CN105808831A - Relay protection action logic simulation realization method - Google Patents
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Abstract
The invention discloses a relay protection action logic simulation realization method. The method comprises the steps of preparing a logic graph model description configuration file and an intermediate node file; drawing an initial state logic graph and configuring related graphic element attributes; loading and analyzing the logic graph model description configuration file and the intermediate node file; loading and displaying the logic graph; and performing simulated demonstration on the logic graph. The method inherits object-oriented and modular design concepts, and has the advantages of high cohesion, low coupling, high maintainability and portability, and the like. Relay protection action logic simulation system software is developed based on the method described by the invention; and the simulation system software can simulate a protection action operation state of any fault type and fault point, and has the advantages of accuracy, intuitiveness, flexibility in use, high efficiency and the like.
Description
Technical field
The present invention relates to intelligent substation technical field of automation, be specifically related to a kind of relay protection action logic Simulation Methods.
Background technology
Protective relaying device, as the important component part of power system, can quickly excise faulty equipment, to ensure the safe operation of power system when power system is broken down.If protective relaying device protection act starts incorrect its, and system can cause serious harm.
At present; traditional power system fault analysis method is to print action report of protection device and action record ripple; check that record ripple is analyzed by fault oscillograph; not only analytical work is loaded down with trivial details; and can only see the operating state that protection device is final, it is impossible to its inner workings and potential problems are analyzed.
Summary of the invention
For the problems referred to above, the present invention provides one to be easy to trouble shooting personnel by visual analyzing rapidly and efficiently to position failure cause to repair fault, it is ensured that the relay protection action logic Simulation Methods of safe operation of power system.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows: a kind of relay protection action logic Simulation Methods, it is characterised in that comprise the steps:
Step one, ready logic graph model describe configuration file and intermediate node file
According to protective relaying device description logic chart, manual creation logic chart model describes configuration file；
When power system is broken down; protective relaying device protection starts excision fault element; protective relaying device is internal simultaneously produces intermediate node information and automatically saves into intermediate node file, downloads intermediate node file to local disk by third party or FTP instrument；
Intermediate node file therein is COMTRADE99 form and supports DL/T860 file service transmission means.Intermediate node file results from after power system breaks down, and protective relaying device protection act automatically generates the file for recording current information after starting, therefore only protection act just acquisition intermediate node file after starting.This emulation carries out after real protection device starts, and for the fault that power system occurs, quickly positions failure cause with visual analyzing by emulating, for repairing fault in time.
Step 2, drafting original state logic chart, the relevant primitive attribute of configuration
Logic chart drafting module in relay protection action logic analogue system is adopted to carry out logic chart drafting, it is ensured that the logic chart of drafting is consistent with the logic chart in protective relaying device description；Starting relay protection action logic analogue system, the logic chart model automatically loading and creating in analyzing step one describes configuration file, is manually each pel configuration respective attributes information in logic chart；The logic chart completed is saved in the disk directory specified；
Wherein, the attribute information of connecting line pel is identical with the primitive information immediately following this connecting line head-end.Possess qualified logic chart model and describe configuration file, intermediate node file and logic chart and intermediate node file format compliant, be the premise of relay protection action logic the Realization of Simulation.
Step 3, loading and parsing logic chart model describe configuration file and intermediate node file
Relay protection action logic analogue system automatically loads and resolves logic chart model when starting and describes configuration file, is operated by button and loads and resolve intermediate node file.
Step 4, loading and displaying logic chart
Relay protection action logic analogue system is the change of the protection act value of information described in intermediate node file; conjugate situation by part defencive function element to carry out judging to identify; determine the logic chart of association; then load the interrelated logic figure preserved in local disk, be showed in the main interface of analogue system；
The logic chart of association refers to which secondary logic chart determines according to protection element displacement situation is.Interrelated logic figure refers in step 2 according to one or more logic chart drawn in protective relaying device description and preserve to all logic charts under designated disk catalogue.
Such as; if the female differential action protection element of A phase I conjugates; the female differential action protection element generation displacement situation of system A phase I described in intermediate node message file; then determine it is mother's I differential protection logic chart; then the mother's I differential protection logic chart under designated disk described in system loads step one, is showed in the main interface of analogue system.
Step 5, logic chart simulation demo
Intermediate node file is with the time for clue; the action logic of each defencive function element of multiple moment and sequencing and corresponding analog quantity information are described; relay protection action logic analogue system is then based on intermediate node fileinfo; with visual logic figure and analog quantity for showing object; each pel running in emulation logic figure, thus analyzing the protection act running of protective relaying device.For a certain relative clock i, the simulation run process of logic chart is as follows:
(1) data file is mutual, obtains latest data, and first, load logic graph model describes configuration file to the primitive attribute information in flush logic figure and intermediate node file forms data 1 and data 2 respectively；Secondly, the more protection act primitive information in new data 1, analog quantity primitive information and gate graphical diagram metamessage；Finally, the data 1 after renewal become the latest data of current relative clock i, based on this, refresh each primitive attribute information；
Wherein, relay protection action logic analogue system automatically loads and resolves logic chart model and describes configuration file when starting, form data 1, comprise switching value information, logical operations information and analog quantity information；Relay protection action logic analogue system is operated by button and reads the intermediate node file on local disk, forms data 2, only comprises switching value information and analog quantity information；Switching value information that relative clock i in data 2 comprises and the analog quantity information more corresponding protection act primitive information of new data 1 and analog quantity primitive information；According to up-to-date protection act primitive information and logical operations rule, pass sequentially through logical operations and update gate graphical diagram metamessage.
Relay protection action logic analogue system, based on latest data 1, obtains current information in data 1 according to pel numbering, refreshes primitive attribute information.
(2) last state of logic chart is shown
According to the state value in current up-to-date primitive attribute information, the color display state of pel in flush logic figure, refreshes complete successively, then the last state that logic chart is shown is the action situation of current relative clock i protection act and up-to-date associated analog value.
Relay protection action logic simulation system software is operated by button and performs, and repeats action logic information and the analog quantity information of each defencive function element that other markers describe in step (1), (2) emulation intermediate node file.
The following is the explanation of some specific terms used in literary composition:
Protective relaying device: when the force device (such as electromotor, circuit etc.) in power system or power system itself there occurs that fault jeopardizes safe operation of power system; can send warning signal in time to operator, or directly send trip signal to terminate the measure of a kind of automatization and the equipment of the development of these events to the chopper controlled.Realize the complete set of equipments of this automatization measure, be generally commonly referred to as protective relaying device.
Logic chart model describes configuration file: based on the logic chart analyzed in protective relaying device description; the model informations such as input, output and the logical operations relation that logic chart is comprised by employing XML language are described, and the self-defining configuration file of manual creation and logic chart model describe configuration file.
Intermediate node information: the internal information produced of protective relaying device after protection startup, comprises the calculating simulation amount of defencive function key logic point, quantity of state, protection element.
Intermediate node file: after protection starts, protective relaying device inside produces following COMTRADE99 form and supporting the intermediate node file of DL/T860 file service transmission means of intermediate node information formation.
Analog quantity: intermediate node file provides the crucial amount of calculation of each protection element as action foundation, as the secondary outcome of mediation logic node.Wherein crucial amount of calculation information refers to the information such as three-phase voltage, difference current or stalling current.
Relay protection action logic analogue system: based on a set of software of the implementation exploitation that the present invention proposes; this analogue system can emulate action logic and the sequencing of each defencive function element in electric power system fault process preferably, plays back the change of the analog value in moment before and after fault and fault simultaneously.
Beneficial effect:
(1) the relay protection action logic Simulation Methods that the present invention proposes has acted on object-oriented and modular design concept; ensure the integrity of data, real-time and concordance; improve relay protection action logic treatment effeciency, there is the advantages such as high cohesion, lower coupling, maintainability and transplantability are strong.
(2) the relay protection action logic Simulation Methods proposed based on the present invention; develop a set of relay protection action logic simulation system software; this simulation system software can be applicable to the protective relaying device of disposable type; the analog quantity information that protection act logic is relevant can not only be shown; with assistant analysis failure cause; and the protection act running status of Arbitrary Fault type and trouble point can be simulated, have accurate and visual, use flexibly and efficiency advantages of higher.Using relay protection action logic simulation system software, it is possible to repeatedly working in a large number when effectively reducing or avoid physical fault inspection to position, can be applicable to Practical Project, the work efficiency for improving trouble shooting personnel has important practical significance.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention；
Fig. 2 is data flow diagram of the present invention；
Fig. 3 is data interaction sequence chart；
1. Fig. 2 is data 1, is 2. data 2.
Detailed description of the invention
For explanation technical scheme can be known, below by a detailed description of the invention, and in conjunction with its accompanying drawing, the present invention is illustrated.
As it is shown in figure 1, a kind of relay protection action logic Simulation Methods, comprise the following steps:
Step one, ready logic graph model describe configuration file and intermediate node file
According to protective relaying device description logic chart, manual creation logic chart model describes configuration file；When power system is broken down; protective relaying device protection starts excision fault element; protective relaying device is internal simultaneously produces intermediate node information and automatically saves into intermediate node file, downloads intermediate node file to local disk by third party or FTP instrument；
Step 2, drafting original state logic chart, the relevant primitive attribute of configuration
Logic chart drafting module in relay protection action logic analogue system is adopted to carry out logic chart drafting, it is ensured that the logic chart of drafting is consistent with the logic chart in protective relaying device description；Starting relay protection action logic analogue system, the logic chart model automatically loading and creating in analyzing step one describes configuration file, is manually each pel configuration respective attributes information in logic chart；The logic chart completed is saved in the disk directory specified；
Step 3, loading and parsing logic chart model describe configuration file and intermediate node file
Step 4, loading and displaying logic chart
Relay protection action logic analogue system is the change of the protection act value of information described in intermediate node file; conjugate situation by part defencive function element to carry out judging to identify; determine the logic chart of association; then load the interrelated logic figure preserved in local disk, be showed in the main interface of analogue system；
Step 5, logic chart simulation demo
Intermediate node file is with the time for clue; the action logic of each defencive function element of multiple moment and sequencing and corresponding analog quantity information are described; relay protection action logic analogue system is then based on intermediate node fileinfo; with visual logic figure and analog quantity for showing object; each pel running in emulation logic figure, thus analyzing the protection act running of protective relaying device.
Under a certain relative clock i, the simulation run process of logic chart is as follows:
(1) data file is mutual, obtains latest data, and the primitive attribute information in flush logic figure is as it is shown on figure 3, set forth data file interaction:
First, load logic graph model describes configuration file and intermediate node file forms data 1 and data 2 respectively；Secondly, the more protection act primitive information in new data 1, analog quantity primitive information and gate graphical diagram metamessage；Finally, the data 1 after renewal become the latest data of current relative clock i, based on this, refresh each primitive attribute information；
(2) last state of logic chart is shown
According to the state value in current up-to-date primitive attribute information, the color display state of pel in flush logic figure, refreshes complete successively, then the last state that logic chart is shown is the action situation of current relative clock i protection act and up-to-date associated analog value.
Protection act logical simulation systems soft ware is operated by button and performs, and repeats step (1) (2), emulates action logic information and the analog quantity information of each defencive function element that other moment describe in intermediate node file.
Claims (2)
1. a relay protection action logic Simulation Methods, it is characterised in that comprise the steps:
Step one, ready logic graph model describe configuration file and intermediate node file
According to protective relaying device description logic chart, manual creation logic chart model describes configuration file；When power system is broken down; protective relaying device protection starts excision fault element; protective relaying device is internal simultaneously produces intermediate node information and automatically saves into intermediate node file, downloads intermediate node file to local disk by third party or FTP instrument；
Step 2, drafting original state logic chart, the relevant primitive attribute of configuration
Logic chart drafting module in relay protection action logic analogue system is adopted to carry out logic chart drafting, it is ensured that the logic chart of drafting is consistent with the logic chart in protective relaying device description；Starting relay protection action logic analogue system, the logic chart model automatically loading and creating in analyzing step one describes configuration file, is manually each pel configuration respective attributes information in logic chart；The logic chart completed is saved in the disk directory specified；
Step 3, loading and parsing logic chart model describe configuration file and intermediate node file
Step 4, loading and displaying logic chart
Relay protection action logic analogue system is the change of the protection act value of information described in intermediate node file; conjugate situation by part defencive function element to carry out judging to identify; determine the logic chart of association; then load the interrelated logic figure preserved in local disk, be showed in the main interface of analogue system；
Step 5, logic chart simulation demo
Intermediate node file is with the time for clue; the action logic of each defencive function element of multiple moment and sequencing and corresponding analog quantity information are described; relay protection action logic analogue system is then based on intermediate node fileinfo; with visual logic figure and analog quantity for showing object; each pel running in emulation logic figure, thus analyzing the protection act running of protective relaying device.
2. relay protection action logic Simulation Methods according to claim 1, it is characterised in that under a certain relative clock i, the simulation run process of logic chart is as follows:
(1) data file is mutual, obtains latest data, the primitive attribute information in flush logic figure
First, load logic graph model describes configuration file and intermediate node file forms data 1 and data 2 respectively；Secondly, the more protection act primitive information in new data 1, analog quantity primitive information and gate graphical diagram metamessage；Finally, the data 1 after renewal become the latest data of current relative clock i, based on this, refresh each primitive attribute information；
(2) last state of logic chart is shown
According to the state value in current up-to-date primitive attribute information, the color display state of pel in flush logic figure, refreshes complete successively, then the last state that logic chart is shown is the action situation of current relative clock i protection act and up-to-date associated analog value.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107832523A (en) * | 2017-11-06 | 2018-03-23 | 成都交大许继电气有限责任公司 | A kind of graphical liquid crystal display development approach of electric railway |
| CN108347345A (en) * | 2017-12-25 | 2018-07-31 | 南京丰道电力科技有限公司 | A kind of configurable control method for Energy Management System |
| CN108923957A (en) * | 2018-06-14 | 2018-11-30 | 深圳深宝电器仪表有限公司 | A kind of method, apparatus and terminal device of distribution network terminal DTU troubleshooting |
| CN110376921A (en) * | 2019-07-01 | 2019-10-25 | 国网江苏省电力有限公司电力科学研究院 | A kind of anti-accident deduction method, apparatus and system |
| CN111025042A (en) * | 2019-11-11 | 2020-04-17 | 贵州电网有限责任公司 | Logic simulation and verification system of relay protection device |
| CN114647459A (en) * | 2022-03-31 | 2022-06-21 | 国网河北省电力有限公司培训中心 | Protection principle graph model multiplexing simulation method and system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107832523A (en) * | 2017-11-06 | 2018-03-23 | 成都交大许继电气有限责任公司 | A kind of graphical liquid crystal display development approach of electric railway |
| CN108347345A (en) * | 2017-12-25 | 2018-07-31 | 南京丰道电力科技有限公司 | A kind of configurable control method for Energy Management System |
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| CN108923957A (en) * | 2018-06-14 | 2018-11-30 | 深圳深宝电器仪表有限公司 | A kind of method, apparatus and terminal device of distribution network terminal DTU troubleshooting |
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| CN110376921A (en) * | 2019-07-01 | 2019-10-25 | 国网江苏省电力有限公司电力科学研究院 | A kind of anti-accident deduction method, apparatus and system |
| CN111025042A (en) * | 2019-11-11 | 2020-04-17 | 贵州电网有限责任公司 | Logic simulation and verification system of relay protection device |
| CN114647459A (en) * | 2022-03-31 | 2022-06-21 | 国网河北省电力有限公司培训中心 | Protection principle graph model multiplexing simulation method and system |
| CN114647459B (en) * | 2022-03-31 | 2024-04-26 | 国网河北省电力有限公司培训中心 | Protection schematic diagram model multiplexing simulation method and system |
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