CN102937685B - The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology - Google Patents
The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology Download PDFInfo
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Abstract
The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology, data network board by cable connection respectively with merge cells module and intelligent terminal model calling, merge cells module by sampled value special optic fibre respectively with message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection model calling, intelligent terminal module by GOOSE optical fiber respectively with message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection model calling, message accounting is analyzed and playback reproducer, digitizing measure and control device and main transformer protection module are again by monitor message switch and monitoring backstage and protect substation to be connected.The present invention is based on real-time emulation system, by the merge cells module, the intelligent terminal module that arrange, signal control and transmission are carried out to wall, station level equipment, constitute the intelligent test platform of complete set, its testing result accurate and effective, is applicable to the simulation test field of the transformer station of various intelligent grid.
Description
Technical field
The present invention relates to a kind of simulating test device, particularly relate to a kind of simulation device being applied to the employing Real-time Simulation Technology of transformer station.
Background technology
Growing along with modernization construction, also make rapid progress with the intelligent power grid technology of its auxiliary construction, wherein, also more and more higher to the requirement of the transformer station of intelligent grid, not only want guarantee in real time comprehensively information acquisition and reliably order execution accurately, and along with substation informatization, significantly and generally the promoting and be progressively shaped of automaticity, fully can realize the instruction effect at high-level scheduling center, promote executive capability, make whole electrical network progressively form strong, self-healing, the characteristic such as flexible, progressively develop into intelligent grid.
Along with the construction of transformer station, progressively possess the ability and possibility of controlling complex large power grid.Transformer station needs just there is numerous controlling functions, comprise distributing electric power optimization, on-line analysis, the early warning of accident, emergency condition disposal, recovery afterwards etc. all depend on the science of intelligent grid and decision-making rapidly, and first the decision-making of intelligent grid needs in time, sufficient electric network information, and intelligent substation will be born, and collection electrical network is all kinds of in real time, non-real-time information, be sent to intelligent grid according to transient state, dynamic, static classification and transmission requirement.On the other hand, implementation capacity and the execution efficiency of intelligent grid decision-making largely also drop on intelligent substation, and the final realization overwhelming majority of every control needs to be completed by intelligent substation.
In sum; the test of the ruuning situation of transformer station is the basis of the safe and effective operation of whole transformer station energy; and now lack a kind of effective method of testing; not only can the model of the various power equipments of transformer station be combined, be configured; the device of the various operating mode row emulation to electric system that can be real-time; and the semaphore of generation can be zoomed into working control, voltage and current amount that protection system can measure, and to be undertaken alternately by switching value and extraneous control system.
Summary of the invention
In order to solve the ruuning situation of the transformer station under prior art test existing for problem, the invention provides the integrated testing platform of a kind of transformer station based on Real-time Simulation Technology, the system-based of this test platform is real-time emulation system.Real-time emulation system is by providing the model of various power equipment; by these models being carried out combine, configure; the various operating mode row emulation to electric system that can be real-time; the real-time simulated animation of 640 electrical nodes can be carried out; by the power amplifier be equipped with; the voltage and current amount that the semaphore of generation can be zoomed into working control by real-time emulation system, protection system can measure, and undertaken alternately by switching value and extraneous control system.Concrete structure of the present invention is as described below:
The integrated testing platform of transformer station based on Real-time Simulation Technology, comprises the data network board with information input and output and sampled value propagation function for real-time emulation system, it is characterized in that:
Described data network board by cable connection respectively with merge cells module and intelligent terminal model calling;
Data network board provides the test function to sample values quality word, namely in simulation process, can change the quality word of each road sample values dynamically, can also select whether will arrange sampling rate in sample values frame.
Described merge cells module by sampled value special optic fibre respectively with message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection model calling;
Described intelligent terminal module by GOOSE optical fiber respectively with message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection model calling;
Above-mentioned GOOSE is the abbreviation of GenericObjectOrientedSubstationEvent, is " transformer substation case towards general object ".
Above-mentioned message accounting analysis and playback reproducer have following functions: voltage current waveform writing function, secondary device action behavior writing function, waveform analysis function and abnormal alarm function.
Above-mentioned digitizing measure and control device achieves three-state data collection and the control at an interval, this device had both completed the conventional remote moving functions such as steady state data collection, state signal collecting, straighforward operation, synchronous operation, disconnecting link control, anti-misoperation locking operation, realized again synchronized phasor collection calculating, failure wave-recording function, quality of power supply function etc.Carrying out standardization, realize data sharing, is multi-functional wall intelligent electronic device.
The principle of the tranformer protection of above-mentioned main transformer protection module successful Application nearly ten years at the scene, be applicable to the transformer of 110kV and the various mode of connection of above thereof.This device can support electronic mutual inductor and routine transformer; support power industry communication standard DL/T667-1999 (IEC60870-5-103) and transformer station communication standard IEC61850 of new generation; support GOOSE input and output function, and support distributed protection configuration mode.
Described message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection module are again by monitor message switch and monitoring backstage and protect substation to be connected.
Above-mentioned monitoring backstage is a kind of communication controler developed for the external remote moving function of transformer station; for collecting the data of measurement and control unit of entirely standing, protective device and intelligent electronic device; after protocol transform with the stipulations such as IEC60870-5-101, IEC60870-5-104, CDT, MODBUS promulgated by the ministries or commissions of the Central Government by analog channel, digital channel or network to dispatching terminal/concentrator station transmission, the simultaneously remote control of receiving scheduling end/concentrator station, remote regulating order forward to substation equipment.
Above-mentioned protection substation is used for communication switching between multiple protective relaying device and other device and protection information main website, relay protection engineer station and protocol transform.The informational linkage between the devices such as protection, data acquisition and fault oscillograph and protection information main website or relay protection engineer station system is linked up in protection substation by polytype standard communication interface; and protection information, fault waveform are preserved, for the use of historical query and fault analysis.Multiple communication protocol is supported in protection substation, can not only communicate with intelligent protection, oscillograph, can also compatible conventional protection.
The integrated testing platform of a kind of transformer station according to the present invention based on Real-time Simulation Technology, described merge cells module comprises analog voltage signal harvester, analog sampling value switch and 1588 clock synchronization modules, wherein one end of analog voltage signal harvester is connected with data network board by cable connection, its analog voltage signal is passed to analog sampling value switch by the other end of analog voltage signal harvester, this analog sampling value switch passes through sampled value special optic fibre by signal transmission again to message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection module, 1588 clock synchronization modules are then connected with analog sampling value switch and carry out clock synchronous control to it.
The integrated testing platform of a kind of transformer station according to the present invention based on Real-time Simulation Technology, described analog voltage signal harvester comprises 500KV analog voltage unit, 220KV analog voltage unit and 35KV analog voltage unit.
Above-mentioned merge cells module energy compatibility possesses electronic mutual inductor and routine transformer interface, the voltage that real-time emulation system can be exported, current signal is transformed into the digital signal meeting intelligent substation requirement, this merge cells module can send 1 circuit ABC three-phase by Ethernet and measure and protective current, the data of voltage, send agreement and follow IEC61850-9-2 or IEC60440-8 standard, this merge cells modular design is agile and all-purpose, multiple producer and multiple electronic mutual inductor interface can be supported, and can 500KV be simulated, the needs of the various electronic mutual inductor configuration of transformer station of each grade of 220kV and 35KV.
The integrated testing platform of a kind of transformer station according to the present invention based on Real-time Simulation Technology; described intelligent terminal module comprises GOOSE signal switch endpoint and GOOSE signal switcher; wherein one end of GOOSE signal switch endpoint is connected with data network board by cable connection; the other end then passes through GOOSE optical fiber by signal transmission to GOOSE signal switcher, and GOOSE signal switcher passes through GOOSE optical fiber by signal transmission again to message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection module.
Purpose of design is herein; due in intelligent substation; the position signalling of protection, switch, the control command of plug-in strip and switch that measure and control device exports, plug-in strip is all that intelligent terminal module in charge carries out GOOSE and empty node signal is changed with the transmission of the form of GOOSE signal.
The integrated testing platform of a kind of transformer station of the present invention based on Real-time Simulation Technology is used to obtain following beneficial effect:
1. the integrated testing platform of a kind of transformer station of the present invention based on Real-time Simulation Technology, based on real-time emulation system, by the merge cells module, the intelligent terminal module that arrange, signal control and transmission are carried out to wall, station level equipment, constitute the intelligent test platform of complete set, its testing result accurate and effective;
2. the integrated testing platform of a kind of transformer station of the present invention based on Real-time Simulation Technology, can carry out Unit Level and system-level test.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of a kind of transformer station of the present invention with the integrated testing platform based on Real-time Simulation Technology;
Fig. 2 is the data model of a kind of transformer station of the present invention by the merge cells module of the integrated testing platform based on Real-time Simulation Technology.
In figure: 1-data network board, 2-merge cells module, 2a-analog voltage signal harvester; 2b-analog sampling value switch, 2c-1588 clock synchronization module, 3-intelligent terminal module; 3a-GOOSE signal switch endpoint; 3b-GOOSE signal switcher, 4-message accounting is analyzed and playback reproducer, 5-digitizing measure and control device; 6-main transformer protection module; 7-monitor message switch, 8-monitors backstage, and 9-protects substation.
Embodiment
Below in conjunction with drawings and Examples, the integrated testing platform of a kind of transformer station of the present invention based on Real-time Simulation Technology is further described.
Embodiment
As depicted in figs. 1 and 2, the integrated testing platform of a kind of transformer station based on Real-time Simulation Technology, comprise the data network board 1 with information input and output and sampled value propagation function for real-time emulation system, this data network board is connected with merge cells module 2 and intelligent terminal module 3 respectively by cable connection;
Data network board in the present embodiment is GTNET card, GTNET support the GOOSE signal on 32 tunnels open into/output.Different from other testers, need reading SCD file during GTNET card configuration GOOSE signal, in this file, need the definition comprising all input GOOSE, and the definition of corresponding output GOOSE signal IED.GTNET card additionally provides the test function to sample values quality word, namely in simulation process, can change the quality word of each road sample values dynamically, can select in addition whether will arrange sampling rate in sample values frame.
Described merge cells module 2 is connected with playback reproducer 4, digitizing measure and control device 5 and main transformer protection module 6 with message accounting analysis respectively by sampled value special optic fibre;
Described intelligent terminal module 3 by GOOSE optical fiber respectively with message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection model calling;
Above-mentioned message accounting analysis and playback reproducer 4 have following functions:
(1) voltage current waveform writing function: resolve the sampling value message of process-level network, extracts the value of instantaneous sampling point, carries out fourier calculating and sentence start-up simulation.When electric system is broken down, reach fault initiating condition, then sampled value when occurring fault with COMTRADE form and switching value carry out stored record, realize display and the analysis of system failure waveform with image analysis software.
(2) secondary device action behavior writing function: the GOOSE message of process-level network is resolved, extract the on-off state information of GOOSE message, when on-off state changes, then the sampling value message accessed and GOOSE message are resolved, and sampled value when occurring fault with COMTRADE form and switching value carry out stored record, realize display and the analysis of system failure waveform with image analysis software.
(3) waveform analysis function: the transient-wave data of device record are with COMTRADE formatted output, my company is used to have the CAAP2008 wave form analysis software of literary property, the advanced analysis function such as single end distance measurement, both-end distance measuring, frequency analysis, impedance analysis, power analysis, vector analysis, difference flow analysis, the analysis of transformer overexcitation, aperiodic component analysis can be realized, the built-in formula editors of CAAP2008 provides the function conventional more than 50, can realize user-defined analytical algorithm.
(4) abnormal alarm function:
1) detailed on people owner interface warning of listing: carry out instruction alarm situation on people owner interface, such as message content false alarm, message is abnormal, record ripple startup etc.
2) hard contact outputs the total alarm of relay: output alarm signal by the mode of hard contact, can ensure the reliability of alarm signal.
3) with the detailed soft alarm data collection that GOOSE outputs: carrying out alarm by sending GOOSE message, defining the detailed meanings that alarm is outputed inside the data set of GOOSE message.The alarm of message time-out, message abnormality alarming, the startup of record ripple etc. can be carried out.
Above-mentioned digitizing measure and control device 5 achieves three-state data collection and the control at an interval, this device had both completed the conventional remote moving functions such as steady state data collection, state signal collecting, straighforward operation, synchronous operation, disconnecting link control, anti-misoperation locking operation, can realize again synchronized phasor collection calculating, failure wave-recording function, quality of power supply function etc.Carrying out standardization, realize data sharing, is multi-functional wall intelligent electronic device.
The principle of the tranformer protection of above-mentioned main transformer protection module 6 successful Application nearly ten years at the scene, be applicable to the transformer of 110kV and the various mode of connection of above thereof.This device can support electronic mutual inductor and routine transformer; support power industry communication standard DL/T667-1999 (IEC60870-5-103) and transformer station communication standard IEC61850 of new generation; support GOOSE input and output function, and support distributed protection configuration mode.
This main transformer protection module can provide the whole electric quantity protective required for a transformer, and main protection and back-up protection can share same TA.These protections comprise: stable state percentage differential, differential quick-break, power frequency variation percentage differential, compound voltage lockout direction overcurrent, zero sequence direction overcurrent, zero sequence overvoltage, clearance zero sequence protection overcurrent and simple and easy mother are poor.Also comprise following abnormality alarming function in addition: overload warning, starting refrigeratory, overload locking on-load voltage regulation, the warning of difference throat floater, differential circuit TA broken string, TA abnormal alarm and TV abnormal alarm.
Described message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection module are again by monitor message switch 7 and monitoring backstage 8 and protect substation 9 to be connected.
Above-mentioned monitoring backstage 8 is a kind of communication controlers developed for the external remote moving function of transformer station; for collecting the data of measurement and control unit of entirely standing, protective device and intelligent electronic device; after protocol transform with the stipulations such as IEC60870-5-101, IEC60870-5-104, CDT, MODBUS promulgated by the ministries or commissions of the Central Government by analog channel, digital channel or network to dispatching terminal/concentrator station transmission, the simultaneously remote control of receiving scheduling end/concentrator station, remote regulating order forward to substation equipment.
The telecontrol information on monitoring backstage adopts the mode of " directly adopting direct sending ", and the operation of telemechanical communicator is independent of background monitoring system, and both sides are independent of each other.The monitoring backstage that the present embodiment adopts is RCS-9698G/H telemechanical communicator, supports IEC61850 and can the simultaneously agreement such as compatible to IEC 60870-5-101IEC60870-5-103 at station level.
The function of telemechanical communicator mainly contains:
(1) various Microcomputer Protection, aut.eq. information is gathered:
The RCS-9698G/H telemechanical communicator that the present embodiment adopts by serial ports or network mode and various Microcomputer Protection and aut.eq. communication, can receive the various information that they send, as protection act SOE etc.
(2) various measure and control device, intelligent kilowatt-hour meter information is gathered:
The RCS-9698G/H telemechanical communicator that the present embodiment adopts can by serial ports or network mode and measure and control device and intelligent electric energy meter communication.The remote signalling of measure and control device and intelligent kilowatt-hour meter, remote measurement, distant pulse and other communication information are all directly sent to this device.
(3) intelligent substation auxiliary device information is gathered:
In transformer station except protection, observing and controlling, watt-hour meter, automation equipment, also have many servicing units.Although the information of these servicing units does not have system cloud gray model information important, in order to improve substation operation safety and reliability, usually also will send in these information, RCS-9698G/H telemechanical communicator can gather these information, realizes long-range monitoring.
(4) distant place command record and inquiry:
The RCS-9698G/H telemechanical communicator that the present embodiment adopts can record all orders from the source of control, comprises remote control selection, remote control execution, remote regulating, the selection of amendment definite value, the execution of amendment definite value, signal return etc.These information can be undertaken retrieving and checking by multiple querying condition.
(5) realize communicating with management telemechanical, communicating with centralized control center:
The RCS-9698G/H telemechanical communicator that the present embodiment adopts bear with dispatch, centralized control center's computer system communication task, can connect multi-stage scheduling, information can customize according to the requirement of each dispatching terminal.
Above-mentioned protection substation 9 is for the communication switching between multiple protective relaying device and other device and protection information main website, relay protection engineer station and protocol transform.The informational linkage between the devices such as protection, data acquisition and fault oscillograph and protection information main website or relay protection engineer station system is linked up in protection substation by polytype standard communication interface; and protection information, fault waveform are preserved, for the use of historical query and fault analysis.Multiple communication protocol is supported in protection substation, can not only communicate with intelligent protection, oscillograph, can also compatible conventional protection.
The function of protection substation mainly contains: data processing with inquiry, realization with relay protection engineer station communicates with inquiry, the order of execution main website, distant place command record with the storage of forwarding, setting management, fault waveform with retrieval, historical events record, realizes and protection information master station communication etc.
Merge cells module 2 comprises analog voltage signal harvester 2a, analog sampling value switch 2b and 1588 clock synchronization module 2c, wherein one end of analog voltage signal harvester is connected with data network board 1 by cable connection, its analog voltage signal is passed to analog sampling value switch by the other end of analog voltage signal harvester, this analog sampling value switch passes through sampled value special optic fibre by signal transmission again to message accounting analysis and playback reproducer 4, digitizing measure and control device 5 and main transformer protection module 6, 1588 clock synchronization modules are then connected with analog sampling value switch and carry out clock synchronous control to it.
Analog voltage signal harvester 2a comprises 500KV analog voltage unit, 220KV analog voltage unit and 35KV analog voltage unit.
Above-mentioned merge cells module energy compatibility possesses electronic mutual inductor and routine transformer interface, the voltage that real-time emulation system can be exported, current signal is transformed into the digital signal meeting intelligent substation requirement, this merge cells module can send 1 circuit ABC three-phase by Ethernet and measure and protective current, the data of voltage, send agreement and follow IEC61850-9-2 or IEC60440-8 standard, this merge cells modular design is agile and all-purpose, multiple producer and multiple electronic mutual inductor interface can be supported, and can 500KV be simulated, the needs of the various electronic mutual inductor configuration of transformer station of each grade of 220kV and 35KV.
Intelligent terminal module 3 comprises GOOSE signal switch endpoint 3a and GOOSE signal switcher 3b; wherein one end of GOOSE signal switch endpoint is connected with data network board 1 by cable connection; the other end then passes through GOOSE optical fiber by signal transmission to GOOSE signal switcher, and GOOSE signal switcher passes through GOOSE optical fiber by signal transmission again to message accounting analysis and playback reproducer 4, digitizing measure and control device 5 and main transformer protection module 6.
Purpose of design is herein; due in intelligent substation; the position signalling of protection, switch, the control command of plug-in strip and switch that measure and control device exports, plug-in strip is all that intelligent terminal module in charge carries out GOOSE and empty node signal is changed with the transmission of the form of GOOSE signal.The major function of this intelligent terminal module is as follows:
(1) isolating switch breaker tripping and closing.Device has one group of TJQ tripping operation outlet, TJR tripping operation outlet and reclosing outlet, and wherein TJQ is the tripping operation outlet of not lock-reclosing lock, and TJR is the tripping operation outlet of lock-reclosing lock.
Device receives the various GOOSE orders protected and send, and comprises TJQ tripping operation, TJR tripping operation and reclosing order, then drives corresponding exit relay action, GOOSE order is converted to hard contact and exports.
(2) remote control exports.Device has 33 roads and outputs, and except isolating switch breaker tripping and closing and locking outlet, also has 4 and every cutter, 4, the remote control of ground cutter is divided, closes and locking totally 24 pairs of outlet junctions.
Device receives the observing and controlling various GOOSE orders of sending, and comprises circuit-breaker switching on-off, every the divide-shut brake of cutter and ground cutter and lock-in control order, then drives corresponding exit relay action, GOOSE order is converted to the output of hard contact.
(3) remote signalling input.Device have 54 tunnels open into, can in-site collecting circuit breaker position, disconnecting link position, the switching value such as breaker mechanism and main transformer body signal, and give corresponding protection and measurement and control device on the net by GOOSE.
A kind of transformer station of the present invention with the integrated testing platform based on Real-time Simulation Technology based on real-time emulation system, by the merge cells module 2 arranged, intelligent terminal module 3 pairs of walls (message accounting analysis and playback reproducer 4, digitizing measure and control device 5 and main transformer protection module 6), station level (monitor message switch 7, monitoring backstage 8 and protection substation 9) equipment carries out signal control and transmission, constitute the intelligent test platform of complete set, its testing result accurate and effective, and the present invention can carry out Unit Level and system-level test, be applicable to the simulation test field of the transformer station of various intelligent grid.
Claims (1)
1. the integrated testing platform of transformer station based on Real-time Simulation Technology, comprises the data network board (1) with information input and output and sampled value propagation function for real-time emulation system, it is characterized in that:
Described data network board (1) is connected with merge cells module (2) and intelligent terminal module (3) respectively by cable connection;
Described merge cells module (2) is connected with playback reproducer (4), digitizing measure and control device (5) and main transformer protection module (6) with message accounting analysis respectively by sampled value special optic fibre;
Described intelligent terminal module (3) is connected with playback reproducer (4), digitizing measure and control device (5) and main transformer protection module (6) with message accounting analysis respectively by GOOSE optical fiber;
Described message accounting analysis and playback reproducer (4), digitizing measure and control device (5) and main transformer protection module (6) are passed through monitor message switch (7) again and are monitored backstage (8) and protect substation (9) to be connected;
Described merge cells module (2) comprises analog voltage signal harvester (2a), analog sampling value switch (2b) and 1588 clock synchronization modules (2c), wherein one end of analog voltage signal harvester (2a) is connected with data network board (1) by cable connection, its analog voltage signal is passed to analog sampling value switch by the other end of analog voltage signal harvester, this analog sampling value switch passes through sampled value special optic fibre by signal transmission again to message accounting analysis and playback reproducer (4), digitizing measure and control device (5) and main transformer protection module (6), 1588 clock synchronization modules (2c) are then connected with analog sampling value switch and carry out clock synchronous control to it,
Described intelligent terminal module (3) comprises GOOSE signal switch endpoint (3a) and GOOSE signal switcher (3b); wherein one end of GOOSE signal switch endpoint is connected with data network board (1) by cable connection; the other end then passes through GOOSE optical fiber by signal transmission to GOOSE signal switcher, and GOOSE signal switcher passes through GOOSE optical fiber by signal transmission again to message accounting analysis and playback reproducer (4), digitizing measure and control device (5) and main transformer protection module (6).
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| CN108667004A (en) * | 2018-04-03 | 2018-10-16 | 国家电网公司 | The failure analysis method and device of distribution line |
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