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

10kV subdistrict power supply intelligent system Download PDF

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Publication number
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
connects
decision circuitry
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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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure
    • 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
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • 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
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/126Systems 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. 10kV sub-district supply intelligent system, it is characterized in that: this system comprises the signal data acquisition circuit, 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;
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, the B termination connects described wireless alarming emissioning circuit, described signal data calculates decision circuitry output termination S and connects described equipment operation circuit, the X termination connects described wireless alarming emissioning circuit, the fault handling method circuit, described fault handling method circuit output connects described wireless alarming emissioning circuit, described equipment operation circuit output connects described wireless alarming emissioning circuit, and described wireless receiving circuit connects described equipment operation circuit.
2. 10kV according to claim 1 sub-district supply intelligent system is characterized in that: 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;
Wherein, 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-signal 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 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.
3. 10kV according to claim 1 sub-district supply intelligent system is characterized in that: 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 head 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.
4. 10kV according to claim 1 sub-district supply intelligent system is characterized in that: 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 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.
5. 10kV according to claim 1 sub-district supply intelligent system, it is characterized in that: 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 fan-out head 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.
6. 10kV according to claim 1 sub-district supply intelligent system, it is characterized in that: 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;
Wherein, 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.
7. 10kV according to claim 1 sub-district supply intelligent system, it is characterized in that: 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;
Wherein, 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.
CN2009202976681U 2009-12-18 2009-12-18 10kV subdistrict power supply intelligent system Expired - Fee Related CN201570912U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102013733A (en) * 2010-12-23 2011-04-13 四川电力智能配电设备有限公司 Intelligent distribution system
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
CN102170174A (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 for feeder circuit breaker of 6-20 kV cable distribution box
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
CN102170172A (en) * 2011-04-29 2011-08-31 河南省电力公司驻马店供电公司 Distant operating means for 10kV transformers
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
CN102104278B (en) * 2009-12-18 2013-02-13 陈家斌 Power supply intelligent system of cell
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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102104278B (en) * 2009-12-18 2013-02-13 陈家斌 Power supply intelligent system of cell
CN102013733A (en) * 2010-12-23 2011-04-13 四川电力智能配电设备有限公司 Intelligent distribution system
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
CN102170174A (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 for feeder circuit breaker of 6-20 kV cable distribution box
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
CN102170172A (en) * 2011-04-29 2011-08-31 河南省电力公司驻马店供电公司 Distant operating means for 10kV transformers
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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