CN202678984U - Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings - Google Patents

Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings Download PDF

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Publication number
CN202678984U
CN202678984U CN2012203765675U CN201220376567U CN202678984U CN 202678984 U CN202678984 U CN 202678984U CN 2012203765675 U CN2012203765675 U CN 2012203765675U CN 201220376567 U CN201220376567 U CN 201220376567U CN 202678984 U CN202678984 U CN 202678984U
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CN
China
Prior art keywords
solar
civil buildings
solar photovoltaic
grid
load
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012203765675U
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Chinese (zh)
Inventor
聂振超
区永恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG HUIYING ELECTRIC POWER ENGINEERING CO LTD
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GUANGDONG HUIYING ELECTRIC POWER ENGINEERING CO LTD
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Priority to CN2012203765675U priority Critical patent/CN202678984U/en
Application granted granted Critical
Publication of CN202678984U publication Critical patent/CN202678984U/en
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Expired - Fee Related legal-status Critical Current

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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
    • Y02B10/10Photovoltaic [PV]
    • 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

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  • Photovoltaic Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model discloses a solar photovoltaic system applied to grid-connected power supply of a large-size civil building. The solar photovoltaic system comprises a solar photovoltaic matrix arranged on a peripheral structure surface of the large-size civil building, a controller, a grid-connected inverter and an alternating current load; and the solar photovoltaic system disclosed by the utility model is used for directly converting direct current from the solar photovoltaic matrix into alternating current through the grid-connected inverter and outputting the alternating current to a civil building distribution system in a grid-connected manner, so that the household solar system utilizing storage batteries is changed so as to meet the demands of illumination, air conditioners and electric appliances of a security room of the civil building, thereby not only improving the economic benefit and the social benefit of the civil building and realizing the active energy-saving effect of the building, but also playing a demonstrative function on the generalization of environmental-friendly solar energy in the nation.

Description

Be applied to the solar energy photovoltaic system that large-scale civil buildings are incorporated into the power networks and power
Technical field
The utility model relates to a kind of solar energy photovoltaic system.
Background technology
The popular feelings that deepens continuously along with the green energy resource theory, people more and more pay attention to for the green energy resource of environmental protection, in the existing solar energy system, mainly be by at the comparatively sufficient ad-hoc location of solar energy solar energy power generating equipment or solar power generation house being set, if and the heliotechnics of green will be generalized in the middle of the users, then need solar energy photovoltaic system is applied in the middle of the large-scale civil buildings, and it is carried out adaptive transformation, existing domestic solar electricity generation system is to be connected with storage battery by the photovoltaic change-over panel, by the electric energy of battery stores through conversion, directly use in use the electric energy in the storage battery to reach the purpose of utilizing solar energy, but this domestic solar electricity generation system is only applicable to single family middle and small scale to be used, if be equipped with a set of equipment in each family, not only price is high, and cost is large, is not implemented in the unified solar energy photovoltaic system that uses in the large-scale civil buildings.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to provide a kind of and uses in large-scale house owed by a citizen, is easy to promote, be applied to the solar energy photovoltaic system that large-scale civil buildings are incorporated into the power networks and power.
The technical scheme that the invention for solving the technical problem adopts is:
Be applied to the be incorporated into the power networks solar energy photovoltaic system of power supply of large-scale civil buildings, comprise the photovoltaic square formation that is arranged on large-scale civil buildings peripheral structure surface, be used for the control system operation controller, be used for the combining inverter of photovoltaic cell converting electrical energy and be connected to the be incorporated into the power networks AC load of connection of Distribution System in Civil Buildings; Described controller links to each other with combining inverter with the photovoltaic square formation respectively, and the output of described combining inverter is connected with AC load, and AC load links to each other with house owed by a citizen distribution transformer low-pressure line-outgoing end.
The utility model photovoltaic system is by installing the photovoltaic square formation on large-scale civil buildings peripheral structure surface, utilize controller the photovoltaic square formation to be carried out control and the Based Intelligent Control of multichannel order, and by combining inverter the direct current from the photovoltaic square formation is carried out the conversion of reliable efficient, wherein combining inverter adopts the maximal power tracing technology, can send into the electric energy of photovoltaic cell conversion in the distribution system by AC load to greatest extent, wherein the alternating current of combining inverter is connected to distribution transformer low pressure appearance end by AC load, realized being coupled to each other between photovoltaic system and the civil buildings, the power supply of being incorporated into the power networks.
Preferably, the inverter direct-current component of presenting to electrical network is no more than it and exchanges 1% of rated value.
Preferably, described photovoltaic square formation mainly uses monocrystalline silicon as its primary raw material.The efficient of its opto-electronic conversion is high than other materials.
Further, also comprise the solar-energy photo-voltaic cell group, the solar-energy photo-voltaic cell group links to each other with controller.The solar-energy photo-voltaic cell group is used for the electric energy of storage after photovoltaic square formation photoelectricity turns, and carries out emergency service and use when outage or power failure.
Further, also comprise the DC load for output dc voltage, described DC load is connected with controller.Controller can be controlled voltage by the DC load output dc voltage, and the direct current electrical equipment in the building for civilian use uses.
The beneficial effects of the utility model are: the utility model directly will be incorporated into the power networks from the converting direct-current power into alternating-current power of photovoltaic square formation by combining inverter and output to Distribution System in Civil Buildings, changed the domestic solar system that in the past adopts storage battery, satisfy the needs of civil building intraoral illumination, air-conditioning, room security power consumption equipment, can not only improve economic benefit and the social benefit of large-scale civil buildings, realize the energy-conservation effect of building active, and play exemplary effect for promoting the solar energy green energy resource in China.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and example.
Fig. 1 is the systematic schematic diagram of the utility model solar energy photovoltaic system.
Embodiment
With reference to shown in Figure 1, the be incorporated into the power networks solar energy photovoltaic system of power supply of large-scale civil buildings that is applied to of the present utility model, comprise the photovoltaic square formation 1 that is arranged on large-scale civil buildings peripheral structure surface, be used for the control system operation controller 2, be used for the combining inverter 3 of photovoltaic cell converting electrical energy and be connected to the be incorporated into the power networks AC load 4 of connection of Distribution System in Civil Buildings; Described controller 2 links to each other with combining inverter 3 with photovoltaic square formation 1 respectively, and the output of described combining inverter 3 is connected with AC load 4, and AC load 4 links to each other with house owed by a citizen distribution transformer low-pressure line-outgoing end.
The utility model photovoltaic system is by installing photovoltaic square formation 1 on large-scale civil buildings peripheral structure surface, utilize 2 pairs of photovoltaic square formations of controller 1 to carry out control and the Based Intelligent Control of multichannel order, and carry out the conversion of reliable efficient by 3 pairs of direct currents from photovoltaic square formation 1 of combining inverter, wherein combining inverter 3 adopts the maximal power tracing technology, can send into the electric energy of photovoltaic cell conversion in the distribution system by AC load 4 to greatest extent, wherein the alternating current of combining inverter 3 is connected to distribution transformer low pressure appearance end by AC load 4, realized being coupled to each other between photovoltaic system and the civil buildings, the power supply of being incorporated into the power networks.
The utility model directly will be incorporated into the power networks from the converting direct-current power into alternating-current power of photovoltaic square formation 1 by combining inverter 3 and output to Distribution System in Civil Buildings, changed the domestic solar system that in the past adopts storage battery, satisfy the needs of civil building intraoral illumination, air-conditioning, room security power consumption equipment, can not only improve economic benefit and the social benefit of large-scale civil buildings, realize the energy-conservation effect of building active, and play exemplary effect for promoting the solar energy green energy resource in China.
Described controller 2 is intelligent controller; its inside is provided with thermal control compensate circuit; can automatically cut off loading functional; automatically recover the function to load supplying; and can bear the circuit protection of any load short circuits; can bear the circuit protection of charge controller 2 internal short-circuits, can bear because thunderbolt causes the circuit protection of puncture.
Described combining inverter 3 merits are when operating current overrate 150%, and inverter can be protected automatically.After electric current recovered normally, equipment can drop into normal operation automatically.
During normal operation, the three-phase voltage permissible variation of photovoltaic system and electrical network interface is rated voltage ± 7%, and exemplary frequency deviation values is at ± 0. 5 Hz, and the imbalance of three-phase voltage degree is no more than 2% of permissible value, be no more than in short-term 4%, the harmonic content of generation meets the correlation technique requirement.When electrical network decompression that photovoltaic system is incorporated into, can automatically with photovoltaic system and electrical network disconnection within the time limit of regulation, prevent island effect.
Preferably, the inverter direct-current component of presenting to electrical network is no more than it and exchanges 1% of rated value.
Preferably, the described photovoltaic square formation 1 main monocrystalline silicon that uses is as its primary raw material.The efficient of its opto-electronic conversion is high than other materials.
Further, also comprise solar-energy photo-voltaic cell group 5, solar-energy photo-voltaic cell group 5 links to each other with controller 2.Solar-energy photo-voltaic cell group 5 is used for the electric energy of storage after photovoltaic square formation 1 photoelectricity turns, and carries out emergency service and use when outage or power failure.
Further, also comprise the DC load 6 for output dc voltage, described DC load 6 is connected with controller 2.Controller 2 can be controlled voltage by DC load 6 output dc voltages, and the direct current electrical equipment in the building for civilian use uses.
The above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.

Claims (3)

1. be applied to the be incorporated into the power networks solar energy photovoltaic system of power supply of large-scale civil buildings, it is characterized in that: comprise the photovoltaic square formation (1) that is arranged on large-scale civil buildings peripheral structure surface, be used for the control system operation controller (2), be used for the combining inverter (3) of photovoltaic cell converting electrical energy and be connected to the be incorporated into the power networks AC load (4) of connection of Distribution System in Civil Buildings; Described controller (2) links to each other with combining inverter (3) with photovoltaic square formation (1) respectively, and the output of described combining inverter (3) is connected with AC load (4), and AC load (4) links to each other with house owed by a citizen distribution transformer low-pressure line-outgoing end.
According to claim 1 be applied to large-scale civil buildings be incorporated into the power networks the power supply solar energy photovoltaic system, it is characterized in that: also comprise solar-energy photo-voltaic cell group (5), solar-energy photo-voltaic cell group (5) links to each other with controller (2).
According to claim 1 be applied to large-scale civil buildings be incorporated into the power networks the power supply solar energy photovoltaic system, it is characterized in that: also comprise the DC load (6) for output dc voltage, described DC load (6) is connected with controller (2).
CN2012203765675U 2012-07-30 2012-07-30 Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings Expired - Fee Related CN202678984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012203765675U CN202678984U (en) 2012-07-30 2012-07-30 Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012203765675U CN202678984U (en) 2012-07-30 2012-07-30 Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings

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CN202678984U true CN202678984U (en) 2013-01-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103560537A (en) * 2013-10-10 2014-02-05 国家电网公司 Area distribution photovoltaic power supply grid-connected system and control method of area distribution photovoltaic power supply grid-connected system
CN103856150A (en) * 2014-03-31 2014-06-11 宋旭 Independent direct-current photovoltaic power generation system in building
CN104734627A (en) * 2013-12-18 2015-06-24 中国中元国际工程有限公司 Large building solar photovoltaic power generation device
CN113909118A (en) * 2021-11-04 2022-01-11 唐山神州机械集团有限公司 Zero-carbon intelligent coal dressing process and system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103560537A (en) * 2013-10-10 2014-02-05 国家电网公司 Area distribution photovoltaic power supply grid-connected system and control method of area distribution photovoltaic power supply grid-connected system
CN104734627A (en) * 2013-12-18 2015-06-24 中国中元国际工程有限公司 Large building solar photovoltaic power generation device
CN103856150A (en) * 2014-03-31 2014-06-11 宋旭 Independent direct-current photovoltaic power generation system in building
CN113909118A (en) * 2021-11-04 2022-01-11 唐山神州机械集团有限公司 Zero-carbon intelligent coal dressing process and system
CN113909118B (en) * 2021-11-04 2024-01-26 唐山神州机械集团有限公司 Zero-carbon intelligent coal dressing process and system

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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: 20130116

Termination date: 20160730