CN201570912U - 10kV subdistrict power supply intelligent system - Google Patents

10kV subdistrict power supply intelligent system Download PDF

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CN201570912U
CN201570912U CN2009202976681U CN200920297668U CN201570912U CN 201570912 U CN201570912 U CN 201570912U CN 2009202976681 U CN2009202976681 U CN 2009202976681U CN 200920297668 U CN200920297668 U CN 200920297668U CN 201570912 U CN201570912 U CN 201570912U
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circuit
signal
voltage
output
signal data
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陈家斌
张露江
余翔
崔军朝
王柳
易保华
沈磊
陈蕾
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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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • 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
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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Abstract

The utility model relates to a 10kV subdistrict power supply intelligent system which comprises a signal data acquisition circuit, a signal data calculating and judging circuit, an equipment operation circuit, a fault processing method circuit, a wireless alarm transmission circuit and a wireless receiving circuit, wherein signal data acquired from a subdistrict power supply system is respectively connected with the signal data calculating and judging circuit and the wireless alarm transmission circuit; the output of the signal data calculating and judging circuit is respectively connected with the equipment operation circuit, the wireless alarm transmission circuit and the fault processing method circuit; the output of the fault processing method circuit is connected with the wireless alarm transmission circuit; the output of the equipment operation circuit is connected with the wireless alarm transmission circuit; and the wireless receiving circuit is connected with the equipment operation circuit. The 10kV subdistrict power supply intelligent system utilizes computer technology, monitoring technology, control technology and communication technology to develop a remote control system which is used for real-time state data detection and protection of a distribution transformer, a 10kV load switch and a 400V distribution system, thus having positive promoting function for developing power distribution intellectualization.

Description

10kV sub-district supply intelligent system
Technical field
The present invention relates to a kind of supply intelligent chemical control system technology, specifically, is a kind of application 10kV sub-district (platform district) supply intelligent system.
Background technology
The intelligent grid construction is carried out in electric power system at present comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management, intellectual analysis.The distribution intellectuality has only just begun starting, because a variety of causes fails to be generalizable always comprehensively, for sub-district supply intelligent chemical control system technical research, it also is the intelligentized popularization and application part of distribution, be primarily aimed at 10kV distribution transformer, 10kV on-load switch, reach following 400V distribution system, carry out Based Intelligent Control, intelligent management, intellectual analysis.
Sub-district supply intelligent chemical control system technical research construction, to play very big promotion to the power distribution system equipment safety and economic operation, at present the distribution transformer of operation, 10kV on-load switch, and below the 400V distribution system, owing to can not monitor in real time, basically be out of order, overhaul by user notification; Power supply quality is low, and device damage rate height if can be popularized sub-district (platform district) the supply intelligent chemical control system technology of using in an all-round way, can play crucial effects to the development of distribution system intellectualized technology.
Summary of the invention
The purpose of the present utility model is to realize by following technical scheme:
This system comprises the signal data acquisition circuit, and signal data calculates decision circuitry, equipment operation circuit, fault handling method circuit, wireless alarming emissioning circuit, wireless receiving circuit; Described signal data acquisition circuit output has two terminations, is respectively A, B, and described signal data calculates decision circuitry output two terminations, is respectively S, X.
Described signal data acquisition circuit collects signal data from the sub-district electric power system, the output end A connects signal data and calculates decision circuitry, B termination connection wireless alarming emissioning circuit, described signal data calculates decision circuitry output termination S and connects described equipment operation circuit, X termination connection wireless alarming emissioning circuit, fault handling method circuit, described fault handling method circuit output connects wireless alarming emissioning circuit, described equipment operation circuit output connects wireless alarming emissioning circuit, and described wireless receiving circuit connects described equipment operation circuit.
The signal data acquisition circuit comprises high-voltage switch gear position signal acquisition circuit, low tension switch position signal acquisition circuit, the transformer temperature signal collection circuit, the cable temperature signal acquisition circuit, the low voltage voltage signal acquisition circuit, the low-tension current signal acquisition circuit, the high-tension current signal acquisition circuit, the power factor signal acquisition circuit, the neutral line current signal acquisition circuit, phase line ground signalling Acquisition Circuit, the neutral line break signal acquisition circuit, the fire signal Acquisition Circuit, get over the line signal acquisition circuit, the video signal collective circuit; Described signal data acquisition circuit output has two terminations, be respectively A, B, described high-voltage switch gear position signalling, low tension switch position signalling, transformer temperature signal, cable temperature signal, low voltage voltage signal, low-tension current signal, high-tension current signal, power factor signal, neutral line current signal, phase line ground signalling, neutral line break signal connect signal data by the output of A termination and calculate decision circuitry; Described fire signal, more line signal, vision signal connect wireless alarming emissioning circuit by the output of B termination.
Described high-voltage switch gear position signal acquisition circuit is from described high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal, is connected in signal data and calculates decision circuitry;
Described low tension switch position signal acquisition circuit is from described low tension switch motor-operating mechanism auxiliary contact collection position signal, is connected in signal data and calculates decision circuitry;
Described transformer temperature signal collection circuit is from transformer detector unit digital temperature sensor collecting temperature data-signal, is connected in signal data and calculates decision circuitry;
Described cable temperature signal acquisition circuit is that the detector unit digital temperature sensor is connected in a certain position of described cable end, gathers the cable temperature data from detector unit, is connected in signal data and calculates decision circuitry;
Described low voltage voltage signal acquisition circuit is that A, B, C three-phase 220V 50Hz alternating current are exported the voltage signal that is fit to after the resistance step-down of certain value, is connected to signal data and calculates decision circuitry;
Described low-tension current signal acquisition circuit is that A, B, C three-phase current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, inserts signal data and calculates decision circuitry;
Described high-tension current signal acquisition circuit is that high pressure one phase current is exported the current signal that is fit to requirement after current transformer and load resistance conversion, inserts signal data and calculates decision circuitry;
Described power factor signal acquisition circuit,, reactive energy data-signal meritorious from active electric energy meter, reactive energy-meter collection insert signal data and calculate decision circuitry and calculate comparison;
Described neutral line break signal acquisition circuit is gathered the neutral line break signal from the neutral line break protector, inserts signal data and calculates decision circuitry;
Described phase line ground signalling Acquisition Circuit is gathered the phase line ground signalling from residual current operated protective device, inserts signal data and calculates decision circuitry;
Described fire signal Acquisition Circuit is gathered fire signal from pyralarm, inserts wireless alarming emissioning circuit;
Described line signal acquisition circuit is more got over the line signal from the collection of infrared acquisition alarm, inserts wireless alarming emissioning circuit;
Described video signal collective circuit is gathered vision signal from Video Controller, inserts wireless alarming emissioning circuit.
Signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input connects described signal data acquisition circuit output end A, and the output of A/D translation circuit connects described data computation decision circuitry, and the output of data computation decision circuitry connects described executive component; Described executive component output has two terminations, is respectively S, X, and the S termination connects described equipment operation circuit, and the X termination connects described fault handling method circuit, wireless alarming emissioning circuit.
Equipment operation circuit comprises the divide-shut brake control circuit of high-voltage switch gear motor drive mechanism, the divide-shut brake control circuit of low tension switch motor drive mechanism, the control circuit of stand-by power supply automatic switching device, the control circuit of transformers connected in parallel automatic switching device for economic operation, the control circuit of reactive-load compensation equipment automatic switching device, the control circuit of street lamp automatic switching device, the control circuit of automatic fire extinguisher; The equipment operation circuit input signal calculates decision circuitry output termination S, wireless receiving circuit output termination N from signal data respectively, and operation of equipment is carried out back equipment state signal output and connected wireless alarming emissioning circuit.
Wherein, described high-voltage switch gear branch, contacting controling circuit are meant high-voltage switch gear motor drive mechanism branch, the closing circuit of described operation;
Described low tension switch branch, contacting controling circuit are meant low tension switch motor drive mechanism branch, the closing circuit of described operation;
Described stand-by power supply automatic switching control circuit is meant the automatic operation switching loop of described stand-by power supply automatic switching device;
Described street lamp automatic switching control circuit is meant the automatic operation switching loop of described street lamp automatic switching device;
Described self-extinguishing control circuit is meant that described automatic fire extinguisher operates the switching loop automatically.
The fault handling method circuit comprises signal input circuit, control circuit, memory circuit, executive circuit; The signal input circuit of described fault handling method circuit connects signal data and calculates decision circuitry output X, described signal input circuit and connect described control circuit, control circuit and connect that described memory circuit, memory circuit connect described executive circuit, executive circuit connects described wireless alarming emissioning circuit.
Wireless alarming emissioning circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with described signal data acquisition circuit, data computation decision circuitry, equipment operation circuit, fault handling method circuit respectively, described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit;
Described signal input circuit K1 connects the high-voltage switch gear position signalling, K2 connects the low tension switch position signalling, K3 connects transformers connected in parallel automatic switching device for economic operation position signalling, K4 connects reactive-load compensation equipment automatic switching device position signalling, K5 connects street lamp automatic switching device position signalling, and K7 connects self-extinguishing control device position signalling, K8 connects the transformer temperature signal, K9 connects transformer overtemperature processing method signal, K10 connects the cable temperature signal, K11 connects cable overtemperature processing method signal, K12 connects the low voltage voltage signal, K13 takes over the voltage processing method signal, K14 connects the low-tension current signal, K15 takes over current processing method signal, K16 connects the high-tension current signal, K17 connects high pressure overcurrent processing method signal, K18 connects the power factor signal, K19 connects power factor and crosses and exceed reduction process method signal, K20 connecting to neutral line current signal, the excessive processing method signal of K21 connecting to neutral line current, K22 phase-connecting wire ground signalling, K23 phase-connecting wire ground connection processing method signal, K24 connecting to neutral line disconnection signal, K25 connecting to neutral line broken string processing method signal, the K26 calamity signal of starting to exchange fire, K27 connects line signal more, K28 connects vision signal.
Wireless receiving circuit comprises signal receiving circuit, decoding circuit, executive circuit; Described signal receiving circuit connects described decoding circuit, and decoding circuit connects described executive circuit, and executive circuit output connects described equipment operation circuit.
The output signal N1 of described signal receiving circuit connects described high-voltage switch gear divide-shut brake control circuit, N2 and connects described low tension switch divide-shut brake control circuit, N3 and connect described stand-by power supply automatic switching control circuit, N4 and connect described transformers connected in parallel economical operation automatic switching control circuit, N5 and connect that described reactive-load compensation equipment automatic switching control circuit, N6 connect described street lamp automatic switching control circuit, N7 connects described self-extinguishing control circuit.
This supply intelligent system utilizes advanced computer technology, monitoring technology, control technology, the communication technology, thereby develop a kind of distribution transformer, 10KV on-load switch of being used for, the Long-distance Control of 400V distribution system, real-time status, Data Detection intelligent monitoring device.The relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, specifically, this supply intelligent systems technology progress, reasonable in design, the control of desirable realization sub-district (platform district) supply intelligent, intelligent management, intellectual analysis, for development network distribution system automation control, will play positive facilitation, this concrete advantage of supply intelligent system:
1, this intellectualizing system is monitored electricity supplying and using system safety and economic operation situation at any time; have various defencive functions; and automatics; but according to setting automatic switching stand-by power supply, transformer, reactive power source, street lamp, extinguishing device; operating personnel are less than device context; reduce the misoperation factor, improve power supply reliability.
2, this intellectualizing system is monitored power supply unit running technology data at any time, can see voltage, electric current, temperature and the power supply unit presence states of transformer, power distribution equipment at any time by remote measurement, remote signalling.
3, this intellectualizing system stores various fault handling methods, if electric power supply system equipment breaks down, directly points out the troubleshooting the whole bag of tricks to the person on duty, saves fault handling time, improves power supply reliability.
4, this intellectualizing system has remote control operation stand-by power supply, transformer, reactive power source, street lamp, extinguishing device function, according to device context running status needs switching at any time, can carry out the remote control operation, shorten the operating equipment time, reduce the loss that do not have.
Description of drawings
Fig. 1 is the sub-district described in the utility model supply intelligent block diagram of system;
Fig. 2 is a signal data acquisition circuit block diagram described in the utility model;
Fig. 3 is that signal data described in the utility model calculates the decision circuitry block diagram;
Fig. 4 is an equipment operation circuit block diagram described in the utility model;
Fig. 5 is that fault handling method circuit described in the utility model is formed block diagram;
Fig. 6 is that wireless alarming emissioning circuit described in the utility model is formed block diagram;
Fig. 7 is a wireless receiving circuit block diagram described in the utility model;
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
As shown in Figure 1, be the sub-district described in the utility model supply intelligent block diagram of system, this system comprises sub-district electric power system 1, signal data acquisition circuit 2, signal data calculates decision circuitry 3, equipment operation circuit 4, fault handling method circuit 5, wireless alarming emissioning circuit 6, wireless receiving circuit 7; Described signal data acquisition circuit output has two terminations, is respectively A, B, and described signal data calculates decision circuitry output two terminations, is respectively S, X;
Wherein, described signal data acquisition circuit collects signal data from the sub-district electric power system, the output end A connects signal data and calculates decision circuitry, B termination connection wireless alarming emissioning circuit, described signal data calculates decision circuitry output termination S and connects described equipment operation circuit, X termination connection wireless alarming emissioning circuit, fault handling method circuit, described fault handling method circuit output connects wireless alarming emissioning circuit, described equipment operation circuit output connects wireless alarming emissioning circuit, and described wireless receiving circuit connects described equipment operation circuit.
Collect real-time status and data-signal from the sub-district electric power system, be transferred to data computation judgment processing circuit, radio alarming circuit, fault handling method circuit respectively, various signal datas compare by data computation judgment processing circuit, judge the system equipment state, if breaking down, system equipment starts protection, actuating signal is transferred to equipment operation circuit and trips, and transmits wireless alarming emissioning circuit simultaneously, the fault handling method circuit; The fault alarm that system equipment is taken place, and provide fault handling method for reference to the electrician.After system equipment generation state variation, equipment operation circuit output connects the radio alarming circuit, and situation after the system equipment state variation is informed the electrician.When system equipment need change state, operate by remote control, the electrician need not arrive device context.
Fig. 2 is a data-signal Acquisition Circuit block diagram described in the utility model, and the signal data acquisition circuit comprises high-voltage switch gear position signal acquisition circuit 2A, low tension switch position signal acquisition circuit 2B, transformer temperature signal collection circuit 2C, cable temperature signal acquisition circuit 2D, low voltage voltage signal acquisition circuit 2E, low-tension current signal acquisition circuit 2F, high-tension current signal acquisition circuit 2G, power factor signal acquisition circuit 2H, neutral line current signal acquisition circuit 2I, phase line ground signalling Acquisition Circuit 2J, neutral line break signal acquisition circuit 2K, fire signal Acquisition Circuit 2M, get over line signal acquisition circuit 2N, video signal collective circuit 2X.
Described signal data acquisition circuit, the high and low voltage switch position signalling of Cai Jiing respectively, transformer, cable temperature signal, low-tension current, voltage signal, the high-tension current signal, the power factor signal, neutral line current signal, phase line ground signalling, the neutral line break signal is transferred to signal data and calculates decision circuitry, fire signal is got over the line signal, and vision signal directly is transferred to wireless alarming emissioning circuit.
Described high-voltage switch gear position signal acquisition circuit 2A is to gather the high-voltage switch gear position signalling from described high-voltage switch gear motor-operating mechanism auxiliary contact, is connected in signal data and calculates decision circuitry; When system equipment broke down, signal data calculated decision circuitry and sends the protection trip signal, when high-voltage switch gear generation displacement, just sends alarm signal.
Described low tension switch position signal acquisition circuit 2B is to gather switch position signal from described low tension switch motor-operating mechanism auxiliary contact, is connected in signal data and calculates decision circuitry; When low-pressure system equipment broke down, signal data calculated decision circuitry and sends the protection trip signal, and alarm signal is just sent in low tension switch generation displacement.
Described transformer temperature signal collection circuit 2C is from transformer detector unit digital temperature sensor collecting temperature data, is connected in signal data and calculates decision circuitry; When the collecting temperature data relatively exceed setting by the data computation judgement, send alarm signal, point out the overtemperature processing method simultaneously.
Described cable temperature signal acquisition circuit 2D is that the detector unit digital temperature sensor is connected in a certain position of described cable end, gathers the cable temperature data from detector unit, is connected in signal data and calculates decision circuitry; When the collecting temperature data relatively exceed setting by calculating, send alarm signal, point out the overtemperature processing method simultaneously.
Described voltage signal acquisition circuit 2E, be with A, B, C three-phase 220V 50Hz alternating current after the resistance step-down of certain value, the voltage signal output that be fit to require is connected to signal data calculating decision circuitry; When system parameters changes, calculated overvoltage, under voltage by microcomputer, just send overvoltage, under voltage alarm signal, or trip signal, overvoltage, under voltage fault handling method are provided simultaneously.
Described current signal Acquisition Circuit 2F is that A, B, C three-phase current are exported the current signal that is fit to requirement through current transformer and load resistance, and output inserts signal data calculating decision circuitry; When system parameters changes, calculate the super regulation of overcurrent parameter by microcomputer and plant, send the overcurrent alarm signal, or trip signal, the overcurrent fault processing method is provided simultaneously.
Described high-tension current signal acquisition circuit 2G is with the current signal of high pressure one phase current through current transformer and the suitable requirement of load resistance output, inserts signal data and calculates decision circuitry; When the systematic electricity load changes, calculate the size of current parameter by microcomputer, according to transformer operation of size of current parameter automatic switching, reduce grid loss.Or transformer inside breaks down, and the protection would trip provided fault handling method simultaneously and sent alarm signal.
Described power factor signal acquisition circuit 2H from active electric energy meter, meritorious, the reactive energy signal access signal data calculating decision circuitry of reactive energy-meter collection, is compared by the Microcomputer Calculation power factor; Carry out the automatic switching reactive apparatus according to the power factor size.
Described neutral line current signal acquisition circuit 2I, be fit to the current signal that requires through certain load resistance output, insert signal data and calculate decision circuitry from the zero sequence current mutual inductor secondary; When gathering the neutral line current signal data by relatively exceeding setting, just send alarm signal, neutral line current major break down processing method is provided simultaneously.
Described phase line ground signalling Acquisition Circuit 2J gathers the phase line ground signalling from residual current operated protective device, inserts signal data and calculates decision circuitry; After system's generation phase line ground connection is judged by microcomputer, send alarm signal, phase line earth fault processing method is provided simultaneously.
Described neutral line break signal acquisition circuit 2K gathers the neutral line break signal from the neutral line break protector, inserts signal data and calculates decision circuitry; After system's generation neutral line break is judged by Microcomputer Calculation, send alarm signal, the neutral line break fault handling method is provided simultaneously.
Described fire signal Acquisition Circuit 2M gathers fire signal from pyralarm, inserts wireless alarming emissioning circuit; When system's breaking out of fire, start automatic fire extinguisher and put out a fire, send alarm signal simultaneously.
Described line signal acquisition circuit 2N more gets over the line signal from the collection of infrared acquisition alarm, inserts wireless alarming emissioning circuit; The infrared acquisition alarm generally is installed in battery limits, sends alarm signal when taking place to get over the line situation.Start video circuit and check line situation more, get rid of.
Described video signal collective circuit 2X gathers vision signal from Video Controller, inserts wireless alarming emissioning circuit.Check transformer, power distribution equipment site specific and various parameter by video circuit.
Fig. 3 is that signal data described in the utility model calculates the decision circuitry block diagram, and signal data calculates decision circuitry and comprises: A/D translation circuit 31, calculating decision circuitry 32, executive component 33; Described executive component output has two terminations, is respectively S, X, and the S termination connects described equipment operation circuit, and the X termination connects described fault handling method circuit, wireless alarming emissioning circuit.
Described A/D translation circuit 31 inputs connect described signal data acquisition circuit output end head A, the output of A/D translation circuit connects described calculating decision circuitry 32, calculate decision circuitry and connect described executive component 33, executive component output S termination connects described equipment operation circuit, and the X termination connects described fault handling method circuit, wireless alarming emissioning circuit.
After described data computation decision circuitry obtains various signal datas from signal acquisition circuit, signal data carry out A/D be transformed into be fit to require after, decision circuitry is calculated in input, calculates comparison, comparative result is exported to executive component, carries out fling-cut equipment or warning.
Fig. 4 is an equipment operation circuit block diagram described in the utility model, and equipment operation circuit comprises the divide-shut brake control circuit 41 of high-voltage switch gear motor drive mechanism, the divide-shut brake control circuit 42 of low tension switch motor drive mechanism, the control circuit 43 of stand-by power supply automatic switching device, the control circuit 44 of transformers connected in parallel automatic switching device for economic operation, the control circuit 45 of reactive-load compensation equipment automatic switching device, the control circuit 46 of street lamp automatic switching device, the control circuit 47 of automatic fire extinguisher; The operation of equipment signal calculates decision circuitry output termination S, wireless receiving circuit output termination N from signal data respectively, and after operation of equipment was carried out, the output of equipment state variable signal connected wireless alarming emissioning circuit;
Described high-voltage switch gear branch, contacting controling circuit 41 are high-voltage switch gear motor drive mechanism branch, the closing circuit of described operation; After high-voltage switch gear obtained branch, switching signal, high-voltage switch gear divided automatically, closing operation, reported to the police after the high-voltage switch gear state changes and told.
Described low tension switch branch, contacting controling circuit 42 are low tension switch motor drive mechanism branch, the closing circuit of described operation; After low tension switch obtained switch branch, switching signal, low tension switch divided automatically, closing operation, and the low tension switch state changes the back warning and tells.
Described stand-by power supply automatic switching control circuit 43, it is the automatic operation switching loop of described stand-by power supply automatic switching device, after stand-by power supply obtained the switching signal, the stand-by power supply automatic switching device was operated automatically, and stand-by power supply switching state changes the back warning and tells.
The control circuit 44 of described transformers connected in parallel automatic switching device for economic operation, be the automatic operation switching loop of described transformers connected in parallel automatic switching device for economic operation; After the transformers connected in parallel automatic switching device for economic operation obtained the automatic switching signal, the transformers connected in parallel automatic switching device for economic operation carried out the switching operation automatically, and transformers connected in parallel automatic switching device for economic operation state changes the back warning and tells.
The control circuit 45 of described reactive-load compensation equipment automatic switching device, be the automatic operation switching loop of described reactive-load compensation equipment automatic switching device; After obtaining the power factor (PF) high low signal, the reactive-load compensation equipment automatic switching device carries out the switching operation automatically, and reactive-load compensation equipment automatic switching device state changes the back warning and tells.
Described street lamp automatic switching control circuit 46 is automatic operation switching loops of described street lamp automatic switching device; After sunrise sunset signal sent, the street lamp automatic switching device carried out the switching operation automatically, and street lamp automatic switching device state changes the back warning and tells.
Described self-extinguishing control circuit 47 is that described automatic fire extinguisher is operated the switching loop automatically.After obtaining the fire extinguishing signal, the automatic fire extinguisher operation of putting out a fire automatically, the automatic fire extinguisher state changes the back warning and tells.
Fig. 5 is that fault handling method circuit described in the utility model is formed block diagram, and the fault handling method circuit comprises signal input circuit 51, control circuit 52, memory circuit 53, executive circuit 54; The signal input circuit 51 input linking numbers of described fault handling method circuit it is calculated that decision circuitry output X, the described control circuit 52 of signal input circuit output connection, the described memory circuit 53 of control circuit output connection, memory circuit output connect described executive circuit 54, executive circuit is exported and connected described wireless alarming emissioning circuit.
After the acquisition system equipment breaks down signal, start the fault handling method circuit, according to the device fails type, provide fault handling method immediately, send to the operator on duty.Various types of fault fault handling methods are stored in the memory of memory circuit, when a certain fault takes place, after the signal input, access several processing methods of a certain fault, reference when sending to operator on duty's handling failure.
Fig. 6 is that wireless alarming emissioning circuit described in the utility model is formed block diagram, and wireless alarming emissioning circuit comprises signal input circuit 61, coding circuit 62, radiating circuit 63; Described signal input circuit 61 inputs are connected with described data computation decision circuitry, equipment operation circuit, fault handling method circuit, signal data acquisition circuit respectively, described signal input circuit 61 outputs connect described coding circuit 62, and coding circuit connects described radiating circuit 63;
Described signal input circuit K1 connects the high-voltage switch gear position signalling, K2 connects the low tension switch position signalling, K3 connects the position signalling of stand-by power supply automatic switching device, K4 connects the position signalling of transformers connected in parallel automatic switching device for economic operation, K5 connects the position signalling of reactive-load compensation equipment automatic switching device, K6 connects the position signalling of street lamp automatic switching device, and K7 connects the position signalling of automatic fire extinguisher, K8 connects transformer overtemperature signal, K9 connects transformer overtemperature processing method signal, K10 connects cable overtemperature signal, K11 connects cable overtemperature degree processing method signal, K12 connects the low pressure overvoltage signal, K13 takes over the voltage processing method signal, K14 connects the low pressure overcurrent signal, K15 takes over current processing method signal, K16 connects the high-tension current high low signal, K17 connects high pressure overcurrent processing method signal, K18 connects the power factor small-signal, K19 connects power factor and crosses reduction process method signal, K20 connecting to neutral line current is crossed large-signal, the excessive processing method signal of K21 connecting to neutral line current, K22 phase-connecting wire ground signalling, K23 phase-connecting wire ground connection processing method signal, K24 connecting to neutral line disconnection signal, K25 connecting to neutral line broken string processing method signal, the K26 calamity signal of starting to exchange fire, K27 connects line signal more, K28 connects vision signal.
Signal after obtaining system equipment state generation ANOMALOUS VARIATIONS is delivered to signal input circuit immediately, just signal is encoded to be transmitted to operator on duty's warning.
Fig. 7 is a wireless receiving circuit block diagram described in the utility model, and wireless receiving circuit comprises signal receiving circuit 71, decoding circuit 72, executive circuit 73; Described signal receiving circuit 71 connects described decoding circuit 72, and decoding circuit connects described executive circuit 73, and executive circuit output connects described equipment operation circuit; The output of described signal receiving circuit has 7 the tunnel, is respectively N1 and connects described high-voltage switch gear divide-shut brake control circuit, N2 and connect described low tension switch divide-shut brake control circuit, N3 and connect described stand-by power supply automatic switching control circuit, N4 and connect described transformers connected in parallel economical operation automatic switching control circuit, N5 and connect that described reactive-load compensation equipment automatic switching control circuit, N6 connect described street lamp automatic switching control circuit, N7 connects described self-extinguishing control circuit.
When personnel on duty need carry out a distant place when in time operating to system equipment, can finish by wireless receiving circuit, can shorten a lot of times like this, and improve security reliability.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present utility model is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.

Claims (7)

1.一种10kV小区供电智能化系统，其特征在于：该系统包括信号数据采集电路，信号数据计算判断电路，设备操作电路，故障处理方法电路，无线报警发射电路，无线接收电路；所述信号数据采集电路输出有二端头，分别为A、B，所述信号数据计算判断电路输出有二端头，分别为S、X；1. A 10kV community power supply intelligent system is characterized in that: the system includes a signal data acquisition circuit, a signal data calculation and judgment circuit, an equipment operation circuit, a fault handling method circuit, a wireless alarm transmitting circuit, and a wireless receiving circuit; The output of the data acquisition circuit has two terminals, which are respectively A and B, and the output of the signal data calculation and judgment circuit has two terminals, which are respectively S and X; 其中，所述信号数据采集电路从小区供电系统采集到信号数据，输出端头A连接信号数据计算判断电路、B端头连接所述无线报警发射电路，所述信号数据计算判断电路输出端头S连接所述设备操作电路、X端头连接所述无线报警发射电路、故障处理方法电路，所述故障处理方法电路输出连接所述无线报警发射电路，所述设备操作电路输出连接所述无线报警发射电路，所述无线接收电路连接所述设备操作电路。Wherein, the signal data acquisition circuit collects signal data from the community power supply system, the output terminal A is connected to the signal data calculation and judgment circuit, and the B terminal is connected to the wireless alarm transmission circuit, and the signal data calculation and judgment circuit output terminal S The device operation circuit is connected, the X terminal is connected to the wireless alarm transmission circuit, and the fault handling method circuit, the output of the fault processing method circuit is connected to the wireless alarm transmission circuit, and the output of the equipment operation circuit is connected to the wireless alarm transmission circuit. circuit, the wireless receiving circuit is connected to the device operating circuit. 2.根据权利要求1所述的10kV小区供电智能化系统，其特征在于：信号数据采集电路包括高压开关位置信号采集电路、低压开关位置信号采集电路、变压器温度信号采集电路、电缆温度信号采集电路、低压电压信号采集电路、低压电流信号采集电路、高压电流信号采集电路、功率因数信号采集电路、零线电流信号采集电路、相线接地信号采集电路、零线断线信号采集电路、火灾信号采集电路、越线信号采集电路、视频信号采集电路；所述信号数据采集电路输出有二端头，分别为A、B，所述高压开关位置信号、低压开关位置信号、变压器温度信号、电缆温度信号、低压电压信号、低压电流信号、高压电流信号、功率因数信号、零线电流信号、相线接地信号、零线断线信号由A端头输出连接信号数据计算判断电路；所述的火灾信号、越线信号、视频信号由B端头输出连接无线报警发射电路；2. The 10kV community power supply intelligent system according to claim 1, characterized in that: the signal data acquisition circuit includes a high-voltage switch position signal acquisition circuit, a low-voltage switch position signal acquisition circuit, a transformer temperature signal acquisition circuit, and a cable temperature signal acquisition circuit , Low-voltage voltage signal acquisition circuit, low-voltage current signal acquisition circuit, high-voltage current signal acquisition circuit, power factor signal acquisition circuit, zero line current signal acquisition circuit, phase line grounding signal acquisition circuit, zero line disconnection signal acquisition circuit, fire signal acquisition Circuit, cross-line signal acquisition circuit, video signal acquisition circuit; the signal data acquisition circuit output has two terminals, respectively A, B, the high-voltage switch position signal, low-voltage switch position signal, transformer temperature signal, cable temperature signal , low-voltage voltage signal, low-voltage current signal, high-voltage current signal, power factor signal, zero line current signal, phase line grounding signal, and zero line disconnection signal are output by the terminal A to calculate and judge the connection signal data; the fire signal, The cross-line signal and video signal are output by the B terminal and connected to the wireless alarm transmitter circuit; 其中，所述高压开关位置信号采集电路，是从所述高压开关电动操作机构辅助接点处采集位置信号，连接于信号数据计算判断电路；Wherein, the position signal acquisition circuit of the high-voltage switch collects the position signal from the auxiliary contact of the electric operating mechanism of the high-voltage switch, and is connected to the signal data calculation and judgment circuit; 所述低压开关位置信号采集电路，是从所述低压开关电动操作机构辅助接点处采集位置信号，连接于信号数据计算判断电路；The position signal acquisition circuit of the low-voltage switch collects the position signal from the auxiliary contact of the electric operating mechanism of the low-voltage switch, and is connected to the signal data calculation and judgment circuit; 所述变压器温度信号采集电路，是从变压器温度检测元件数字温度传感器处采集温度数据信号，连接于信号数据计算判断电路；The transformer temperature signal acquisition circuit collects temperature data signals from the digital temperature sensor of the transformer temperature detection element, and is connected to the signal data calculation and judgment circuit; 所述电缆温度信号采集电路，是将温度检测元件数字温度传感器连接于所述电缆头某一位置，从温度检测元件处采集电缆温度数据信号，连接于信号数据计算判断电路；The cable temperature signal acquisition circuit is to connect the digital temperature sensor of the temperature detection element to a certain position of the cable head, collect the cable temperature data signal from the temperature detection element, and connect it to the signal data calculation and judgment circuit; 所述低压电压信号采集电路，是将A、B、C三相220V 50Hz交流电经一定值的电阻降压后输出适合的电压信号，接于信号数据计算判断电路；The low-voltage voltage signal acquisition circuit is to output a suitable voltage signal after the A, B, and C three-phase 220V 50Hz alternating current is stepped down by a resistance of a certain value, and is connected to the signal data calculation and judgment circuit; 所述的低压电流信号采集电路，是将A、B、C三相电流经电流互感器和负载电阻变换后输出适合要求的电流信号，接入信号数据计算判断电路；The low-voltage current signal acquisition circuit is to output a current signal suitable for requirements after converting the A, B, and C three-phase currents through a current transformer and a load resistance, and access the signal data calculation and judgment circuit; 所述的高压电流信号采集电路，是将高压一相电流经电流互感器和负载电阻变换后输出适合要求的电流信号，接入信号数据计算判断电路；The high-voltage current signal acquisition circuit is to convert the high-voltage one-phase current through the current transformer and the load resistance to output a current signal suitable for the requirements, and access the signal data calculation and judgment circuit; 所述的功率因数信号采集电路，从有功电能表、无功电能表采集有功、无功电能信号接入信号数据计算判断电路进行计算比较；The power factor signal acquisition circuit collects active and reactive energy signals from the active energy meter and the reactive energy meter and accesses the signal data calculation and judgment circuit to perform calculation and comparison; 所述的零线断线信号采集电路，从零线断线保护器采集零线断线信号，接入信号数据计算判断电路；The zero line disconnection signal acquisition circuit collects the zero line disconnection signal from the zero line disconnection protector, and accesses the signal data calculation and judgment circuit; 所述的相线接地信号采集电路，从剩余电流保护器采集相线接地信号，接入信号数据计算判断电路；The phase line grounding signal acquisition circuit collects the phase line grounding signal from the residual current protector, and accesses the signal data calculation and judgment circuit; 所述的火灾信号采集电路，从烟火报警器采集火灾信号，接入无线报警发射电路；The fire signal acquisition circuit collects the fire signal from the smoke and fire alarm and connects it to the wireless alarm transmission circuit; 所述的越线信号采集电路，从红外探测报警器采集越线信号，接入无线报警发射电路；The line crossing signal acquisition circuit collects the line crossing signal from the infrared detection alarm and connects to the wireless alarm transmitting circuit; 所述的视频信号采集电路，从视频控制器采集视频信号，接入无线报警发射电路。The video signal acquisition circuit collects video signals from the video controller and connects to the wireless alarm transmitting circuit. 3.根据权利要求1所述的10kV小区供电智能化系统，其特征在于：信号数据计算判断电路包括A/D变换电路、计算判断电路、执行元件；所述的A/D变换电路输入连接所述的信号数据采集电路输出端头A，A/D变换电路输出连接所述的数据计算判断电路，数据计算判断电路输出连接所述的执行元件；所述执行元件输出有二端头，分别为S、X，S端头连接所述的设备操作电路，X端头连接所述的故障处理方法电路、无线报警发射电路。3. The 10kV community power supply intelligent system according to claim 1, characterized in that: the signal data calculation and judgment circuit includes an A/D conversion circuit, a calculation and judgment circuit, and an actuator; the input connection of the A/D conversion circuit is The output terminal A of the signal data acquisition circuit described above, the output of the A/D conversion circuit is connected to the described data calculation and judgment circuit, and the output of the data calculation and judgment circuit is connected to the described actuator; the output of the actuator has two terminals, respectively S, X, the S terminal is connected to the device operating circuit, and the X terminal is connected to the fault handling circuit and the wireless alarm transmitting circuit. 4.根据权利要求1所述的10kV小区供电智能化系统，其特征在于：设备操作电路包括高压开关电动机构的分合闸控制电路、低压开关电动机构的分合闸控制电路、备用电源自动投切装置的控制电路、变压器并联经济运行自动投切装置的控制电路、无功补偿设备自动投切装置的控制电路、路灯自动投切装置的控制电路、自动灭火装置的控制电路；设备操作电路输入信号分别来自信号数据计算判断电路S、无线接收电路输出端头N，设备操作执行后设备状态信号输出连接无线报警发射电路；4. The 10kV community power supply intelligent system according to claim 1, characterized in that: the equipment operation circuit includes the opening and closing control circuit of the high-voltage switch motor mechanism, the opening and closing control circuit of the low-voltage switch motor mechanism, and the automatic switching of the backup power supply. The control circuit of the switching device, the control circuit of the automatic switching device for parallel economic operation of transformers, the control circuit of the automatic switching device of reactive power compensation equipment, the control circuit of the automatic switching device of street lamps, the control circuit of the automatic fire extinguishing device; the input of equipment operation circuit The signals are respectively from the signal data calculation and judgment circuit S, the output terminal N of the wireless receiving circuit, and the device status signal output is connected to the wireless alarm transmitting circuit after the device operation is executed; 其中，所述高压开关分、合闸控制电路，是指所述操作的高压开关电动机构分、合闸回路；Wherein, the high-voltage switch opening and closing control circuit refers to the operating high-voltage switch motor mechanism opening and closing circuit; 所述低压开关分、合闸控制电路，是指所述操作的低压开关电动机构分、合闸回路；The low-voltage switch opening and closing control circuit refers to the operating low-voltage switch motor mechanism opening and closing circuit; 所述的备用电源自动投切控制电路，是指所述备用电源自动投切装置的自动操作投切回路；The automatic switching control circuit of the backup power supply refers to the automatic operation switching circuit of the automatic switching device for the backup power supply; 所述的路灯自动投切控制电路，是指所述路灯自动投切装置的自动操作投切回路；The described street lamp automatic switching control circuit refers to the automatic operation switching circuit of the street lamp automatic switching device; 所述的自动灭火控制电路，是指所述自动灭火装置自动操作投切回路。The automatic fire extinguishing control circuit refers to the automatic switching circuit of the automatic fire extinguishing device. 5.根据权利要求1所述的10kV小区供电智能化系统，其特征在于：故障处理方法电路包括信号输入电路、控制电路、存储电路、执行电路；所述的故障处理方法电路的信号输入电路连接信号数据计算判断电路输出输出端头X、所述信号输入电路连接所述的控制电路、控制电路连接所述的存储电路、存储电路连接所述的执行电路、执行电路连接所述的无线报警发射电路。5. The 10kV community power supply intelligent system according to claim 1 is characterized in that: the fault handling method circuit includes a signal input circuit, a control circuit, a storage circuit, and an execution circuit; the signal input circuit of the fault handling method circuit is connected to The signal data calculation and judgment circuit outputs the output terminal X, the signal input circuit is connected to the control circuit, the control circuit is connected to the storage circuit, the storage circuit is connected to the execution circuit, and the execution circuit is connected to the wireless alarm transmitter circuit. 6.根据权利要求1所述的10kV小区供电智能化系统，其特征在于：无线报警发射电路包括信号输入电路、编码电路、发射电路；所述的信号输入电路分别与所述的信号数据采集电路、数据计算判断电路、设备操作电路、故障处理方法电路连接，所述的信号输入电路输出连接所述编码电路，编码电路连接所述发射电路；6. The 10kV community power supply intelligent system according to claim 1 is characterized in that: the wireless alarm transmission circuit comprises a signal input circuit, a coding circuit, and a transmission circuit; , The data calculation and judgment circuit, the equipment operation circuit, and the fault handling method circuit are connected, the output of the signal input circuit is connected to the encoding circuit, and the encoding circuit is connected to the transmitting circuit; 其中，所述的信号输入电路K1接高压开关位置信号、K2接低压开关位置信号、K3接变压器并联经济运行自动投切装置位置信号、K4接无功补偿设备自动投切装置位置信号，K5接路灯自动投切装置位置信号，K7接自动灭火控制装置位置信号、K8接变压器温度信号、K9接变压器超温处理方法信号、K10接电缆温度信号、K11接电缆超温处理方法信号、K12接低压电压信号、K13接过电压处理方法信号、K14接低压电流信号、K15接过电流处理方法信号、K16接高压电流信号、K17接高压过电流处理方法信号、K18接功率因数信号、K19接功率因数过高过低处理方法信号、K20接零线电流信号、K21接零线电流过大处理方法信号、K22接相线接地信号、K23接相线接地处理方法信号、K24接零线断线信号、K25接零线断线处理方法信号、K26接火灾信号、K27接越线信号、K28接视频信号。Among them, the signal input circuit K1 is connected to the position signal of the high-voltage switch, K2 is connected to the position signal of the low-voltage switch, K3 is connected to the position signal of the automatic switching device for parallel economic operation of the transformer, K4 is connected to the position signal of the automatic switching device of the reactive power compensation equipment, and K5 is connected to the The position signal of the street lamp automatic switching device, K7 is connected to the position signal of the automatic fire extinguishing control device, K8 is connected to the temperature signal of the transformer, K9 is connected to the signal of the over-temperature treatment method of the transformer, K10 is connected to the signal of the cable temperature, K11 is connected to the signal of the over-temperature treatment method of the cable, and K12 is connected to the low voltage Voltage signal, K13 is connected to overvoltage processing signal, K14 is connected to low voltage current signal, K15 is connected to overcurrent processing signal, K16 is connected to high voltage current signal, K17 is connected to high voltage overcurrent processing signal, K18 is connected to power factor signal, K19 is connected to power factor Over high and low processing method signal, K20 connected to the neutral wire current signal, K21 connected to the neutral wire current excessive processing method signal, K22 connected to the phase wire ground signal, K23 connected to the phase wire ground signal, K24 connected to the neutral wire broken wire signal, K25 is connected to the zero line disconnection processing method signal, K26 is connected to the fire signal, K27 is connected to the over-the-line signal, and K28 is connected to the video signal. 7.根据权利要求1所述的10kV小区供电智能化系统，其特征在于：无线接收电路包括信号接收电路、译码电路、执行电路；所述信号接收电路连接所述译码电路，译码电路连接所述执行电路，执行电路输出连接所述设备操作电路；7. The 10kV community power supply intelligent system according to claim 1, characterized in that: the wireless receiving circuit includes a signal receiving circuit, a decoding circuit, and an execution circuit; the signal receiving circuit is connected to the decoding circuit, and the decoding circuit Connect the execution circuit, the execution circuit output is connected to the device operation circuit; 其中，所述的信号接收电路的输出信号N1接所述的高压开关分合闸控制电路、N2接所述的低压开关分合闸控制电路、N3接所述的备用电源自动投切控制电路、N4接所述的变压器并联经济运行自动投切控制电路、N5接所述的无功补偿设备自动投切控制电路、N6接所述的路灯自动投切控制电路、N7接所述的自动灭火控制电路。Wherein, the output signal N1 of the signal receiving circuit is connected to the high-voltage switch opening and closing control circuit, N2 is connected to the low-voltage switch opening and closing control circuit, N3 is connected to the backup power automatic switching control circuit, N4 is connected to the automatic switching control circuit of parallel economic operation of transformers, N5 is connected to the automatic switching control circuit of reactive power compensation equipment, N6 is connected to the automatic switching control circuit of street lamps, and N7 is connected to the automatic fire extinguishing control circuit.
CN2009202976681U 2009-12-18 2009-12-18 10kV subdistrict power supply intelligent system Expired - Fee Related CN201570912U (en)

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CN102170173A (en) * 2011-04-29 2011-08-31 河南省电力公司驻马店供电公司 Remote operation device for 10-20 kV distribution transformer
CN102170175A (en) * 2011-04-29 2011-08-31 河南省电力公司驻马店供电公司 Remote operation control device of 6-20 KV cable distribution box
CN102185377A (en) * 2011-04-29 2011-09-14 河南省电力公司驻马店供电公司 Remote operation control device for box type transformer low-voltage circuit breaker
CN102255383A (en) * 2011-04-29 2011-11-23 河南省电力公司驻马店供电公司 Remote operation control device of 10kV box-type transformer
CN111313379A (en) * 2019-12-09 2020-06-19 国网江苏省电力有限公司镇江供电分公司 Disconnection protection method for comparing line voltage on two sides of line and spare power automatic switching
CN111313379B (en) * 2019-12-09 2021-03-30 国网江苏省电力有限公司镇江供电分公司 Disconnection protection method for comparing line voltage on two sides of line and spare power automatic switching

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