CN201876707U - 10kV network distribution intelligent control system - Google Patents
10kV network distribution intelligent control system Download PDFInfo
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- CN201876707U CN201876707U CN2010202273424U CN201020227342U CN201876707U CN 201876707 U CN201876707 U CN 201876707U CN 2010202273424 U CN2010202273424 U CN 2010202273424U CN 201020227342 U CN201020227342 U CN 201020227342U CN 201876707 U CN201876707 U CN 201876707U
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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
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Abstract
The utility model discloses a 10kV network distribution intelligent control system, which comprises a power distribution equipment intelligent control device, a network distribution control centre and an optical fiber communication circuit. The power distribution equipment intelligent control device comprises a looped network switch cabinet intelligent control device, a stage change power supply equipment intelligent control device and a segmental switch intelligent control device. The network distribution control centre comprises a signal processing circuit, an equipment operation parameter checking and remote operation circuit and an information display circuit. The power distribution equipment intelligent control device is connected with an intelligent control central circuit through the optical fiber communication circuit; the output end head of a single processing circuit of the intelligent control centre is connected with the information display circuit; the output end head of the equipment operation parameter checking and remote operation circuit is connected with the signal processing circuit; and the output of the signal processing circuit is connected with an emitting circuit of an optical transmitter and receiver of the optical fiber communication circuit. The application of the 10kV network distribution intelligent control system plays a positive role in promoting the development of poer grid intelligent construction.
Description
Technical field
The present invention relates to a kind of 10kV distribution system supply intelligent control technology, specifically, is a kind of distribution power-supply unit operational management intelligence control system that is applied to.
Background technology
The intelligent grid construction is carried out in electric system at present comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management, intellectual analysis.The distribution intelligent control technology is used and has only just been begun starting, because a variety of causes fails to be generalizable always comprehensively, for the research of distribution supply intelligent control technology, be primarily aimed at 10kV substation transformer, loop-network switch cabinet, on-load switch, reach following 400V distribution system, carry out Based Intelligent Control, intelligent management, intellectual analysis.
10kV distribution supply intelligent control technology research and construction, to play very big promotion to the power distribution system equipment safety and economic operation, at present the substation transformer of operation, loop-network switch cabinet, 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 in an all-round way and use distribution supply intelligent control technology, will play crucial effects to the technical development of electrical network intelligent management.
Summary of the invention
The objective of the invention is to realize by following technical scheme:
10kV distribution supply intelligent control system comprises the controller switching equipment intelligence controlling device, distribution intelligent control center, optical fiber communication circuit; Described controller switching equipment intelligence controlling device comprises the loop-network switch cabinet intelligence controlling device, becomes platform power-supply unit intelligence controlling device, block switch intelligence controlling device; Described distribution intelligent control center comprises signal processing circuit, and the equipment operation parameter is checked and the remote operation circuit, information display circuit; The loop-network switch cabinet intelligence controlling device of described controller switching equipment intelligence controlling device, change platform power-supply unit intelligence controlling device, block switch intelligence controlling device connect the distribution intelligent control center by the optical fiber communication circuit;
The signal processing circuit of described intelligent control center has two kinds of signal Processing, and the one, from the fiber optic optical receiving circuit output signal of optical fiber communication circuit, the output termination connects described information display circuit after signal processing circuit is handled; The 2nd, the equipment operation parameter is checked and the output of remote operation circuit connects described signal processing circuit, and signal processing circuit is handled the fiber optic radiating circuit that back signal output connects the optical fiber communication circuit.
Described controller switching equipment intelligence controlling device comprises the signal data acquisition circuit, and signal data calculates decision circuitry, equipment operation circuit, optical fibre communication cable fiber optic circuit;
Wherein, described signal data acquisition circuit collects signal data output from the distribution net equipment electric power system, and a termination connects signal data and calculates decision circuitry, and another termination connects described optical fibre communication cable terminating machine circuit; Described signal data calculating decision circuitry is exported a termination and is connected described equipment operation circuit, and another termination connects described optical fibre communication cable terminating machine circuit; Described equipment operation circuit is connected with described optical fibre communication cable terminating machine circuit, and described optical fibre communication cable terminating machine circuit output end head connects described distribution intelligent control center.
The optical fiber communication circuit comprises controller switching equipment intelligence controlling device end fiber optic circuit, optical fibre communication cable, distribution intelligent control center end fiber optic circuit; Described controller switching equipment intelligence controlling device end fiber optic circuit is connected with described optical fibre communication cable circuit, and optical fibre communication cable is connected with described distribution intelligent control center end fiber optic circuit.
Signal processing circuit comprises received signal treatment circuit, emissioning signal treatment circuit; Described received signal treatment circuit comprises decoding circuit, signal processing circuit, executive circuit; Described emissioning signal treatment circuit comprises signal input circuit, coding circuit, signal conversion circuit;
Wherein: described received signal treatment circuit is that the receiving circuit from the optical fibre communication cable terminating machine obtains signal, connect described decoding circuit, decoding circuit connects described signal processing circuit, and signal processing circuit connects described executive circuit, and executive circuit connects described information display circuit; Described emissioning signal treatment circuit is that the slave unit operational factor is checked and the remote operation circuit obtains signal, connect described signal processing circuit, signal processing circuit connects described coding circuit, coding circuit connects described signal conversion circuit, and signal conversion circuit output connects the radiating circuit of described optical fibre communication cable terminating machine.
Information display circuit comprises the geographic position display circuit, switch divide-shut brake position sound, light display circuit, equipment failure title, location circuit, the various operational factor display circuits of distribution system.
The equipment operation parameter is checked and the remote operation circuit comprises, becomes platform power-supply unit operational factor and checks and switch remote operation circuit that the loop-network switch cabinet operational factor checks and switch remote operation circuit that the block switch operational factor is checked and switch remote operation circuit; Described change platform power-supply unit parameter is checked and switch remote operation circuit, the loop-network switch cabinet parameter is checked and switch remote operation circuit, the block switch parameter is checked and switch remote operation circuit is connected with the signal processing circuit of described distribution intelligent control center respectively, and signal processing circuit connects the optical transmission circuit of distribution intelligent control center end fiber optic.
The signal data acquisition circuit comprises loop-network switch cabinet power switch branch, close the position signal acquisition circuit, the block switch branch, close the position signal acquisition circuit, transformer high-voltage switch branch, close the position signal acquisition circuit, transformer low voltage switch branch, close the position signal acquisition circuit, the transformer temperature signal collection circuit, the cable temperature signal acquisition circuit, the high-tension current signal acquisition circuit, high pressure phase line disconnection signal Acquisition Circuit, high pressure phase line ground signalling Acquisition Circuit, the low voltage voltage signal acquisition circuit, the low-tension current signal acquisition circuit, the neutral line current signal acquisition circuit, the power factor signal acquisition circuit, low pressure phase line ground signalling Acquisition Circuit, the neutral line break signal acquisition circuit, transformers connected in parallel operation automatic switching device position signal acquisition circuit, reactive-load compensation equipment automatic switching device position signal acquisition circuit; Described signal data acquisition circuit one termination connects signal data and calculates decision circuitry; Another termination connects described controller switching equipment intelligence controlling device end fiber optic circuit;
Wherein, described loop-network switch cabinet power switch branch, closing the position signal acquisition circuit, is from described power switch motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described block switch branch, closing the position signal acquisition circuit, is from described block switch motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described transformer high-voltage switch branch, closing the position signal acquisition circuit, is from described high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described transformer low voltage switch branch, closing the position signal acquisition circuit, is from described low tension switch motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
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, controller switching equipment intelligence controlling device end fiber optic circuit;
Described cable temperature signal acquisition circuit, be that the detector unit digital temperature sensor is connected in a certain position of described cable end, gather the cable temperature data-signal from detector unit, be connected in signal data and calculate decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described high-tension current signal acquisition circuit is that high-tension current is exported the current signal that is fit to requirement after current transformer and pull-up resistor conversion, inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described high pressure phase failure signal acquisition circuit is that phase failure pick-up unit output signal is inserted described controller switching equipment intelligence controlling device end fiber optic circuit;
Described high pressure phase line ground signalling Acquisition Circuit is that phase line ground detection device output signal is inserted described controller switching equipment intelligence controlling device end fiber optic circuit;
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, controller switching equipment intelligence controlling device end fiber optic circuit;
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 pull-up resistor conversion, inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described neutral line current signal acquisition circuit is that neutral line current is exported the current signal that is fit to requirement after current transformer and pull-up resistor conversion, inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described power factor signal acquisition circuit,, reactive energy signal meritorious from active electric energy meter, reactive energy-meter collection inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described low pressure phase line ground signalling Acquisition Circuit is gathered the phase line ground signalling from residual current operated protective device, inserts controller switching equipment intelligence controlling device end fiber optic circuit;
Described neutral line break signal acquisition circuit is gathered the neutral line break signal from the neutral line break protector, inserts controller switching equipment intelligence controlling device end fiber optic circuit;
Described transformers connected in parallel operation automatic switching device position signal acquisition circuit is with the high-voltage switch gear motor-operating mechanism auxiliary contact place collection position signal of parallel running automatic switching device, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described reactive-load compensation equipment automatic switching device position signal acquisition circuit is with the switch motor-operating mechanism auxiliary contact place collection position signal of compensation equipment automatic switching device, is connected in controller switching equipment intelligence controlling device end fiber optic 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 and exports a termination, 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, connects described equipment operation circuit, controller switching equipment intelligence controlling device end fiber optic circuit respectively.
Equipment operation circuit comprises branch, the contacting controling circuit of loop-network switch cabinet power switch (1) motor drive mechanism, branch, the contacting controling circuit of loop-network switch cabinet power switch (2) motor drive mechanism, branch, the contacting controling circuit of transformer high-voltage switch motor drive mechanism, branch, the contacting controling circuit of transformer low voltage switch motor drive mechanism, the transformers connected in parallel economical operation is thrown automatically, the control circuit of cutting apparatus, and reactive-load compensation equipment is thrown automatically, the control circuit of cutting apparatus; The equipment operation circuit input signal calculates decision circuitry, optical fibre communication cable fiber optic receiving circuit output termination from signal data respectively.
This 10kV distribution supply intelligent control system is to utilize advanced computer technology, monitoring technology, automatic control technology, modern communication technology, thereby develop a kind of distribution system transformer, loop-network switch cabinet, on-load switch of being used for, the Long-distance Control of 400V system, real time data detect, intellectualized management system.The relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, specifically, this 10kV distribution supply intelligent chemical control system systems technology progress, reasonable in design, desirable realization distribution supply intelligent control, intelligent management, intellectual analysis, intelligent construction will be played positive facilitation, the concrete advantage of this 10kV distribution supply intelligent control system for the development electrical network:
1, this 10kV distribution supply intelligent control system is monitored power distribution system secure economical operation situation at any time, has various protections and aut.eq. function, has improved the security of power supply.
2, this 10kV distribution supply intelligent control system is monitored distribution system power-supply unit running technology data at any time, can see voltage, electric current, the temperature of transformer, power distribution equipment at any time by remote measurement, remote signalling.
3, this 10kV distribution supply intelligent control system has remote control operating transformer, loop-network switch cabinet, on-load switch, reactive power source function, needs according to the device context operation, at any time can carry out the remote control operation, shorten the operating equipment time, reduce the loss that do not have.
4, this 10kV distribution supply intelligent control system has distribution system power-supply unit abnormal failure warning function.
Description of drawings
Fig. 1 is a 10kV distribution intelligence control system composition frame chart of the present invention;
Fig. 2 is a controller switching equipment intelligence controlling device composition frame chart of the present invention
Fig. 3 is an optical fiber communication circuit composition frame chart of the present invention;
Fig. 4 A is the received signal treatment circuit block diagram of signal processing circuit of the present invention;
Fig. 4 B is the emissioning signal treatment circuit block diagram of signal processing circuit of the present invention;
Fig. 5 is an information display circuit composition frame chart of the present invention;
Fig. 6 is that equipment operation parameter of the present invention is checked and remote operation circuit composition frame chart;
Fig. 7 is a signal data acquisition circuit block diagram of the present invention;
Fig. 8 is that signal data of the present invention calculates the decision circuitry block diagram;
Fig. 9 is an equipment operation circuit block diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 1, be 10kV distribution intelligence control system composition frame chart of the present invention, this system comprises controller switching equipment intelligence controlling device 1, optical fiber communication circuit 2, distribution intelligent control center 3; Described controller switching equipment intelligence controlling device comprises change platform power-supply unit intelligence controlling device, block switch intelligence controlling device, loop-network switch cabinet intelligence controlling device; Described distribution intelligent control center comprises that signal processing circuit, equipment operation parameter are checked and remote operation circuit, information display circuit; The loop-network switch cabinet intelligence controlling device of described controller switching equipment intelligence controlling device, change platform power-supply unit intelligence controlling device, the block switch intelligence controlling device is connected with the signal processing circuit of intelligent control center by the optical fiber communication circuit;
The signal processing circuit of described intelligent control center has two kinds of signal Processing, and the one, from the fiber optic optical receiving circuit output signal of optical fiber communication circuit, the output termination connects described information display circuit after signal processing circuit is handled; The 2nd, the equipment operation parameter is checked and the output of remote operation circuit connects described signal processing circuit, and signal processing circuit is handled the fiber optic radiating circuit that back signal output connects the optical fiber communication circuit.
Described distribution is made up of equipment such as some loop-network switch cabinets, change platform power-supply unit, block switches, and distribution net equipment is connected with the distribution intelligent control center by the optical fiber communication circuit.Each distribution net equipment all has intelligence controlling device, and intelligence controlling device is handled the fault that equipment takes place automatically, and failure message is sent to the distribution intelligent control center, demonstrates the position of fault, fault title on the intelligent control center display screen.
Normal operator on duty carries out walkaround inspection to the equipment operation situation, can operate one by one at intelligent control center and check, when needing a distant place to carry out operation of equipment, can directly operate at intelligent control center.
Shown in Figure 2 is controller switching equipment intelligence controlling device composition frame chart of the present invention, and described controller switching equipment intelligence controlling device comprises signal data acquisition circuit 21, and signal data calculates decision circuitry 22, equipment operation circuit 23, optical fibre communication cable fiber optic circuit 24;
Wherein, described signal data acquisition circuit collects signal data from the distribution net equipment electric power system, exports a termination and connects signal data calculating decision circuitry, and another termination connects optical fibre communication cable terminating machine circuit; Signal data calculating decision circuitry is exported a termination connection device function circuit, another termination connects described optical fibre communication cable terminating machine circuit, described equipment operation circuit connects described optical fibre communication cable terminating machine circuit, and described optical fibre communication cable terminating machine circuit output end head connects described distribution intelligent control center.
Signal acquisition circuit collects real-time data signal from the controller switching equipment electric power system, be transferred to data computation judgment processing circuit, optical fibre communication cable terminating machine circuit respectively, various signal datas calculate comparison by data computation judgment processing circuit, judge the system equipment state, if breaking down, system equipment starts protection, the protection actuating signal is transferred to equipment operation circuit and trips, and Transmission Fibers telecommunication cable terminating machine circuit is reported to the police simultaneously; After system equipment generation state variation, situation after the system equipment state variation is informed the shift electrician.
When system equipment need change state, operate by a distant place, the electrician need not arrive device context.
Shown in Figure 3 is optical fiber communication circuit of the present invention, comprises controller switching equipment intelligence controlling device end fiber optic circuit 31, optical fibre communication cable 32, distribution intelligent control center end fiber optic circuit 33; Described controller switching equipment intelligence controlling device end fiber optic circuit is connected with described optical fibre communication cable circuit, optical fibre communication cable is connected with described distribution intelligent control center end fiber optic circuit, and distribution intelligent control center end fiber optic circuit connects distribution intelligent control center circuit.
When outwards transmitting, be carried out in accordance with regulations coding, outwards transmit behind the coding.After receiving certain signal, be carried out in accordance with regulations decoding and be transferred to executive circuit.
Fig. 4 A is the received signal treatment circuit block diagram of signal processing circuit of the present invention; Signal processing circuit comprises received signal treatment circuit, emissioning signal treatment circuit; Described received signal treatment circuit comprises decoding circuit 41, signal processing circuit 42, executive circuit 43;
Described received signal treatment circuit is that the receiving circuit from the optical fibre communication cable terminating machine obtains signal, insert described decoding circuit, decoding circuit connects described signal processing circuit, signal processing circuit connects described executive circuit, executive circuit connects described information display circuit, shows particular content.
Fig. 4 B is the emissioning signal treatment circuit block diagram of signal processing circuit of the present invention; Described emissioning signal treatment circuit comprises signal input circuit, coding circuit, signal conversion circuit;
Described emissioning signal treatment circuit is that the slave unit operational factor is checked and the remote operation circuit obtains signal, insert described signal processing circuit, signal processing circuit connects described coding circuit, coding circuit connects described signal conversion circuit, signal conversion circuit output connects the radiating circuit of described optical fibre communication cable terminating machine, passes the signal to the controller switching equipment intelligence controlling device.
Shown in Figure 5 is information display circuit composition frame chart of the present invention; Information display circuit comprises geographic position display circuit 51, switch divide-shut brake position sound and light show circuit 52, equipment failure title and abort situation circuit 53, the various operational factor display circuits 54 of distribution system; Described information display circuit input signal derives from signal processing circuit.
Wherein, the distribution geographic position present situation figure that the geographic position display circuit adopts computer software to draw out shows street name, platform district switch, loop-network switch cabinet switch, block switch position and numbering in the drawings;
Switch divide-shut brake position sound, light display circuit, display station district switch, loop-network switch cabinet switch, block switch state have three kinds in the drawings, first kind is that the switch closing position shows ruddiness, second kind is switch separating brake position display green glow, and the third is that fault tripping operation is dodged green glow, sent the loudspeaker cry simultaneously;
When system breaks down, demonstrate abort situation with Chinese character on the display screen, the fault title;
The various operational factor display circuits of distribution system, show that in the drawings change platform power-supply unit, loop-network switch cabinet, block switch place are equipped with various signal acquisition circuits, when various operational factor is checked in operation, display station district, loop-network switch cabinet, block switch place operational factor in screen map.
The display of display circuit adopts liquid crystal or plasma display.
After receiving circuit receives certain signal, on the display screen of information display circuit, demonstrate particular content immediately, if after receiving certain fault-signal, certain equipment has lamp bright on information display screen, the loudspeaker sound is arranged, demonstrate concrete fault title, position simultaneously, reference when giving operator on duty's handling failure.
Shown in Figure 6 is that equipment operation parameter of the present invention is checked and remote operation circuit composition frame chart; The equipment operation parameter is checked and the remote operation circuit comprises that becoming platform power-supply unit operational factor checks and switch remote operation circuit 61, the loop-network switch cabinet operational factor checks and switch remote operation circuit 62 that the block switch operational factor is checked and switch remote operation circuit 63; Described change platform power-supply unit parameter checks and switch remote operation circuit that the loop-network switch cabinet parameter checks and switch remote operation circuit that the block switch parameter is checked and the output of switch remote operation circuit is connected with signal processing circuit respectively.
Becoming platform power-supply unit operational factor checks and switch remote operation circuit, and adopt operating key to carry out coded system, coding divides several levels to carry out, and at first selects a letter b indication transformer platform district; In a certain transformer platform district of selecting one three position digital coding representative; The 3rd step selection operation project: T1, T2 represent the temperature of No. 1, No. 2 transformer, LT1, LT2, LT3 represent the temperature of threephase cable, GA represents high-tension current, and DA1, DA2, DA represent the three-phase low-tension current, and LA represents neutral line current, DV represents low voltage voltage, S represents power factor, and G1, G2 represent the transformer high-voltage switch, and D1, D2 represent the transformer low voltage switch, BT represents the transformers connected in parallel switching device, W reactive apparatus switching device; The 4th step selection function: H represents to close a floodgate, and F represents separating brake, and K represents to check; The 5th step is fixed for confirming, the 6th step is for carrying out;
Loop-network switch cabinet equipment operation parameter is checked and switch remote operation circuit, at first selects an alphabetical H to represent loop-network switch cabinet; At a certain loop-network switch cabinet of selecting one three position digital coding representative; The 3rd step selection operation project: GA represents high-tension current, and LT1, LT2, LT3 represent the temperature of threephase cable, and on behalf of power switch 1,2, the four step of power switch selection function: H, G1, G2 represent to close a floodgate, and F represents separating brake, and K represents to check; The 5th step is for confirming; The 6th step is for carrying out;
Block switch equipment operation parameter is checked and switch remote operation circuit; At first select an alphabetical K to represent block switch; At a certain block switch of selecting one three position digital coding representative, the 3rd step selection operation project: GA represents high-tension current, and LT1, LT2, LT3 represent the temperature of threephase cable, G1, represent power switch, the 4th step selection function: H represents to close a floodgate, and F represents separating brake, and K represents to check; The 5th step is for confirming; The 6th step is for carrying out;
When personnel on duty make an inspection tour the equipment operation situation, can carry out operation of equipment one by one at intelligent control center and check each equipment operation parameter, when needing a distant place to carry out operation of equipment, can directly operate at intelligent control center.
Shown in Figure 7 is signal data acquisition circuit block diagram of the present invention, the signal data acquisition circuit comprises described loop-network switch cabinet power switch 1 minute, close position signal acquisition circuit 7A, loop-network switch cabinet power switch 2 minutes, close position signal acquisition circuit 7B, the block switch branch, close position signal acquisition circuit 7C, transformer high-voltage switch branch, close position signal acquisition circuit 7E, transformer low voltage switch branch, close position signal acquisition circuit 7F, transformer temperature signal collection circuit 7G, cable temperature signal acquisition circuit 7H, high-tension current signal acquisition circuit 7I, high pressure phase line disconnection signal Acquisition Circuit 7J, high pressure phase line ground signalling Acquisition Circuit 7K, low voltage voltage signal acquisition circuit 7M, low-tension current signal acquisition circuit 7N, neutral line current signal acquisition circuit 7S, power factor signal acquisition circuit 7Q, low pressure phase line ground signalling Acquisition Circuit 7R, neutral line break signal acquisition circuit 7X, transformers connected in parallel operation automatic switching device position signal acquisition circuit 7Y, reactive-load compensation equipment automatic switching device position signal acquisition circuit 7Z; Described signal data acquisition circuit one termination connects signal data and calculates decision circuitry; Described another termination connects the optical fiber communication radiating circuit;
Wherein, described loop-network switch cabinet power switch branch, closing the position signal acquisition circuit, is to gather switch position signal from the switch motor-operating mechanism auxiliary contact of described loop-network switch cabinet, is connected in optical fibre communication cable fiber optic radiating circuit; When system broke down, signal data calculated decision circuitry and sends the protection trip signal, and switch trip sends alerting signal after switch generation displacement.
Described block switch branch, closing the position signal acquisition circuit, is from described block switch motor-operating mechanism auxiliary contact collection position signal, is connected in optical fibre communication cable fiber optic radiating circuit; When system broke down, signal data calculated decision circuitry and sends the protection trip signal, and switch trip sends alerting signal after switch generation displacement.
Described transformer high-voltage switch branch, closing the position signal acquisition circuit, is to gather the high-voltage switch gear position signalling from described high-voltage switch gear motor-operating mechanism auxiliary contact, is connected in optical fibre communication cable fiber optic radiating circuit; When system broke down, signal data calculated decision circuitry and sends the protection trip signal, and switch trip sends alerting signal after switch generation displacement.
Described transformer low voltage switch branch, closing the position signal acquisition circuit, is from described transformer low voltage switch motor-operating mechanism auxiliary contact collection position circuit signal, is connected in optical fibre communication cable fiber optic radiating circuit; When low-pressure system broke down, signal data calculated decision circuitry and sends the protection trip signal, switch trip, and alerting signal is sent in low tension switch generation displacement.
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, optical fibre communication cable fiber optic radiating circuit; When the collecting temperature data relatively exceed setting by the data computation judgement, send alerting signal, point out the overtemperature disposal route simultaneously.
Described cable temperature signal acquisition circuit, be that the detector unit digital temperature sensor is connected in a certain position of described cable end, gather the cable temperature data-signal from detector unit, be connected in signal data and calculate decision circuitry, optical fibre communication cable fiber optic radiating circuit; When the collecting temperature data relatively exceed setting by calculating, send alerting signal, point out the overtemperature disposal route simultaneously.
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 pull-up resistor conversion, inserts signal data and calculates decision circuitry, optical fibre communication cable fiber optic radiating circuit; 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 warning is sent in the tripping operation of protection step switch simultaneously.
Described high pressure phase failure signal acquisition circuit is that phase failure pick-up unit output signal is inserted the logical radiating circuit of described optical fiber; After system's generation high pressure phase failure, signal is reported to the police by optical fibre communication cable fiber optic radiating circuit, and the prompting electrician handles as early as possible.
Described high pressure phase line ground signalling Acquisition Circuit is that the detected signal of phase line ground detection device is inserted described optical fiber communication radiating circuit; After system's generation high pressure phase line ground connection, the phase line signal is reported to the police by optical fibre communication cable fiber optic radiating circuit, and the prompting electrician handles as early as possible.
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, optical fibre communication cable fiber optic radiating circuit; When systematic parameter changes, calculated superpotential, under-voltage by microcomputer, just send superpotential, under-voltage alerting signal, or trip signal.
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 pull-up resistor conversion, inserts signal data and calculates decision circuitry, optical fibre communication cable fiber optic radiating circuit; When systematic parameter changes, calculate the super setting of current parameters by microcomputer, send the excess current alerting signal, or trip signal.
Described neutral line current signal acquisition circuit is that neutral line current is exported the current signal that is fit to requirement after current transformer and pull-up resistor conversion, inserts signal data and calculates decision circuitry, optical fibre communication cable fiber optic radiating circuit; Relatively exceed setting when gathering the neutral line current signal data by the data computation decision circuitry, just send alerting signal.
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, optical fibre communication cable fiber optic radiating circuit; Carry out the automatic switching reactive apparatus according to the power factor size.
Described low pressure phase line ground signalling Acquisition Circuit is gathered phase line ground signalling, incoming fiber optic telecommunication cable fiber optic radiating circuit from residual current operated protective device; After system's generation phase line ground connection, send alerting signal.
Described neutral line break signal acquisition circuit is gathered neutral line break signal, incoming fiber optic telecommunication cable fiber optic radiating circuit from the neutral line break protector; Behind system's generation neutral line break, have a power failure, send alerting signal.
Described transformers connected in parallel operation automatic switching device position signal acquisition circuit from high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal, is connected in optical fibre communication cable fiber optic radiating circuit; When system loading became big, transformer dropped into an operation automatically, and when system loading diminished, transformer withdrawed from an operation automatically, and sends alerting signal.
Described reactive-load compensation equipment automatic switching device position signal acquisition circuit from low tension switch motor-operating mechanism auxiliary contact collection position signal, is connected in optical fibre communication cable fiber optic radiating circuit; When the system power factor became big, reactive-load compensation equipment was out of service automatically, and when the system power factor diminished, reactive-load compensation equipment put into operation automatically, and sent alerting signal.
Shown in Figure 8 is that signal data of the present invention calculates the decision circuitry block diagram, and signal data calculates decision circuitry and comprises: A/D translation circuit 81, calculating decision circuitry 82, executive component 83; Described executive component output has two terminations, and a termination connects described equipment operation circuit, and other end head connects described optical fibre communication cable fiber optic radiating circuit.
Described A/D translation circuit 81 inputs connect described signal data acquisition circuit output end head, the output of A/D translation circuit connects described calculating decision circuitry 82, calculate decision circuitry and connect described executive component 83, executive component is exported a termination and is connected described equipment operation circuit, and another termination connects described optical fibre communication cable fiber optic radiating 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.
Shown in Figure 9 is equipment operation circuit block diagram of the present invention, equipment operation circuit comprises divide-shut brake control circuit 9A, the divide-shut brake control circuit 9B of loop-network switch cabinet power switch 2 motor drive mechanisms, the divide-shut brake control circuit 9C of block switch motor drive mechanism of loop-network switch cabinet power switch 1 motor drive mechanism, the divide-shut brake control circuit 9E of transformer high-voltage switch motor drive mechanism, the divide-shut brake control circuit 9F of transformer low voltage switch motor drive mechanism, the control circuit 9G of transformers connected in parallel automatic switching device for economic operation, the control circuit 9H of reactive-load compensation equipment automatic switching device;
Equipment remote-control operation signal calculates decision circuitry from signal data respectively and exports a termination, optical fibre communication cable fiber optic radiating circuit, and after operation of equipment was carried out, the output of equipment state variable signal connected optical fibre communication cable fiber optic radiating circuit.
The divide-shut brake control circuit of described loop-network switch cabinet power switch motor drive mechanism is meant power switch motor drive mechanism branch, the closing circuit of described operation; After power switch obtained branch, switching signal, power switch divided automatically, closing operation, reported to the police after switching-on and switching-off state changes and told the electrician.But switch execute-in-place, but also distant place control operation.
The divide-shut brake control circuit of described block switch motor drive mechanism is meant block switch motor drive mechanism branch, the closing circuit of described operation; After block switch obtained branch, switching signal, block switch divided automatically, closing operation, reported to the police after the block switch state changes and told the electrician.But switch execute-in-place, but also remote operation.
Described transformer high-voltage switch branch, contacting controling circuit are meant 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 the electrician.But switch execute-in-place, but also remote operation.
Described transformer low voltage switch branch, contacting controling circuit 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 the electrician.But switch execute-in-place, but also remote operation.
The control circuit of described transformers connected in parallel automatic switching device for economic operation is meant 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 electrician.But transformers connected in parallel automatic switching device for economic operation switch execute-in-place, but also remote operation.
The control circuit of described reactive-load compensation equipment automatic switching device is meant the automatic operation switching loop of described reactive-load compensation equipment automatic switching device; After obtaining the power factor 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 the electrician.But reactive-load compensation equipment automatic switching device switch execute-in-place, but also remote operation.
When personnel on duty need carry out remote operation to system equipment, can finish by remote-control operation, can shorten the time like this, and improve the power supply safety reliability.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention 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 (9)
1. 10kV distribution intelligence control system, it is characterized in that: this system comprises the controller switching equipment intelligence controlling device, distribution intelligent control center, optical fiber communication circuit; Described controller switching equipment intelligence controlling device comprises the loop-network switch cabinet intelligence controlling device, becomes platform power-supply unit intelligence controlling device, block switch intelligence controlling device; Described distribution intelligent control center comprises signal processing circuit, and the equipment operation parameter is checked and the remote operation circuit, information display circuit; The loop-network switch cabinet intelligence controlling device of described controller switching equipment intelligence controlling device, change platform power-supply unit intelligence controlling device, block switch intelligence controlling device connect the distribution intelligent control center by the optical fiber communication circuit;
The signal processing circuit of described intelligent control center has two kinds of signal Processing, and the one, from the fiber optic optical receiving circuit output signal of optical fiber communication circuit, the output termination connects described information display circuit after signal processing circuit is handled; The 2nd, the equipment operation parameter is checked and the output of remote operation circuit connects described signal processing circuit, and signal processing circuit is handled the fiber optic radiating circuit that back signal output connects the optical fiber communication circuit.
2. 10kV distribution intelligence control system according to claim 1 is characterized in that: described controller switching equipment intelligence controlling device comprises the signal data acquisition circuit, and signal data calculates decision circuitry, equipment operation circuit, optical fibre communication cable fiber optic circuit;
Wherein, described signal data acquisition circuit collects signal data output from the distribution net equipment electric power system, and a termination connects signal data and calculates decision circuitry, and another termination connects described optical fibre communication cable terminating machine circuit; Described signal data calculating decision circuitry is exported a termination and is connected described equipment operation circuit, and another termination connects described optical fibre communication cable terminating machine circuit; Described equipment operation circuit is connected with described optical fibre communication cable terminating machine circuit, and described optical fibre communication cable terminating machine circuit output end head connects described distribution intelligent control center.
3. 10kV distribution intelligence control system according to claim 1 is characterized in that: the optical fiber communication circuit comprises controller switching equipment intelligence controlling device end fiber optic circuit, optical fibre communication cable, distribution intelligent control center end fiber optic circuit; Described controller switching equipment intelligence controlling device end fiber optic circuit is connected with described optical fibre communication cable circuit, and optical fibre communication cable is connected with described distribution intelligent control center end fiber optic circuit.
4. 10kV distribution intelligence control system according to claim 1, it is characterized in that: signal processing circuit comprises received signal treatment circuit, emissioning signal treatment circuit; Described received signal treatment circuit comprises decoding circuit, signal processing circuit, executive circuit; Described emissioning signal treatment circuit comprises signal input circuit, coding circuit, signal conversion circuit;
Wherein: described received signal treatment circuit is that the receiving circuit from the optical fibre communication cable terminating machine obtains signal, connect described decoding circuit, decoding circuit connects described signal processing circuit, and signal processing circuit connects described executive circuit, and executive circuit connects described information display circuit; Described emissioning signal treatment circuit is that the slave unit operational factor is checked and the remote operation circuit obtains signal, connect described signal processing circuit, signal processing circuit connects described coding circuit, coding circuit connects described signal conversion circuit, and signal conversion circuit output connects the radiating circuit of described optical fibre communication cable terminating machine.
5. 10kV distribution intelligence control system according to claim 1, it is characterized in that: information display circuit comprises the geographic position display circuit, switch divide-shut brake position sound, light display circuit, equipment failure title, location circuit, the various operational factor display circuits of distribution system.
6. 10kV distribution intelligence control system according to claim 1, it is characterized in that: the equipment operation parameter is checked and the remote operation circuit comprises, becoming platform power-supply unit operational factor checks and switch remote operation circuit, the loop-network switch cabinet operational factor checks and switch remote operation circuit that the block switch operational factor is checked and switch remote operation circuit; Described change platform power-supply unit parameter is checked and switch remote operation circuit, the loop-network switch cabinet parameter is checked and switch remote operation circuit, the block switch parameter is checked and switch remote operation circuit is connected with the signal processing circuit of described distribution intelligent control center respectively, and signal processing circuit connects the optical transmission circuit of distribution intelligent control center end fiber optic.
7. 10kV distribution intelligence control system according to claim 2 is characterized in that: the signal data acquisition circuit comprises loop-network switch cabinet power switch branch, close the position signal acquisition circuit, the block switch branch, close the position signal acquisition circuit, transformer high-voltage switch branch, close the position signal acquisition circuit, transformer low voltage switch branch, close the position signal acquisition circuit, the transformer temperature signal collection circuit, the cable temperature signal acquisition circuit, the high-tension current signal acquisition circuit, high pressure phase line disconnection signal Acquisition Circuit, high pressure phase line ground signalling Acquisition Circuit, the low voltage voltage signal acquisition circuit, the low-tension current signal acquisition circuit, the neutral line current signal acquisition circuit, the power factor signal acquisition circuit, low pressure phase line ground signalling Acquisition Circuit, the neutral line break signal acquisition circuit, transformers connected in parallel operation automatic switching device position signal acquisition circuit, reactive-load compensation equipment automatic switching device position signal acquisition circuit; Described signal data acquisition circuit one termination connects signal data and calculates decision circuitry; Another termination connects described controller switching equipment intelligence controlling device end fiber optic circuit;
Wherein, described loop-network switch cabinet power switch branch, closing the position signal acquisition circuit, is from described power switch motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described block switch branch, closing the position signal acquisition circuit, is from described block switch motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described transformer high-voltage switch branch, closing the position signal acquisition circuit, is from described high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described transformer low voltage switch branch, closing the position signal acquisition circuit, is from described low tension switch motor-operating mechanism auxiliary contact collection position signal, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
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, controller switching equipment intelligence controlling device end fiber optic circuit;
Described cable temperature signal acquisition circuit, be that the detector unit digital temperature sensor is connected in a certain position of described cable end, gather the cable temperature data-signal from detector unit, be connected in signal data and calculate decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described high-tension current signal acquisition circuit is that high-tension current is exported the current signal that is fit to requirement after current transformer and pull-up resistor conversion, inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described high pressure phase failure signal acquisition circuit is that phase failure pick-up unit output signal is inserted described controller switching equipment intelligence controlling device end fiber optic circuit;
Described high pressure phase line ground signalling Acquisition Circuit is that phase line ground detection device output signal is inserted described controller switching equipment intelligence controlling device end fiber optic circuit;
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, controller switching equipment intelligence controlling device end fiber optic circuit;
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 pull-up resistor conversion, inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described neutral line current signal acquisition circuit is that neutral line current is exported the current signal that is fit to requirement after current transformer and pull-up resistor conversion, inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described power factor signal acquisition circuit,, reactive energy signal meritorious from active electric energy meter, reactive energy-meter collection inserts signal data and calculates decision circuitry, controller switching equipment intelligence controlling device end fiber optic circuit;
Described low pressure phase line ground signalling Acquisition Circuit is gathered the phase line ground signalling from residual current operated protective device, inserts controller switching equipment intelligence controlling device end fiber optic circuit;
Described neutral line break signal acquisition circuit is gathered the neutral line break signal from the neutral line break protector, inserts controller switching equipment intelligence controlling device end fiber optic circuit;
Described transformers connected in parallel operation automatic switching device position signal acquisition circuit is with the high-voltage switch gear motor-operating mechanism auxiliary contact place collection position signal of parallel running automatic switching device, is connected in controller switching equipment intelligence controlling device end fiber optic circuit;
Described reactive-load compensation equipment automatic switching device position signal acquisition circuit is with the switch motor-operating mechanism auxiliary contact place collection position signal of compensation equipment automatic switching device, is connected in controller switching equipment intelligence controlling device end fiber optic circuit.
8. 10kV distribution intelligence control system according to claim 2 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 and exports a termination, 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, connects described equipment operation circuit, controller switching equipment intelligence controlling device end fiber optic circuit respectively.
9. 10kV distribution intelligence control system according to claim 2, it is characterized in that: equipment operation circuit comprises branch, the contacting controling circuit of loop-network switch cabinet power switch (1) motor drive mechanism, branch, the contacting controling circuit of loop-network switch cabinet power switch (2) motor drive mechanism, branch, the contacting controling circuit of transformer high-voltage switch motor drive mechanism, branch, the contacting controling circuit of transformer low voltage switch motor drive mechanism, the transformers connected in parallel economical operation is thrown automatically, the control circuit of cutting apparatus, and reactive-load compensation equipment is thrown automatically, the control circuit of cutting apparatus; The equipment operation circuit input signal calculates decision circuitry, optical fibre communication cable fiber optic receiving circuit output termination from signal data respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202273424U CN201876707U (en) | 2010-06-05 | 2010-06-05 | 10kV network distribution intelligent control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202273424U CN201876707U (en) | 2010-06-05 | 2010-06-05 | 10kV network distribution intelligent control system |
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| CN201876707U true CN201876707U (en) | 2011-06-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553807A (en) * | 2016-01-31 | 2016-05-04 | 李松林 | 10kV low voltage smart power distribution network system with looped network communication structure |
| CN106961107A (en) * | 2017-03-23 | 2017-07-18 | 国网湖北省电力公司十堰供电公司 | Transformer networking control method and device |
| CN111624396A (en) * | 2020-05-13 | 2020-09-04 | 新风光电子科技股份有限公司 | Current isolation acquisition device for 35kV direct hanging type SVG |
-
2010
- 2010-06-05 CN CN2010202273424U patent/CN201876707U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553807A (en) * | 2016-01-31 | 2016-05-04 | 李松林 | 10kV low voltage smart power distribution network system with looped network communication structure |
| CN105553807B (en) * | 2016-01-31 | 2019-01-15 | 徐州市苏能供电工程有限公司 | A kind of 10kV low-voltage intelligent distribution network system with looped network communication structure |
| CN106961107A (en) * | 2017-03-23 | 2017-07-18 | 国网湖北省电力公司十堰供电公司 | Transformer networking control method and device |
| CN111624396A (en) * | 2020-05-13 | 2020-09-04 | 新风光电子科技股份有限公司 | Current isolation acquisition device for 35kV direct hanging type SVG |
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