CN208674874U - A kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme - Google Patents
A kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme Download PDFInfo
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- CN208674874U CN208674874U CN201821483342.3U CN201821483342U CN208674874U CN 208674874 U CN208674874 U CN 208674874U CN 201821483342 U CN201821483342 U CN 201821483342U CN 208674874 U CN208674874 U CN 208674874U
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- microgrid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model discloses a kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme, each sub- microgrid includes respective energy power pack and monitor portion；The energy power pack includes photovoltaic generating system, hydroelectric power system, wind generator system and gas power generation system, and each sub- microgrid includes current transformer, distribution box, ferric phosphate lithium cell group and load；The sub- microgrid accesses 380V power distribution network in a manner of double bus scheme.The utility model establishes a kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme, clean energy resource application percentage can be improved, Optimization of Energy Structure, promote urban life ambient level, urban waterlogging is eliminated to threaten, power generation uses nearby nearby, and has important practical application value to the stability for improving more microgrid interacted system operations.
Description
Technical field
The utility model belongs to micro-capacitance sensor field, and in particular to a kind of multiple-energy-source micro-capacitance sensor of double bus scheme mutually contacts
System.
Background technique
With popularizing for new energy power generation technology, the deployment of civilian micro-capacitance sensor is increasing.With distribution type renewable energy
The micro-capacitance sensor that power generation and energy-storage system combine can effectively improve energy utilization rate, reduce environmental pollution.Partial zones at this stage
There are multiple neighbouring micro-capacitance sensors in domain, and can be interconnected and form more micro-capacitance sensors.It is different from single micro-capacitance sensor for more microgrids
Be, can not only with power grid positive energy exchange, and can between microgrid and microgrid positive energy exchange.At present for multiple-energy-source across ground
The research of more microgrid interacted systems of area's complementation and field operation experiences are less, in order to solve place renewable energy abundant
The problem of local consumption, trans-regional consumption and micro-capacitance sensor interacted system operation stability, it is necessary to develop a kind of double bus scheme
Multiple-energy-source micro-capacitance sensor interacted system, promote adaptation to local conditions development, promote renewable energy consumption, energy-saving and emission-reduction, so that mostly micro-
Net operation is more reliable and more stable.
Utility model content
Purpose of the utility model is to solve above-mentioned the shortcomings of the prior art, provide a kind of double-bus
The multiple-energy-source micro-capacitance sensor interacted system of wiring has important meaning to the research of more microgrid interacted systems of construction multi-energy complementation
Justice.
To solve the above-mentioned problems, the utility model uses following technical scheme:
A kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme, including power distribution network, more microgrid buses and at least three
Sub- microgrid, each sub- microgrid include respective energy power pack and monitor portion；The energy power pack includes
Photovoltaic generating system, hydroelectric power system, wind generator system and gas power generation system, each sub- microgrid includes unsteady flow
Device, distribution box, ferric phosphate lithium cell group and load；Each sub- microgrid includes sub- microgrid bus, wherein the energy
Power pack is connected by breaker and contactor with the sub- microgrid bus；The sub- microgrid is connect in a manner of double bus scheme
Enter the power distribution network of 380V.
The double bus scheme mode is that two groups of buses are set up between each sub- microgrid and power distribution network, and each sub- microgrid is logical
It crosses 1 breaker and 2 groups of disconnecting switch is connected respectively to two groups of buses, connected between two groups of buses by bus-tie circuit breaker
It connects.
Photovoltaic generating system includes photovoltaic panel, distribution box and photovoltaic DC-to-AC converter；The photovoltaic panel is connected with distribution box, distribution
Case is connected with photovoltaic DC-to-AC converter；Hydroelectric power system includes small hydraulic turbine and current transformer, small hydraulic turbine and current transformer phase
Connection；Wind generator system includes wind-driven generator, distribution box and current transformer, and the wind-driven generator is connected with distribution box,
The distribution box is connected with current transformer；Gas power generation system includes gas turbine, distribution box and current transformer, the gas turbine
It is connected with distribution box, the distribution box is connected with current transformer.
The monitor portion includes current monitor, voltage monitor, power controller and microgrid control monitor portion；
The current monitor is connect with micro-capacitance sensor, and the voltage monitor is connect with micro-capacitance sensor, the power controller with
Voltage monitor, current monitor are electrically connected, and the microgrid control monitor portion and power controller are electrically connected.
The technical effect of the utility model are as follows:
1. double bus scheme mode high reliablity used by, flexibility is high, and enlarging is convenient.It is any under grid-connect mode
The maintenance of group bus or not interruption of power supply for a long time when failure, are conducive to the stability and reliability that improve more micro-grid systems operations；
2. multiple-energy-source micro-capacitance sensor mutual contact mode used by gives full play to adaptation to local conditions benefit, can be exclusive by different regions
Photovoltaic power generation or wind-power electricity generation use more microgrid mutual contact modes using micro-capacitance sensor progress on-site elimination, carry out it across ground
Area's consumption, greatly improves energy utilization rate, energy conservation and environmental protection, and can reduce the dependence to power distribution network, reduces big with power distribution network
Power interaction；
3. carrying out energy complementation using the climate difference of different regions, the roof rainwater collecting device used is small-sized water turbine
The power generation of machine provides may；Power outages are reduced, the cost of power transmission and distribution is reduced, improve electric power utilization rate；
4. the normal operation of micro-capacitance sensor can be effectively ensured in monitor portion, it is able to achieve internal electric source and load integration operation simultaneously
By the coordinated control with main power grid, meet user to distributed generation resource access, power quality, power supply reliability and safety
It is required that.Wherein energy-storage system control monitor portion can guarantee smoothly switch micro-capacitance sensor and off-network mode, can overcome well new
Randomness, the fluctuation, intermittent influence of energy power generation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, a kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme, including power distribution network, more microgrid buses
With at least three sub- microgrids, each sub- microgrid includes respective energy power pack and monitor portion；The energy supplies
Electric part includes photovoltaic generating system, hydroelectric power system, wind generator system and gas power generation system, and each sub- microgrid is equal
Including current transformer, distribution box, ferric phosphate lithium cell group and load；Each sub- microgrid includes sub- microgrid bus, wherein
The energy power pack is connected by breaker and contactor with the sub- microgrid bus；The sub- microgrid is connect with double-bus
Line mode accesses the power distribution network of 380V.
The double bus scheme mode is that two groups of buses are set up between each sub- microgrid and power distribution network, and each sub- microgrid is logical
It crosses 1 breaker and 2 groups of disconnecting switch is connected respectively to two groups of buses, connected between two groups of buses by bus-tie circuit breaker
It connects.Due to this structure, can avoid having a power failure for a long time when bus-bar fault or maintenance.
Photovoltaic generating system includes photovoltaic panel, distribution box and photovoltaic DC-to-AC converter；The photovoltaic panel is connected with distribution box, distribution
Case is connected with photovoltaic DC-to-AC converter；Hydroelectric power system includes small hydraulic turbine and current transformer, small hydraulic turbine and current transformer phase
Connection is generated electricity with the water that roof rainwater collecting device is collected；Wind generator system includes wind-driven generator, distribution box and unsteady flow
Device, the wind-driven generator are connected with distribution box, and the distribution box is connected with current transformer；Gas power generation system includes combustion gas
Turbine, distribution box and current transformer, the gas turbine are connected with distribution box, and the distribution box is connected with current transformer.Due to
This structure, by photovoltaic power generation to microgrid internal loading, electric car, battery-powered, charging when illumination abundance；Wind-power electricity generation is abundant
Area is by wind-driven generator to microgrid internal loading, battery-powered, charging；Roof rain is utilized by house small hydraulic turbine when raining heavyly
To microgrid internal loading, electric car, battery-powered, charging, rainwater is handled through strainer to be made the rainwater that water collecting device is collected
For urgent domestic water；Night is powered using ferric phosphate lithium cell group, when energy deficiency, enables small hydraulic turbine or gas turbine
Power supply；Power interaction can also be carried out between each microgrid.
The monitor portion includes current monitor, voltage monitor, power controller and microgrid control monitor portion；
The current monitor is connect with micro-capacitance sensor, and the voltage monitor is connect with micro-capacitance sensor, the power controller with
Voltage monitor, current monitor are electrically connected, and the microgrid control monitor portion and power controller are electrically connected.Due to
This structure can monitor the electric current in microgrid, prevent fault；The voltage in microgrid can be monitored, circuit event is prevented
Barrier；Power controller and voltage monitor, current monitor are electrically connected, and can be controlled power in microgrid；Microgrid control
Monitor portion and power controller are electrically connected, can control microgrid and off-network mode.
Double bus scheme mode high reliablity used by the utility model, flexibility is high, and enlarging is convenient, grid-connect mode
Under, not interruption of power supply for a long time when the maintenance of any group of bus or failure, be conducive to the stability for improving more micro-grid systems operations and
Reliability；Used multiple-energy-source micro-capacitance sensor mutual contact mode gives full play to adaptation to local conditions benefit, and can utilize the gas of different regions
It waits difference and carries out energy complementation, the roof rainwater collecting device used provides possibility for the power generation of small hydraulic turbine；It can will be different
Area exclusive photovoltaic power generation or wind-power electricity generation carry out on-site elimination using micro-capacitance sensor, and use more microgrid mutual contact modes, make
It carries out trans-regional consumption, greatly improves energy utilization rate, energy conservation and environmental protection, and can reduce the dependence to power distribution network, reduction and
The high-power interaction of power distribution network；The normal operation of micro-capacitance sensor can be effectively ensured in monitor portion, be able to achieve internal electric source and load one
Bodyization runs and passes through and the coordinated control of main power grid, meets user to distributed generation resource access, power quality, power supply reliability
With the requirement of safety.Wherein energy-storage system control monitor portion can guarantee smoothly switch micro-capacitance sensor and off-network mode, can be very
The randomness for overcoming generation of electricity by new energy well, fluctuation, intermittent influence.
Claims (4)
1. a kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme, it is characterised in that: including power distribution network, more microgrid buses and
At least three sub- microgrids, each sub- microgrid include respective energy power pack and monitor portion；The energy power supply
Part includes photovoltaic generating system, hydroelectric power system, wind generator system and gas power generation system, and each sub- microgrid wraps
Include current transformer, distribution box, ferric phosphate lithium cell group and load；It is described
Each sub- microgrid includes sub- microgrid bus, wherein the energy power pack passes through breaker and contactor and institute
Sub- microgrid bus is stated to be connected；The sub- microgrid accesses the power distribution network of 380V in a manner of double bus scheme.
2. a kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme according to claim 1, it is characterised in that: described
Double bus scheme mode be that two groups of buses are set up between each sub- microgrid and power distribution network, each sub- microgrid pass through 1 breaker
Two groups of buses are connected respectively to 2 groups of disconnecting switch, are connected between two groups of buses by bus-tie circuit breaker.
3. a kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme according to claim 1, it is characterised in that:
Photovoltaic generating system includes photovoltaic panel, distribution box and photovoltaic DC-to-AC converter；The photovoltaic panel is connected with distribution box, distribution box with
Photovoltaic DC-to-AC converter is connected；Hydroelectric power system includes small hydraulic turbine and current transformer, and small hydraulic turbine is connected with current transformer；
Wind generator system includes wind-driven generator, distribution box and current transformer, and the wind-driven generator is connected with distribution box, described to match
Electronic box is connected with current transformer；Gas power generation system includes gas turbine, distribution box and current transformer, the gas turbine and distribution
Case is connected, and the distribution box is connected with current transformer.
4. a kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme according to claim 1, it is characterised in that: described
Monitor portion include current monitor, voltage monitor, power controller and microgrid control monitor portion；The electric current prison
It surveys device to connect with micro-capacitance sensor, the voltage monitor is connect with micro-capacitance sensor, the power controller and voltage monitor, electricity
It flows monitor to be electrically connected, the microgrid control monitor portion and power controller are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821483342.3U CN208674874U (en) | 2018-09-11 | 2018-09-11 | A kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme |
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| CN201821483342.3U CN208674874U (en) | 2018-09-11 | 2018-09-11 | A kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme |
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| CN208674874U true CN208674874U (en) | 2019-03-29 |
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| CN201821483342.3U Expired - Fee Related CN208674874U (en) | 2018-09-11 | 2018-09-11 | A kind of multiple-energy-source micro-capacitance sensor interacted system of double bus scheme |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148933A (en) * | 2019-04-30 | 2019-08-20 | 国网河北省电力有限公司邢台供电分公司 | The more bus DC micro-electric planar network architectures of multiple-unit and Sub-region and hierarchical intelligence control system |
-
2018
- 2018-09-11 CN CN201821483342.3U patent/CN208674874U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148933A (en) * | 2019-04-30 | 2019-08-20 | 国网河北省电力有限公司邢台供电分公司 | The more bus DC micro-electric planar network architectures of multiple-unit and Sub-region and hierarchical intelligence control system |
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Granted publication date: 20190329 Termination date: 20190911 |