CN102937685A - Real-time simulation technique-based integrated testing platform for substation - Google Patents
Real-time simulation technique-based integrated testing platform for substation Download PDFInfo
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Abstract
The invention discloses a real-time simulation technique-based integrated testing platform for a substation. A data network board card is connected with a combining unit module and an intelligent terminal module respectively through cable connection wires; the combining unit module is connected with a message recording, analyzing and replaying device, a digital measuring and controlling device and a main transformer protecting module through specific sampling value optical fibers; the intelligent terminal module is connected with the message recording, analyzing and replaying device, the digital measuring and controlling device and the main transformer protecting module respectively through GOOSE (generic object oriented substation event) optical fibers; and the message recording, analyzing and replaying device, the digital measuring and controlling device and the main transformer protecting module are further connected with a monitoring backstage and a protecting sub-station through monitoring information switching equipment. Based on a real-time simulation system, a set of complete intelligent testing platform is formed through the signal control and transmission among interval layers and station control layer equipment by the combining unit module and the intelligent terminal module, and the detection result is accurate and effective, so that the testing platform is applicable to the simulation and testing fields of substations of various intelligent power grids.
Description
Technical field
The present invention relates to a kind of simulating test device, relate in particular to a kind of simulation device that is applied to the employing Real-time Simulation Technology that transformer station uses.
Background technology
Growing along with modernization construction, also make rapid progress with the intelligent grid technology of its auxiliary construction, wherein, requirement to the transformer station of intelligent grid is also more and more higher, not only want to guarantee in real time comprehensively information acquisition and reliable command execution accurately, and significantly and generally promoting and progressively shaping along with substation informatization, automaticity, can fully 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.
Be accompanied by the construction of transformer station, progressively possess ability and the possibility of controlling complex large power grid.Need to just there be numerous control functions in transformer station, comprise that the early warning of distributing electric power optimization, on-line analysis, accident, the disposal of emergency condition, recovery afterwards etc. all depend on the science of intelligent grid and rapidly decision-making, and the decision-making of intelligent grid at first needs in time, sufficient electric network information, and intelligent substation will be born all kinds of real-time, the non real-time information of electrical network that gather, and be sent to intelligent grid according to transient state, dynamic, static classification and transmission requirement.On the other hand, the implementation capacity of intelligent grid decision-making and execution efficient largely also drop on intelligent substation, and the final realization overwhelming majority of every control need to be finished 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's 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 made up, configure; the device to the various operating mode row emulation of electric system that can be real-time; and the semaphore that produces can be zoomed into the voltage and current amount that working control, protection system can measure, and be undertaken alternately by switching value and extraneous control system.
Summary of the invention
For the existing problem of test of the ruuning situation that solves the transformer station under the prior art, the invention provides a kind of transformer station and use integrated testing platform 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 equipments; by these models are made up, configure; the various operating mode row emulation to electric system that can be real-time; can carry out the real-time simulation of 640 electrical nodes calculates; by the power amplifier that is equipped with; real-time emulation system can zoom into the semaphore that produces the voltage and current amount that working control, protection system can measure, and is undertaken alternately by switching value and extraneous control system.Concrete structure of the present invention is as described below:
The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology comprises the data network integrated circuit board with input information output and sampled value transmission for real-time emulation system, it is characterized in that:
Described data network integrated circuit board is connected with the intelligent terminal module with the merge cells module respectively by cable connection;
The data network integrated circuit board provides the test function to sampled value data quality word, namely in simulation process, can change dynamically the quality word of each road sampled value data, can also select whether will in the sampled value Frame sampling rate be set.
Described merge cells module is connected with playback reproducer, digitizing measure and control device and main transformer protection module with the message accounting analysis respectively by the sampled value special optic fibre;
Described intelligent terminal module is connected with playback reproducer, digitizing measure and control device and main transformer protection module with the message accounting analysis respectively by GOOSE optical fiber;
Above-mentioned GOOSE is the abbreviation of Generic Object Oriented Substation Event, is " towards the transformer substation case of 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 has been realized the ternary data acquisition and control at an interval, this device had both been finished 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 is successful Application nearly ten years at the scene, are applicable to the transformer of 110kV and the various modes of connection of above thereof.This device can be supported electronic mutual inductor and routine transformer; support power industry communication standard DL/T667-1999(IEC60870-5-103) and the communication standard IEC61850 of transformer station of new generation; support GOOSE input and output function, and support the distributed protection configuration mode.
Described message accounting analysis be connected with playback reproducer, digitizing measure and control device and main transformer protection module by the monitor message switch with the monitoring backstage and the protection substation be connected.
Above-mentioned monitoring backstage is a kind of communication controler of developing for the external remote moving function of transformer station; be used for collecting the data of complete stand measurement and control unit, protective device and intelligent electronic device; transmit to dispatching terminal/concentrator station by analog channel, digital channel or network with stipulations such as IEC60870-5-101, IEC60870-5-104, CDT promulgated by the ministries or commissions of the Central Government, MODBUS after the stipulations conversion, simultaneously remote control, the remote regulating order of receiving scheduling end/concentrator station transmitted to substation equipment.
Above-mentioned protection substation is used for multiple protective relaying device and other device and protection information main website, communication switching and the stipulations of protecting between the engineer station that continue are changed.Device and the protection information main website such as protection, data acquisition and fault oscillograph are linked up or the informational linkage between the guarantor engineer station system of continuing in the protection substation by polytype standard communication interface; and protection information, fault waveform preserved, for the usefulness of historical query and fault analysis.Multiple communication protocol is supported in the protection substation, not only can communicate by letter with intelligent protection, oscillograph, can also the 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 the aanalogvoltage assembly; analog sampling value switch and 1588 clock synchronization modules; wherein an end of aanalogvoltage assembly is connected with the data network integrated circuit board by cable connection; the other end of aanalogvoltage assembly is passed to analog sampling value switch with its analog voltage signal; this switch passes to message accounting analysis and playback reproducer by the sampled value special optic fibre with signal again; digitizing measure and control device and main transformer protection module, 1588 clock synchronization modules then are connected with analog sampling value switch and it are carried out clock synchronous control.
The integrated testing platform of a kind of transformer station according to the present invention based on Real-time Simulation Technology, described aanalogvoltage assembly comprises 500KV aanalogvoltage unit, 220KV aanalogvoltage unit and 35KV aanalogvoltage unit.
Above-mentioned merge cells module can compatibility possess electronic mutual inductor and routine transformer interface; can be with the voltage of real-time emulation system output; current signal is transformed into the digital signal that meets the 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; a plurality of producers and multiple electronic mutual inductor interface can be supported, and 500KV can be simulated; the needs of the various electronic mutual inductor configurations of the transformer station of 220kV and each grade of 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 intelligent terminal assembly and GOOSE signal switcher; wherein an end of intelligent terminal assembly is connected with the data network integrated circuit board by cable connection; the other end then is passed to the GOOSE signal switcher by GOOSE optical fiber with signal, and the GOOSE signal switcher passes to message accounting analysis and playback reproducer, digitizing measure and control device and main transformer protection module by GOOSE optical fiber with signal again.
Purpose of design is herein; because in the intelligent substation; the position signalling of the switch of protection, measure and control device output, the control command of plug-in strip and switch, plug-in strip all is to transmit with the form of GOOSE signal, and the intelligent terminal module is responsible for carrying out GOOSE and empty node signal is changed.
Use a kind of transformer station of the present invention to use the integrated testing platform based on Real-time Simulation Technology 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, take real-time emulation system as the basis, by the merge cells module, the intelligent terminal module that arrange wall, station level equipment are carried out signal controlling and transmission, consisted of the complete intelligent test platform of a cover, 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 device level and system-level test.
Description of drawings
Fig. 1 is the one-piece construction schematic diagram of a kind of transformer station of the present invention based on the integrated testing platform of Real-time Simulation Technology;
Fig. 2 is the data model of a kind of transformer station of the present invention based on the merge cells module of the integrated testing platform of Real-time Simulation Technology.
Among the figure: 1-data network integrated circuit board, 2-merge cells module, 2a-aanalogvoltage assembly; 2b-analog sampling value switch, 2c-1588 clock synchronization module, 3-intelligent terminal module; 3a-intelligent terminal assembly; the 3b-GOOSE signal switcher, the 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 the backstage, and 9-protects the substation.
Embodiment
Use the integrated testing platform based on Real-time Simulation Technology to be further described below in conjunction with drawings and Examples to a kind of transformer station of the present invention.
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 integrated circuit board 1 with input information output and sampled value transmission for real-time emulation system, this data network integrated circuit board is connected with the intelligent terminal module with merge cells module 2 respectively by cable connection and is connected;
Data network integrated circuit board in the present embodiment is the GTNET card, GTNET support 32 tunnel GOOSE signal open into/leave.Different from other testers, GTNET card configuration GOOSE need to read a SCD file during signal, needs to comprise the definition of all input GOOSE in this document, and the definition of corresponding output GOOSE signal IED.The GTNET card also provides the test function to sampled value data quality word, namely in simulation process, can change dynamically the quality word of each road sampled value data, can select in addition whether will in the sampled value Frame sampling rate be set.
Described merge cells module 2 is connected with the main transformer protection module with playback reproducer 4, digitizing measure and control device 5 with the message accounting analysis respectively by the sampled value special optic fibre and is connected;
Described intelligent terminal module 3 is connected with playback reproducer, digitizing measure and control device and main transformer protection module with the message accounting analysis respectively by GOOSE optical fiber;
Above-mentioned message accounting analysis and playback reproducer 4 have following functions:
(1) voltage current waveform writing function: the sampling value message to process-level network is resolved, and extracts the value of instantaneous sampling point, carries out Fu Shi calculating and declare starting calculating.When electric system is broken down, reach the fault initiating condition, sampled value and switching value when then with the COMTRADE form fault being occured are carried out stored record, realize demonstration and the analysis of system failure waveform with pattern analysis software.
(2) secondary device action behavior writing function: the GOOSE message to process-level network is resolved, extract the on-off state information of GOOSE message, when on-off state changes, then sampling value message and the GOOSE message of access are resolved, and sampled value and switching value when with the COMTRADE form fault being occured carry out stored record, realizes demonstration and the analysis of system failure waveform with pattern analysis software.
(3) waveform analysis function: the transient-wave data of device record are with the COMTRADE formatted output, use my company to have the CAAP2008 wave form analysis software of literary property, can realize the advanced analysis functions such as single end distance measurement, both-end distance measuring, frequency analysis, impedance analysis, power analysis, vector analysis, poor flow analysis, the analysis of transformer overexcitation, aperiodic component analysis, the built-in equation editing device of CAAP2008 provides and surpasses 50 functions commonly used, can realize user-defined analytical algorithm.
(4) abnormal alarm function:
1) the detailed warning of listing on the people owner interface: indicate the alarm situation at people owner interface, such as the message content false alarm, message is unusual, record ripple startup etc.
2) hard contact open goes out the total alarm of relay: the mode by hard contact is left alarm signal, can guarantee the reliability of alarm signal.
3) the detailed soft alarm data collection of leaving with GOOSE: carry out alarm by sending the GOOSE message, define the detailed meanings that alarm is left in the data set the inside of GOOSE message.Can carry out the overtime alarm of message, message abnormality alarming, the startup of record ripple etc.
Above-mentioned digitizing measure and control device 5 has been realized the ternary data acquisition and control at an interval, this device had both been finished 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 is successful Application nearly ten years at the scene, are applicable to the transformer of 110kV and the various modes of connection of above thereof.This device can be supported electronic mutual inductor and routine transformer; support power industry communication standard DL/T667-1999(IEC60870-5-103) and the communication standard IEC61850 of transformer station of new generation; support GOOSE input and output function, and support the distributed protection configuration mode.
This main transformer protection module can provide the needed whole electric quantity protective of 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, composite voltage locking direction overcurrent, zero sequence direction overcurrent, zero sequence overvoltage, clearance zero sequence protection overcurrent and simple and easy mother are poor.Also comprise in addition following abnormality alarming function: refrigeratory, overload locking on-load voltage regulation, poor stream abnormal alarm, differential circuit TA broken string, TA abnormal alarm and TV abnormal alarm are reported to the police, are started in overload.
Described message accounting analysis be connected with playback reproducer, digitizing measure and control device and main transformer protection module by monitor message switch 7 with the monitoring backstage 8 and the protection substation 9 be connected.
Above-mentioned monitoring backstage 8 is a kind of communication controlers of developing for the external remote moving function of transformer station; be used for collecting the data of complete stand measurement and control unit, protective device and intelligent electronic device; transmit to dispatching terminal/concentrator station by analog channel, digital channel or network with stipulations such as IEC60870-5-101, IEC60870-5-104, CDT promulgated by the ministries or commissions of the Central Government, MODBUS after the stipulations conversion, simultaneously remote control, the remote regulating order of receiving scheduling end/concentrator station transmitted 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 the agreement such as compatible to IEC 60870-5-101IEC60870-5-103 simultaneously at station level.
The function of telemechanical communicator mainly contains:
(1) gather various Microcomputer Protections, aut.eq. information:
The RCS-9698G/H telemechanical communicator that the present embodiment adopts can pass through serial ports or network mode and various Microcomputer Protection and aut.eq. communication, receives the various information of sending on them, as protecting action SOE etc.
(2) gather various measure and control devices, intelligent kilowatt-hour meter information:
The RCS-9698G/H telemechanical communicator that the present embodiment adopts can pass through 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 all directly are sent to this device.
(3) gather intelligent substation utility appliance information:
Except protection, observing and controlling, watt-hour meter, automation equipment, also have many servicing units in the transformer station.Although the information of these servicing units does not have system's operation information important, in order to improve the substation operation safety and reliability, usually also to will send on 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 from the order in control source, comprises remote control selection, remote control execution, remote regulating, the selection of modification definite value, revises definite value execution, signal return etc.These information can be retrieved and check by multiple querying condition.
(5) realize communicating by letter, communicating by letter with the centralized control center with the management telemechanical:
The RCS-9698G/H telemechanical communicator that the present embodiment adopts is born and scheduling, centralized control center's computer system communication task, can connect multi-stage scheduling, and information can customize according to the requirement of each dispatching terminal.
Above-mentioned protection substation 9 is used for multiple protective relaying device and other device and protection information main website, communication switching and the stipulations of protecting between the engineer station that continue are changed.Device and the protection information main website such as protection, data acquisition and fault oscillograph are linked up or the informational linkage between the guarantor engineer station system of continuing in the protection substation by polytype standard communication interface; and protection information, fault waveform preserved, for the usefulness of historical query and fault analysis.Multiple communication protocol is supported in the protection substation, not only can communicate by letter with intelligent protection, oscillograph, can also the compatible conventional protection.
The function of protection substation mainly contains: the storage of data processing and forwarding, definite value management, fault waveform with retrieval, historical events record and inquiry, carry out main website order, distant place command record and inquiry, realize and continue protect that the engineer station communicates by letter, realization and protection information master station communication etc.
Above-mentioned merge cells module can compatibility possess electronic mutual inductor and routine transformer interface; can be with the voltage of real-time emulation system output; current signal is transformed into the digital signal that meets the 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; a plurality of producers and multiple electronic mutual inductor interface can be supported, and 500KV can be simulated; the needs of the various electronic mutual inductor configurations of the transformer station of 220kV and each grade of 35KV.
Intelligent terminal module 3 comprises intelligent terminal assembly 3a and GOOSE signal switcher 3b; wherein an end of intelligent terminal assembly is connected with data network integrated circuit board 1 by cable connection; the other end then is passed to the GOOSE signal switcher by GOOSE optical fiber with signal, and the GOOSE signal switcher passes to message accounting analysis and playback reproducer 4, digitizing measure and control device 5 and main transformer protection module 6 by GOOSE optical fiber with signal again.
Purpose of design is herein; because in the intelligent substation; the position signalling of the switch of protection, measure and control device output, the control command of plug-in strip and switch, plug-in strip all is to transmit with the form of GOOSE signal, and the intelligent terminal module is responsible for carrying out GOOSE and empty node signal is changed.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 that protection is sent, and comprises TJQ tripping operation, TJR tripping operation and reclosing order, then drives corresponding exit relay action, and the GOOSE order is converted to hard contact output.
(2) remote control output.Device has 33 the road to be left, and except isolating switch breaker tripping and closing and locking outlet, also has 4 and the remote controls of ground cuttves is divided, closes and locking totally 24 is paid a mouthful contact every cutter, 4.
Device receives the various GOOSE orders that observing and controlling is sent, and comprises circuit-breaker switching on-off, every divide-shut brake and the lock-in control order of cutter and ground cutter, then drives corresponding exit relay action, and the GOOSE order is converted to hard contact output.
(3) remote signalling input.Device have 54 the tunnel open into, can the in-site collecting circuit breaker position, the switching value such as disconnecting link position, 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 uses based on the integrated testing platform of Real-time Simulation Technology take real-time emulation system as the basis; by the merge cells module 2 that arranges; 3 pairs of walls of intelligent terminal module (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 controlling and transmission; consisted of the complete intelligent test platform of a cover; its testing result accurate and effective; and the present invention can carry out device level and system-level test, is applicable to the simulation test field of the transformer station of various intelligent grids.
Claims (4)
1. the transformer station integrated testing platform based on Real-time Simulation Technology comprises the data network integrated circuit board (1) with input information output and sampled value transmission for real-time emulation system, it is characterized in that:
Described data network integrated circuit board (1) is connected 3 with merge cells module (2) with the intelligent terminal module respectively by cable connection) be connected;
Described merge cells module (2) is connected 6 with playback reproducer (4), digitizing measure and control device (5) with the main transformer protection module with the message accounting analysis respectively by the sampled value special optic fibre) be connected;
Described intelligent terminal module (3) is connected 6 with playback reproducer (4), digitizing measure and control device (5) with the main transformer protection module with the message accounting analysis respectively by GOOSE optical fiber) be connected;
Described message accounting analysis is connected 6 with playback reproducer (4), digitizing measure and control device (5) with the main transformer protection module) be connected with monitoring backstage (8) and protection substation (9) by monitor message switch (7) again.
2. the integrated testing platform of a kind of transformer station as claimed in claim 1 based on Real-time Simulation Technology; described merge cells module (2) comprises aanalogvoltage assembly (2a); analog sampling value switch (2b) and 1588 clock synchronization modules (2c); wherein an end of aanalogvoltage assembly (2a) is connected with data network integrated circuit board (1) by cable connection; the other end of aanalogvoltage assembly is passed to analog sampling value switch with its analog voltage signal; this switch passes to message accounting analysis and playback reproducer (4) by the sampled value special optic fibre with signal again; digitizing measure and control device (5) and main transformer protection module (6), 1588 clock synchronization modules (2c) then are connected with analog sampling value switch and it are carried out clock synchronous control.
3. the integrated testing platform of a kind of transformer station as claimed in claim 2 based on Real-time Simulation Technology, described aanalogvoltage assembly (2a) comprises 500KV aanalogvoltage unit, 220KV aanalogvoltage unit and 35KV aanalogvoltage unit.
4. the integrated testing platform of a kind of transformer station as claimed in claim 1 based on Real-time Simulation Technology; described intelligent terminal module (3) comprises intelligent terminal assembly (3a) and GOOSE signal switcher (3b); wherein an end of intelligent terminal assembly is connected with data network integrated circuit board (1) by cable connection; the other end then is passed to the GOOSE signal switcher by GOOSE optical fiber with signal, and the GOOSE signal switcher passes to message accounting analysis and playback reproducer (4) by GOOSE optical fiber with signal again; digitizing measure and control device (5) and main transformer protection module (6).
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