CN203722248U - Household wind-solar complementary grid-connected power generation system - Google Patents
Household wind-solar complementary grid-connected power generation system Download PDFInfo
- Publication number
- CN203722248U CN203722248U CN201320666854.4U CN201320666854U CN203722248U CN 203722248 U CN203722248 U CN 203722248U CN 201320666854 U CN201320666854 U CN 201320666854U CN 203722248 U CN203722248 U CN 203722248U
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- wind
- photovoltaic
- inverter
- combining inverter
- grid
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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 household wind-solar complementary grid-connected power generation system. The system comprises a photovoltaic power generation system, a wind power generation system, a wind-solar complementary controller and a monitoring system; the photovoltaic power generation system includes a solar energy photovoltaic array, a one-way lightning protection distribution box and a photovoltaic grid-connected inverter; the wind power generation system includes a wind driven generator, an unloading controller and a blower fan gird-connected inverter; and the monitoring system includes a monitoring host, an environment monitoring instrument, an inverter collector which detects operating parameters of the photovoltaic grid-connected inverter and the blower fan grid-connected inverter and a human-machine interface connected with the monitoring host. The household wind-solar complementary grid-connected power generation system is simple in structure, convenient to install, and low in input cost; wind energy and solar energy are converted to electric energy, conventional power grid energies are effectively supplemented, and cleanliness and energy conversation are achieved; a storage battery is not used for energy storage, thereby reducing installation and operation costs; and the human-machine system is adopts to perform real-time monitoring of the system, thereby improving security and operating efficiency of the system.
Description
Technical field
The utility model relates to a kind of electricity generation system, especially relates to a kind of domestic wind and light complementary grid-connected system.
Background technology
Wind energy, solar energy are reproducible clean resources, are one of best alternative energy sources of quick solution petrochemical industry class lack of energy, and therefore fully developing these renewable resources is the important channels of realizing the strategy of sustainable development and environmental protection.Because there are abundant wind energy and solar energy resources in China, therefore adopt wind and solar hybrid generating system to have good development potentiality, and current domestic wind light mutual complementing power generation technology is just in develop rapidly.
Existing wind-light complementary system is mainly to adopt the compositions such as wind-driven generator, solar energy photovoltaic panel, controller, inverter, storage battery, the main deficiency existing in such system is complex structure between wind-driven generator, solar energy photovoltaic panel and inverter, therefore installation cost is high, next is existing inverter unstable properties, easily infringement, useful life is not long, thereby has influence on stable, the operation normally of whole electricity generation system; Moreover need to control discharging and recharging of storage battery, and it is carried out to overvoltage protection, increase operating cost.Because above-mentioned some reason causes the scale of existing wind and solar hybrid generating system when the practice of construction all very little, can only meet the common electricity consumption of a few family residents.And existing wind and solar hybrid generating system is difficult to realize real-time monitoring generating situation, therefore needs to be improved.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, provides a kind of simple in structure, does not use storage battery to carry out energy storage, and can realize the domestic wind and light complementary grid-connected system of monitoring in real time.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of domestic wind and light complementary grid-connected system, is characterized in that: comprise photovoltaic generating system, wind generator system, wind/light complementation controller and supervisory control system, described photovoltaic generating system comprises photovoltaic array, the electric current of photovoltaic array output is confluxed and have the unidirectional lightning-protection distribution box of alternating current-direct current lightning protection function and the direct current after unidirectional lightning-protection distribution box confluxes is converted to the photovoltaic combining inverter of industrial-frequency alternating current, described wind generator system comprises wind-driven generator, for the three-phase alternating current of wind-driven generator output being converted to direct current and ensureing system power balance and prevent the off-load controller of low voltage crossing and the direct current of off-load controller output is converted to the blower fan combining inverter of described industrial-frequency alternating current, described supervisory control system comprise monitoring host computer, to the environment of power generation site carry out the environment monitor of Real-Time Monitoring, the inverter collector that the operational factor of photovoltaic combining inverter and blower fan combining inverter is detected and the Human machine interface joining with monitoring host computer, described wind/light complementation controller is connected with the electric quantity metering device of the circulation electric weight recording between described electricity generation system and power distribution network, described unidirectional lightning-protection distribution box joins with photovoltaic array and photovoltaic combining inverter respectively, described off-load controller joins with wind-driven generator and blower fan combining inverter respectively, described photovoltaic combining inverter and blower fan combining inverter all join with wind/light complementation controller, and described inverter collector joins with photovoltaic combining inverter, blower fan combining inverter and monitoring host computer respectively, described unidirectional lightning-protection distribution box comprises the circuit that confluxes connecting successively, lightning protection device and circuit breaker, described off-load controller comprises rectification circuit, described rectification circuit output end is opened and be connected in parallel on to the sky that is serially connected in described rectification circuit input end for consuming the dump load of surplus power, described blower fan combining inverter comprises the MPPT controller of the peak power output for following the trail of wind-driven generator, the full bridge inverter joining with described MPPT controller, the single-phase transformer joining with described full bridge inverter and the contactor joining with described single-phase transformer, described environment monitor comprises air velocity transducer, wind transducer, optical sensor, temperature probe, signal processor, control box and support, described air velocity transducer, wind transducer, optical sensor and temperature probe all join with described signal processor, described signal processor is arranged in described control box, on described control box, be provided with communication interface, described control box is arranged on described support, described signal processor joins by described communication interface and monitoring host computer.
Above-mentioned a kind of domestic wind and light complementary grid-connected system, is characterized in that: described inverter collector and described signal processor all join by RS485 bus and monitoring host computer.
Above-mentioned a kind of domestic wind and light complementary grid-connected system, is characterized in that: the monocrystalline silicon photovoltaic cell component that described photovoltaic array is 15% by photoelectric conversion efficiency forms.
Above-mentioned a kind of domestic wind and light complementary grid-connected system, is characterized in that: the rated capacity of described photovoltaic combining inverter is 5kW, and its direct voltage input range is 300～650V.
The utility model compared with prior art has the following advantages: simple in structure, easy for installation, input cost is low; Convert wind energy and solar energy to electric energy respectively, the conventional electrical network energy has been carried out effectively supplementing clean energy-saving; Do not use storage battery to carry out energy storage, reduced installation and operation cost; Adopt man-machine system to monitor in real time system, improved fail safe and the operational efficiency of system.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-photovoltaic array; 2-unidirectional lightning-protection distribution box; 3-photovoltaic combining inverter;
4-wind-driven generator; 5-off-load controller; 6-blower fan combining inverter;
7-monitoring host computer; 8-environment monitor; 9-inverter collector;
10-Human machine interface; 11-wind/light complementation controller; 12-electric quantity metering device;
13-power distribution network.
Embodiment
As shown in Figure 1, the utility model comprises photovoltaic generating system, wind generator system, wind/light complementation controller 11 and supervisory control system, the electric current that described photovoltaic generating system comprises photovoltaic array 1, export photovoltaic array 1 confluxes and has the unidirectional lightning-protection distribution box 2 of alternating current-direct current lightning protection function and the direct current after unidirectional lightning-protection distribution box 2 confluxes is converted to the photovoltaic combining inverter 3 of industrial-frequency alternating current, described wind generator system comprises wind-driven generator 4, is converted to direct current and ensures system power balance and prevent the off-load controller 5 of low voltage crossing and the direct current that off-load controller 5 is exported is converted to the blower fan combining inverter 6 of described industrial-frequency alternating current for the three-phase alternating current that wind-driven generator 4 is exported, described supervisory control system comprise monitoring host computer 7, to the environment of power generation site carry out the environment monitor 8 of Real-Time Monitoring, the inverter collector 9 that the operational factor of photovoltaic combining inverter 3 and blower fan combining inverter 6 is detected and the Human machine interface 10 joining with monitoring host computer 7, described wind/light complementation controller 11 is connected with the electric quantity metering device 12 that records the circulation electric weight between described electricity generation system and power distribution network 13, described unidirectional lightning-protection distribution box 2 joins with photovoltaic array 1 and photovoltaic combining inverter 3 respectively, described off-load controller 5 joins with wind-driven generator 4 and blower fan combining inverter 6 respectively, described photovoltaic combining inverter 3 and blower fan combining inverter 6 all join with wind/light complementation controller 11, and described inverter collector 9 joins with photovoltaic combining inverter 3, blower fan combining inverter 6 and monitoring host computer 7 respectively, described unidirectional lightning-protection distribution box 2 comprises the circuit that confluxes connecting successively, lightning protection device and circuit breaker, described off-load controller 5 comprises rectification circuit, described rectification circuit output end is opened and be connected in parallel on to the sky that is serially connected in described rectification circuit input end for consuming the dump load of surplus power, described blower fan combining inverter 6 comprises the MPPT controller of the peak power output for following the trail of wind-driven generator 4, the full bridge inverter joining with described MPPT controller, the single-phase transformer joining with described full bridge inverter and the contactor joining with described single-phase transformer, described environment monitor 8 comprises air velocity transducer, wind transducer, optical sensor, temperature probe, signal processor, control box and support, described air velocity transducer, wind transducer, optical sensor and temperature probe all join with described signal processor, described signal processor is arranged in described control box, on described control box, be provided with communication interface, described control box is arranged on described support, described signal processor joins by described communication interface and monitoring host computer 7.
In the present embodiment, described inverter collector 9 and described signal processor all join by RS485 bus and monitoring host computer 7.
In the present embodiment, the monocrystalline silicon photovoltaic cell component that described photovoltaic array 1 is 15% by photoelectric conversion efficiency forms.
In the present embodiment, the rated capacity of described photovoltaic combining inverter 3 is 5kW, and its direct voltage input range is 300～650V.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection range of technical solutions of the utility model.
Claims (4)
1. a domestic wind and light complementary grid-connected system, is characterized in that: comprise photovoltaic generating system, wind generator system, wind/light complementation controller (11) and supervisory control system, described photovoltaic generating system comprises photovoltaic array (1), the electric current of photovoltaic array (1) output is confluxed and have the unidirectional lightning-protection distribution box (2) of alternating current-direct current lightning protection function and the direct current after unidirectional lightning-protection distribution box (2) confluxes is converted to the photovoltaic combining inverter (3) of industrial-frequency alternating current, described wind generator system comprises wind-driven generator (4), is converted to direct current and ensures system power balance and prevent that the off-load controller (5) of low voltage crossing and the direct current by off-load controller (5) output are converted to the blower fan combining inverter (6) of described industrial-frequency alternating current for the three-phase alternating current that wind-driven generator (4) is exported, described supervisory control system comprise monitoring host computer (7), to the environment of power generation site carry out the environment monitor (8) of Real-Time Monitoring, the inverter collector (9) that the operational factor of photovoltaic combining inverter (3) and blower fan combining inverter (6) is detected and the Human machine interface (10) joining with monitoring host computer (7), described wind/light complementation controller (11) is connected with the electric quantity metering device (12) that records the circulation electric weight between described electricity generation system and power distribution network (13), described unidirectional lightning-protection distribution box (2) joins with photovoltaic array (1) and photovoltaic combining inverter (3) respectively, described off-load controller (5) joins with wind-driven generator (4) and blower fan combining inverter (6) respectively, described photovoltaic combining inverter (3) and blower fan combining inverter (6) all join with wind/light complementation controller (11), described inverter collector (9) respectively with photovoltaic combining inverter (3), blower fan combining inverter (6) and monitoring host computer (7) join, described unidirectional lightning-protection distribution box (2) comprises the circuit that confluxes connecting successively, lightning protection device and circuit breaker, described off-load controller (5) comprises rectification circuit, described rectification circuit output end is opened and be connected in parallel on to the sky that is serially connected in described rectification circuit input end for consuming the dump load of surplus power, and described blower fan combining inverter (6) comprises the MPPT controller of the peak power output for following the trail of wind-driven generator (4), the full bridge inverter joining with described MPPT controller, the single-phase transformer joining with described full bridge inverter and the contactor joining with described single-phase transformer, described environment monitor (8) comprises air velocity transducer, wind transducer, optical sensor, temperature probe, signal processor, control box and support, described air velocity transducer, wind transducer, optical sensor and temperature probe all join with described signal processor, and described signal processor is arranged in described control box, on described control box, is provided with communication interface, and described control box is arranged on described support, described signal processor joins by described communication interface and monitoring host computer (7).
2. according to a kind of domestic wind and light complementary grid-connected system claimed in claim 1, it is characterized in that: described inverter collector (9) and described signal processor all join by RS485 bus and monitoring host computer (7).
3. according to a kind of domestic wind and light complementary grid-connected system described in claim 1 or 2, it is characterized in that: the monocrystalline silicon photovoltaic cell component that described photovoltaic array (1) is 15% by photoelectric conversion efficiency forms.
4. according to a kind of domestic wind and light complementary grid-connected system claimed in claim 1, it is characterized in that: the rated capacity of described photovoltaic combining inverter (3) is 5kW, and its direct voltage input range is 300～650V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320666854.4U CN203722248U (en) | 2013-10-27 | 2013-10-27 | Household wind-solar complementary grid-connected power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320666854.4U CN203722248U (en) | 2013-10-27 | 2013-10-27 | Household wind-solar complementary grid-connected power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722248U true CN203722248U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320666854.4U Expired - Fee Related CN203722248U (en) | 2013-10-27 | 2013-10-27 | Household wind-solar complementary grid-connected power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765298A (en) * | 2015-03-30 | 2015-07-08 | 无锡清莲新能源科技有限公司 | Energy forecasting and intelligent maintaining system and maintaining method |
| CN112928776A (en) * | 2021-03-10 | 2021-06-08 | 苏州源源机械设备有限公司 | Control method of wind driven generator grid-connected system |
-
2013
- 2013-10-27 CN CN201320666854.4U patent/CN203722248U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765298A (en) * | 2015-03-30 | 2015-07-08 | 无锡清莲新能源科技有限公司 | Energy forecasting and intelligent maintaining system and maintaining method |
| CN112928776A (en) * | 2021-03-10 | 2021-06-08 | 苏州源源机械设备有限公司 | Control method of wind driven generator grid-connected system |
| CN112928776B (en) * | 2021-03-10 | 2023-10-31 | 苏州源源机械设备有限公司 | Control method of wind driven generator grid-connected system |
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Legal Events
| 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 |
Granted publication date: 20140716 Termination date: 20141027 |
|
| EXPY | Termination of patent right or utility model |