CN204424929U - The control device of grid-connected power generation system - Google Patents
The control device of grid-connected power generation system Download PDFInfo
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- CN204424929U CN204424929U CN201520113292.XU CN201520113292U CN204424929U CN 204424929 U CN204424929 U CN 204424929U CN 201520113292 U CN201520113292 U CN 201520113292U CN 204424929 U CN204424929 U CN 204424929U
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- main controller
- control device
- gas electricity
- gas
- power
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The utility model discloses a kind of control device of grid-connected power generation system, comprise gas electricity system and external electrical network, gas electricity system and external electrical network are all connected to load by bus, the grid-connected place of external electrical network is provided with power meter scale, power measurement list catenation is to main controller, gas electricity system is provided with intake valve control device, and intake valve control device is connected to main controller.The access way of generating can be lied prostrate by control gas Generate, Generation, Generator flexibly according to the power factor that power meter scale obtains, improve efficiency of energy utilization, energy-saving and emission-reduction, human-computer interaction function is provided, can the ruuning situation of direct vision gas electricity comprehensive energy control device, and with the failure condition of the form such as sound, light display main controller and abnormality, manual maintenance and maintenance can be convenient to.
Description
Technical field
The utility model belongs to gas electricity remote management and control technical field, relates to a kind of control device of grid-connected power generation system.
Background technology
Gas is as a kind of generation technology relative maturity of new forms of energy, gas electricity unit can make full use of coal mine gas, the comprehensive utilization of the energy is achieved again while reducing methane gas discharge capacity, reducing environmental pollution, a kind of environmental protection, energy-conservation forms of electricity generation, cleaner production energy development can be actively pushed forward, realize the generating integrated process of coal mining gas production, effectively improve safety in production level.On the other hand, along with socioeconomic fast development, the non-regeneration energy worsening shortages such as fossil energy, solar power generation application is also more and more extensive, and this clean reproducible energy forms of electricity generation mainly comprises the form such as photovoltaic generation and solar energy thermal-power-generating.At present, not yet there is the gas electricity comprehensive energy operation monitoring system that integrated photovoltaic generates electricity in domestic market, existing system cannot integral power factor information, unified coordinate photovoltaic generation, gas electricity unit, technical advantage and the economic advantages of its entirety cannot be given full play to.
Utility model content
The purpose of this utility model is to provide a kind of control device of grid-connected power generation system, to solve in prior art the problem lacking unified cooperation and integration photovoltaic generation and gas electricity unit operation.
The technical scheme that the utility model adopts is, the control device of grid-connected power generation system, comprise gas electricity system and external electrical network, gas electricity system and external electrical network are all connected to load by bus, the grid-connected place of external electrical network is provided with power meter scale, power measurement list catenation is to main controller, and gas electricity system is provided with intake valve control device, and intake valve control device is connected to main controller;
Power meter scale for obtaining external electrical network and the power factor of site, and sends it to main controller; Main controller is used for the power factor that received power gauge table sends, and regulates the air inflow of gas electricity system according to power factor; Intake valve control device is for receiving the control command of main controller to regulate the air inflow of gas electricity system.
Further, comprise gas inlet pipe road, gas inlet pipe road is connected to bus through gas electricity unit and gas electricity branch breaker, and main controller is connected to gas electricity branch breaker by gas electricity branch breaker control module and is used for the disconnection of control gas generating branch breaker with closed.
Further, gas inlet pipe road is provided with the concentration detector for detecting gas electricity system air inflow and gas concentration, and concentration detector is connected to main controller.
Further, bus is connected with photovoltaic power generation apparatus through photovoltaic generation branch breaker, and main controller is connected to photovoltaic generation branch breaker by photovoltaic generation branch breaker control module and is used for controlling the disconnection of photovoltaic generation branch breaker and closes.
Further, photovoltaic power generation apparatus is provided with the power measurement module for measuring photovoltaic generation branch voltage electric current, and power measurement model calling is to main controller.
Further, main controller connects human-computer interaction module.
Further, main controller also connects alarm module and communication module respectively.
The beneficial effects of the utility model are, the access way of generating can be lied prostrate by control gas Generate, Generation, Generator flexibly according to the power factor that power meter scale obtains, improve efficiency of energy utilization, energy-saving and emission-reduction, human-computer interaction function is provided, can the ruuning situation of direct vision gas electricity comprehensive energy control device, and with the failure condition of the form such as sound, light display main controller and abnormality, manual maintenance and maintenance can be convenient to.
Accompanying drawing explanation
Fig. 1 is the control device structural representation of the utility model grid-connected power generation system.
In figure, 1. load, 2. bus, 3. power meter scale, 4. main controller, 5. gas inlet pipe road, 6. gas electricity unit, 7. photovoltaic power generation apparatus, 8. intake valve control device, 9. concentration measuring apparatus, 10. gas electricity branch breaker, 11. gas electricity branch breaker control modules, 12. power measurement modules, 13. photovoltaic generation branch breakers, 14. photovoltaic generation branch breaker control modules, 15. alarm modules, 16. communication modules, 17. human-computer interaction modules.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model provides a kind of intelligent energy mix generating remote control, as shown in Figure 1, comprise gas electricity system and external electrical network, gas electricity system and external electrical network are all connected to load 1 by bus 2, the grid-connected place of external electrical network is provided with power meter scale 3, power meter scale 3 is connected to main controller 4, and gas electricity system is provided with intake valve control device 8, and intake valve control device 8 is connected to main controller 4;
Power meter scale 3 for obtaining external electrical network and the power factor of site, and sends it to main controller 4; The power factor that main controller 4 sends for received power gauge table 3, and the air inflow of gas electricity system is regulated according to power factor; Intake valve control device 8 is for receiving the control command of main controller 4 to regulate the air inflow of gas electricity system.
Gas electricity system provides power supply to load 1 with external electrical network together with bus 2, obtaining outer net power factor, selecting supply power mode according to power factor size by main controller 4 by arranging the power meter scale 2 grid-connected with external electrical network.
Gas electricity system comprises gas inlet pipe road 5, gas inlet pipe road 5 is connected to bus 2 through gas electricity unit 6 and gas electricity branch breaker 10, and main controller 4 is connected to gas electricity branch breaker 10 by gas electricity branch breaker control module 11 and is used for the disconnection of control gas generating branch breaker 10 with closed.
Intake valve control device 8 is provided with for receiving the control command of main controller 4 in gas electricity system, the air inflow of control gas admission line 5, gas electricity branch breaker control module 11 is for receiving the closed and disconnected of the control command control gas electricity generation system of main controller 4.
Gas inlet pipe road 5 is provided with the concentration detector 9 for detecting gas electricity system air inflow and gas concentration, and concentration detector 9 is connected to main controller 4.
Gas electricity system is provided with air inflow and the gas concentration that concentration detector 9 can detect gas.
Bus 2 is connected with photovoltaic power generation apparatus 7 through photovoltaic generation branch breaker 13, and main controller 4 is connected to photovoltaic generation branch breaker 13 by photovoltaic generation branch breaker control module 14 and is used for controlling the disconnection of photovoltaic generation branch breaker 13 and closes.
Photovoltaic power generation apparatus 7 is provided with the power measurement module 12 for measuring photovoltaic generation branch voltage electric current, and power measurement module 12 is connected to main controller 4.
Be provided with power measurement module 12 in photovoltaic generating system and can measure parameters of electric power value, photovoltaic generation branch breaker control module 14 can control the closed and disconnected of photovoltaic generating system.
Main controller 4 connects human-computer interaction module 17.
Main controller 4 also connects alarm module 15 and communication module 16 respectively.
Main controller 4 can Real-time Collection power meter scale 3 obtain and site power data, the photovoltaic generation power that power measurement module 12 obtains, photovoltaic generation branch breaker 13 state information, the methane gas state information that gas electricity branch breaker 10 state information and concentration detector 9 obtain, integrated decision-making, produce gas electricity integrated energy system and run control command accordingly, assign to photovoltaic generation branch breaker control module 14, gas electricity branch breaker control module 11 and intake valve control device 8, and then control photovoltaic generation branch breaker 13 with the closed of gas electricity branch breaker 10 with cut-off, and the air inflow of gas electricity unit 6.
The course of work of the control device of the utility model grid-connected power generation system is as follows:
After power meter scale 3 works, transmit real-time also site power information to main controller 4; Power measurement module 12 transmits real-time photovoltaic generation power to main controller 4 after working; After the work of photovoltaic generation branch breaker control module 14, transmit real-time photovoltaic generation branch breaker 13 positional information to main controller 4; After the work of gas electricity branch breaker control module 11, transmit real-time gas electricity branch breaker 10 positional information to main controller 4; Concentration detector 9 transmits real-time gas electricity unit 6 methane gas state information to main controller 4 after working.
After main controller 4 obtains real time information, carry out operation and control to judge:
If 1 and site power factor higher than set point time, judge the positional information of gas electricity branch breaker 10:
If gas electricity branch breaker 10 disconnects, then send close command to gas electricity branch breaker control module 11; If gas electricity branch breaker 10 closes, then send close command to photovoltaic generation branch breaker control module 14;
If 2 and site power factor lower than set point time, judge gas electricity branch breaker 10 positional information: if gas electricity branch breaker 10 disconnects, then send open command to photovoltaic generation branch breaker control module 14; If gas electricity branch breaker 10 closes, then make the following judgment:
If 2.1 photovoltaic generation power are greater than zero, and gas electricity unit 6 methane gas state belongs to normal condition, sends reduce air inflow instruction to intake valve control device 8;
If 2.2 photovoltaic generation power are greater than zero, and gas electricity unit 6 methane gas state is in operation lower limit, sends open command to photovoltaic generation branch breaker control module 14;
If 2.3 photovoltaic generation power equal zero, then send open command to gas electricity branch breaker control module 11.
The control device of the utility model grid-connected power generation system can generate electricity by control gas Generate, Generation, Generator volt flexibly, avoid the fine caused because the power factor that is incorporated into the power networks is too low on the one hand, utilize solar energy regenerative resource on the other hand according to actual conditions as far as possible, improve efficiency of energy utilization, energy-saving and emission-reduction.
The control device of the utility model grid-connected power generation system can provide human-computer interaction function, optimum configurations can be carried out to main controller, and can the ruuning situation of direct vision gas electricity comprehensive energy control device, and with the failure condition of the form such as sound, light display main controller and abnormality, manual maintenance and maintenance can be convenient to.
Claims (7)
1. the control device of grid-connected power generation system, it is characterized in that, comprise gas electricity system and external electrical network, described gas electricity system and external electrical network are all connected to load (1) by bus (2), the grid-connected place of described external electrical network is provided with power meter scale (3), described power meter scale (3) is connected to main controller (4), described gas electricity system is provided with intake valve control device (8), and described intake valve control device (8) is connected to main controller (4);
Described power meter scale (3) for obtaining external electrical network and the power factor of site, and sends it to main controller (4); The power factor that described main controller (4) sends for receiving described power meter scale (3), and the air inflow of gas electricity system is regulated according to power factor; Described intake valve control device (8) is for receiving the control command of main controller (4) to regulate the air inflow of gas electricity system.
2. the control device of grid-connected power generation system as claimed in claim 1, it is characterized in that, described gas electricity system comprises gas inlet pipe road (5), described gas inlet pipe road (5) is connected to bus (2) through gas electricity unit (6) and gas electricity branch breaker (10), and described main controller (4) is connected to gas electricity branch breaker (10) by gas electricity branch breaker control module (11) and is used for the disconnection of control gas generating branch breaker (10) with closed.
3. the control device of grid-connected power generation system as claimed in claim 2, it is characterized in that, described gas inlet pipe road (5) is provided with the concentration detector (9) for detecting gas electricity system air inflow and gas concentration, and described concentration detector (9) is connected to main controller (4).
4. the control device of grid-connected power generation system as claimed in claim 1 or 2, it is characterized in that, described bus (2) is connected with photovoltaic power generation apparatus (7) through photovoltaic generation branch breaker (13), and described main controller (4) is connected to photovoltaic generation branch breaker (13) by photovoltaic generation branch breaker control module (14) and is used for controlling the disconnection of photovoltaic generation branch breaker (13) and closes.
5. the control device of grid-connected power generation system as claimed in claim 4, it is characterized in that, described photovoltaic power generation apparatus (7) is provided with the power measurement module (12) for measuring photovoltaic generation branch voltage electric current, and described power measurement module (12) is connected to main controller (4).
6. the control device of grid-connected power generation system as claimed in claim 1 or 2, is characterized in that, described main controller (4) connects human-computer interaction module (17).
7. the control device of grid-connected power generation system as claimed in claim 1 or 2, it is characterized in that, described main controller (4) also connects alarm module (15) and communication module (16) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113292.XU CN204424929U (en) | 2015-02-16 | 2015-02-16 | The control device of grid-connected power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113292.XU CN204424929U (en) | 2015-02-16 | 2015-02-16 | The control device of grid-connected power generation system |
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| CN204424929U true CN204424929U (en) | 2015-06-24 |
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| CN201520113292.XU Expired - Fee Related CN204424929U (en) | 2015-02-16 | 2015-02-16 | The control device of grid-connected power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119303A (en) * | 2015-09-20 | 2015-12-02 | 陕西华泰汇丰能源科技有限公司 | Ventilation air methane/photovoltaic power generation system and controlling method thereof |
-
2015
- 2015-02-16 CN CN201520113292.XU patent/CN204424929U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119303A (en) * | 2015-09-20 | 2015-12-02 | 陕西华泰汇丰能源科技有限公司 | Ventilation air methane/photovoltaic power generation system and controlling method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20210216 |