CN109142919A - Extra-high voltage direct-current based on the simulation of overall process operation characteristic keeps the scene intact test method, device and system - Google Patents

Extra-high voltage direct-current based on the simulation of overall process operation characteristic keeps the scene intact test method, device and system Download PDF

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Publication number
CN109142919A
CN109142919A CN201810889145.XA CN201810889145A CN109142919A CN 109142919 A CN109142919 A CN 109142919A CN 201810889145 A CN201810889145 A CN 201810889145A CN 109142919 A CN109142919 A CN 109142919A
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China
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data
fault
model
protection
simulation
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孔祥平
高磊
李鹏
罗强
李娟�
汤汉松
王晨清
张弛
弓新月
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
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Priority to CN201810889145.XA priority Critical patent/CN109142919A/en
Publication of CN109142919A publication Critical patent/CN109142919A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

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  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

本发明公开一种基于全过程运行特性模拟的特高压直流保护现场测试方法、装置和系统，包括：构建特高压直流输电工程交直流一次主回路模型和直流控制系统等效模型；根据所需实现的特高压直流输电工程运行方式，进行模型参数配置；根据被测保护的功能逻辑，进行保护测试配置；利用已配置的模型进行暂态仿真运行计算，得到仿真运行数据；对仿真运行数据进行抽取和处理，得到最终用于分别输出至被测保护装置的交流模拟量仿真信号、数字量仿真信号、开关量仿真信号和控制总线仿真信号；获取被测保护装置的保护出口动作信息，并进行存储。本发明通过对特高压直流输电工程的全过程运行特性进行模拟，可确保特高压直流保护功能测试的可靠性。

The invention discloses an on-site testing method, device and system for ultra-high voltage direct current protection based on the simulation of whole-process operation characteristics. According to the operation mode of the UHV DC transmission project, the model parameters are configured; the protection test configuration is performed according to the functional logic of the protection under test; the transient simulation operation calculation is performed by using the configured model, and the simulation operation data is obtained; the simulation operation data is extracted. and processing to obtain the AC analog simulation signal, digital simulation signal, switch simulation signal and control bus simulation signal that are finally output to the protection device under test respectively; obtain the protection exit action information of the protection device under test, and store it . The invention can ensure the reliability of the protection function test of the ultra-high voltage direct current by simulating the whole-process operation characteristics of the ultra-high voltage direct current transmission project.

Description

Based on overall process operation characteristic simulation extra-high voltage direct-current keep the scene intact test method, Device and system
Technical field
The present invention relates to extra-high voltage direct-currents to protect detection technique field, especially a kind of to be simulated based on overall process operation characteristic Extra-high voltage direct-current keep the scene intact test macro.
Background technique
DC protection system is the security guard of extra-high voltage DC transmission system, and real-time monitoring inverter, filter etc. are set Standby and region various running state parameters quickly protect all electrical equipments such as converter station and DC power transmission line from electricity The damage of gas failure has important influence to the operation of entire electric system.In recent years, with more and more extra-high voltage direct-currents Building up successively for power transmission engineering puts into operation, and the workload of extra-high voltage direct-current protection system debug and O&M increasingly aggravates.
Extra-high voltage direct-current protection system is related to the analog quantity sampling input of routine transformer, the digital quantity of electronic type CT is adopted Sample input, On-off signal/output and with the diversified input/output information such as the high-speed traffic of control system；In addition, The fault signature of extra-high voltage direct-current transmission engineering and the DC engineering method of operation, control system response etc. are related, extremely complex.Cause This, the conventional AC that extra-high voltage direct-current transmission engineering dynamic process can not be simulated, Control protection system high-speed traffic can not be simulated Relay protection on-the-spot test method and apparatus cannot achieve the validity test of extra-high voltage direct-current defencive function and performance.This makes Extra-high voltage direct-current transmission engineering field adjustable or O&M stage are only capable of setting number by control protection software or modifying definite value making to protect Movement, to examine the correctness of outlet loop, and lacks effective extra-high voltage direct-current protection test technology and means, is unfavorable for spy The safe and stable operation of high voltage direct current transmission project.
Summary of the invention
The object of the present invention is to propose that a kind of extra-high voltage direct-current based on the simulation of overall process operation characteristic keeps the scene intact test Methods, devices and systems are simulated by the overall process operation characteristic to practical extra-high voltage direct-current transmission engineering, will be simulated The simulation run data arrived are used to carry out on-the-spot test to extra-high voltage direct-current protective device, it can be ensured that extra-high voltage direct-current protects function The reliability of energy, the performance test results.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
In a first aspect, keeping the scene intact the test method of test macro the present invention provides a kind of extra-high voltage direct-current, comprising:
S1 determines fault test type according to the defencive function type of tested protective device；And it is all kinds of according to tested protective device The function logic of defencive function determines the emulation letter of the corresponding failure relevant parameter of corresponding failure test-types and required output Number；
S2, for any fault test type, by the corresponding failure relevant parameter of the fault test type, as what is constructed in advance The input of major loop model of alternating current-direct current and control system equivalent model is based on major loop model of alternating current-direct current and control System equivalent model processed carries out fault transient simulation calculation, obtains the emulation under the corresponding failure operation mode of fault test type Operation data；
S3 carries out data pick-up to the simulation run data that S2 is obtained, the emulation exported needed for obtaining according to fault test type The corresponding each simulation run data of signal；
S4 is respectively processed each simulation run data that S3 is extracted, obtain ac analog, digital quantity, switching value with And control bus emulates signal, is exported respectively to the corresponding test volume input terminal of tested protective device；
S5, the protection act for obtaining tested protective device exports signal, and stores.
The test process of the above method of the present invention is intended to simulate practical extra-high voltage direct-current transmission engineering in the various methods of operation Under operation characteristic, and obtain corresponding operation data, the protection act realized as all kinds of defencive functions of tested protective device Foundation, so as to which for judging under specified fault test type, whether the protection exit signal of tested protective device meets Defencive function corresponding to fault test type.Under the premise of having specified fault test type, according to tested protective device Whether the corresponding defencive function that protection exit signal analyzes tested protective device is normally the prior art.
Preferably, in S1, described major loop model of the alternating current-direct current constructed in advance includes AC system submodel, exchange It is filter submodel, converter power transformer submodel, valve group submodel, DC filter submodel, smoothing reactor submodel, straight Flow Line and earthing pole submodel and switch submodel；
Each submodel in major loop model of alternating current-direct current carries out model parameter according to practical extra-high voltage direct-current transmission engineering and matches It sets, including to AC system parameter, alternating current filter type and quantity, DC filter type and quantity, valve group input quantity It is configured with Ground return/metallic return selection；
The control system equivalent model constructed in advance is for simulating control system in practical extra-high voltage direct-current transmission engineering Control characteristic.Unlock/lock-in control of the control system equivalent model for realizing valve group, valve pulse generation/ignition control, current limliting The simulation of the DC control systems basic function such as control and current/voltage blow-out angle closed-loop control, and control characteristic meets reality The operation characteristic of border extra-high voltage direct-current transmission engineering.
In S1, the corresponding failure relevant parameter of each fault test type includes: that abort situation, fault type and failure continue Time parameter；Signal needed for defencive function is realized in tested protection includes AC/DC side voltage, AC/DC side electric current, switch position Set the emulation signal exported needed for determining with control system status signal, S3, that is, each signal needed for determining tested protect, with therefore Hinder test-types and the tested corresponding point position of defencive function logic.It is set according to each defencive function logic of tested protective device It sets corresponding failure relevant parameter and corresponding signal point position is the prior art.
In S2, the input of failure relevant parameter is allowed the invention to based on major loop model of the alternating current-direct current constructed With control system equivalent model, fault transient simulation calculation is carried out, is mutually being met the tendency of with imitating practical extra-high voltage direct-current transmission engineering Operation characteristic under line mode, to generate corresponding transient state supplemental characteristic.
Corresponding with S1, in S3, the data pick-up carried out to simulation run data is, according to current failure test class Type extracts alternating voltage current data, the DC voltage and current data, switching value number of corresponding measuring point position in simulation run data Accordingly and control bus data；
S4 includes: to obtain ac analog to the progress digital-to-analogue conversion of AC voltage/current data and power amplification that extract Emulate signal；The DC voltage/current data extracted are exported using optical fiber sending module, obtain digital quantity emulation letter Number；The switching value data extracted is exported using isolation module, obtains switching value emulation signal；Control to extracting Bus data adapt to the protocol conversion of tested protective device, obtains control bus emulation signal.
Further, in test method of the present invention, after step S4 obtains protection act outlet signal, according to the letter got Number failure wave-recording is generated, and then failure wave-recording is stored.Subsequent facilitate extracts stored failure wave-recording, so as at any time Defencive function analysis is carried out to tested protective device.It is related according to specified fault test type when test and its corresponding failure Parameter, deducibility is tested theoretical protection exit data of the protective device when defencive function is normal, by theoretical protection exit data It is compared with the protection exit action message or fault recorder data actually got, that is, can determine whether corresponding defencive function It is whether normal.
Second aspect keeps the scene intact test device invention additionally discloses a kind of extra-high voltage direct-current, comprising:
Fault test type and fault parameter configuration module, for determining event according to the defencive function type for being tested protective device Hinder test-types；And according to the function logic of all kinds of defencive functions of tested protective device, determine that corresponding failure test-types are corresponding Failure relevant parameter and required output emulation signal；
Fault transient simulation algorithm model, for being directed to any fault test type, by the corresponding failure of fault test type Relevant parameter, as the input of major loop model of the alternating current-direct current constructed in advance and control system equivalent model, based on friendship Major loop model of direct current and control system equivalent model carry out fault transient simulation calculation, obtain fault test type pair Simulation run data under the failure operation mode answered；
Simulation run data extraction module, for carrying out data pick-up to simulation run data, the emulation letter exported needed for obtaining Number corresponding each simulation run data；
Simulation run data processing module is respectively processed each simulation run data extracted, obtain ac analog, Digital quantity, switching value and control bus emulate signal, are exported respectively to the corresponding test volume input terminal of tested protective device；
Protection act exports signal acquisition module, and the protection act for obtaining tested protective device exports signal, and stores.
The third aspect keeps the scene intact test macro invention additionally discloses a kind of extra-high voltage direct-current, including network interface, storage Device and processor, in which:
Network interface is for during being received and sent messages between other ext nal network elements, signal to be sended and received；
Memory is for storing the computer program instructions that can be run on the processor；
Processor is used for when running the computer program instructions, is executed and is transported described in any one of first aspect based on overall process The extra-high voltage direct-current of row simulated behavior keep the scene intact test method the step of.
Fourth aspect keeps the scene intact test macro the present invention also provides a kind of extra-high voltage direct-current, including is connected with each other communication Host computer and slave computer:
Host computer includes the first data-interface, first memory and first processor；First data-interface is for host computer under Signal transmission between position machine or other ext nal network elements；First memory can be run for storing on the first processor The number that is obtained from slave computer or other ext nal network elements of computer program instructions, program process data and host computer According to；
The computer program instructions that the first processor executes include:
Test model construction procedures module is protected, for based on the pass between preset fault test type and failure relevant parameter Connection relationship, it is primary to the alternating current-direct current constructed in advance using corresponding failure relevant parameter according to the fault test type currently set Major loop model and control system equivalent model carry out protection test configurations；
Fault transient simulation calculation program module, for based on major loop model of alternating current-direct current and control that configuration is completed System equivalent model carries out fault transient simulation calculation, the corresponding failure operation side of fault test type currently set Simulation run data under formula；
Data extraction module, for based on being associated between preset fault test type and the emulation signal of required output System, each simulation run data corresponding to the emulation signal in simulation run data, with required output are extracted respectively；
Slave computer includes the second data-interface, second memory and second processor；Second data-interface for slave computer with Signal transmission between position machine or other ext nal network elements；Second memory is based on storing and can run in second processor The data that calculation machine program instruction, program process data and slave computer obtain from host computer or other ext nal network elements；
Second data-interface include respectively with the analog output unit of tested protective device connection communication, digital output Unit, switch amount output unit, control bus signal output unit and protection signal acquisition unit；
The computer program instructions that the second processor executes include:
Data processor module, for handling each simulation run data that host computer exports, to respectively obtain exchange Analog quantity, DC digital amount, switching value and control bus data, and pass through the analog output list in the second data-interface respectively Member, digital output unit, switch amount output unit, control bus signal output unit carry out signal output；
Protection exit action message capture program module, for acquiring tested protection by the protection signal acquisition unit The protection exit action signal of device, and exported by the first data-interface to host computer.
Described major loop model of the alternating current-direct current constructed in advance includes AC system submodel, alternating current filter submodule It type, converter power transformer submodel, valve group submodel, DC filter submodel, smoothing reactor submodel, DC line and connects Earth polar submodel and switch submodel；
Each submodel in major loop model of alternating current-direct current carries out model parameter according to practical extra-high voltage direct-current transmission engineering and matches It sets, including to AC system parameter, alternating current filter type and quantity, DC filter type and quantity, valve group input quantity It is configured with Ground return/metallic return selection；
The control system equivalent model constructed in advance is for simulating control system in practical extra-high voltage direct-current transmission engineering Control characteristic.
Incidence relation between the preset fault test type and failure relevant parameter includes, fault test type with The defencive function and abort situation of incidence relation and each tested protective device between tested protective device defencive function, event Hinder the incidence relation between type and trouble duration；
Incidence relation between the emulation signal of the preset fault test type and required output is fault test type with Incidence relation between the point position of each emulation signal needed for tested protection.
Further, computer program instructions performed by the first processor of present aspect host computer further include: failure record Wave generates program module, for generating failure wave-recording waveform according to the protection exit action signal from slave computer；It is generated Failure wave-recording Waveform storage is to first memory.Convenient for consequent malfunction analysis and the defencive function of tested protective device point Analysis.
5th aspect, keeps the scene intact test macro invention additionally discloses a kind of extra-high voltage direct-current, including is connected with each other communication Host computer and slave computer:
Host computer includes model parameter configuration module, test parameter configuration module, simulation algorithm model, data extraction module, One data interface module and protection act data memory module, in which:
Major loop model of alternating current-direct current and the DC control system of extra-high voltage direct-current transmission engineering are built in simulation algorithm model System equivalent model；
User is by model parameter configuration module input model configuration parameter information, according to practical extra-high voltage direct-current transmission engineering Model parameter configuration is carried out to major loop model of the alternating current-direct current；And preset survey is inputted by test parameter configuration module Function type and its corresponding fault configuration parameter information are tried, to major loop model of the alternating current-direct current and DC control system System equivalent model carries out protection test configurations；
Simulation algorithm model utilizes configured major loop model of alternating current-direct current and DC control system equivalent model, carries out phase It answers the fault transient under the method for operation to emulate, obtains the simulation run number for meeting practical extra-high voltage direct-current transmission engineering operation characteristic According to；
Data extraction module is according to the incidence relation between preset fault test type and the emulation signal of required output, to imitative In true operation data, each simulation run data corresponding with the emulation signal of required output, extracted respectively, and then pass through the One data interface module is exported to slave computer；
Slave computer includes data processing module and the second data interface module, in which:
Second data interface module include respectively with the analog output unit of tested protective device connection communication, digital output Unit, switch amount output unit, control bus signal output unit and protection signal acquisition unit；
Data processing module receives simulation run data from host computer and handles, and obtains ac analog, DC voltage and current, opens Pass amount and control bus data, and be transmitted separately to the analog output unit of the second data-interface, digital output unit, open Measure output unit, control bus signal output unit in pass；Data processing module also passes through protection signal acquisition unit and obtains The protection act of tested protective device exports signal, is transmitted to host computer through the first data interface module；
The protection act that host computer obtains tested protective device exports signal, is stored in protection act data memory module.
Further, host computer further includes failure wave-recording generation module, and failure wave-recording generation module is received according to host computer The protection act of the tested protective device arrived exports signal, generates corresponding failure wave-recording waveform, and then be stored in protection act Data memory module.Subsequent various data analyses can be facilitated.
Preferably, major loop model of the alternating current-direct current of simulation algorithm model includes AC system model, alternating current filter Model, converter power transformer model, valve group model, DC filter model, smoothing reactor model, DC line and earthing pole mould Type and switch models；User model parameter configuration module input model configuration parameter information includes: AC system parameter, exchange filter Wave device type and quantity, DC filter type and quantity, valve group input quantity and Ground return/metallic return selection, thus Realize the different running method of extra-high voltage direct-current transmission engineering.
Unlock/lock-in control of the control system equivalent model for realizing valve group, valve pulse generation/ignition control, current limliting The simulation of the DC control systems basic function such as control and electric current, voltage blow-out angle closed-loop control, and control characteristic meets reality The operation characteristic of border extra-high voltage direct-current transmission engineering.
Preferably, the analog output unit of the second data interface module, digital output unit, output switch parameter list Member, control bus signal output unit and protection act information acquisition unit, respectively include for connecting tested protective device Hardware interface.
Preferably, data processing module includes the Power PC processor and FPGA, Power PC processor of timing synchronization The simulation run data extracted are received, FPGA is output this to；FPGA include DA TCU transfer control unit, communication interaction unit and Multiple-channel output control unit；FPGA carries out communication interaction by communication interaction unit and Power PC processor, is converted by DA Control unit carries out digital-to-analogue conversion to the alternating voltage current data in simulation run data and obtains ac analog, passes through multichannel Output control unit according to Power PC processor specified data type and output the time, by ac analog emulate signal with And DC voltage and current, switching value and the control bus data extracted, it respectively corresponds and is transmitted to the second data interface module Analog output unit, digital output unit, switch amount output unit and control bus signal output unit.
Preferably, in the second data interface module:
Analog output unit includes power amplification circuit, and the alternating voltage electric current that power amplification circuit receives FPGA output carries out After power amplification, exported as ac analog by hardware interface；
Digital output unit includes optical fiber transmission circuit, at the DC voltage and current that optical fiber transmission circuit exports FPGA Reason, and then exported as digital quantity signal by hardware interface；
Switch amount output unit includes isolation circuit, and the switching value of FPGA output is logical as on-off model after isolation circuit Cross hardware interface output.
Control bus signal output unit includes protocol conversion module, and the control that protocol conversion module receives FPGA output is total Line number evidence, and the protocol conversion being adapted with tested protective device is carried out to it, the control bus signal after protocol conversion is led to Cross corresponding hardware interface output.
Beneficial effect
1) the present invention is based on the extra-high voltage direct-currents of overall process operation characteristic simulation to keep the scene intact test method, passes through building extra-high voltage DC transmission engineering exchanges a major loop model and control system equivalent model, to the overall process of extra-high voltage direct-current transmission engineering Operation characteristic is simulated, and when so that the present invention being applied to the on-the-spot test of extra-high voltage direct-current protective device, can satisfy a variety of DC protection system defencive function testing requirement under different running method, while can ensure that and extra-high voltage direct-current protective device is protected The reliability of the test result of protective function；
2) present invention on host computer by constructing the spy being made of major loop model of alternating current-direct current, control system equivalent model High voltage direct current transmission project electrical-magnetic model, the different running method and defencive function for configuring extra-high voltage direct-current transmission engineering are surveyed Channel signal needed for examination, and the diversiform datas such as analog quantity, digital quantity, switching value and control bus signal are realized by slave computer Protocol conversion and synchronism output, the final on-the-spot test for realizing extra-high voltage direct-current defencive function, performance；
3) present invention can carry out model ginseng to extra-high voltage direct-current transmission engineering electrical-magnetic model according to actual test environment needs Number configuration；The model event of corresponding different faults testing requirement according to the defencive function logic of tested protective device, can be determined simultaneously Hinder relevant parameter, matches to carry out protection test to extra-high voltage direct-current transmission engineering electrical-magnetic model according to defencive function to be measured It sets, realizes the test under various failure operation modes to DC protection system, test function is comprehensive, as a result reliably；
4) present invention is obtained and is stored by the protection exit action message to tested protective device, is especially recorded with failure Waveshape is stored, and the calculated load of host computer can be reduced, and is facilitated and subsequent is analyzed at any time this partial data.
To sum up, the present invention can carry out accurate simulation to the fault characteristic of extra-high voltage direct-current transmission engineering complexity, thus Realize that extra-high voltage direct-current protects system function, the validity test of performance, it is ensured that the operational safety of extra-high voltage direct-current transmission engineering, tool There is good application prospect.
Detailed description of the invention
Fig. 1 show a kind of extra-high voltage direct-current protection based on the simulation of overall process operation characteristic provided in an embodiment of the present invention On-the-spot test method flow schematic diagram；
Fig. 2 show a kind of extra-high voltage direct-current based on the simulation of overall process operation characteristic provided in an embodiment of the present invention and keeps the scene intact The circuit theory schematic diagram that test macro utilizes hardware+software to realize.
Specific embodiment
It is further described below in conjunction with the drawings and specific embodiments.
Embodiment 1
It keeps the scene intact the test of test macro the present embodiment provides a kind of extra-high voltage direct-current based on the simulation of overall process operation characteristic Method, comprising:
S1 determines fault test type according to the defencive function type of tested protective device；And it is all kinds of according to tested protective device The function logic of defencive function determines the emulation letter of the corresponding failure relevant parameter of corresponding failure test-types and required output Number；
S2, for any fault test type, by the corresponding failure relevant parameter of the fault test type, as what is constructed in advance The input of major loop model of alternating current-direct current and control system equivalent model is based on major loop model of alternating current-direct current and control System equivalent model processed carries out fault transient simulation calculation, obtains the emulation under the corresponding failure operation mode of fault test type Operation data；
S3 carries out data pick-up to the simulation run data that S2 is obtained, the emulation exported needed for obtaining according to fault test type The corresponding each simulation run data of signal；
S4 is respectively processed each simulation run data that S3 is extracted, obtain ac analog, digital quantity, switching value with And control bus emulates signal, is exported respectively to the corresponding test volume input terminal of tested protective device；
S5, the protection act for obtaining tested protective device exports signal, and stores.
The above-mentioned test process of the present embodiment is intended to simulate practical extra-high voltage direct-current transmission engineering under the various methods of operation Operation characteristic, and obtain corresponding operation data, as the protection act foundation that all kinds of defencive functions of tested protective device are realized, To can determine whether under specified fault test type, whether the protection exit signal of tested protective device meets fault test class Defencive function corresponding to type.Under the premise of having specified fault test type, believed according to the protection exit of tested protective device Number analyze whether the corresponding defencive function of tested protective device is normally the prior art.
In S1, described major loop model of the alternating current-direct current constructed in advance includes AC system submodel, alternating current filter Submodel, converter power transformer submodel, valve group submodel, DC filter submodel, smoothing reactor submodel, DC line And earthing pole submodel and switch submodel；
Each submodel in major loop model of alternating current-direct current carries out model parameter according to practical extra-high voltage direct-current transmission engineering and matches It sets, including to AC system parameter, alternating current filter type and quantity, DC filter type and quantity, valve group input quantity It is configured with Ground return/metallic return selection；
The control system equivalent model constructed in advance is for simulating control system in practical extra-high voltage direct-current transmission engineering Control characteristic.
In S2, control system equivalent model for realizing unlock/lock-in control of valve group, valve pulse generation/ignition control, The simulation of the DC control systems basic function such as Current limited Control and current/voltage blow-out angle closed-loop control, and control characteristic accords with Close the operation characteristic of practical extra-high voltage direct-current transmission engineering.
In S3, the corresponding failure relevant parameter of each fault test type includes: that abort situation, fault type and failure continue Time parameter；Signal needed for defencive function is realized in tested protection includes AC/DC side voltage, AC/DC side electric current, switch position Set the emulation signal exported needed for determining with control system status signal, S3, that is, each signal needed for determining tested protect, with therefore Hinder test-types and the tested corresponding point position of defencive function logic.
The input of S4 model failure relevant parameter and the model configuration in S1, allow the invention to based on alternating current-direct current one Secondary major loop model and control system equivalent model carry out fault transient simulation calculation, to imitate practical extra-high voltage direct-current transmission Operation characteristic of the engineering under the corresponding failure method of operation, to generate corresponding transient state supplemental characteristic.
In S5, data pick-up is carried out to simulation run data are as follows: according to current failure test-types, extract simulation run number According to the alternating voltage current data of middle corresponding measuring point position, DC voltage and current data, switching value data and control bus number According to；
S6 includes: to obtain ac analog to the progress digital-to-analogue conversion of AC voltage/current data and power amplification that extract Emulate signal；The DC voltage/current data extracted are exported using optical fiber sending module, obtain digital quantity emulation letter Number；The switching value data extracted is exported using isolation module, obtains switching value emulation signal；Control to extracting Bus data adapt to the protocol conversion of tested protective device, obtains control bus emulation signal.
Further, after the present embodiment step S7 obtains protection act outlet signal, event is generated according to the signal got Hinder recording, and then failure wave-recording is stored.Subsequent facilitate extracts stored failure wave-recording, so as at any time to tested guarantor Protection unit carries out defencive function analysis.It, can according to specified fault test type when test and its corresponding failure relevant parameter Infer tested theoretical protection exit data of the protective device when defencive function is normal, by theoretical protection exit data with actually obtain Just whether the protection exit action message or fault recorder data got compare, that is, can determine whether corresponding defencive function Often.
The present embodiment is kept the scene intact test method based on the extra-high voltage direct-current that overall process operation characteristic is simulated, and it is special to pass through building High voltage direct current transmission project exchanges a major loop model and control system equivalent model, to the fortune of extra-high voltage direct-current protection system The overall process operation characteristic of row environment, i.e. extra-high voltage direct-current transmission engineering is simulated, so that the present invention is applied to extra-high straightening When flowing the on-the-spot test of protective device, the DC protection system defencive function test that can satisfy under a variety of different running methods is needed It asks, while can ensure that the reliability of the test result to extra-high voltage direct-current protective device defencive function.
Embodiment 2
Inventive concept same as Example 1, the present embodiment are a kind of extra-high voltage direct-current based on the simulation of overall process operation characteristic Keep the scene intact test device, comprising:
Fault test type and fault parameter configuration module, for determining event according to the defencive function type for being tested protective device Hinder test-types；And according to the function logic of all kinds of defencive functions of tested protective device, determine that corresponding failure test-types are corresponding Failure relevant parameter and required output emulation signal；
Fault transient simulation algorithm model, for being directed to any fault test type, by the corresponding failure of fault test type Relevant parameter, as the input of major loop model of the alternating current-direct current constructed in advance and control system equivalent model, based on friendship Major loop model of direct current and control system equivalent model carry out fault transient simulation calculation, obtain fault test type pair Simulation run data under the failure operation mode answered；
Simulation run data extraction module, for carrying out data pick-up to simulation run data, the emulation letter exported needed for obtaining Number corresponding each simulation run data；
Simulation run data processing module is respectively processed each simulation run data extracted, obtain ac analog, Digital quantity, switching value and control bus emulate signal, are exported respectively to the corresponding test volume input terminal of tested protective device；
Protection act exports signal acquisition module, and the protection act for obtaining tested protective device exports signal, and stores.
Embodiment 3
Inventive concept identical with previous embodiment 1 and 2, the present embodiment provides a kind of spies based on the simulation of overall process operation characteristic High voltage direct current keeps the scene intact test macro, including network interface, memory and processor, in which:
Network interface is for during being received and sent messages between other ext nal network elements, signal to be sended and received；
Memory is for storing the computer program instructions that can be run on the processor；
Processor is used for when running the computer program instructions, is executed and is based on overall process operation characteristic described in embodiment 1 The extra-high voltage direct-current of simulation keep the scene intact test method the step of.
Embodiment 4
It is based on identical inventive concept with previous embodiment, is run refering to what is shown in Fig. 2, the present embodiment provides one kind based on overall process The extra-high voltage direct-current of simulated behavior keeps the scene intact test macro, host computer and slave computer including being connected with each other communication:
Host computer includes the first data-interface, first memory and first processor；First data-interface is for host computer under Signal transmission between position machine or other ext nal network elements；First memory can be run for storing on the first processor The number that is obtained from slave computer or other ext nal network elements of computer program instructions, program process data and host computer According to；
The computer program instructions that the first processor executes include:
Test model construction procedures module is protected, for based on the pass between preset fault test type and failure relevant parameter Connection relationship, it is primary to the alternating current-direct current constructed in advance using corresponding failure relevant parameter according to the fault test type currently set Major loop model and control system equivalent model carry out protection test configurations；
Fault transient simulation calculation program module, for based on the alternating current-direct current that model parameter configuration and protection test configurations is completed Major loop model and control system equivalent model carry out fault transient simulation calculation, and the failure currently set is surveyed Try the simulation run data under the corresponding failure operation mode of type；
Data extraction module, for based on being associated between preset fault test type and the emulation signal of required output System, each simulation run data corresponding to the emulation signal in simulation run data, with required output are extracted respectively；
Slave computer includes the second data-interface, second memory and second processor；Second data-interface for slave computer with Signal transmission between position machine or other ext nal network elements；Second memory is based on storing and can run in second processor The data that calculation machine program instruction, program process data and slave computer obtain from host computer or other ext nal network elements；
Second data-interface include respectively with the analog output unit of tested protective device connection communication, digital output Unit, switch amount output unit, control bus signal output unit and protection signal acquisition unit；
The computer program instructions that the second processor executes include:
Data processor module, for handling each simulation run data that host computer exports, to respectively obtain exchange Analog quantity, DC digital amount, switching value and control bus data, and pass through the analog output list in the second data-interface respectively Member, digital output unit, switch amount output unit, control bus signal output unit carry out signal output；
Protection exit action message capture program module, for acquiring tested protection by the protection signal acquisition unit The protection exit action signal of device, and exported by the first data-interface to host computer.
Described major loop model of the alternating current-direct current constructed in advance includes AC system submodel, alternating current filter submodule It type, converter power transformer submodel, valve group submodel, DC filter submodel, smoothing reactor submodel, DC line and connects Earth polar submodel and switch submodel；
Each submodel in major loop model of alternating current-direct current carries out model parameter according to practical extra-high voltage direct-current transmission engineering and matches It sets, including to AC system parameter, alternating current filter type and quantity, DC filter type and quantity, valve group input quantity It is configured with Ground return/metallic return selection；
The control system equivalent model constructed in advance is for simulating control system in practical extra-high voltage direct-current transmission engineering Control characteristic.
Incidence relation between the preset fault test type and failure relevant parameter includes, fault test type with The defencive function and abort situation of incidence relation and each tested protective device between tested protective device defencive function, event Hinder the incidence relation between type and trouble duration；
Incidence relation between the emulation signal of the preset fault test type and required output is fault test type with Incidence relation between the point position of each emulation signal needed for tested protection.
In the present embodiment, computer program instructions performed by the first processor of host computer further include: failure wave-recording is raw At program module, for generating failure wave-recording waveform according to the protection exit action signal from slave computer；Failure generated Recording Waveform storage is to first memory.It is analyzed convenient for consequent malfunction analysis and the defencive function of tested protective device.
Embodiment 5
It is based on identical inventive concept with previous embodiment, as shown in Fig. 2, the present embodiment provides one kind based on overall process operation spy Property simulation extra-high voltage direct-current keep the scene intact test macro, host computer and slave computer including being connected with each other communication:
Host computer includes model parameter configuration module, test parameter configuration module, simulation algorithm model, data extraction module, One data interface module and protection act data memory module, in which:
Major loop model of alternating current-direct current and the DC control system of extra-high voltage direct-current transmission engineering are built in simulation algorithm model System equivalent model；
User is by model parameter configuration module input model configuration parameter information, according to practical extra-high voltage direct-current transmission engineering Model parameter configuration is carried out to major loop model of the alternating current-direct current；And preset survey is inputted by test parameter configuration module Function type and its corresponding fault configuration parameter information are tried, to major loop model of the alternating current-direct current and DC control system System equivalent model carries out protection test configurations；
Simulation algorithm model utilizes configured major loop model of alternating current-direct current and DC control system equivalent model, carries out phase It answers the fault transient under the method for operation to emulate, obtains the simulation run number for meeting practical extra-high voltage direct-current transmission engineering operation characteristic According to；
Data extraction module is according to the incidence relation between preset fault test type and the emulation signal of required output, to imitative In true operation data, each simulation run data corresponding with the emulation signal of required output, extracted respectively, and then pass through the One data interface module is exported to slave computer；
Slave computer includes data processing module and the second data interface module, in which:
Second data interface module include respectively with the analog output unit of tested protective device connection communication, digital output Unit, switch amount output unit, control bus signal output unit and protection signal acquisition unit；
Data processing module receives simulation run data from host computer and handles, and obtains ac analog, DC voltage and current, opens Pass amount and control bus data, and be transmitted separately to the analog output unit of the second data-interface, digital output unit, open Measure output unit, control bus signal output unit in pass；Data processing module also passes through protection signal acquisition unit and obtains The protection act of tested protective device exports signal, is transmitted to host computer through the first data interface module；
The protection act that host computer obtains tested protective device exports signal, is stored in protection act data memory module.
Further, host computer further includes failure wave-recording generation module, and failure wave-recording generation module is received according to host computer The protection act of the tested protective device arrived exports signal, generates corresponding failure wave-recording waveform, and then be stored in protection act Data memory module.Subsequent various data analyses can be facilitated.
Major loop model of alternating current-direct current of simulation algorithm model includes AC system model, alternating current filter model, changes It convertor transformer model, valve group model, DC filter model, smoothing reactor model, DC line and earthing pole model and opens Close model；User model parameter configuration module input model configuration parameter information includes: AC system parameter, alternating current filter class Type and quantity, DC filter type and quantity, valve group input quantity and Ground return/metallic return selection, to realize spy The different running method of high voltage direct current transmission project.
Unlock/lock-in control of the control system equivalent model for realizing valve group, valve pulse generation/ignition control, current limliting The simulation of the DC control systems basic function such as control and electric current, voltage blow-out angle closed-loop control, and control characteristic meets reality The operation characteristic of border extra-high voltage direct-current transmission engineering.
The analog output unit of second data interface module, digital output unit, switch amount output unit, control are total Line signal output unit and protection act information acquisition unit, respectively include the hardware interface for connecting tested protective device.
Refering to what is shown in Fig. 2, data processing module includes at the Power PC processor and FPGA, Power PC of timing synchronization Reason device receives the simulation run data extracted, outputs this to FPGA；FPGA includes DA TCU transfer control unit, communication interaction list Member and multiple-channel output control unit；FPGA carries out communication interaction by communication interaction unit and Power PC processor, passes through DA TCU transfer control unit carries out digital-to-analogue conversion to the alternating voltage current data in simulation run data and obtains ac analog, passes through Ac analog is emulated and is believed according to Power PC processor specified data type and output time by multiple-channel output control unit Number and the DC voltage and current, switching value and the control bus data that have extracted, respectively correspond and be transmitted to the second data-interface mould Analog output unit, digital output unit, switch amount output unit and the control bus signal output unit of block.
In second data interface module, analog output unit includes power amplification circuit, and power amplification circuit receives After the alternating voltage electric current of FPGA output carries out power amplification, exported as ac analog by hardware interface.
In second data interface module, digital output unit includes optical fiber transmission circuit, and optical fiber transmission circuit is to FPGA The DC voltage and current of output is handled, and exports digital quantity signal by corresponding hardware interface.
In second data interface module, switch amount output unit includes isolation circuit, and the switching value of FPGA output is through being isolated After circuit, exported as on-off model by hardware interface.
In second data interface module, control bus signal output unit includes protocol conversion module, protocol conversion module The control system data of FPGA output are received, and carry out the protocol conversion being adapted with tested protective device to it, agreement is turned Control bus signal after changing is exported by corresponding hardware interface.
Pass through Ethernet connection communication between host computer and test terminal.
To sum up, the present invention can simulate the operation characteristic of extra-high voltage direct-current transmission engineering stable state and fault transient overall process, Fault signature of the accurate response extra-high voltage direct-current transmission engineering under different running method, fault type and situation is realized The on-the-spot test of extra-high voltage direct-current defencive function, performance, it is ensured that the operational safety of extra-high voltage direct-current transmission engineering has good Application prospect.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
The embodiment of the present invention is described in conjunction with attached drawing above, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form, all of these belong to the protection of the present invention.

Claims (15)

1.一种特高压直流保护现场测试系统的测试方法，其特征是：包括：1. a test method for an ultra-high voltage direct current protection field test system, characterized in that: comprising: S1，根据被测保护装置的保护功能类型，确定故障测试类型；并根据被测保护装置各类保护功能的功能逻辑，确定相应故障测试类型对应的故障相关参数以及所需输出的仿真信号；S1, according to the protection function type of the tested protection device, determine the fault test type; and according to the functional logic of various protection functions of the tested protection device, determine the fault-related parameters corresponding to the corresponding fault test type and the required output simulation signal; S2，对于任一故障测试类型，将该故障测试类型对应的故障相关参数，作为预先构建的交直流一次主回路模型以及控制系统等效模型的输入，基于交直流一次主回路模型以及控制系统等效模型进行故障暂态仿真计算，得到故障测试类型对应的故障运行方式下的仿真运行数据；S2, for any fault test type, the fault-related parameters corresponding to the fault test type are used as the input of the pre-built AC-DC primary circuit model and the equivalent model of the control system, based on the AC-DC primary circuit model and the control system, etc. The fault transient simulation calculation is carried out by using the effective model, and the simulation operation data under the fault operation mode corresponding to the fault test type is obtained; S3，根据故障测试类型，对S2得到的仿真运行数据进行数据抽取，得到所需输出的仿真信号对应的各仿真运行数据；S3, according to the fault test type, perform data extraction on the simulation operation data obtained in S2, and obtain each simulation operation data corresponding to the simulation signal to be output; S4，对S3抽取出的各仿真运行数据分别进行处理，得到交流模拟量、数字量、开关量以及控制总线仿真信号，分别输出至被测保护装置的相应测试量输入端；S4, respectively process each simulation operation data extracted by S3, obtain AC analog quantity, digital quantity, switch quantity and control bus simulation signal, respectively output to the corresponding test quantity input end of the protection device under test; S5，获取被测保护装置的保护动作出口信号，并存储。S5, acquire and store the protection action exit signal of the tested protection device. 2.根据权利要求1所述的方法，其特征是：S1中，所述预先构建的交直流一次主回路模型包括交流系统子模型、交流滤波器子模型、换流变压器子模型、阀组子模型、直流滤波器子模型、平波电抗器子模型、直流线路及接地极子模型和开关子模型；2. The method according to claim 1, wherein: in S1, the pre-built AC-DC primary circuit model comprises an AC system sub-model, an AC filter sub-model, a converter transformer sub-model, a valve group sub-model Model, DC filter sub-model, smoothing reactor sub-model, DC line and grounding pole sub-model and switch sub-model; 交直流一次主回路模型中的各子模型根据实际特高压直流输电工程进行模型参数配置，包括对交流系统参数、交流滤波器类型和数量、直流滤波器类型和数量、阀组投入数量和大地回线/金属回线选择进行配置；Each sub-model in the AC-DC primary circuit model is configured with model parameters according to the actual UHVDC transmission project, including the parameters of the AC system, the type and quantity of the AC filter, the type and quantity of the DC filter, the input quantity of the valve group and the ground return. Line/metal return line selection for configuration; 所述预先构建的控制系统等效模型用于模拟实际特高压直流输电工程中控制系统的控制特性。The pre-built equivalent model of the control system is used to simulate the control characteristics of the control system in an actual UHVDC power transmission project. 3.根据权利要求1所述的方法，其特征是：S3中，各故障测试类型对应的故障相关参数包括：故障位置、故障类型和故障持续时间参数；被测保护实现保护功能所需的信号包括交/直流侧电压、交/直流侧电流、开关位置和控制系统状态信号，S1确定所需输出的仿真信号，即确定被测保护所需各信号的、与故障测试类型及被测保护功能逻辑相应的测点位置。3. The method according to claim 1, wherein: in S3, the fault-related parameters corresponding to each fault test type include: fault location, fault type and fault duration parameters; the signal required for the tested protection to realize the protection function Including AC/DC side voltage, AC/DC side current, switch position and control system status signal, S1 determines the required output simulation signal, that is, determines the signal required for the protection under test, the type of fault test and the protection function under test Logical corresponding measuring point location. 4.根据权利要求3所述的方法，其特征是：S3中，对仿真运行数据进行数据抽取为：按照当前故障测试类型，抽取仿真运行数据中相应测点位置的交流电压电流数据、直流电压电流数据、开关量数据，以及控制总线数据；4. method according to claim 3, it is characterized in that: in S3, carry out data extraction to simulation operation data: according to current fault test type, extract AC voltage and current data, DC voltage of corresponding measuring point position in simulation operation data Current data, switch data, and control bus data; S4包括：对抽取出的交流电压/电流数据进行数模转换以及功率放大得到交流模拟量仿真信号；对抽取出的直流电压/电流数据利用光纤发送模块进行输出，得到数字量仿真信号；对抽取出的开关量数据利用隔离模块进行输出，得到开关量仿真信号；对抽取出的控制总线数据进行适应被测保护装置的协议转换，得到控制总线仿真信号。S4 includes: performing digital-to-analog conversion and power amplification on the extracted AC voltage/current data to obtain an AC analog simulation signal; outputting the extracted DC voltage/current data using an optical fiber transmission module to obtain a digital simulation signal; The output switch data is output by the isolation module, and the switch quantity simulation signal is obtained; the extracted control bus data is subjected to protocol conversion suitable for the tested protection device, and the control bus simulation signal is obtained. 5.根据权利要求1所述的方法，其特征是： S5获取保护动作出口信号后，根据获取到的信号生成故障录波，进而对故障录波进行存储。5 . The method according to claim 1 , wherein: after obtaining the protection action exit signal in S5 , generating a fault recording wave according to the obtained signal, and then storing the fault recording wave. 6 . 6.一种特高压直流保护现场测试装置，其特征是：包括：6. A UHV DC protection field test device, characterized in that: comprising: 故障测试类型及故障参数配置模块，用于根据被测保护装置的保护功能类型，确定故障测试类型；并根据被测保护装置各类保护功能的功能逻辑，确定相应故障测试类型对应的故障相关参数以及所需输出的仿真信号；The fault test type and fault parameter configuration module is used to determine the fault test type according to the protection function type of the tested protection device; and according to the functional logic of various protection functions of the tested protection device, determine the corresponding fault test type. and the desired output simulation signal; 故障暂态仿真计算模块，用于针对任一故障测试类型，将该故障测试类型对应的故障相关参数，作为预先构建的交直流一次主回路模型以及控制系统等效模型的输入，基于交直流一次主回路模型以及控制系统等效模型进行故障暂态仿真计算，得到故障测试类型对应的故障运行方式下的仿真运行数据；The fault transient simulation calculation module is used for any fault test type, and the fault-related parameters corresponding to the fault test type are used as the input of the pre-built AC-DC primary circuit model and the equivalent model of the control system. The main loop model and the equivalent model of the control system are used for fault transient simulation calculation, and the simulation operation data under the fault operation mode corresponding to the fault test type is obtained; 仿真运行数据抽取模块，用于对仿真运行数据进行数据抽取，得到所需输出的仿真信号对应的各仿真运行数据；The simulation operation data extraction module is used to extract the simulation operation data to obtain the simulation operation data corresponding to the simulation signal to be output; 仿真运行数据处理模块，对抽取出的各仿真运行数据分别进行处理，得到交流模拟量、数字量、开关量以及控制总线仿真信号，分别输出至被测保护装置的相应测试量输入端；The simulation operation data processing module separately processes the extracted simulation operation data to obtain AC analog quantity, digital quantity, switch quantity and control bus simulation signal, which are respectively output to the corresponding test quantity input end of the tested protection device; 保护动作出口信号获取模块，用于获取被测保护装置的保护动作出口信号，并存储。The protection action exit signal acquisition module is used to acquire and store the protection action exit signal of the tested protection device. 7.一种基于权利要求1至5任一项所述特高压直流保护现场测试方法的系统，其特征是：包括网络接口、存储器和处理器，其中：7. A system based on the UHV DC protection field testing method described in any one of claims 1 to 5, characterized in that: comprising a network interface, a memory and a processor, wherein: 网络接口用于在与其它外部网元之间进行收发信息过程中，信号的接收和发送；The network interface is used to receive and send signals in the process of sending and receiving information with other external network elements; 存储器用于存储能够在所述处理器上运行的计算机程序指令；memory for storing computer program instructions executable on the processor; 处理器用于在运行所述计算机程序指令时，执行权利要求1至5任一项所述特高压直流保护现场测试方法的步骤。The processor is configured to execute the steps of the UHV DC protection field testing method according to any one of claims 1 to 5 when running the computer program instructions. 8.一种特高压直流保护现场测试系统，其特征是：包括相互连接通信的上位机与下位机：8. A UHV DC protection field test system, characterized in that: it comprises an upper computer and a lower computer that are connected and communicated with each other: 上位机包括第一数据接口、第一存储器和第一处理器；第一数据接口用于上位机与下位机或其他外部网元之间的信号传输；第一存储器用于存储能够在所述第一处理器上运行的计算机程序指令、程序执行过程数据，以及上位机从下位机或其他外部网元处获取的数据；The upper computer includes a first data interface, a first memory and a first processor; the first data interface is used for signal transmission between the upper computer and the lower computer or other external network elements; the first memory is used for storing A computer program instruction running on the processor, program execution process data, and data obtained by the upper computer from the lower computer or other external network elements; 所述第一处理器执行的计算机程序指令包括：The computer program instructions executed by the first processor include: 保护测试模型构建程序模块，用于基于预设的故障测试类型与故障相关参数之间的关联关系，根据当前设定的故障测试类型，利用相应故障相关参数，对预先构建的交直流一次主回路模型以及控制系统等效模型进行保护测试配置；The protection test model builds a program module, which is used for the pre-built AC-DC primary circuit based on the relationship between the preset fault test type and the fault-related parameters, according to the currently set fault test type and the corresponding fault-related parameters. Model and control system equivalent model for protection test configuration; 故障暂态仿真计算程序模块，用于基于已完成配置的交直流一次主回路模型以及控制系统等效模型，进行故障暂态仿真计算，得到当前设定的故障测试类型对应的故障运行方式下的仿真运行数据；The fault transient simulation calculation program module is used to perform fault transient simulation calculation based on the configured AC and DC primary circuit model and the equivalent model of the control system, and obtain the fault operation mode corresponding to the currently set fault test type. Simulation running data; 和数据抽取模块，用于基于预设的故障测试类型与所需输出的仿真信号之间的关联关系，对仿真运行数据中、与所需输出的仿真信号相应的各仿真运行数据，分别进行抽取；and data extraction module, which is used to extract the simulation operation data corresponding to the simulation signal to be output in the simulation operation data based on the relationship between the preset fault test type and the simulation signal to be output. ; 下位机包括第二数据接口、第二存储器和第二处理器；第二数据接口用于下位机与上位机或其他外部网元之间的信号传输；第二存储器用于存储能够在第二处理器上运行的计算机程序指令、程序执行过程数据，以及下位机从上位机或其他外部网元处获取的数据；The lower computer includes a second data interface, a second memory and a second processor; the second data interface is used for signal transmission between the lower computer and the upper computer or other external network elements; the second memory is used for storing data that can be processed in the second computer program instructions running on the computer, program execution process data, and data obtained by the lower computer from the upper computer or other external network elements; 所述第二数据接口包括分别与被测保护装置连接通信的模拟量输出单元、数字量输出单元、开关量输出单元、控制总线信号输出单元和保护动作信号采集单元；The second data interface includes an analog output unit, a digital output unit, a switch output unit, a control bus signal output unit and a protection action signal acquisition unit that are respectively connected and communicated with the protection device under test; 所述第二处理器执行的计算机程序指令包括：The computer program instructions executed by the second processor include: 数据处理程序模块，用于对上位机输出的各仿真运行数据进行处理，以分别得到交流模拟量、直流数字量、开关量和控制总线数据，并分别通过第二数据接口中的模拟量输出单元、数字量输出单元、开关量输出单元、控制总线信号输出单元进行信号输出；The data processing program module is used to process each simulation operation data output by the host computer to obtain AC analog quantity, DC digital quantity, switch quantity and control bus data respectively, and respectively pass the analog quantity output unit in the second data interface. , digital output unit, switch output unit, control bus signal output unit for signal output; 保护出口动作信息采集程序模块，用于通过所述保护动作信号采集单元采集被测保护装置的保护出口动作信号，并通过第一数据接口输出至上位机。The protection exit action information collection program module is used for collecting the protection exit action signal of the tested protection device through the protection action signal collection unit, and outputting it to the upper computer through the first data interface. 9.根据权利要求8所述特高压直流保护现场测试系统，其特征是：9. according to the described UHV DC protection field test system of claim 8, it is characterized in that: 所述预先构建的交直流一次主回路模型包括交流系统子模型、交流滤波器子模型、换流变压器子模型、阀组子模型、直流滤波器子模型、平波电抗器子模型、直流线路及接地极子模型和开关子模型；The pre-built AC-DC primary circuit model includes AC system sub-model, AC filter sub-model, converter transformer sub-model, valve block sub-model, DC filter sub-model, smoothing reactor sub-model, DC line and Ground pole submodel and switch submodel; 交直流一次主回路模型中的各子模型根据实际特高压直流输电工程进行模型参数配置，包括对交流系统参数、交流滤波器类型和数量、直流滤波器类型和数量、阀组投入数量和大地回线/金属回线选择进行配置；Each sub-model in the AC-DC primary circuit model is configured with model parameters according to the actual UHVDC transmission project, including the parameters of the AC system, the type and quantity of the AC filter, the type and quantity of the DC filter, the input quantity of the valve group and the ground return. Line/metal return line selection for configuration; 所述预先构建的控制系统等效模型用于模拟实际特高压直流输电工程中控制系统的控制特性。The pre-built equivalent model of the control system is used to simulate the control characteristics of the control system in an actual UHVDC power transmission project. 10.根据权利要求8所述特高压直流保护现场测试系统，其特征是：所述预设的故障测试类型与故障相关参数之间的关联关系包括，故障测试类型与被测保护装置保护功能之间的关联关系，以及各被测保护装置的保护功能与故障位置、故障类型和故障持续时间之间的关联关系；10. The UHV DC protection field test system according to claim 8, wherein the association relationship between the preset fault test type and the fault-related parameters includes the relationship between the fault test type and the protection function of the tested protection device. The relationship between the protection devices, and the relationship between the protection function of each tested protection device and the fault location, fault type and fault duration; 所述预设的故障测试类型与所需输出的仿真信号之间的关联关系，为故障测试类型与被测保护所需的各仿真信号的测点位置之间的关联关系。The relationship between the preset fault test type and the simulation signal to be output is the relationship between the fault test type and the measurement point positions of the simulation signals required for the protection under test. 11.根据权利要求8所述特高压直流保护现场测试系统，其特征是：上位机的第一处理器所执行的计算机程序指令还包括：故障录波生成程序模块，用于根据来自下位机的保护出口动作信号生成故障录波波形；所生成的故障录波波形存储至第一存储器。11. The UHV DC protection field test system according to claim 8, wherein the computer program instruction executed by the first processor of the host computer also comprises: a fault recording wave generation program module, which is used for The protection exit action signal generates a fault recording waveform; the generated fault recording waveform is stored in the first memory. 12.一种特高压直流保护现场测试系统，其特征是：包括相互连接通信的上位机与下位机：12. An on-site test system for UHV DC protection, characterized in that it comprises an upper computer and a lower computer that are connected and communicated with each other: 上位机包括模型参数配置模块、测试参数配置模块、仿真计算模块、数据抽取模块、第一数据接口模块和保护动作数据存储模块，其中：The host computer includes a model parameter configuration module, a test parameter configuration module, a simulation calculation module, a data extraction module, a first data interface module and a protection action data storage module, wherein: 仿真计算模块内构建有特高压直流输电工程的交直流一次主回路模型和直流控制系统等效模型；In the simulation calculation module, the AC-DC primary circuit model and the equivalent model of the DC control system of the UHVDC transmission project are constructed; 用户通过模型参数配置模块输入模型配置参数信息，以根据实际特高压直流输电工程对所述交直流一次主回路模型进行模型参数配置；并通过测试参数配置模块输入预设的测试功能类型及其相应的故障配置参数信息，以对所述交直流一次主回路模型和直流控制系统等效模型进行保护测试配置；The user inputs the model configuration parameter information through the model parameter configuration module, so as to configure the model parameters of the AC-DC primary circuit model according to the actual UHV DC transmission project; and through the test parameter configuration module, input the preset test function type and its corresponding The fault configuration parameter information, so as to carry out protection test configuration for the AC-DC primary main circuit model and the DC control system equivalent model; 仿真计算模块利用已配置的交直流一次主回路模型和直流控制系统等效模型，进行相应运行方式下的故障暂态仿真，得到符合实际特高压直流输电工程运行特性的仿真运行数据；The simulation calculation module uses the configured AC-DC primary circuit model and the equivalent model of the DC control system to carry out the fault transient simulation under the corresponding operation mode, and obtain the simulation operation data that conforms to the operation characteristics of the actual UHVDC transmission project; 数据抽取模块根据预设的故障测试类型与所需输出的仿真信号之间的关联关系，对仿真运行数据中、与所需输出的仿真信号相应的各仿真运行数据，分别进行抽取，进而通过第一数据接口模块输出至下位机；The data extraction module extracts each simulation operation data corresponding to the simulation signal to be output in the simulation operation data according to the relationship between the preset fault test type and the simulation signal to be output, and then passes the first step. A data interface module is output to the lower computer; 下位机包括数据处理模块和第二数据接口模块，其中：The lower computer includes a data processing module and a second data interface module, wherein: 第二数据接口模块包括分别与被测保护装置连接通信的模拟量输出单元、数字量输出单元、开关量输出单元、控制总线信号输出单元和保护动作信号采集单元；The second data interface module includes an analog output unit, a digital output unit, a switch output unit, a control bus signal output unit and a protection action signal acquisition unit that are respectively connected and communicated with the protection device under test; 数据处理模块从上位机接收仿真运行数据并处理，得到交流模拟量、直流电压电流、开关量和控制总线数据，并分别传输至第二数据接口的模拟量输出单元、数字量输出单元、开关量输出单元、控制总线信号输出单元；数据处理模块还通过保护动作信号采集单元获取被测保护装置的保护动作出口信号，经第一数据接口模块传输至上位机；The data processing module receives and processes the simulation operation data from the host computer, obtains AC analog quantity, DC voltage and current, switch quantity and control bus data, and transmits them to the analog quantity output unit, digital quantity output unit and switch quantity of the second data interface respectively. an output unit and a control bus signal output unit; the data processing module also obtains the protection action exit signal of the tested protection device through the protection action signal acquisition unit, and transmits it to the upper computer through the first data interface module; 上位机获取被测保护装置的保护动作出口信号，将其存储于保护动作数据存储模块。The upper computer obtains the protection action exit signal of the tested protection device and stores it in the protection action data storage module. 13.根据权利要求12所述特高压直流保护现场测试系统，其特征是：上位机还包括故障录波生成模块，故障录波生成模块根据上位机接收到的被测保护装置的保护动作出口信号，生成相应的故障录波波形，进而存储于保护动作数据存储模块。13. The UHV DC protection field test system according to claim 12, is characterized in that: the host computer further comprises a fault recording wave generating module, and the fault recording wave generating module is based on the protection action exit signal of the tested protection device received by the host computer , generate the corresponding fault recording waveform, and then store it in the protection action data storage module. 14.根据权利要求12所述特高压直流保护现场测试系统，其特征是：数据处理模块包括时序同步的Power PC处理器和FPGA，Power PC处理器接收已抽取的仿真运行数据，将其输出至FPGA；FPGA包括DA转换控制单元、通信交互单元和多路输出控制单元；FPGA通过通信交互单元与Power PC处理器进行通信交互，通过DA转换控制单元对仿真运行数据中的交流电压电流数据进行数模转换得到交流模拟量，通过多路输出控制单元按照Power PC处理器指定的数据类型和输出时间，将交流模拟量仿真信号以及已抽取的直流电压电流、开关量和控制总线数据，分别对应传输至第二数据接口模块的模拟量输出单元、数字量输出单元、开关量输出单元和控制总线信号输出单元。14. The UHV DC protection field test system according to claim 12 is characterized in that: the data processing module comprises the Power PC processor and the FPGA of timing synchronization, and the Power PC processor receives the extracted simulation operation data, and outputs it to the FPGA. FPGA; FPGA includes a DA conversion control unit, a communication interaction unit and a multiple output control unit; the FPGA communicates and interacts with the Power PC processor through the communication interaction unit, and digitizes the AC voltage and current data in the simulation operation data through the DA conversion control unit. The AC analog quantity is obtained by analog conversion, and the AC analog quantity simulation signal and the extracted DC voltage and current, switch quantity and control bus data are respectively correspondingly transmitted through the multi-output control unit according to the data type and output time specified by the Power PC processor. To the analog output unit, digital output unit, switch output unit and control bus signal output unit of the second data interface module. 15.根据权利要求12所述特高压直流保护现场测试系统，其特征是：第二数据接口模块中：15. The UHV DC protection field test system according to claim 12, wherein: in the second data interface module: 模拟量输出单元包括功率放大电路，功率放大电路接收FPGA输出的交流电压电流进行功率放大后，作为交流模拟量通过硬件接口输出；The analog output unit includes a power amplifying circuit, and the power amplifying circuit receives the AC voltage and current output by the FPGA and amplifies the power, and outputs it as an AC analog quantity through a hardware interface; 数字量输出单元包括光纤发送电路，光纤发送电路对FPGA输出的直流电压电流进行处理，进而作为数字量信号通过硬件接口输出；The digital output unit includes an optical fiber transmission circuit, and the optical fiber transmission circuit processes the DC voltage and current output by the FPGA, and then outputs it as a digital signal through a hardware interface; 开关量输出单元包括隔离电路，FPGA输出的开关量经隔离电路后，作为开关量信号通过硬件接口输出；The switch quantity output unit includes an isolation circuit, and the switch quantity output by the FPGA is output through the hardware interface as a switch quantity signal after passing through the isolation circuit; 控制总线信号输出单元包括协议转换模块，协议转换模块接收FPGA输出的控制总线数据，并对其进行与被测保护装置相适应的协议转换，将协议转换后的控制总线信号通过相应的硬件接口输出。The control bus signal output unit includes a protocol conversion module. The protocol conversion module receives the control bus data output by the FPGA, performs protocol conversion suitable for the protection device under test, and outputs the control bus signal after the protocol conversion through the corresponding hardware interface. .
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CN113848410A (en) * 2021-09-30 2021-12-28 广东电网有限责任公司 Detection method and device of control and protection device
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Application publication date: 20190104