KR101372822B1 - Apparatus for cooling superconductivity wind-turbine and method for cooling thereof - Google Patents

Abstract

Provided are an apparatus and a method for cooling a superconducting wind turbine, the apparatus comprising: a rotor including a superconductor coil for generating a magnetic field; a refrigerant container receiving a refrigerant for changing the temperature of the coil; a refrigerator for keeping the current temperature of the refrigerant; a control unit for controlling the superconductor coil to generate a magnetic field, controlling an operation of the refrigerator according to generation of the magnetic field, and storing a range of distribution of a reference magnetic field strength; a magnetic field measuring unit for measuring distribution of the current magnetic field strength when the superconductor coil generates a magnetic field according to a control of the control unit; a determining unit for determining whether the distribution of the current magnetic field strength which is measured by the magnetic field measuring unit is out of the distribution range of the reference magnetic field strength according to a control of the control unit; and a refrigerant temperature control unit for controlling the current temperature state of the refrigerant to be lain within a range of reference refrigerant temperatures corresponding to the distribution range of the reference magnetic field strength if the distribution of the current magnetic field strength which is determined by the determination unit is out of the distribution range of the reference magnetic field strength. [Reference numerals] (102) Rotor; (102a) Superconductor coil; (104) Refrigerant container; (106) Refrigerator; (108) Control unit; (109) Magnetic field measuring unit; (110) Determining unit; (112) Refrigerant temperature control unit

Description

Apparatus for cooling superconductivity wind-turbine and method for cooling

The present invention relates to a superconducting wind turbine cooling device and a cooling method thereof.

In general, a conventional superconducting coil maintains a superconducting state when a normal current flows, and becomes a quench state in which a transition is made to a phase conducting state when an accident current flows. It became.

In the conventional superconducting wind turbine cooling apparatus using the superconducting coil and its cooling method, since the temperature change of the refrigerant is measured using a temperature sensor, it is necessary to recognize the temperature change of the refrigerant, so that the temperature of the refrigerant with respect to the temperature change of the refrigerant is required. There is a limit to keep the fast, there was a limit to keep the superconducting coil quickly in a superconducting state.

Therefore, recently, the temperature of the refrigerant is rapidly maintained to quickly maintain the superconducting coil in the superconducting state, and the temperature change of the refrigerant is quickly predicted to quickly compensate the temperature of the refrigerant for the temperature change of the refrigerant, thereby quickly making the superconducting coil into the superconducting state. Research on superconducting wind turbine cooling devices and improved cooling methods using improved superconducting coils that can maintain and provide convenience in operation has been continuously conducted.

An object of the present invention is to provide a superconducting wind turbine cooling apparatus and a cooling method thereof capable of rapidly maintaining a temperature of a refrigerant so as to quickly maintain a superconducting coil in a superconducting state.

Another object of the present invention is to provide a superconducting wind turbine cooling device and a cooling method thereof capable of rapidly maintaining a superconducting coil in a superconducting state by rapidly predicting a temperature change of the refrigerant and rapidly compensating the temperature of the refrigerant with respect to the temperature change of the refrigerant. To provide.

Still another object of the present invention is to provide a superconducting wind turbine cooling apparatus and a cooling method thereof, which can recognize a process of compensating the temperature of a refrigerant against a change in temperature of the refrigerant, thereby providing convenience in operation.

Still another object of the present invention is to provide a superconducting wind turbine cooling device and a cooling method thereof, which can recognize that the current temperature state of the refrigerant is controlled and can provide convenience in operation.

In order to achieve this object, the present invention includes a rotor including a superconducting coil to generate a magnetic field; A refrigerant container accommodating the refrigerant to change the temperature of the superconducting coil; A refrigerator for maintaining a current temperature state of the refrigerant; A control unit for generating a magnetic field of the superconducting coil, controlling the operation of the refrigerator according to the generation of the magnetic field, and including a distribution range of the already set magnetic field strength; A magnetic field measuring unit for measuring a distribution of current magnetic field strength when generating a magnetic field of the superconducting coil under the control of the controller; A determination unit that determines whether the current distribution of the magnetic field strength measured by the magnetic field measuring unit is outside the distribution range of the reference magnetic field intensity according to the control of the controller; And when the current distribution of the magnetic field strength determined by the determination unit is out of the distribution range of the reference magnetic field strength, the current temperature state of the refrigerant according to the control of the controller to adjust the temperature of the reference refrigerant temperature corresponding to the distribution range of the reference magnetic field strength. Refrigerant temperature control unit for controlling.

According to another feature of the invention, the control unit includes a reference current density range corresponding to the distribution range of the reference magnetic field strength, at least one reference range of the reference magnetic field range and the reference temperature range.

According to another feature of the invention, the magnetic field measuring unit is characterized in that for measuring at least one of the critical current density, the critical magnetic field and the threshold temperature corresponding to the distribution of the current magnetic field strength.

According to another feature of the invention, the magnetic field measuring unit is characterized by measuring the current distribution of the magnetic field strength in a magnetic resonance method using at least one of the Hall sensor and the fluxgate (fluxgate).

According to another feature of the present invention, if the distribution of the current magnetic field strength determined by the determination unit is out of the distribution range of the reference magnetic field strength, further includes a first identification unit for identifying that the distribution of the current magnetic field strength is an abnormal situation.

According to another feature of the present invention, when the current temperature state of the refrigerant is adjusted through the refrigerant temperature control unit, further comprising a second identification unit for identifying that the current temperature state of the refrigerant under the control of the control unit is completed.

In addition, the present invention uses a rotor including a superconducting coil to generate a magnetic field, a refrigerant container accommodating a refrigerant to change the temperature of the superconducting coil, and a refrigerator to maintain a current temperature state of the refrigerant, A magnetic field measuring step of measuring a distribution of current magnetic field strength by a magnetic field measuring unit when generating a magnetic field of a superconducting coil under control; A determination step of determining, by the control unit, whether the current distribution of the magnetic field strength measured by the magnetic field measurement unit is out of the distribution range of the reference magnetic field strength set in the control unit; And when the current distribution of the magnetic field strength determined by the determination unit is out of the distribution range of the reference magnetic field strength, the current temperature state of the refrigerant according to the control of the controller to adjust the temperature of the reference refrigerant temperature corresponding to the distribution range of the reference magnetic field strength. Refrigerant temperature control step comprises a refrigerant temperature control step.

According to another feature of the present invention, after the determining step, if the current magnetic field intensity distribution determined by the determination unit is out of the distribution range of the reference magnetic field strength, the first identification unit identifies that the current magnetic field intensity distribution is abnormal. Further performing a first identification step.

According to another feature of the present invention, after the refrigerant temperature adjusting step, when the current temperature state of the refrigerant is adjusted through the refrigerant temperature control unit, the second identification that the current temperature state of the refrigerant is adjusted under control of the controller; Further performing a second identification step of identifying in the department.

According to the superconducting wind turbine cooling device and the cooling method of the present invention made as described above, the following effects can be obtained.

First, there is an effect that can quickly maintain the temperature of the refrigerant to quickly maintain the superconducting coil in the superconducting state.

Second, there is another effect that can quickly maintain the superconducting coil in the superconducting state by quickly predicting the temperature change of the refrigerant to quickly compensate the temperature of the refrigerant against the temperature change of the refrigerant.

Third, it is possible to recognize the process of compensating the temperature of the refrigerant against the temperature change of the refrigerant has another effect that can provide convenience in operation.

Fourth, it is possible to recognize that the current temperature state of the coolant is a state that the control is completed, there is another effect that can provide convenience in operation.

1 is a block diagram showing a superconducting wind turbine cooling device according to a first embodiment of the present invention.
FIG. 2 is a view illustrating a process of measuring a magnetic field in a magnetic resonance method in the magnetic field measuring unit shown in FIG. 1.
Figure 3 is a flow chart showing a superconducting wind turbine cooling method according to a first embodiment of the present invention.
Figure 4 is a flow chart showing an example of a superconducting wind turbine cooling method according to a first embodiment of the present invention.
Figure 5 is a block diagram showing a superconducting wind turbine cooling apparatus according to a second embodiment of the present invention.
6 is a flow chart showing a superconducting wind turbine cooling method according to a second embodiment of the present invention.
7 is a flowchart illustrating a superconducting wind turbine cooling method according to a second embodiment of the present invention as an example.
8 is a block diagram showing a superconducting wind turbine cooling device according to a third embodiment of the present invention.
9 is a flow chart showing a superconducting wind turbine cooling method according to a third embodiment of the present invention.
10 is a flowchart illustrating a superconducting wind turbine cooling method according to a third embodiment of the present invention as an example.
11 is a block diagram showing a superconducting wind turbine cooling device according to a fourth embodiment of the present invention.
12 is a flow chart showing a superconducting wind turbine cooling method according to a fourth embodiment of the present invention.
13 is a flow chart showing an example of a superconducting wind turbine cooling method according to a fourth embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

≪ Embodiment 1 >

1 is a block diagram showing a superconducting wind turbine cooling apparatus according to a first embodiment of the present invention, Figure 2 is a view showing a process of measuring a magnetic field in the magnetic resonance method in the magnetic field measuring unit shown in FIG. to be.

1 and 2, the superconducting wind turbine cooling device 100 according to the first embodiment of the present invention includes a rotor 102, a refrigerant container 104, a refrigerator 106, a controller 108, and a magnetic field. The measurement unit 109 and the determination unit 110 and the refrigerant temperature control unit 112 are included.

The rotor 102 includes a superconducting coil 102a to generate a magnetic field, and the coolant vessel 104 accommodates the coolant to change the temperature of the superconducting coil 102a.

Refrigerator 106 is provided to maintain the current temperature state of the refrigerant.

The controller 108 controls to generate the magnetic field of the superconducting coil 102a, controls the operation of the refrigerator 106 according to the generation of the magnetic field, and is provided to include a distribution range of the reference magnetic field strength already set.

In this case, the controller 108 may include a reference current density range, a reference magnetic field range, and a reference temperature range corresponding to the distribution range of the reference magnetic field strength.

The magnetic field measuring unit 109 is provided to measure the distribution of the current magnetic field B intensity when generating the magnetic field of the superconducting coil 102a under the control of the control unit 108.

Here, the magnetic field measuring unit 109 may be provided to measure at least one of a critical current density, a critical magnetic field, and a critical temperature corresponding to the distribution of the current magnetic field B intensity.

In this case, although the magnetic field measuring unit 109 does not show the current distribution of the magnetic field strength, the magnetic field measuring unit 109 may be provided to measure in a magnetic resonance method using at least one of a hall sensor (not shown) and a fluxgate (not shown). have.

For example, as shown in FIG. 2, the magnetic field measuring unit 109 forms an induction magnetic field by a shielding current in an external magnetic field in a magnetic resonance manner, and provides a magnetic field B distribution near the superconducting coil 102a. Can be.

The determination unit 110 measured by the magnetic field measurement unit 109 The control of the controller 108 is provided to determine whether the current distribution of the magnetic field B intensity is outside the distribution range of the reference magnetic field intensity.

The coolant temperature controller 112 may be configured as a range of the reference coolant temperature corresponding to the distribution range of the reference magnetic field strength when the distribution of the current magnetic field B intensity determined by the determination unit 110 is out of the distribution range of the reference magnetic field strength. It is provided to adjust the current temperature state of the refrigerant under the control of the control unit 108 to be matched.

The superconducting wind turbine cooling method for cooling the superconducting wind turbine using the superconducting wind turbine cooling device 100 according to the first embodiment of the present invention will be described with reference to FIGS. 3 and 4.

3 is a flowchart illustrating a method of cooling a superconducting wind turbine according to a first embodiment of the present invention, and FIG. 4 is a flowchart illustrating a method of cooling a superconducting wind turbine according to a first embodiment of the present invention.

3 and 4, the superconducting wind turbine cooling method 300 or 400 according to the first embodiment of the present invention includes the magnetic field measuring steps S302 and S402, the determining steps S304 and S404, and a refrigerant temperature adjusting step. (S306).

First, the magnetic field measuring step (S302) is a refrigerant to change the temperature of the rotor (102 in FIG. 1) and the superconducting coil (102a in FIG. 1) including the superconducting coil (102a in FIG. 1) to generate a magnetic field. A refrigerant container (104 in FIG. 1) and a refrigerator (106 in FIG. 1) for maintaining a current temperature state of the refrigerant are used, but the superconducting coil (102a in FIG. 1) is controlled by the control unit (108 in FIG. 1). The magnetic field measuring unit (109 of FIG. 1) measures the distribution of the current magnetic field (B of FIG. 2) intensity when generating a magnetic field of FIG.

For example, as shown in FIG. 4, the magnetic field measuring step S402 may include a critical current density and a critical magnetic field and threshold corresponding to a distribution of a current magnetic field (B in FIG. 2) intensity in the magnetic field measuring unit (109 of FIG. 1). Measuring at least one of the temperatures may be performed.

Subsequently, in the determination step S304, the current magnetic field intensity distribution (B of FIG. 2) measured by the magnetic field measuring unit 109 of FIG. The determination unit (110 of FIG. 1) is performed according to the control of the controller 108 of FIG.

For example, as shown in FIG. 4, the determining step S404 may include a critical current density and a critical magnetic field corresponding to a distribution of the intensity of the current magnetic field (B of FIG. 2) measured by the magnetic field measuring unit 109 of FIG. 1. The determination unit (FIG. 1) determines whether at least one of the critical temperatures deviates from the reference current density range corresponding to the distribution range of the reference magnetic field intensity and at least one of the reference magnetic field range and the reference temperature range (FIG. 1). The determination in step 110 of 1 may be performed.

Finally, the refrigerant temperature control step (S306) is a distribution range of the reference magnetic field strength when the distribution of the current magnetic field (B in FIG. 2) intensity determined by the determination unit (110 of FIG. 1) is out of the distribution range of the reference magnetic field strength. According to the control of the controller (108 of FIG. 1) to adjust the current temperature state of the refrigerant in the refrigerant temperature adjusting unit 112 of FIG.

As described above, the superconducting wind turbine cooling apparatus 100 and the cooling methods 300 and 400 thereof according to the first embodiment of the present invention include the rotor 102, the refrigerant container 104, the refrigerator 106, and the controller 108. And the magnetic field measuring unit 109, the determining unit 110, and the refrigerant temperature adjusting unit 112, the magnetic field measuring steps S302 and S402, the determining steps S304 and S404, and the refrigerant temperature adjusting step S306. To perform.

Accordingly, the superconducting wind turbine cooling device 100 and the cooling methods 300 and 400 thereof according to the first embodiment of the present invention can quickly maintain the temperature of the refrigerant to quickly maintain the superconducting coil 102a in a superconducting state. Will be.

In addition, the superconducting wind turbine cooling apparatus 100 and the cooling methods 300 and 400 according to the first embodiment of the present invention quickly predict the temperature change of the refrigerant, thereby rapidly compensating the temperature of the refrigerant against the temperature change of the refrigerant. The superconducting coil 102a can be quickly maintained in the superconducting state.

≪ Embodiment 2 >

5 is a block diagram showing a superconducting wind turbine cooling device according to a second embodiment of the present invention.

Referring to FIG. 5, the superconducting wind turbine cooling device 500 according to the second embodiment of the present invention is the same as the superconducting wind turbine cooling device 100 according to the first embodiment of the rotor 102 and the refrigerant container ( 104, the refrigerator 106, the controller 108, the magnetic field measuring unit 109, the determining unit 110, and the refrigerant temperature adjusting unit 112.

Such a function for each of the components corresponding to the superconducting wind turbine cooling device 500 according to the second embodiment of the present invention and the organic connection relationship therebetween are described in the superconducting wind turbine cooling device according to the first embodiment. Since the functions of the respective elements corresponding to 100) and the organic connection relationships therebetween are the same, the descriptions thereof will be omitted below.

Here, the superconducting wind turbine cooling device 500 according to the second embodiment of the present invention further includes a first identification unit 514.

That is, when the distribution of the current magnetic field (B in FIG. 2) intensity determined by the determination unit 110 is out of the distribution range of the reference magnetic field intensity, the first identification unit 514 may increase the current magnetic field (B in FIG. 2). It is provided to identify that the distribution of is an abnormal situation.

At this time, the first identification unit 514, although not shown, at least one of a speaker (not shown) and a light emitting member (not shown) provided to identify that the distribution of the current magnetic field (B in FIG. 2) intensity is an abnormal situation. Including at least one of the voice operation of the speaker (not shown) and the light emission operation of the light emitting member (not shown), it is possible to identify that the distribution of the current magnetic field (B in FIG. 2) is abnormal. It is possible to use any identification means (not shown) for identifying that the distribution of the intensity of the current magnetic field (B in Fig. 2) is an abnormal situation without any change.

The superconducting wind turbine cooling method for cooling the superconducting wind turbine using the superconducting wind turbine cooling device 500 according to the second embodiment of the present invention will be described with reference to FIGS. 6 and 7.

6 is a flowchart showing a superconducting wind turbine cooling method according to a second embodiment of the present invention, Figure 7 is a flow chart showing a superconducting wind turbine cooling method according to a second embodiment of the present invention as an example.

6 and 7, the superconducting wind turbine cooling methods 600 and 700 according to the second embodiment of the present invention measure magnetic fields in the same manner as the superconducting wind turbine cooling methods 300 and 400 according to the first embodiment. Steps S302 and S402, determination steps S304 and S404, and a refrigerant temperature adjusting step S306 are included.

The function of the respective steps corresponding to the superconducting wind turbine cooling methods 600 and 700 of the superconducting wind turbine cooling device (500 of FIG. 5) according to the second embodiment of the present invention and the organic connection relationship therebetween Since the functions of the respective steps corresponding to the superconducting wind turbine cooling method (300, 400) of the superconducting wind turbine cooling device (100 of FIG. 1) according to the first embodiment and the organic connection relationship between them, Each description of this will be omitted below.

Here, the superconducting wind turbine cooling methods 600 and 700 of the superconducting wind turbine cooling device 500 of FIG. 5 according to the second exemplary embodiment of the present invention may be performed after the determination steps S304 and S404. S605 and S705 are further performed.

For example, the superconducting wind turbine cooling methods 600 and 700 of the superconducting wind turbine cooling device 500 of FIG. 5 according to the second embodiment of the present invention are performed after the determination steps S304 and S404 and the refrigerant temperature adjusting step S306. ), First identification steps S605 and S705 are further performed.

That is, in the first identification step S605, when the distribution of the current magnetic field intensity (B of FIG. 2) determined by the determination unit 110 of FIG. 5 is out of the distribution range of the reference magnetic field intensity, the current magnetic field (FIG. B) a step of identifying by the first identification unit 514 of FIG. 5 that the distribution of intensity is an abnormal situation is performed.

In addition, the first identification step S705 is performed when the current magnetic field intensity (B of FIG. 2) determined by the determination unit 110 of FIG. 5 is out of the distribution range of the reference magnetic field intensity. B) a step of identifying by the first identification unit 514 of FIG. 5 that at least one of the critical current density, the critical magnetic field, and the critical temperature corresponding to the distribution of the intensity is an abnormal situation is performed.

As described above, the superconducting wind turbine cooling device 500 and the cooling methods 600 and 700 thereof according to the second embodiment of the present invention include the rotor 102, the refrigerant container 104, the refrigerator 106, and the controller 108. And the magnetic field measuring unit (S302, S402) and the determination step (S304, S404), including the magnetic field measuring unit 109, the determining unit 110, the refrigerant temperature adjusting unit 112, and the first identification unit 514. The first identification steps S605 and S705 and the refrigerant temperature adjusting step S306 are performed.

Accordingly, the superconducting wind turbine cooling device 500 and the cooling methods 600 and 700 thereof according to the second embodiment of the present invention can quickly maintain the temperature of the refrigerant to quickly maintain the superconducting coil 102a in the superconducting state. Will be.

In addition, the superconducting wind turbine cooling apparatus 500 and its cooling method 600 and 700 according to the second embodiment of the present invention rapidly predict the temperature change of the refrigerant, thereby rapidly compensating the temperature of the refrigerant against the temperature change of the refrigerant. The superconducting coil 102a can be quickly maintained in the superconducting state.

In addition, in the superconducting wind turbine cooling device 500 and the cooling method 600 and 700 according to the second embodiment of the present invention, the distribution of the current magnetic field (B in FIG. 2) intensity is out of the distribution range of the reference magnetic field strength. In this case, since the distribution of the current magnetic field intensity (B of FIG. 2) is an abnormal situation, the process of compensating the temperature of the refrigerant with respect to the temperature change of the refrigerant can be recognized, thereby providing convenience in operation. .

≪ Third Embodiment >

8 is a block diagram showing a superconducting wind turbine cooling device according to a third embodiment of the present invention.

Referring to FIG. 8, the superconducting wind turbine cooling device 800 according to the third embodiment of the present invention may have the rotor 102 and the refrigerant container in the same manner as the superconducting wind turbine cooling device 100 according to the first embodiment. 104, the refrigerator 106, the controller 108, the magnetic field measuring unit 109, the determining unit 110, and the refrigerant temperature adjusting unit 112.

Such a function of each component corresponding to the superconducting wind turbine cooling device 800 according to the third embodiment of the present invention and the organic connection relationship therebetween are described in the superconducting wind turbine cooling device according to the first embodiment. Since the functions of the respective elements corresponding to 100) and the organic connection relationships therebetween are the same, the descriptions thereof will be omitted below.

Here, the superconducting wind turbine cooling device 800 according to the third embodiment of the present invention further includes a second identification unit 816.

That is, when the current temperature state of the refrigerant is adjusted through the refrigerant temperature controller 112, the second identification unit 816 identifies that the current temperature state of the refrigerant is controlled under the control of the controller 108. Is provided.

In this case, although not shown, the second identification unit 816 includes at least one of a speaker (not shown) and a light emitting member (not shown) provided to identify that the current temperature state of the refrigerant is adjusted. At least one of the voice operation of the time and the light emitting operation of the light emitting member (not shown) can identify that the current temperature state of the refrigerant has been adjusted, and the present invention is not limited thereto. Any identification means (not shown) for identification is possible.

The superconducting wind turbine cooling method for cooling the superconducting wind turbine using the superconducting wind turbine cooling device 800 according to the third embodiment of the present invention will be described with reference to FIGS. 9 and 10.

9 is a flowchart illustrating a method of cooling a superconducting wind turbine according to a third embodiment of the present invention, and FIG. 10 is a flowchart illustrating a method of cooling a superconducting wind turbine according to a third embodiment of the present invention.

9 and 10, the superconducting wind turbine cooling methods 900 and 1000 according to the third embodiment of the present invention measure magnetic fields in the same manner as the superconducting wind turbine cooling methods 300 and 400 according to the first embodiment. Steps S302 and S402, determination steps S304 and S404, and a refrigerant temperature adjusting step S306 are included.

The function of each step corresponding to the superconducting wind turbine cooling method (900, 1000) of the superconducting wind turbine cooling device (800 of FIG. 8) according to the third embodiment of the present invention and the organic connection relationship between them Since the functions of the respective steps corresponding to the superconducting wind turbine cooling method (300, 400) of the superconducting wind turbine cooling device (100 of FIG. 1) according to the first embodiment and the organic connection relationship between them, Each description of this will be omitted below.

Here, the superconducting wind turbine cooling method (900, 1000) of the superconducting wind turbine cooling device (800 of FIG. 8) according to the third embodiment of the present invention after the refrigerant temperature control step (S306), the second identification step ( S908, S1008) is further performed.

That is, the second identification step (S908, S1008) is the current temperature of the refrigerant under the control of the controller (108 of FIG. 8) when the current temperature of the refrigerant is adjusted through the refrigerant temperature adjusting unit (112 of FIG. 8). A step of identifying by the second identification unit 816 of FIG. 8 that the state has been adjusted is performed.

As described above, the superconducting wind turbine cooling device 800 and the cooling method 900 and 1000 thereof according to the third embodiment of the present invention include the rotor 102, the refrigerant container 104, the refrigerator 106, and the controller 108. ) And the magnetic field measuring unit (S302, S402) and the determination step (S304, S404), including the magnetic field measuring unit 109, the determining unit 110, the refrigerant temperature adjusting unit 112, and the second identification unit 816. The refrigerant temperature adjusting step S306 and the second identifying steps S908 and S1008 are performed.

Therefore, the superconducting wind turbine cooling device 800 and the cooling methods 900 and 1000 thereof according to the third embodiment of the present invention can quickly maintain the temperature of the refrigerant to quickly maintain the superconducting coil 102a in the superconducting state. Will be.

In addition, the superconducting wind turbine cooling device 800 and the cooling method 900 and 1000 thereof according to the third embodiment of the present invention quickly predict the temperature change of the refrigerant to quickly compensate the temperature of the refrigerant against the temperature change of the refrigerant. The superconducting coil 102a can be quickly maintained in the superconducting state.

Furthermore, the superconducting wind turbine cooling device 800 and the cooling methods 900 and 1000 thereof according to the third embodiment of the present invention identify that the present temperature state of the refrigerant is adjusted when the present temperature state of the refrigerant is completed. Since it can be made, it can be recognized that the current temperature state of the refrigerant is adjusted, it is possible to provide convenience in operation.

<Fourth Embodiment>

11 is a block diagram illustrating a superconducting wind turbine cooling device according to a fourth embodiment of the present invention.

Referring to FIG. 11, the superconducting wind turbine cooling device 1100 according to the fourth embodiment of the present invention is the same as the rotor 102 and the coolant vessel (the superconducting wind turbine cooling device 100 according to the first embodiment). 104, the refrigerator 106, the controller 108, the magnetic field measuring unit 109, the determining unit 110, and the refrigerant temperature adjusting unit 112.

Such a function of each component corresponding to the superconducting wind turbine cooling device 1100 according to the fourth embodiment of the present invention and the organic connection relationship therebetween are described in the superconducting wind turbine cooling device according to the first embodiment. Since the functions of the respective elements corresponding to 100) and the organic connection relationships therebetween are the same, the descriptions thereof will be omitted below.

Here, the superconducting wind turbine cooling device 1100 according to the fourth embodiment of the present invention further includes a first identification unit 1114 and a second identification unit 1116.

That is, when the distribution of the current magnetic field (B in FIG. 2) intensity determined by the determination unit 110 is out of the distribution range of the reference magnetic field strength, the first identification unit 1114 may determine the current magnetic field (B in FIG. 2). It is provided to identify that the distribution of is an abnormal situation.

At this time, the first identification unit 514, although not shown, at least one of a speaker (not shown) and a light emitting member (not shown) provided to identify that the distribution of the current magnetic field (B in FIG. 2) intensity is an abnormal situation. Including at least one of the voice operation of the speaker (not shown) and the light emission operation of the light emitting member (not shown), it is possible to identify that the distribution of the current magnetic field (B in FIG. 2) is abnormal. It is possible to use any identification means (not shown) for identifying that the distribution of the intensity of the current magnetic field (B in Fig. 2) is an abnormal situation without any change.

In addition, when the current temperature state of the refrigerant is adjusted through the refrigerant temperature control unit 112, the second identification unit 1116 identifies that the current temperature state of the refrigerant is controlled under the control of the controller 108. Is provided.

In this case, although not shown, the second identification unit 1116 may include a speaker (not shown) including at least one of a speaker (not shown) and a light emitting member (not shown) provided to identify that the current temperature state of the refrigerant has been adjusted. At least one of the voice operation of the time and the light emitting operation of the light emitting member (not shown) can identify that the current temperature state of the refrigerant has been adjusted, and the present invention is not limited thereto. Any identification means (not shown) for identification is possible.

The superconducting wind turbine cooling method for cooling the superconducting wind turbine using the superconducting wind turbine cooling device 1100 according to the fourth embodiment of the present invention will be described with reference to FIGS. 12 and 13.

12 is a flowchart illustrating a method of cooling a superconducting wind turbine according to a fourth embodiment of the present invention, and FIG. 13 is a flowchart illustrating a method of cooling a superconducting wind turbine according to a fourth embodiment of the present invention.

12 and 13, the superconducting wind turbine cooling methods 1200 and 1300 according to the fourth embodiment of the present invention measure magnetic fields in the same manner as the superconducting wind turbine cooling methods 300 and 400 according to the first embodiment. Steps S302 and S402, determination steps S304 and S404, and a refrigerant temperature adjusting step S306 are included.

The functions of the respective steps corresponding to the superconducting wind turbine cooling methods 1200 and 1300 of the superconducting wind turbine cooling device 1100 of FIG. 11 and the organic connection relationship therebetween. Since the functions of the respective steps corresponding to the superconducting wind turbine cooling method (300, 400) of the superconducting wind turbine cooling device (100 of FIG. 1) according to the first embodiment and the organic connection relationship between them, Each description of this will be omitted below.

Here, the superconducting wind turbine cooling methods 1200 and 1300 of the superconducting wind turbine cooling device 1100 of FIG. 11 according to the fourth embodiment of the present invention may be performed after the determination steps S304 and S404. S1205, S1305) is further performed.

For example, the superconducting wind turbine cooling methods 1200 and 1300 of the superconducting wind turbine cooling device 1100 of FIG. 11 according to the fourth exemplary embodiment of the present invention are performed after the determination steps S304 and S404 and the refrigerant temperature adjusting step S306. ), First identification steps S1205 and S1305 are further performed.

That is, in the first identification step S1205, when the distribution of the intensity of the current magnetic field (B of FIG. 2) determined by the determination unit 110 of FIG. 11 is out of the distribution range of the reference magnetic field intensity, the current magnetic field (of FIG. B) A step of identifying by the first identification unit 1114 of FIG. 11 that the distribution of the intensity is an abnormal situation is performed.

In addition, in the first identification step S1305, when the distribution of the current magnetic field intensity (B of FIG. 2) determined by the determination unit 110 of FIG. 11 is outside the distribution range of the reference magnetic field intensity, the current magnetic field (refer to FIG. 2). B) a step of identifying by the first identification unit 1114 of FIG. 11 that at least one of the critical current density, the critical magnetic field, and the critical temperature corresponding to the distribution of the intensity is an abnormal situation is performed.

In addition, the superconducting wind turbine cooling methods 1200 and 1300 of the superconducting wind turbine cooling device 1100 of FIG. 11 according to the fourth embodiment of the present invention may include a second identification step after the refrigerant temperature adjusting step S306. (S1208, S1308) are further performed.

That is, in the second identification steps S1208 and S1308, when the current temperature state of the coolant is completed through the coolant temperature control unit 112 of FIG. 11, the current temperature of the coolant under control of the control unit 108 of FIG. 11. A step of identifying by the second identification unit 1116 of FIG. 11 that the state has been adjusted is performed.

As described above, the superconducting wind turbine cooling device 1100 and the cooling methods 1200 and 1300 thereof according to the fourth embodiment of the present invention include the rotor 102, the refrigerant container 104, the refrigerator 106, and the controller 108. ) And the magnetic field measuring unit (S302, S402) including the magnetic field measuring unit 109, the determining unit 110, the refrigerant temperature adjusting unit 112, the first identification unit 1114, and the second identification unit 1116. The determination steps S304 and S404, the first identification steps S1205 and S1305, the refrigerant temperature adjusting step S306, and the second identification steps S1208 and S1308 are performed.

Therefore, the superconducting wind turbine cooling device 1100 and the cooling methods 1200 and 1300 thereof according to the fourth embodiment of the present invention can quickly maintain the temperature of the refrigerant to quickly maintain the superconducting coil 102a in the superconducting state. Will be.

In addition, the superconducting wind turbine cooling apparatus 1100 and the cooling methods 1200 and 1300 thereof according to the fourth embodiment of the present invention quickly predict the temperature change of the refrigerant to quickly compensate the temperature of the refrigerant with respect to the temperature change of the refrigerant. The superconducting coil 102a can be quickly maintained in the superconducting state.

In addition, in the superconducting wind turbine cooling device 1100 and the cooling methods 1200 and 1300 according to the fourth embodiment of the present invention, the distribution of the current magnetic field intensity (B in FIG. 2) is outside the distribution range of the reference magnetic field intensity. In this case, since the distribution of the current magnetic field intensity (B of FIG. 2) is an abnormal situation, the process of compensating the temperature of the refrigerant with respect to the temperature change of the refrigerant can be recognized, thereby providing convenience in operation. .

Furthermore, the superconducting wind turbine cooling device 1100 and the cooling methods 1200 and 1300 according to the fourth embodiment of the present invention identify that the current temperature state of the refrigerant is adjusted when the current temperature state of the refrigerant is completed. Since it can be made, it can be recognized that the current temperature state of the refrigerant is adjusted, it is possible to provide convenience in operation.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

Claims (9)

A rotor comprising a superconducting coil to generate a magnetic field;
A refrigerant container accommodating a refrigerant to change a temperature of the superconducting coil;
A refrigerator for maintaining a current temperature state of the refrigerant;
A control unit for generating a magnetic field of the superconducting coil, controlling the operation of the refrigerator according to the generation of the magnetic field, and including a distribution range of a reference magnetic field strength already set;
A magnetic field measuring unit measuring a distribution of current magnetic field strength when generating a magnetic field of the superconducting coil under the control of the controller;
A determination unit that determines whether the current magnetic field intensity distribution measured by the magnetic field measuring unit is out of the distribution range of the reference magnetic field intensity according to the control of the controller;
A first identification unit for identifying that the distribution of the current magnetic field strength is abnormal when the distribution of the current magnetic field strength determined by the determination unit is out of the distribution range of the reference magnetic field strength; And
When the current distribution of the magnetic field strength determined by the determination unit is out of the distribution range of the reference magnetic field strength, the refrigerant may be adjusted according to the control of the controller so as to be adjusted to a range of the reference refrigerant temperature corresponding to the distribution range of the reference magnetic field strength. Superconducting wind turbine cooling device comprising a refrigerant temperature control unit for controlling the current temperature conditions.
The method of claim 1,
The control unit,
And a reference current density range corresponding to the distribution range of the reference magnetic field strength, and at least one reference range of the reference magnetic field range and the reference temperature range.
The method of claim 1,
The magnetic field measuring unit,
And measuring at least one of a critical current density, a critical magnetic field, and a critical temperature corresponding to the current magnetic field intensity distribution.
The method of claim 1,
The magnetic field measuring unit,
The superconducting wind turbine cooling apparatus of claim 1, wherein the distribution of the current magnetic field strength is measured by using a magnetic resonance method using at least one of a hall sensor and a fluxgate.
delete The method of claim 1,
And a second identification unit for identifying that the current temperature state of the refrigerant is adjusted under the control of the controller when the current temperature state of the refrigerant is adjusted through the refrigerant temperature adjusting unit.
A rotor including a superconducting coil to generate a magnetic field, a refrigerant container accommodating a refrigerant to change the temperature of the superconducting coil, and a refrigerator to maintain a current temperature state of the refrigerant, under control of a controller A magnetic field measuring step of measuring a distribution of current magnetic field strength by a magnetic field measuring unit when generating a magnetic field of the superconducting coil;
A determination step of determining, by the control unit, whether the current distribution of the magnetic field strength measured by the magnetic field measurement unit is outside the distribution range of the reference magnetic field strength set in the control unit;
A first identification step of identifying, by the determination unit, that the current magnetic field strength distribution is abnormal when the distribution of the current magnetic field strength determined by the determination unit is out of the distribution range of the reference magnetic field strength; And
When the current distribution of the magnetic field strength determined by the determination unit is out of the distribution range of the reference magnetic field strength, the refrigerant may be adjusted according to the control of the controller so as to be adjusted to a range of the reference refrigerant temperature corresponding to the distribution range of the reference magnetic field strength. A superconducting wind turbine cooling method comprising the step of controlling a temperature of a coolant in a coolant temperature controller.
delete 8. The method of claim 7,
After the refrigerant temperature control step,
When the current temperature state of the coolant is adjusted through the coolant temperature controller, performing a second identification step of identifying by the second identification unit that the current temperature state of the coolant is controlled under control of the controller; Superconducting wind turbine cooling method.

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