CN102510131B - Method and device for testing overall performance of intelligent transformer substation - Google Patents
Method and device for testing overall performance of intelligent transformer substation Download PDFInfo
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Abstract
The invention discloses a method and a device for testing the overall performance of an intelligent transformer substation. The method comprises the following steps of: by taking a secondary system of the intelligent transformer substation as a check object, checking a combination unit and a network switch of the intelligent transformer substation; by taking a primary main connecting wire of the intelligent transformer substation, and a line and a power supply which are linearly connected with the primary main connecting wire as objects, establishing a transformer substation simulation model; according to configuration and test requirements of an electronic transformer and switching equipment of the intelligent transformer substation, arranging an acquirer simulator and a switch simulator; by using a numerical value simulation method, acquiring a time domain simulation result of an object system; and under the control of a test control system, synchronously inputting test signals of the acquirer simulator into the combination unit, and uploading an intelligent operation box command which is received by the switch simulator to the test control system, so that checking of the functional accuracy of the secondary system of the intelligent transformer substation is finished. Based on a numerical value simulation technology, a wireless transmission technology and a network exchange technology, the invention has a true and reliable test result by validation.
Description
Technical field
The present invention relates to transformer station's overall performance test method and experimental rig, particularly intelligent substation overall performance test method and the experimental rig based on grid simulation and Radio Transmission Technology.
Background technology
The technical term (prior art) that the present invention uses:
Intelligent substation: be based upon on IEC61850 communication specification basis, can realize the modernization transformer station of the information sharing of intelligent electric equipment room and interoperability in transformer station.
Electronic mutual inductor: be divided into electronic current mutual inductor and electronic type voltage transformer, electronic mutual inductor is comprised of collector, merge cells and the optical fiber that connects both.
Collector: a part of electronic mutual inductor completes the analog-to-digital conversion of voltage and current signal, and utilizes optical fiber that digitized simulation amount signal is delivered to merge cells.
Merge cells: will be merged together from the signal of different acquisition device, form and meet the information group of different purposes, and these information groups are sent in digital form to the device of intelligent secondary device.
Protective relaying device: utilize electric current, voltage signal to realize fault judgement and provide a kind equipment of defencive function for primary equipment.
Electrical network is comprised of power plant, defeated supply network, transformer station, distribution network.Wherein, the transformer station of 110kV and above is the key link that connects defeated supply network and distribution network, in electrical network in core status.Transformer station provides the secondary devices such as protective relaying device that protection controls function, measuring and controlling, metering device to form by the primary equipment such as bus, transformer, switchgear, electric current (voltage) instrument transformer with for primary equipment.
Conventional substation is used electromagnetic type electric current (voltage) instrument transformer.At conventional substation, electric current (voltage) instrument transformer directly is connected with protective relaying device by cable, and protective relaying device is realized defencive function according to electric current (voltage) signal of measuring; When protective relaying device moves, be also with cable directly action command is delivered to circuit breaker minute, closing coil, drive circuit breaker trip.Therefore; only need the input signal with simulation signal generator place of current (voltage) instrument transformer; access the signal input part of protective relaying device, and detect the action command of protective relaying device output with the analog signal detection device, can complete the technical performance check to the check protective relaying device.
Intelligent substation is used electronic current (voltage) instrument transformer, optical current (voltage) instrument transformer.Different from conventional substation is, collector completes the digitlization of analog current (voltage) signal, then digital signal is delivered to merge cells, by merge cells, the electric current from different measuring point, voltage signal are organized, distributed, then the signal after combination is delivered to respectively to dissimilar protective relaying device; The action command of intelligent substation protective relaying device is expressed with the digitlization light signal, and the protection action command, except directly delivering to intelligent operation box tripping circuit breaker, also needs to deliver to the network switch for other devices.At intelligent substation, use due to merge cells and the network switch, make the tissue of protective relaying device input/output signal, distribute complicated, when protective relaying device is carried out to service check, if only the signal input part at the protective relaying device body applies the signal needed, although can complete the service check to device body, but test range does not comprise merge cells and the network switch, such test is failed to the tissue of protective device input signal, the distribution of distribution and transmission link and protective device output signal, transmission, the execution link is tested, make the check of intelligent substation protective device lose integrality.
At present; the method that is used for the intelligent substation relay protection examination does not all comprise tests to tissue, distribution and the transmission link of protective device input signal and distribution, transmission, the execution link of protective device output signal, makes the check of intelligent substation protective relaying device have defect on method.The defect of the method for inspection may cause intelligent substation to have technological deficiency in the construction period, and the intelligent substation security of operation is on the hazard, and when serious, may cause the substantial equipment accident to occur.
Summary of the invention
The problem and the defect that the objective of the invention is to exist for prior art provide a kind of intelligent substation overall performance test method; make can test to the links of the input and output signal of intelligent substation protective device by test; thereby the assurance check continuity, the safety operation level of raising intelligent substation.
Another object of the present invention is to provide the performance testing device of the intelligent substation electrical secondary system of implementing above-mentioned test method.
The object of the present invention is achieved like this: a kind of intelligent substation overall performance test method comprises the following steps:
1) according to test objective confirmed test scheme;
2) take main electrical scheme of intelligent substation and the circuit, the power supply that directly link with it is object, sets up the substation simulation system, with the needed whole electric signals of the tested intelligent substation electrical secondary system of emulation work;
3) the intelligent substation electrical secondary system is considered as to checked object, and merge cells and the network switch that will bear intelligent substation Information Organization, distribution function include test range in, during test, keep the integrality of tested electrical secondary system wiring;
4) according to configuration and the test demand of intelligent substation electronic current mutual inductor and electronic type voltage transformer, arrange the collector simulator; According to configuration and the test demand of intelligent substation switchgear, arrange the switch simulator;
5) according to intelligent substation protective relaying device and electrical secondary system overall performance check needs, determine simulated conditions, utilize numerical value emulation method, obtain the time-domain-simulation result of objective system;
6) GPS that adopts the controlled in wireless main frame to complete pilot system to the time, complete controlled in wireless main frame and collector simulator and switch simulator to the time, receive the time-domain-simulation result of intelligent substation analogue system and with wireless transmission method, by under this time-domain-simulation result, installing to the collector simulator, complete the Synchronization Control of test;
7) the collector simulator receives the time-domain-simulation data that the controlled in wireless main frame sends, under the controlled in wireless host computer control, and the merge cells by time-domain-simulation data simultaneous implantation to intelligent substation;
8) circuit breaker that in switch simulator reception intelligent substation electrical secondary system, intelligent operation box is exported divides, the combined floodgate control command; and the intelligent operation box order received is uploaded to the intelligent substation analogue system with wireless mode; check the protective relaying device action behavior simultaneously; the writing function inspection merge cells of network analyzer, fault oscillograph and the supervisory control system of utilizing electrical secondary system to configure and network switch Information Organization, distribution function correctness, complete the check to intelligent substation electrical secondary system function correctness.
Another object of the present invention is achieved in that a kind of testing apparatus for above-mentioned intelligent substation overall performance test method, comprising: the intelligent substation analogue system: notebook computer and the graphical modeling unit, simulation computing unit, waveform display unit and the experiment control unit that are installed in notebook computer, consist of; It is characterized in that also having, the controlled in wireless main frame be connected with notebook computer;
The controlled in wireless main frame is comprised of GPS lock unit, high stable master clock unit, wireless 1588 time service unit, wireless receiving and dispatching control unit;
The GPS lock unit: be connected with high stable master clock unit, receive the clock signal of gps satellite, and to the unit time service of high stable master clock;
High stable master clock unit: with wireless 1588 time service unit, be connected, according to the GPS time signal complete to the time, for pilot system provides synchronised clock;
Wireless 1588 time service unit: by high stable clock unit clock signal in wireless 1588 modes to collector simulator and the time service of switch simulator;
Wireless receiving and dispatching control unit: receive time-domain-simulation data and the control command of intelligent substation analogue system, with wireless mode, send time-domain-simulation packet and controlling test order;
Collector simulator: for receiving time-domain-simulation data and the controlling test order from the controlled in wireless main frame, according to the controlling test order, to merge cells, send the test data flow; The collector simulator comprises that the first wireless transmit/receive units, the first high stable are from clock unit, output control unit;
The first wireless transmit/receive units: receive clock sync signal, emulated data bag and the controlling test order of controlled in wireless main frame, clock sync signal is transferred to high stable from clock unit, emulated data bag and controlling test order are transferred to output control unit;
The first high stable is from clock unit: receive the clock sync signal of wireless transmit/receive units, be connected with output control unit; For providing, output control unit exports the clock signal of controlling;
Output control unit: from wireless transmit/receive units, obtain time-domain-simulation data and controlling test order, clock signal according to controlling test order and high stable from clock unit, form the output stream that meets accurate GB/T 20840.8 Q/GDW426-2010 of state's network mark by the time domain emulated data, send to the merge cells of intelligent substation through optical fiber;
Switch simulator: be connected with the intelligent substation control box; Detect the switching manipulation order that the intelligent substation control box sends, the switching manipulation order is stamped to time mark, and target switching manipulation order sends to the intelligent substation analogue system with wireless mode will be with the time; Receive the on off state that the intelligent substation analogue system issues, switch state is become to the make and break contact signal, and the make and break contact signal is delivered to the simulation of the intelligent operation box realization of transformer station to the intelligent substation on off state;
The switch simulator comprises that the second wireless transmit/receive units, the second high stable are from clock unit, input-output unit;
The second wireless transmit/receive units: receive from the clock sync signal of controlled in wireless main frame and the switch state signal of intelligent substation analogue system; Clock sync signal is transferred to high stable from clock unit, switch state signal is transferred to input-output unit; The switching manipulation order that the detection intelligent operation box sends is also beaten time mark, and in the time of being with, target switching manipulation order is uploaded the controlled in wireless main frame with wireless mode;
The second high stable is from clock unit: with the switch simulator, be connected; Receive the clock sync signal of wireless transmit/receive units, for the switch simulator provides clock signal;
Input-output unit: switch state signal is transformed into to the make and break contact signal; With intelligent operation box, be connected; Detect the switching manipulation order that intelligent operation box sends, it is stamped to time mark and is uploaded to controlled in wireless main frame and intelligent substation analogue system through wireless transmit/receive units.
The present invention proposes a kind of intelligent substation overall performance test method based on substation simulation and Radio Transmission Technology and realizes the needed substation simulation system of the method, wireless launcher, collector simulator and switch simulator.
The main points of this method are:
1, intelligent substation electrical secondary system (comprising the equipment such as protective relaying device, measuring and controlling, metering device, background monitoring system) is considered as to checked object.During test, tested electrical secondary system keeps connecting integrality.
2, adopting graphical modeling software to take transforming plant primary main electrical scheme and the circuit, the power supply that directly link with it is object, sets up by " substation simulation model ", adopts the needed whole electric signals of the tested electrical secondary system work of substation simulation software emulation.
3, according to the configuration of transformer station's electronic current (voltage) instrument transformer and test demand, configuration " collector simulator ".
4, according to the configuration of intelligent substation switchgear and test demand, configuration " switch simulator ".
5, according to intelligent substation protective relaying device and electrical secondary system overall performance are checked to needs; determine simulated conditions; set up the dynamic differential equation group of simulation object; adopt the implicit expression trapezoidal method by differential equation group discrete be DIFFERENCE EQUATIONS, the employing iterative numerical approach obtains the time-domain-simulation result of objective system.
6, utilize Radio Transmission Technology, transformer station's time-domain-simulation result is delivered to respectively to each " merge cells ".Under unified clock is controlled, each merge cells is synchronously exported the time-domain-simulation result of " substation simulation system ".Testing crew checks electrical secondary system Information Organization, distribution, transmission correctness, checks secondary device (relaying protection, measuring and controlling, metering device, background monitoring system etc.) behavior correctness.
Characteristics of the present invention are the intelligent substation electrical secondary system to be looked as a whole, include the merge cells and the network switch that complete intelligent substation Information Organization, distribution function in test range.Keep its wiring integrality and input message integrality when the intelligent substation electrical secondary system is carried out to service check, thereby reach the purpose of verifying smart transformer station overall performance.
The invention provides and a kind of intelligent substation electrical secondary system Information Organization, distribution, transmission correctness and function are realized to the method that correctness is tested.Utilize " substation simulation system " provided by the invention can imitating substation inner and direct-connected circuit various faults; utilize radio transmitting method to reach " collector simulator " under the time-domain-simulation result and to tested electrical secondary system simultaneous implantation stimulus; utilize " switch simulator " to detect the protective relaying device action behavior, utilize network analysis equipment, the information-recording apparatus of intelligent substation configuration to complete the test to electrical secondary system function and technical performance.Utilize method provided by the invention also to can be the performance test of intelligent substation communication network condition is provided.
Compared with prior art; the invention has the beneficial effects as follows: at present; method for the intelligent substation relay protection examination is not all included merge cells and the network switch in detection range; these test methods, for tissue, distribution and the transmission link of protective relaying device input signal and distribution, transmission, the execution link of protective device output signal being carried out to complete survey, make the check of intelligent substation protective relaying device have defect on method.The defect of the method for inspection may cause intelligent substation to have technological deficiency in the construction period, and the intelligent substation security of operation is on the hazard, and when serious, may cause the substantial equipment accident to occur.
Technological progress of the present invention is the intelligent substation electrical secondary system to be looked as a whole, includes the merge cells and the network switch that complete intelligent substation Information Organization, distribution function in test range.Keep its wiring integrality and input message integrality when the intelligent substation electrical secondary system is carried out to service check, thereby reach the purpose of verifying smart transformer station secondary system overall performance.
The invention provides and a kind of intelligent substation electrical secondary system Information Organization, distribution, transmission correctness and function are realized to the method that correctness is tested.Utilize " substation simulation system " provided by the invention can imitating substation inner and direct-connected circuit various faults; utilize radio transmitting method to reach " collector simulator " under the time-domain-simulation result and to tested electrical secondary system simultaneous implantation stimulus; utilize " switch simulator " to detect the protective relaying device action behavior, utilize network analysis equipment, the information-recording apparatus of intelligent substation configuration to complete the test to electrical secondary system function and technical performance.
(1) the initiative signal wireless transmission technology of introducing builds the intelligent substation test macro, has realized containing covering intelligent substation electrical secondary system Information Organization, be assigned to the judgement of protection control logic, arrive the complete performance test that function realizes again.
(2) adopt the behavior of digital simulation technique imitating substation primary system, for the electrical secondary system test provides genuine and believable system environments.
(3) adopt 1588 wireless to the time technique guarantee signal synchronism, guarantee that test result is true and reliable.
The accompanying drawing explanation
Fig. 1 is that intelligent substation primary system, electrical secondary system concern schematic diagram.
Fig. 2 is intelligent substation electrical secondary system overall performance pilot system schematic diagram.
Fig. 3 is that the intelligent substation analogue system forms schematic diagram.
Fig. 4 is controlled in wireless main frame schematic diagram.
Fig. 5 is analog quantity terminal schematic diagram.
Fig. 6 is switching value terminal schematic diagram.
Fig. 7 is whole group of performance test flow chart of intelligent substation electrical secondary system.
Embodiment
Method and implementation step that the present invention proposes:
Operation principle of the present invention:
Core concept of the present invention is tested intelligent substation electrical secondary system to be looked as a whole, includes merge cells and the network switch in detection range, keeps in test electrical secondary system wiring integrality.Utilize " substation simulation system " to simulate tested transformer station and direct-connected circuit running status, utilize radio transmitting method simulation result to be sent to " collector simulator ", utilize many " collector simulators " of dispersed placement to tested transformer station merge cells simultaneous implantation stimulus, utilize " switch simulator " to check the protective relaying device action behavior, utilize the network analyzer of electrical secondary system configuration, the writing function of fault oscillograph and supervisory control system checks merge cells and network switch Information Organization, the distribution function correctness, complete the check to intelligent substation electrical secondary system function correctness.
Fig. 5 .1 is a structural representation that the intelligent substation of power frequency component is provided by electronic current mutual inductor, voltage transformer.In figure, " electrical secondary system " comprised secondary devices such as " merge cells, the network switch, protective relaying device, measuring and controlling, metering device, background monitoring systems ".The electronic current of transformer station, voltage transformer provide the power frequency component of its need of work to other electrical secondary system equipment by " merge cells ", protective relaying device, measuring and controlling, metering device, the power frequency component of background monitoring system utilization after merging unit and switch-fabric, distribution are realized transforming plant primary equipment protection, control, measurement, function of measuring.
In figure:
: be respectively circuit
Electronic current mutual inductor with high voltage side of transformer, low-pressure side;
Intelligent operation box: will convert the signal of telecommunication to from the operational order of protective relaying device, measuring and controlling, and drive that circuit breaker will complete minute, closing operation.
Fig. 2 is the schematic diagram that utilizes put forward the methods verifying smart transformer station secondary system performance of the present invention.Utilize pilot system shown in Fig. 2 can complete the test of intelligent substation electrical secondary system overall performance and the check of relaying protection behavior.
In figure: intelligent substation emulation platform (being system): formed by notebook computer and the graphical modeling software, substation simulation software, analog quantity waveform software for display and the test control software that are placed in notebook computer, the waveform that completes the modeling of intelligent substation emulation platform, time-domain-simulation and simulation result shows and process of the test control, shows that " intelligent operation box " that detected by " switch simulator " divides, closing a floodgate to order occurs constantly.
The controlled in wireless main frame: the GPS that completes pilot system to the time, complete the time calibration of " controlled in wireless main frame " and " collector simulator " and " switch simulator ", receive the time-domain-simulation result of " intelligent substation emulation platform " and will install to " collector simulator " under the time-domain-simulation result with wireless transmission method, completing the Synchronization Control of test.
Collector simulator 1
Collector simulator m: receive the emulated data that " controlled in wireless main frame " sends, under " controlled in wireless main frame " controlled, Jiang Duotai " collector simulator " signal synchronously outputs to merge cells.
Switch simulator 1
Switch simulator k: the circuit breaker that receives " intelligent operation box " output divides, the combined floodgate control command, and " intelligent operation box " that will receive order uploads to " intelligent substation analogue system " with wireless mode, determine the electrical secondary system behavior correctness for testing crew.
Embodiment of the present invention: the intelligent substation test method that the present invention proposes comprises " intelligent substation emulation platform ", " controlled in wireless main frame ", " the collector simulator " and " switch simulator " that utilizes notebook computer to realize.
1) intelligent substation emulation platform (being the intelligent substation analogue system): " intelligent substation emulation platform " is comprised of graphical modeling software, power system simulation software (being substation simulation software), analog quantity waveform software for display, test control software and notebook computer.
Each component function is as follows: graphical modeling software: containing the power system device model library, complete the modeling of intelligent substation and direct-connected circuit, power supply.
Power system simulation software: the intelligent substation Building of Simulation Model differential equation group of setting up according to " graphical modeling software ", determine the dynamic simulation process according to fault object and the sequential set, complete time-domain-simulation.
Analog quantity waveform software for display: the assistant analysis software of simulation result.Time-domain-simulation result with waveform mode display simulation amount.
Test control software: supportive test condition, time sequence parameter setting complete the controlling test function.
Notebook computer: the hardware condition that the functional software operation is provided.
2) controlled in wireless main frame: the controlled in wireless main frame is comprised of GPS synchronization module, high stable master clock module, the IEEE 1588 time service modules based on wireless mode, wireless receiving and dispatching control module.
Each functions of modules is as follows: the GPS synchronization module: receive the clock signal of gps satellite, and to " high stable clock module " time service.
The high stable clock module: according to the GPS time signal complete to the time, for pilot system provides synchronised clock.
Wireless 1588 time service modules: by " high stable clock module " clock signal in wireless 1588 modes to " collector simulator ", " switch simulator " time service.
Wireless receiving and dispatching control module: receive time-domain-simulation data and the control command of " intelligent substation emulation platform ", with wireless mode, send time-domain-simulation packet and controlling test order.
3) collector simulator: the collector simulator, for receiving time-domain-simulation data and the controlling test order from " intelligent substation emulation platform ", sends the test data flow according to the controlling test order to merge cells.The collector simulator comprises that radio receiving transmitting module, high stable are from clock module, output control module, Manchester's code modular converter.
Each functions of modules is as follows: radio receiving transmitting module: receive clock sync signal, emulated data bag, the controlling test order of " controlled in wireless main frame "." clock sync signal " is transferred to " high stable is from clock module ", " emulated data bag " and " controlling test order " is transferred to " output control module ".
High stable is from clock module: receive the clock sync signal of " radio receiving transmitting module ", for " output control module " and " Manchester's code module " provides the clock signal of output control.
Output control module: according to " emulated data bag " and " controlling test order " formation " output stream ", and " output stream " delivered to " Manchester's code module ".
Manchester's code module: receive " output stream " that " output control module " sent, " output stream " converted to Manchester's code, send to the merge cells of intelligent substation through optical fiber.
4) switch simulator:
The switch simulator is realized following function:
(1) detect the switching manipulation order that the intelligent substation control box sends, the switching manipulation order is stamped to time mark, and " target switching manipulation order during band " sent to " controlled in wireless main frame " with wireless mode;
(2) receive " intelligent substation analogue system " on off state that " controlled in wireless main frame " forwards, switch state is become to " make and break contact " signal, and the make and break contact signal is delivered to the simulation of " intelligent operation box " realization of transformer station to the intelligent substation on off state.
The switch simulator comprises that radio receiving transmitting module, high stable are from clock module, output module, input module.
Each functions of modules is as follows:
Radio receiving transmitting module: receive the clock sync signal of " controlled in wireless main frame ", " on off state " signal of " intelligent substation analogue system "; " clock sync signal " is transferred to " high stable is from clock module ", " switch state signal " is transferred to " output module "." the switching manipulation order " that the detection intelligent operation box sends also beaten time mark, and " target switching manipulation order during band " uploaded to " controlled in wireless main frame " with wireless mode.
High stable is from clock module: receive the clock sync signal of " radio receiving transmitting module ", for " switch simulator " provides clock signal.
Output module: " on off state " signal of " intelligent substation analogue system " is transformed into to " make and break contact " signal.
Input module: detect the switching manipulation order that " intelligent operation box " sends, it is stamped to time mark and is uploaded to " controlled in wireless main frame " and " intelligent substation analogue system " through " radio receiving transmitting module ".
Above " module " and " software " is corresponding units.
Use step of the present invention: the flow process that the method for testing of using the present invention to propose completes whole group of performance test of transformer station secondary system as shown in Figure 7.
The intelligent substation analogue system is to calculate the electromagnetic transient of transformer station and transmission line, and the business softwares such as existing ATP, PSCAD can be carried out electro-magnetic transient calculating at present, and dynamic element in emulation is carried out to modeling, by differential equation group, mean.Utilize the implicit expression trapezoidal method that differential equation group is converted into to DIFFERENCE EQUATIONS, now dynamic element is to replace with a kind of circuit consisted of pure resistance and equivalent current source, has obtained the electro-magnetic transient isotimic computing electric circuit.DIFFERENCE EQUATIONS after conversion is the linear algebraic equation group, adopts the triangle decomposition method to be solved.
Document can referring to:
[1]: the H.W.Domel. work ，Li Yong village, Lin Jiming, Zeng Zhaohua translate, " the electromagnetic transient in power system theory of computation ", hydraulic and electric engineering publishing house, 1991.
[2]: Xia Daozhi, power system analysis (volume two), China Electric Power Publishing House, 1995.
Claims (2)
1. an intelligent substation overall performance test method, is characterized in that, comprises the following steps:
1) according to test objective confirmed test scheme;
2) take main electrical scheme of intelligent substation and the circuit, the power supply that directly link with it is object, sets up the substation simulation system, with the needed whole electric signals of the tested intelligent substation electrical secondary system of emulation work;
3) the intelligent substation electrical secondary system is considered as to checked object, and merge cells and the network switch that will bear intelligent substation Information Organization, distribution function include test range in, during test, keep the integrality of tested electrical secondary system wiring;
4) according to configuration and the test demand of intelligent substation electronic current mutual inductor and electronic type voltage transformer, arrange the collector simulator; According to configuration and the test demand of intelligent substation switchgear, arrange the switch simulator;
5) according to intelligent substation protective relaying device and electrical secondary system overall performance check needs, determine simulated conditions, utilize numerical value emulation method, obtain the time-domain-simulation result of objective system;
6) GPS that adopts the controlled in wireless main frame to complete pilot system to the time, complete controlled in wireless main frame and collector simulator and switch simulator to the time, receive the time-domain-simulation result of intelligent substation analogue system and with wireless transmission method, by under this time-domain-simulation result, installing to the collector simulator, complete the Synchronization Control of test;
7) the collector simulator receives the time-domain-simulation data that the controlled in wireless main frame sends, under the controlled in wireless host computer control, and the merge cells by time-domain-simulation data simultaneous implantation to intelligent substation;
8) circuit breaker that in switch simulator reception intelligent substation electrical secondary system, intelligent operation box is exported divides, the combined floodgate control command; and the intelligent operation box order received is uploaded to the intelligent substation analogue system with wireless mode; check the protective relaying device action behavior simultaneously; the writing function inspection merge cells of network analyzer, fault oscillograph and the supervisory control system of utilizing electrical secondary system to configure and network switch Information Organization, distribution function correctness, complete the check to intelligent substation electrical secondary system function correctness.
2. one kind for the intelligent substation electrical secondary system overall performance testing apparatus of test method as claimed in claim 1, comprising: the intelligent substation analogue system: notebook computer and the graphical modeling unit, simulation computing unit, waveform display unit and the experiment control unit that are installed in notebook computer, consist of; It is characterized in that also having, the controlled in wireless main frame be connected with notebook computer;
The controlled in wireless main frame is comprised of GPS lock unit, high stable master clock unit, wireless 1588 time service unit, wireless receiving and dispatching control unit;
The GPS lock unit: be connected with high stable master clock unit, receive the clock signal of gps satellite, and to the unit time service of high stable master clock;
High stable master clock unit: with wireless 1588 time service unit, be connected, according to the GPS time signal complete to the time, for pilot system provides synchronised clock;
Wireless 1588 time service unit: by high stable clock unit clock signal in wireless 1588 modes to collector simulator and the time service of switch simulator;
Wireless receiving and dispatching control unit: receive time-domain-simulation data and the control command of intelligent substation analogue system, with wireless mode, send time-domain-simulation packet and controlling test order;
Collector simulator: for receiving time-domain-simulation data and the controlling test order from the controlled in wireless main frame, according to the controlling test order, to merge cells, send the test data flow; The collector simulator comprises that the first wireless transmit/receive units, the first high stable are from clock unit, output control unit;
The first wireless transmit/receive units: receive clock sync signal, emulated data bag and the controlling test order of controlled in wireless main frame, clock sync signal is transferred to high stable from clock unit, emulated data bag and controlling test order are transferred to output control unit;
The first high stable is from clock unit: receive the clock sync signal of wireless transmit/receive units, be connected with output control unit; For providing, output control unit exports the clock signal of controlling;
Output control unit: from wireless transmit/receive units, obtain time-domain-simulation data and controlling test order, clock signal according to controlling test order and high stable from clock unit, form the output stream that meets accurate GB/T 20840.8 Q/GDW426-2010 of state's network mark by the time domain emulated data, send to the merge cells of intelligent substation through optical fiber;
Switch simulator: be connected with the intelligent substation control box; Detect the switching manipulation order that the intelligent substation control box sends, the switching manipulation order is stamped to time mark, and target switching manipulation order sends to the intelligent substation analogue system with wireless mode will be with the time; Receive the on off state that the intelligent substation analogue system issues, switch state is become to the make and break contact signal, and the make and break contact signal is delivered to the simulation of the intelligent operation box realization of transformer station to the intelligent substation on off state;
The switch simulator comprises that the second wireless transmit/receive units, the second high stable are from clock unit, input-output unit;
The second wireless transmit/receive units: receive from the clock sync signal of controlled in wireless main frame and the switch state signal of intelligent substation analogue system; Clock sync signal is transferred to high stable from clock unit, switch state signal is transferred to input-output unit; The switching manipulation order that the detection intelligent operation box sends is also beaten time mark, and in the time of being with, target switching manipulation order is uploaded the controlled in wireless main frame with wireless mode;
The second high stable is from clock unit: with the switch simulator, be connected; Receive the clock sync signal of wireless transmit/receive units, for the switch simulator provides clock signal;
Input-output unit: switch state signal is transformed into to the make and break contact signal; With intelligent operation box, be connected; Detect the switching manipulation order that intelligent operation box sends, it is stamped to time mark and is uploaded to controlled in wireless main frame and intelligent substation analogue system through wireless transmit/receive units.
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