CN202197142U - Solar photovoltaic power generation and commercial power mutual standby system - Google Patents

Solar photovoltaic power generation and commercial power mutual standby system Download PDF

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Publication number
CN202197142U
CN202197142U CN2011203039768U CN201120303976U CN202197142U CN 202197142 U CN202197142 U CN 202197142U CN 2011203039768 U CN2011203039768 U CN 2011203039768U CN 201120303976 U CN201120303976 U CN 201120303976U CN 202197142 U CN202197142 U CN 202197142U
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China
Prior art keywords
load
power supply
load double
solar energy
supply converting
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Expired - Fee Related
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CN2011203039768U
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Chinese (zh)
Inventor
马晓峰
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FUJIAN SUNSENSE TECHNOLOGY Co Ltd
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FUJIAN SUNSENSE TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Abstract

The utility model discloses a solar photovoltaic power generation and commercial power mutual standby system comprising a solar photovoltaic power generation line, a commercial power line, a DC (Direct Current) load double-power change-over switch and an AC (Alternating Current) load double-power change-over switch, wherein the solar photovoltaic power generation line is connected with a contact at one side of the DC load double-power change-over switch, the commercial power line is connected with a contact at the other side of the DC load double-power change-over switch through a rectifier, the DC load double-power change-over switch is connected with a DC load; and the solar photovoltaic power generation line is connected with a contact at one side of the AC load double-power change-over switch through an inverter, the commercial power line is connected with a contact at the other side of the AC load double-power change-over switch, and the AC load double-power change-over switch is connected with an AC load. The solar photovoltaic power generation and commercial power mutual standby system can be widely applied in urban neighborhoods, and can make the solar photovoltaic power generation and a urban network supplement to each other, thereby effectively raising reliability and practicality of solar power generation.

Description

Solar energy power generating and civil power be back-up system each other
Technical fieldThe utility model relates to the solar energy power generating comprehensive utilization technique, relates in particular to a kind of solar energy power generating that can between solar energy or urban distribution network, switch flexibly and supply power for AC load and DC load and civil power back-up system each other.
Background technologyThe worsening shortages of the energy makes each country all be devoted to construction of energy conservation-minded society; Solar energy is because it is pollution-free; Renewable, characteristics such as inexhaustible have obtained using widely, and independently solar electric power supply system mainly adopts storage battery to come storage power; But because weather or other reasons in time do not charge, storage battery can be in over-discharge state and can not be electric when storage battery.For many household electrical appliance; Need power supply continuously; This just needs and can between solar energy power generating and urban distribution network, switch flexibly; And two kinds of supply power modes all want to satisfy simultaneously the electricity consumption requirement of AC load and DC load, just are unlikely to the interruption that damages electric equipment or cause power supply.
Summary of the inventionThe purpose of the utility model provides a kind of can be between solar power generation and civil power the switching flexibly, and can be solar energy power generating and the civil power back-up system each other of AC and DC electric simultaneously.
For realizing above-mentioned purpose; Solar energy power generating of the utility model and civil power back-up system each other comprise solar energy power generating circuit, line, DC load double power supply converting switch and AC load double power supply converting switch; Described solar energy power generating circuit comprises photovoltaic array, header box, solar charging controller, the storage battery that connects in regular turn, and described line is by outside city ring network power supply;
The solar energy power generating circuit is connected with DC load double power supply converting switch one side contact, and line is connected with DC load double power supply converting switch opposite side contact through rectifier, and the DC load double power supply converting switch is connected with DC load;
The solar energy power generating circuit is connected with AC load double power supply converting switch one side contact through inverter, and line is connected with AC load double power supply converting switch opposite side contact, and the AC load double power supply converting switch is connected with AC load.
Adopt above design, when the battery power in the solar energy power generating circuit exhausted, direct current and AC load double power supply converting switch can jump to rapidly on the line automatically, are each electric by urban distribution network, with the continuity of guaranteeing to supply power; When treating the power recovery of storage battery in the solar energy power generating circuit, redirect takes place in direct current and AC load double power supply converting switch again, by solar powered, thereby has saved energy resource consumption effectively.Simultaneously, owing between solar energy power generating circuit and AC load, be provided with inverter, it can provide the supply of electric power of coupling for AC load; Be provided with rectifier between line and the DC load, it can provide the supply of electric power of coupling for DC load.
Be provided with the direct current protecting switch between solar energy power generating circuit of the utility model and inverter and the DC load double power supply converting switch, be provided with between inverter and the AC load double power supply converting switch and exchange protection switch.Be provided with between the line of the utility model and rectifier and the AC load double power supply converting switch and exchange protection switch.Adopt above design, the direct current protecting switch with exchange power supply reliability and the Electrical Safety that protection switch can fully ensure this system.
---(one) renewable and clean energy resource---1, solar energy---solar photovoltaic technology (182 sections) in " state key support high-technology field catalogue ": six, new forms of energy and power-saving technology; Wherein lay special stress on is encouraged and development photovoltaic generation comprehensive utilization technique, explain national the above type of skill to be given the emphasis support.Solar energy power generating of the utility model and civil power back-up system each other meet the above type of skill fully.
Therefore, solar energy power generating of the utility model and civil power back-up system each other belong to the high-technology field that state key is supported, should supported and popularization.
Compared with prior art, solar energy power generating of the utility model and civil power back-up system each other can be widely used in the urban cells, make solar energy power generating and urban distribution network complement one another, and have improved the reliability and the practicality of solar power generation effectively.
Description of drawingsBelow in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 1 is the utility model solar energy power generating and the civil power structural representation of back-up system each other.
EmbodimentAs shown in Figure 1; Solar energy power generating of the utility model and civil power back-up system each other comprise solar energy power generating circuit 1, line 2, DC load double power supply converting switch 3 and AC load double power supply converting switch 4; Described solar energy power generating circuit 1 comprises photovoltaic array 11, header box 12, solar charging controller 13, the storage battery 14 that connects in regular turn, and described line 2 is by outside city ring network power supply;
Solar energy power generating circuit 1 is connected with DC load double power supply converting switch 3 one side contacts, and line 2 is connected with DC load double power supply converting switch 3 opposite side contacts through rectifier 21, and DC load double power supply converting switch 3 is connected with DC load 5;
Solar energy power generating circuit 1 is connected with AC load double power supply converting switch 4 one side contacts through inverter 15, and line 2 is connected with AC load double power supply converting switch 4 opposite side contacts, and AC load double power supply converting switch 4 is connected with AC load 6.
Adopt above design, when the battery power in the solar energy power generating circuit exhausted, direct current and AC load double power supply converting switch can jump to rapidly on the line automatically, are each electric by urban distribution network, with the continuity of guaranteeing to supply power; When treating the power recovery of storage battery in the solar energy power generating circuit, redirect takes place in direct current and AC load double power supply converting switch again, by solar powered, thereby has saved energy resource consumption effectively.Simultaneously, owing between solar energy power generating circuit and AC load, be provided with inverter, it can provide the supply of electric power of coupling for AC load; Be provided with rectifier between line and the DC load, it can provide the supply of electric power of coupling for DC load.
Be provided with direct current protecting switch 16 between solar energy power generating circuit 1 of the utility model and inverter 15 and the DC load double power supply converting switch 3, be provided with between inverter 15 and the AC load double power supply converting switch 4 and exchange protection switch 17.Be provided with between the line 2 of the utility model and rectifier 21 and the AC load double power supply converting switch 4 and exchange protection switch 22.Adopt above design, the direct current protecting switch with exchange power supply reliability and the Electrical Safety that protection switch can fully ensure this system.

Claims (3)

1. solar energy power generating and civil power back-up system each other; It is characterized in that: it comprises solar energy power generating circuit, line, DC load double power supply converting switch and AC load double power supply converting switch; Described solar energy power generating circuit comprises photovoltaic array, header box, solar charging controller, the storage battery that connects in regular turn, and described line is by outside city ring network power supply;
The solar energy power generating circuit is connected with DC load double power supply converting switch one side contact, and line is connected with DC load double power supply converting switch opposite side contact through rectifier, and the DC load double power supply converting switch is connected with DC load;
The solar energy power generating circuit is connected with AC load double power supply converting switch one side contact through inverter, and line is connected with AC load double power supply converting switch opposite side contact, and the AC load double power supply converting switch is connected with AC load.
2. solar energy power generating according to claim 1 and civil power be back-up system each other; It is characterized in that: be provided with the direct current protecting switch between described solar energy power generating circuit and inverter and the DC load double power supply converting switch, be provided with between inverter and the AC load double power supply converting switch and exchange protection switch.
3. solar energy power generating according to claim 1 and civil power be back-up system each other, it is characterized in that: be provided with between described line and rectifier and the AC load double power supply converting switch and exchange protection switch.
CN2011203039768U 2011-08-20 2011-08-20 Solar photovoltaic power generation and commercial power mutual standby system Expired - Fee Related CN202197142U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203039768U CN202197142U (en) 2011-08-20 2011-08-20 Solar photovoltaic power generation and commercial power mutual standby system

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Application Number Priority Date Filing Date Title
CN2011203039768U CN202197142U (en) 2011-08-20 2011-08-20 Solar photovoltaic power generation and commercial power mutual standby system

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485727A (en) * 2014-12-26 2015-04-01 广州市香港科大霍英东研究院 Off-grid photovoltaic power generation energy storage system and energy dispatching method thereof
CN104734606A (en) * 2013-12-24 2015-06-24 珠海格力电器股份有限公司 Photovoltaic energy storage device and photovoltaic system
CN105119312A (en) * 2015-08-17 2015-12-02 广州市香港科大霍英东研究院 A photovoltaic energy storage scheduling method based on mixed integer non-linear programming
CN105656191A (en) * 2016-02-29 2016-06-08 覃义 Wind power distribution system
CN105656187A (en) * 2016-02-29 2016-06-08 覃义 Wind power supply system
CN105656189A (en) * 2016-02-29 2016-06-08 覃义 Power distribution system
CN105656190A (en) * 2016-02-29 2016-06-08 覃义 Photovoltaic power distribution system
CN105656188A (en) * 2016-02-29 2016-06-08 覃义 Wind power generation and distribution system
CN108032486A (en) * 2018-01-10 2018-05-15 海天塑机集团有限公司 A kind of dual power supply injection (mo(u)lding) machine
CN109390968A (en) * 2017-08-03 2019-02-26 絜静精微有限公司 Mixed type solar converting system
CN109546681A (en) * 2018-12-03 2019-03-29 珠海格力电器股份有限公司 Load grid-connecting apparatus and power supply system
WO2019184610A1 (en) * 2018-03-28 2019-10-03 山东科技大学 Access control device and method for domestic load based on renewable energy and mains power supply
CN111509834A (en) * 2020-05-20 2020-08-07 广东电网有限责任公司 Comprehensive energy alternating current-direct current dual-power supply system
CN111900793A (en) * 2020-08-21 2020-11-06 上海联影医疗科技有限公司 Power supply system, medical system and control method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104734606A (en) * 2013-12-24 2015-06-24 珠海格力电器股份有限公司 Photovoltaic energy storage device and photovoltaic system
CN104485727A (en) * 2014-12-26 2015-04-01 广州市香港科大霍英东研究院 Off-grid photovoltaic power generation energy storage system and energy dispatching method thereof
CN105119312A (en) * 2015-08-17 2015-12-02 广州市香港科大霍英东研究院 A photovoltaic energy storage scheduling method based on mixed integer non-linear programming
CN105656190A (en) * 2016-02-29 2016-06-08 覃义 Photovoltaic power distribution system
CN105656187A (en) * 2016-02-29 2016-06-08 覃义 Wind power supply system
CN105656189A (en) * 2016-02-29 2016-06-08 覃义 Power distribution system
CN105656191A (en) * 2016-02-29 2016-06-08 覃义 Wind power distribution system
CN105656188A (en) * 2016-02-29 2016-06-08 覃义 Wind power generation and distribution system
CN109390968A (en) * 2017-08-03 2019-02-26 絜静精微有限公司 Mixed type solar converting system
CN108032486A (en) * 2018-01-10 2018-05-15 海天塑机集团有限公司 A kind of dual power supply injection (mo(u)lding) machine
WO2019184610A1 (en) * 2018-03-28 2019-10-03 山东科技大学 Access control device and method for domestic load based on renewable energy and mains power supply
CN109546681A (en) * 2018-12-03 2019-03-29 珠海格力电器股份有限公司 Load grid-connecting apparatus and power supply system
CN111509834A (en) * 2020-05-20 2020-08-07 广东电网有限责任公司 Comprehensive energy alternating current-direct current dual-power supply system
CN111900793A (en) * 2020-08-21 2020-11-06 上海联影医疗科技有限公司 Power supply system, medical system and control method

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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: 20120418

Termination date: 20140820

EXPY Termination of patent right or utility model