JP3877955B2 - Operation evaluation device for variable control system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an operation evaluation apparatus for a variable control system that changes a control output in accordance with a load, and more particularly, a variable flow rate control system that supplies and supplies cold / hot water according to a change in a cooling / heating load state of a building and an amount of air flow The present invention relates to an operation evaluation apparatus for a variable control system that evaluates the introduction effect of a control system based on actual operation data.
[0002]
[Prior art]
Typical variable control systems employed in building air-conditioning heat source facilities include a variable flow rate control system and a variable air flow rate control system driven by an inverter. An inverter is a device that controls the rotational speed of a motor by changing the frequency. In an air-conditioning heat source facility, variable control of the flow rate and air volume is achieved by electrically connecting it to a rotating device such as a pump or fan. It is carried out. In general, the power consumed by rotating equipment such as pumps and fans increases and decreases in proportion to the cube of the rotational speed. Therefore, as the required rotational speed of the equipment decreases, the equipment load factor (actual operation relative to the rated operating output) The smaller the output ratio), the greater the energy saving effect of the variable control system using the inverter.
[0003]
The investment recovery years are usually used as an indicator of the cost-effectiveness of variable control systems studied at the design stage when building or renovating a building. However, the cost-saving effect or energy-saving effect of introducing a variable control system is objective. In order to verify quantitatively, it is indispensable to continuously monitor and measure facility operation data after system introduction, particularly air conditioning load data and energy consumption data.
[0004]
The air conditioning load data can be obtained by measuring the water supply temperature, return water temperature, and flow rate of cold / hot water supplied from a heat source device such as a refrigerator or a heat pump. On the other hand, the energy consumption data can be directly obtained from utility consumption such as electric power, gas, oil or the like, or can be obtained indirectly from other measurement values using a predetermined conversion formula. In operation evaluation apparatuses such as equipment monitoring and control systems introduced in many commercial buildings and factories, these information monitoring functions and display functions are implemented as standard.
[0005]
[Problems to be solved by the invention]
However, the economic evaluation and energy saving evaluation in the operation stage of the conventional variable control system is a format in which actual air conditioning load data and energy consumption are acquired or calculated from the equipment operation data, and the instantaneous value and change with time are evaluated, In other words, only the operation status of existing facilities was used for evaluation. Also, whenever performance comparison data with a control system with a control method different from that of the variable control system is required, equipment operation data within the evaluation target period accumulated in the equipment monitoring and control system is collected and stored offline. The analysis method was generally used. For this reason, the conventional operation evaluation device can operate with a cost-saving effect and energy-saving effect by introducing a variable control system based on a conventional control system other than the variable control system, for example, a constant flow control system or a constant air flow control system. There was a problem that it was difficult to perform quantitative evaluation immediately at the stage and display the comparison result on the screen.
[0006]
The present invention has been made in view of the above circumstances, and is a variable control system capable of evaluating in real time and quantitatively the cost-saving effect and energy-saving effect after introduction of the variable control system while comparing with a conventional control system. An object is to provide an operation evaluation device.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides: air conditioning According to load Rotational speed Variable control Transport of pumps and fans An operation evaluation apparatus for a variable control system that performs operation evaluation of a variable control system equipped with a device, and configures the variable control system Transport Device registration means for registering basic information of the device and registered by the device registration means Transport Using basic equipment information Transport The actual of the equipment or At rated operation Device characteristic setting means for setting the control characteristics of the variable control system based on actual control characteristics and actual operation data. Energy consumption or energy cost or environmental impact emissions Actual operation evaluation value calculation means for calculating During rated operation Variable control system based on the control characteristics and actual operating data Energy consumption or energy cost or environmental impact emissions Virtual operation evaluation value calculation means for calculating the operation, and operation evaluation means for accumulating calculation results by the actual operation evaluation value calculation means and the virtual operation evaluation value calculation means in a predetermined cycle and comparing and evaluating them. .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings.
[0011]
FIG. 1 is a configuration explanatory view showing an operation evaluation apparatus for a variable control system according to the present invention.
[0012]
In FIG. 1, the operation data of the variable control system 11 such as the variable flow rate control system and the variable air flow rate control system (analog input / output data such as temperature, flow rate, pressure, control output, etc., start / stop status, fault status, switching status, etc. Digital input / output data and pulse input data such as electric energy and steam amount) are input to the energy consumption calculation unit 14 via the operation data input unit 13 of the operation evaluation device 12. The energy consumption calculation unit 14 includes two calculation modules, that is, the variable control system energy consumption calculation unit 15 that calculates the energy consumption of electric power, fossil fuel, and the like based on the operation data of the actual variable control system, and the same The virtual control system energy consumption calculating unit 16 is configured to calculate the energy consumption of the virtual control system under operating conditions. Here, the same operation condition means that the start / stop states (ON-OFF states) of the devices constituting the variable control system are the same. Among them, the variable control system energy consumption calculation unit 15 acquires or calculates the energy consumption per unit time at a predetermined cycle based on the energy consumption calculation data selected from the actual operation data. The When the energy consumption data is included in the operation data, the data is acquired as it is as the energy consumption data. When the energy consumption data is not included in the operation data, the device characteristic setting unit 17 is set. The energy consumption data is calculated from the operation data using a conversion formula (address reference formula) in the device characteristic data registered in advance in the device characteristic data storage unit 18. On the other hand, the virtual control system energy consumption calculation unit 16 calculates the energy consumption per unit time under the same operation condition in a preset virtual control system at a predetermined cycle. Information defining the configuration of the virtual control system and the energy input / output conditions is registered in advance in the device characteristic data storage unit 18 through the device registration unit 20 having the device registration data storage unit 19.
[0013]
The energy consumption data for each control system (variable control system and virtual control system) obtained by the energy consumption calculation unit 14 is input to the operation evaluation unit 21 together with the air conditioning load data in the operation data. After data editing / processing and naming are performed on a daily basis, the result is stored in the evaluation data storage unit 22. In addition, the operation evaluation unit 21 uses, for example, a variable control system by using an energy unit price per unit energy consumption so that the operation evaluation of the control system based on an evaluation measure other than the energy consumption can be performed. A cost-saving evaluation with a virtual control system is also implemented, and a function to perform an environmental load evaluation between a variable control system and a virtual control system is also implemented by using the environmental load unit per unit energy consumption. Yes. Here, the energy unit price and the environmental load basic unit are registered in advance in the evaluation basic unit data storage unit 24 for each energy type via the evaluation basic unit setting unit 23.
[0014]
A processing request from the user for the operation evaluation result based on the operation data of the variable control system is input to the operation evaluation device 12 through the human interface 25, and an appropriate response screen for the processing request is presented to the user. As a response screen related to the comparison result between the variable control system and the virtual control system, for example, the energy consumption comparison screen and environmental load emission comparison screen for both periods are implemented, and the status monitoring screen only for the variable control system And an energy consumption summary screen will also be implemented.
[0015]
FIG. 2 is a diagram illustrating an example of device characteristic data stored in the device characteristic data storage unit 18 and an energy consumption calculation method. As shown in FIG. 2, the database implemented in the device characteristic data storage unit 18 includes a device name, a data reference method, a rated energy consumption W per unit time for each device record. ₀ , Constant m, constant a, constant b, and address reference expression fields are defined. The values of these fields are set via the device characteristic setting unit 17.
[0016]
The information in the data reference method field indicates whether or not the energy consumption data of the target device can be directly acquired from the operation data of the variable control system 11, and if the desired data can be directly acquired, refer to the address reference expression field. When the destination address is obtained and the desired data is obtained by calculation of a plurality of data, the calculation formula is registered in the address reference formula field in the form of calculation by the reference destination address of each data. In the example shown in FIG. 2, the energy consumption data of the device whose data reference method is set to the direct reference method (W) is directly read by reading the address value described in the address reference method field at a predetermined cycle. Is required. For the energy consumption data of devices whose data reference method is set to the indirect reference method (R), the address value calculation is first executed in a predetermined cycle in the form of the address reference formula described in the address reference formula field. After calculating the device control output, the device control output and the above-mentioned rated energy consumption W per unit time ₀ , And indirectly using the values set in the fields of the constants m, a, and b. Here, the address reference expression $ Dxxxx represents acquisition of data stored at the address xxxx, and the address reference expression $ Dxxxx * $ Dyyyy is the data stored at the address xxxx. This indicates that the product of data stored at address yyyy is acquired. In this way, the address reference expression is an editable expression that is described by combining the address where the data is stored and the operators such as four arithmetic operations and logical operations. By using this, the desired data and the operation result can be obtained. It becomes possible to acquire easily and freely.
[0017]
Next, a method for calculating the energy consumption of a device whose data reference method is set to the indirect reference method (R) will be described in detail.
[0018]
The characteristics of the devices constituting the variable control system 11 can be simply defined as follows using the device control output rating ratio and the device energy consumption rating ratio.
[0019]
W / W ₀ = A (R / R ₀ ) ^m + B
Here, W is the energy consumption of the device per unit time, W ₀ Is the rated energy consumption of the device per unit time, R is the control output of the device, R ₀ Is the rated control output of the equipment, m is the equipment control output rating ratio W / W ₀ And equipment energy consumption rating ratio R / R ₀ A positive index that governs the shape of the characteristic curve representing the relationship between and a and b are constants. When m = 1, the relationship between the device control output rating ratio and the device energy consumption rating ratio is linear.
[0020]
In the above equation, when the pumps constituting the variable flow rate control system and the fans constituting the variable flow rate control system are controlled by an inverter, if the device control output is a flow rate (pump) or air flow (fan) base value, m = 3 Can be defined as Assuming that the device control output rating ratio and the device energy consumption rating ratio are both 1 at rated operation and 0 at stop, the constant parameters can be set to a = 1 and b = 0, respectively. In addition, a numerical value R indicating the rated performance of the pump or fan ₀ , W ₀ Can be obtained from the device specification or the like, and if these values are known, the energy consumption W can be easily calculated from only the actual device control output value R.
[0021]
Note that it is not necessary to use the constants m, a, and b when calculating the energy consumption data of the device whose data reference method is set to the direct reference method (W). Therefore, as shown in FIG. 2, a NULL value is set in the corresponding field of the device record.
[0022]
FIG. 3 is a diagram illustrating an example of device registration data stored in the device registration data storage unit 19 and device characteristic data converted from the device registration data. As shown in FIG. 3, the database implemented in the device registration data storage unit 19 includes fields of device name, control method, data reference method, and rated energy consumption per unit time as basic information for each device record. Defined. Information indicating whether the control method of the target device is the rated control method (C) or the variable control method (V) is registered in the control method field. Information registered in the device name field, the data reference method field, and the rated energy consumption field per unit time is the same as that of the device characteristic data described above.
[0023]
The device registration data is created for each control system to be compared. The example shown in FIG. 3 is an air-conditioning heat source facility including a cold / hot water primary pump 1, a cold / hot water primary pump 2, a cold / hot water secondary pump 1, a cold / hot water secondary pump 2, a cooling water pump 1, and a cooling water pump 2. On the other hand, the equipment registration data when it is assumed that a control system in which the cold / hot water primary pump and the cooling water pump are set to the rated control system (C) and the cold / hot water secondary pump is the variable control system (V) is constructed. It shows the description contents.
[0024]
New creation / deletion of device registration data and setting of each field value of device registration data are executed via the device registration unit 20. The device registration data is registered as basic device information in the device registration data storage unit 19 through registration processing after field values of all devices and devices are set, and at the same time, corresponds to device registration data. Is converted into device characteristic data. The converted device characteristic data is registered in the device characteristic data storage unit 18. In the conversion process in the example of FIG. 3, the field values of the device name, the data reference method, and the energy consumption per unit time of the device registration data are directly inherited by the field values of the device characteristic data. In addition, since the cold / hot water primary pump and the cooling water pump refer to the data by the direct reference method (W), all the constant fields of the device characteristic data are automatically set to the NULL value during the conversion process. Other fields, that is, constant fields corresponding to devices that refer to data by the indirect referencing method (R) and address reference fields are not set at the time of conversion processing, so the human interface 25 and the device characteristic setting unit The user needs to set a numerical value via 17.
[0025]
FIG. 4 is an explanatory diagram showing a configuration of an operation evaluation apparatus for a variable control system when the variable flow rate control system for cold / hot water for air conditioning is a target.
[0026]
In FIG. 4, 31 is a cold / hot water generator, 32 is a cold / hot water primary pump, 33 is an air conditioner, and 34 is a cold / hot water secondary pump. A plurality of cold / hot water generators 31 are provided in parallel, and a cold / hot water primary pump 32 is provided for each of them. Reference numerals 35 and 36 denote a forward header and a secondary header, respectively, for mixing cold water or hot water from the cold / hot water generator 31, and 37 is a return header for mixing cold water or hot water returning to the cold / hot water generator 31. The bypass pipe 38 is provided so as to connect the forward primary header 35 and the return water pipe 46, or the forward primary header 35 and the return header 37. The piping system is divided into a primary side where a heat source device such as a cold / hot water generator 31 is disposed and a secondary side where a load device such as an air conditioner 33 is disposed, with the bypass pipe 38 as a boundary. Reference numeral 39 denotes an inverter that variably controls the pump flow rate, and is provided corresponding to the cold / hot water primary pump 32 and the cold / hot water secondary pump 34. 40 is a water supply temperature sensor for measuring the temperature of water supplied to the air conditioner 33, 41 is a return water temperature sensor for measuring the temperature of the return water from the air conditioner 33, and 42 and 43 are flow meters for measuring the load flow rate and bypass flow rate, respectively. is there.
[0027]
The operation of the variable flow rate control system when the cold / hot water generator 31 and the cold / hot water primary pump 32 are operated is as follows. That is, the cold water or the hot water produced by the cold / hot water generator 31 is pumped to the forward / first header 35 by the cold / hot water primary pump 32, and further passes through the forward / secondary header 36 and the water pipe 44 by the cold / hot water secondary pump 34. Then, it is pumped to the air conditioner 33. The cold water or hot water sent to the air conditioner 33 exchanges heat with the air conditioner 33 and then returns to the cold / hot water generator 31 via the return water pipe 46 and the return header 37. The air conditioning load conveyed to the cold / hot water generator 31 is discharged to the outside through a cooling water pump and a cooling tower (not shown) of the cooling water circuit during cooling. At this time, if the flow rate of cold water or hot water conveyed by the cold / hot water primary pump 32 and the flow rate of cold water or hot water conveyed by the cold / hot water secondary pump 34 are balanced, the flow rate of the bypass pipe 38 becomes 0. Is larger than the latter, a flow is formed in the bypass pipe 38 from the forward primary header 35 to the return water pipe 46, and conversely, if the latter is larger than the former, the bypass pipe 38 has a forward primary from the return water pipe 46. A flow toward the header 35 is formed.
[0028]
Reference numeral 45 denotes a variable flow rate control device that performs optimum control of the cold / hot water primary pump 32 and the cold / hot water secondary pump 34 in accordance with fluctuations in the load state of the air conditioner 33. The variable flow rate control device 45 loads the load heat amount calculated from the measured values of the water supply temperature sensor 40, the return water temperature sensor 41 and the load flow meter 42, and the bypass flow rate calculated from the measured value of the bypass flow meter 43. After detecting the state, the optimal control output of the cold / hot water primary pump 32 and the cold / hot water secondary pump 34 is calculated and output so as to satisfy the load requirement. It is also possible to add a function for controlling the number of units to the variable flow rate control device 45 so that the cold / hot water generator 31 and the pump can be controlled according to the load state.
[0029]
An operation evaluation apparatus 12 accumulates and evaluates operation data of the variable flow rate control system held by the variable flow rate control apparatus 45. The operation evaluation device 12 is connected to the variable flow rate control device 45 through a communication line, periodically collects the latest operation data held by the variable flow rate control device 45 and stores it inside, and based on the accumulated data. Various evaluations regarding the operational status of the variable control system are conducted.
[0030]
FIG. 5 is a diagram showing an example of a screen for comparing and evaluating the energy saving effect of the variable flow rate control system of FIG. 4 at a predetermined period. FIG. 6 is a diagram for comparing the energy consumption of the variable flow rate control system and the virtual control system. It is a figure which shows the example of the used apparatus registration data. There are two virtual control systems, a primary side constant flow rate / secondary side constant flow rate control system A and a primary side constant flow rate / secondary side variable flow rate control system B. The energy consumption of the primary side variable flow rate / secondary side variable flow rate control system C, which is a variable control system, is compared and evaluated. That is, the energy consumption calculation unit 14 calculates the energy consumption of the variable control system and the fancy control system based on the device characteristic data converted from the device registration data, and the operation evaluation unit 21 saves the energy saving effect of the variable control system. Are compared and evaluated at predetermined intervals. Moreover, cost-saving evaluation and environmental load evaluation of the variable control system are performed using various evaluation basic units (energy unit price, carbon dioxide emission amount, etc.) stored in the evaluation basic unit data storage unit 24.
[0031]
Note that the horizontal axis of the graph illustrated in FIG. 5 is time (day) and the vertical axis is conveyance power (kWh), but the items and scale on the horizontal axis are based on user requests such as monthly or hourly units. The items and scales on the vertical axis can be changed and displayed automatically according to the operation evaluation items (energy cost, carbon dioxide emission, etc.) selected by the user. In addition, various graph formats such as the illustrated bar graph and area graph can be selected as the graph representation format. For example, a table that compares the integrated value, average value, and maximum value of operation evaluation values for a predetermined period can be selected. It is also possible to display the result as
[0032]
FIG. 7 is a configuration explanatory diagram showing an operation evaluation apparatus of the variable control system 11 when the air volume change system of the air conditioner is targeted.
[0033]
In FIG. 7, 51 is an air conditioner body, 52 is a cold water coil, 53 is a hot water coil, 54 is a humidifier, 55 is an air supply fan, 56 is an air conditioning target room, 57 is an air supply duct, 58 is a return air duct, 59. Is a return fan. Reference numeral 60 denotes an inverter that variably controls the fan air volume, and is provided corresponding to the air supply fan 55 and the return air fan 59. 61 is a temperature sensor that measures the temperature of the air to the air-conditioning target room 56, 62 is a humidity sensor that measures the humidity of the air-conditioning target room 56, 63 is a VAV unit that controls the amount of air supply based on the temperature of the air-conditioning target room 56, Reference numeral 64 is a cold water valve, 65 is a hot water valve, 66 is a humidification valve, 67 is an exhaust damper, 68 is a return air damper, and 69 is an outside air damper.
[0034]
The operation of the variable air volume control system when operating the air supply fan 55 and the return air fan 59 is as follows. That is, the air entering the air conditioner main body 51 is adjusted in temperature and humidity by the coils 52 and 53 to which cold and hot water from a heat source device such as a cold and hot water generator is supplied, the humidifier 54 and the valves 64, 65 and 66. After the operation, the air supply fan 55 in the air conditioner main body 51 supplies the air-conditioning target room 56 via the air supply duct 57. A part of the conditioned air supplied to the air-conditioning target room 56 through the VAV unit 63 is exhausted to the outside through the return air duct 58 by the return air fan 59, and the remaining return air and newly taken outside air are also discharged. It is conveyed to the air conditioner body 51.
[0035]
70 is a cold water valve 64, a hot water valve 65, a humidification valve 66, an air supply fan 55, a return according to the temperature change of the air-conditioning target room 56 and the change in the air supply state transmitted from the VAV unit 63 via the communication bus. This is a variable air volume control device that performs optimal control of the air fan 59, the exhaust damper 67, the return air damper 68, and the outside air damper 69.
[0036]
Reference numeral 71 denotes an operation evaluation apparatus that accumulates and evaluates operation data of the variable air volume control system held by the variable air volume control apparatus 70. The operation evaluation device 71 is connected to the air flow rate control device 70 via a communication line, periodically collects the latest operation data held by the air flow rate control device 70 and stores it inside, and based on the accumulated data. Various evaluations regarding the operational status of the variable control system are conducted.
[0037]
For this variable air volume system, as with the variable flow system described above, the energy consumption of the actual variable air volume system and the virtual control system should be compared and evaluated by using device registration data and device characteristic data related to the fan. Is possible.
[0038]
Thus, the energy consumption of the variable flow rate (variable air flow) control system and the comparison target based on the operation characteristics of the equipment, the performance characteristics of the transfer device, etc., and the control system type to be compared with the variable flow rate (variable air flow) control system By providing means for calculating the virtual energy consumption amount of the control system and comparing these energy consumption amounts, the energy saving effect of the variable flow rate (variable air amount) control system can be evaluated in real time and quantitatively.
[0039]
In this embodiment, energy consumption is used as the operation evaluation value. However, various quantifiable evaluation scales such as energy cost and environmental load emission can be calculated as the operation evaluation value. is there. In addition, the variable flow rate control device 45 and the operation evaluation device 12, or the variable flow rate control device 62 and the operation evaluation device 63 are configured as separate devices, but the function of the operation evaluation device 12 is the same as that of the variable flow rate control device 45. It is also possible to configure as a device in which both are integrated by incorporating the function of the operation evaluation device 63 in the variable air volume control device 62.
[0040]
Furthermore, in the above-mentioned embodiment, the variable flow control system and the variable air flow rate control system provided with the inverter-driven transfer device are cited as the variable control system components, and the operation evaluation apparatus for evaluating these variable control systems is used. Although the configuration and functions have been described in detail, the variable control system targeted by the operation evaluation apparatus of the present invention is not limited to the above-described variable control system. Based on device registration data and device characteristic data that are defined in advance prior to operation evaluation, actual and virtual operation evaluation values (energy consumption, energy cost, environmental load emissions, etc.) of variable control system components Any variable control system can be applied to the present invention as long as it can be directly or indirectly quantified from actual operation data. For example, as a variable control system component device, a variable control system using a heat medium conveyance amount variable control means other than an inverter such as a damper or a control valve, or as a variable control system component device, a dimming control provided with an illumination device by inverter control With respect to the system as well, the cost-saving effect and the energy-saving effect can be evaluated in real time and quantitatively by using the operation evaluation apparatus of the present invention, as in the above-described variable flow rate control system and variable flow rate control system.
[0041]
【The invention's effect】
As described above, according to the present invention, the operation evaluation device for a variable control system capable of evaluating the cost saving effect and the energy saving effect after introduction of the variable control system in real time and quantitatively while comparing with the conventional control system. Can be provided.
[Brief description of the drawings]
FIG. 1 is a configuration explanatory diagram showing an operation evaluation apparatus for a variable control system according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing an example of device characteristic data stored in a device characteristic data storage unit and an energy consumption calculation method according to an embodiment of the present invention.
FIG. 3 is an explanatory diagram showing an example of device registration data stored in a device registration data storage unit and device characteristic data converted from the device registration data according to the embodiment of the present invention.
FIG. 4 is a configuration explanatory diagram showing an operation evaluation device for a variable control system in the case of targeting a variable flow rate control system for air-conditioning cold / hot water according to an embodiment of the present invention.
FIG. 5 is a characteristic diagram showing an example of a screen for comparing and evaluating the energy saving effect of the variable flow rate control system according to the embodiment of the present invention at a predetermined period.
FIG. 6 is an explanatory diagram showing an example of device registration data used to compare the energy consumption amounts of the variable flow rate control system and the virtual control system according to the embodiment of the present invention.
FIG. 7 is a configuration explanatory diagram showing an operation evaluation apparatus for a variable control system in a case where an air volume control system for an air conditioner according to an embodiment of the present invention is a target.
[Explanation of symbols]
11 Variable control system
12 Operation data is an operation evaluation device
13 Operation data input section
14 Energy consumption calculator
15 Variable control system energy consumption calculator
16 Virtual control system energy consumption calculator
17 Device characteristic setting section
18 Device characteristic data storage
19 Device registration data storage
20 Device Registration Department
21 Operation Evaluation Department
22 Evaluation data storage
23 Evaluation unit setting section
24 Evaluation unit data storage
25 Human Interface

Claims (1)

An operation evaluation apparatus for a variable control system that performs operation evaluation of a variable control system including a transport device such as a pump and a fan that variably controls the rotation speed according to an air conditioning load,
Device registration means for registering the basic information of the transport device constituting the variable control system;
Device characteristic setting means for setting the control characteristics at the time of actual or rated operation of the transport equipment using the basic information of the transport equipment registered by the equipment registration means;
An actual operation evaluation value calculating means for calculating the energy consumption or energy cost of the variable control system or the environmental load emission based on the actual control characteristics and the actual operation data;
A virtual operation evaluation value calculating means for calculating the energy consumption or energy cost of the variable control system or the environmental load emission based on the control characteristics during the rated operation and the actual operation data;
An operation evaluation apparatus for a variable control system, comprising: an operation evaluation means for accumulating calculation results by the actual operation evaluation value calculation means and the virtual operation evaluation value calculation means at a predetermined period and comparing and evaluating them.

Images