CN106451774A - Multifunctional intelligent dialing power distribution system of distributed type photovoltaic power station - Google Patents

Multifunctional intelligent dialing power distribution system of distributed type photovoltaic power station Download PDF

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Publication number
CN106451774A
CN106451774A CN201610894103.6A CN201610894103A CN106451774A CN 106451774 A CN106451774 A CN 106451774A CN 201610894103 A CN201610894103 A CN 201610894103A CN 106451774 A CN106451774 A CN 106451774A
Authority
CN
China
Prior art keywords
residual current
box body
casing
breaker
current monitoring
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.)
Granted
Application number
CN201610894103.6A
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Chinese (zh)
Other versions
CN106451774B (en
Inventor
郭学强
李凤贤
高越
王善东
姜燕
岳斌
乔学芹
曹林林
冯殿新
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.)
Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Original Assignee
Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co, State Grid Corp of China SGCC filed Critical Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co
Priority to CN201610894103.6A priority Critical patent/CN106451774B/en
Publication of CN106451774A publication Critical patent/CN106451774A/en
Application granted granted Critical
Publication of CN106451774B publication Critical patent/CN106451774B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/46—Boxes; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • 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
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems 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
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/248—UPS systems or standby or emergency generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Photovoltaic Devices (AREA)
  • Emergency Alarm Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a multifunctional power failure intelligent dialing alarm power distribution system of a distributed type photovoltaic power station. The system comprises a power distribution box body, an automatic dialer, a metering box body and a residual current monitoring box body, wherein the automatic dialer is arranged inside the box body; a residual current automatic reclosing lock circuit breaker is arranged inside the residual current monitoring box body; and the power distribution box body, the metering box body and the residual current monitoring box body are connected in series through an alternative-current cable. The system is characterized in that the inlet end of the power distribution box body is connected with the alternative-current wiring end of a photovoltaic inverter through an alternative-current cable; the outgoing end of the power distribution box body is connected with the inlet end of the metering box body through another alternative-current cable; the outgoing end of the metering box body is connected with the residual current monitoring box body through another alternative current cable; and the outgoing end of the residual current monitoring box body is connected with a national grid low-voltage side (380V/220V) through another alternative-current cable. According to the invention, when a power distribution network of the grid system is in power failure, a generating unit and commercial power can be automatically disconnected, so that the labor cost is reduced, and the security coefficient is higher.

Description

A kind of photovoltaic power station multifunctional intellectual dialing distribution system
Technical field
The present invention relates to electrical equipment technical field, specifically a kind of photovoltaic power station multifunctional intellectual dialing Distribution system.
Background technology
In network system, the fault of power distribution network is likely to occur at any time at present, and photovoltaic power station is disperseed as one Formula generator unit, be not easy to manage concentratedly, if repair personnel artificial go disconnect each distribution photovoltaic plant access point, There is carelessness unavoidably, certainly will lose time, increase workload, affect network system power distribution network emergency repair time.Inside photovoltaic DC-to-AC converter Although there being anti-isolated island function, equipment runs can have aging circuit long neglected and in disrepair unavoidably, and some functions lose defencive function, if light Volt inverter internal anti-isolated island module damage, when repair personnel carries out therefore overhauls in grid side, photovoltaic generation unit could not realize city Due isolated island effect prevention after electric power-off, it will directly affect the personal safety of power distribution network repair personnel in network system.Photovoltaic In generator unit, photovoltaic module and inverter operationally can produce residual current as electronic component, and power generating quality also has Change by a small margin, will affect power grid quality when changing greatly in a certain moment.
Content of the invention
The distribution system it is an object of the invention to provide a kind of photovoltaic power station multifunctional intellectual dials, for ensureing The transmission of electricity safety of power circuit.
The present invention solves its technical problem and is adopted the technical scheme that：A kind of multi-functional power-off intelligence of photovoltaic power station Can dialing alarm distribution system, it include distributing box, autodialer, metering casing, residual current monitoring casing, described from Dynamic dialer is arranged in casing, and residual current autoreclose breaker is arranged in residual current monitoring casing, distribution box Body, metering casing, residual current monitoring casing pass through to exchange cable series connection, it is characterized in that：Described distributing box end of incoming cables leads to Cross exchange cable to be connected with photovoltaic DC-to-AC converter AC terminal, the leading-out terminal of distributing box passes through to hand over metering casing end of incoming cables Streamline cable is connected, and the leading-out terminal of metering casing is connected with residual current monitoring casing by exchanging cable, and residual current is supervised Control casing leading-out terminal is connected by exchanging cable with state's net low-pressure side (380V/220V).
Further, in described distributing box, electric device comprises disconnecting link formula and substantially disconnects switch, Fuse Type breaker, Zero terminal row, grounding terminal block, Surge Protector, binding post, mold cased circuit breaker, no-voltage trip, no-voltage trip is installed It is connected with breaker of plastic casing grid side in mold cased circuit breaker inner lead；Telephone wire is passed through in described autodialer one end It is connected with landline telephone.
Further, described metering box house installs two breakers, and gauge table, information acquisition terminal are separately mounted to The surface of metering two air switch of box house.
Further, described residual current monitoring box house installs a residual current autoreclose breaker.
Further, the top of described autodialer shell be a telephone wire crystal connector for telephone wire Connect, lower section be 6 lines junction block for connect various antitheft or fire prevention etc. detector, the right two line be open circuit triggering Mouthful, it is connected to by a wire in product export, just trigger auto dialing once open circuit；Middle two lines are closed circuit triggering mouths, Once closed circuit just triggering auto dialing；The left side two line be indicate "+" "-" mark current potential triggering mouth, once occur more than 1.5 volts Current potential just trigger auto dialing.
Further, described residual current monitoring box house installs a set of residual current autoreclose breaker, Residual current autoreclose breaker end of incoming cables is connected with state net low-pressure side by exchanging cable, residual current automatic reclosing Lock breaker is connected with metering casing leading-out terminal air switch by exchanging cable.
The invention has the beneficial effects as follows：It is single that the present invention can realize automatic disengagement generating when network system power distribution network has a power failure Yuan Yu city electrically connects, and decreases cost of labor, safety coefficient is higher；And generator unit failed storage function, lightning protection can be realized Hit function, anti-overflow function, anti-overvoltage function, anti-leakage function, real time automatic detection monitoring power generating quality, automatic dialing alarm Prompting function, improves the feature that generator unit feeds safety and quality.
Brief description
Fig. 1 is a kind of structural representation of photovoltaic power station multifunctional intellectual dialing distribution system；
Fig. 2 is distributing box internal wiring structural representation；
Fig. 3 is metering box house conspectus；
Fig. 4 is front schematic view and the side schematic view of residual current autoreclose breaker；
Fig. 5 is residual current autoreclose breaker external terminal connection diagram；
In figure：1st, disconnecting link formula substantially disconnects switch, and 2, band no-voltage trip breaker of plastic casing, 3, Fuse Type breaker, 4, wave Surge protector, 5, autodialer, 501, current potential triggering mouth, 502, closed circuit triggering mouth, 503, open circuit triggering mouth, 6, execute unit Part, 7, residual current autoreclose breaker, 701, electric power incoming line terminal, 702, power outlet terminal, 703, digital-scroll technique Window, 704, power switch, 705, function button, 706, divide-shut brake instruction, 707, functional indicator light, 708, external separating brake/conjunction Lock and PORT COM.
Specific embodiment
With reference to Fig. 1 to Fig. 5, the present invention is described in detail below.
A kind of photovoltaic power station multi-functional power-off intelligent dialing alarm function distribution system of the present invention, its structure includes joining Electronic box body, autodialer 5, metering casing, residual current monitoring casing, autodialer is arranged in distributing box, remaining Electric current autoreclose breaker 7 is arranged in residual current monitoring casing, distributing box, metering casing, residual current monitoring Casing passes through to exchange cable series connection, and the direct current that photovoltaic plant sends the most at last is converted into alternating current by inverter, by this Intelligent distribution system is incorporated to state's net low-pressure side.Distributing box end of incoming cables is passed through to exchange cable and photovoltaic DC-to-AC converter AC terminal phase Connect, the leading-out terminal of distributing box is connected by exchanging cable with metering casing end of incoming cables, the leading-out terminal of metering casing passes through Exchange cable is connected with residual current monitoring casing, residual current monitoring casing leading-out terminal and state net low-pressure side (380V/ 220V) it is connected by exchanging cable.
In distributing box electric device comprise disconnecting link formula substantially disconnect switch 1, Fuse Type breaker 3, zero terminal row, connect Ground terminal block, Surge Protector 4, binding post, mold cased circuit breaker, no-voltage trip, no-voltage trip is arranged on plastic shell open circuit Device inner lead is connected with breaker of plastic casing grid side.Autodialer one end is connected with landline telephone by telephone wire.Meter Amount box house installs two breakers, and gauge table, information acquisition terminal are separately mounted to measure two air switch of box house Surface.Residual current monitoring box house installs a residual current autoreclose breaker 7.Residual current automatic reclosing Lock breaker 7 be provided with electric power incoming line terminal 701 power outlet terminal, 702, digital-scroll technique window 703, power switch 704, work( Energy button 705, divide-shut brake instruction 706, functional indicator light 707 and external separating brake/combined floodgate and PORT COM 708.In surge protection It is provided with executive component 6, executive component is electrically connected with Surge Protector and autodialer by wire between device and autodialer Connect.
The top of autodialer shell be a telephone wire crystal connector for being connected with telephone wire, lower section is one The junction block of 6 lines be used for connect various antitheft or fire prevention etc. detector：The right two lines are open circuit triggering mouths 503, go out in product It is connected to by a wire during factory, just trigger auto dialing once open circuit.Middle two lines are closed circuit triggering mouths 502, once closed circuit Just triggering auto dialing.The left side two line be indicate "+" the current potential triggering mouth 501 of "-" mark, once more than 1.5 volts of electricity occurs Auto dialing is just triggered in position.Thus realizing auto dialing after power-off to remind user, understand power station ruuning situation in time.Residual current A set of residual current autoreclose breaker is installed inside monitoring box body, residual current autoreclose breaker end of incoming cables leads to Cross exchange cable to be connected with state net low-pressure side, residual current autoreclose breaker goes out with measuring casing by exchanging cable Line end air switch is connected；Thus realizing automatic detection photovoltaic power station power generation quality, realizing fault and automatically disconnecting generator unit, preventing Pollution utility grid quality.
The present invention can be realized when network system power distribution network has a power failure automatically disengaging generator unit and be electrically connected with city, decrease Cost of labor, safety coefficient is higher；And generator unit failed storage function, anti-lightning strike function, anti-overflow function can be realized, prevent Over-pressed function, anti-leakage function, real time automatic detection monitoring power generating quality, automatic dialing alarm prompting function, improve the list that generates electricity Unit's feed safety and the feature of quality.

Claims (6)

1. the multi-functional power-off intelligent dialing alarm function distribution system of a kind of photovoltaic power station, it includes distributing box, automatic poking Number device, metering casing, residual current monitoring casing, described autodialer is arranged in casing, residual current automatic reclosing Breaker is arranged in residual current monitoring casing, and distributing box, metering casing, residual current monitoring casing pass through to exchange cable Series connection, is characterized in that：Described distributing box end of incoming cables is connected with photovoltaic DC-to-AC converter AC terminal by exchanging cable, joins The leading-out terminal of electronic box body is connected by exchanging cable with metering casing end of incoming cables, and the leading-out terminal of metering casing passes through to exchange cable It is connected with residual current monitoring casing, residual current monitoring casing leading-out terminal and state's net low-pressure side (380V/220V) pass through to hand over Streamline cable is connected.
2. the multi-functional power-off intelligent dialing alarm function distribution system of a kind of photovoltaic power station according to claim 1, its Feature is, in described distributing box, electric device comprises disconnecting link formula and substantially disconnects switch, Fuse Type breaker, zero terminal Row, grounding terminal block, Surge Protector, binding post, mold cased circuit breaker, no-voltage trip, no-voltage trip is arranged on plastic shell Circuit breaker internal lead is connected with breaker of plastic casing grid side；Telephone wire and fixing electricity are passed through in described autodialer one end Words connect.
3. the multi-functional power-off intelligent dialing alarm function distribution system of a kind of photovoltaic power station according to claim 1, its Feature is that described metering box house installs two breakers, and gauge table, information acquisition terminal are separately mounted in batch meter body The surface of two air switch in portion.
4. the multi-functional power-off intelligent dialing alarm function distribution system of a kind of photovoltaic power station according to claim 1, its Feature is that described residual current monitoring box house installs a residual current autoreclose breaker.
5. the multi-functional power-off intelligent dialing alarm function distribution system of a kind of photovoltaic power station according to claim 1, its Feature is, the top of described autodialer shell be a telephone wire crystal connector for being connected with telephone wire, lower section Be 6 lines junction block for connect various antitheft or fire prevention etc. detector, the right two line be open circuit triggering mouth, in product It is connected to by a wire when dispatching from the factory, just trigger auto dialing once open circuit；Middle two lines are closed circuit triggering mouths, once closed circuit just Triggering auto dialing；The left side two line be indicate "+" the current potential triggering mouth of "-" mark, just touch once more than 1.5 volts of current potential occurs Send out auto dialing.
6. the multi-functional power-off intelligent dialing alarm function distribution system of a kind of photovoltaic power station according to claim 1, its Feature is that described residual current monitoring box house installs a set of residual current autoreclose breaker, and residual current is certainly Dynamic reclosing breaker end of incoming cables is connected with state net low-pressure side by exchanging cable, and residual current autoreclose breaker is logical Cross exchange cable to be connected with metering casing leading-out terminal air switch.
CN201610894103.6A 2016-10-13 2016-10-13 A kind of photovoltaic power station multifunctional intellectual dialing distribution system Expired - Fee Related CN106451774B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610894103.6A CN106451774B (en) 2016-10-13 2016-10-13 A kind of photovoltaic power station multifunctional intellectual dialing distribution system

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Application Number Priority Date Filing Date Title
CN201610894103.6A CN106451774B (en) 2016-10-13 2016-10-13 A kind of photovoltaic power station multifunctional intellectual dialing distribution system

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CN106451774B CN106451774B (en) 2019-07-02

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201927991U (en) * 2010-09-27 2011-08-10 傅仰取 Wireless warning device of electrical leakage protector
CN203553638U (en) * 2013-11-01 2014-04-16 深圳市支上新能源有限公司 Distribution type photovoltaic grid-connected power distribution cabinet
CN204242338U (en) * 2014-10-22 2015-04-01 河南省三禾电气有限公司 A kind of distribution antitheft indicator
CN204793654U (en) * 2015-06-02 2015-11-18 江苏四叶草新能源科技有限公司 Intelligence grid -connected PV control protection equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201927991U (en) * 2010-09-27 2011-08-10 傅仰取 Wireless warning device of electrical leakage protector
CN203553638U (en) * 2013-11-01 2014-04-16 深圳市支上新能源有限公司 Distribution type photovoltaic grid-connected power distribution cabinet
CN204242338U (en) * 2014-10-22 2015-04-01 河南省三禾电气有限公司 A kind of distribution antitheft indicator
CN204793654U (en) * 2015-06-02 2015-11-18 江苏四叶草新能源科技有限公司 Intelligence grid -connected PV control protection equipment

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