CN102788921A - Detection method of function and performance of power distribution automation terminal device - Google Patents

Detection method of function and performance of power distribution automation terminal device Download PDF

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CN102788921A
CN102788921A CN201210312324XA CN201210312324A CN102788921A CN 102788921 A CN102788921 A CN 102788921A CN 201210312324X A CN201210312324X A CN 201210312324XA CN 201210312324 A CN201210312324 A CN 201210312324A CN 102788921 A CN102788921 A CN 102788921A
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test
branch
remote control
terminal
cos
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CN201210312324XA
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CN102788921B (en
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李克文
高立克
谢雄威
吴丽芳
莫凤芝
俞小勇
吴智丁
祝文姬
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广西电网公司电力科学研究院
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Abstract

The invention discloses a detection method of the function and the performance of a power distribution automation terminal device. The detection method includes a function test portion and a performance test portion. The function test portion comprises a remote control function test, a remote signaling collection function test, a data grade test and a power supply low voltage protection alarming function test. The performance test portion comprises a remote measuring accuracy test and an SOE anti-shaking test. By means of the detection method, tests of various function and performance parameters of a power distribution terminal can be finished comprehensively and quickly in development of access network detection work to ensure that the power distribution terminal runs safely, reliably and stably.

Description

Distribution power automation terminal apparatus function and performance detection method
Technical field
The invention belongs to power distribution automated system field, relate in particular to a kind of distribution power automation terminal apparatus function and performance detection method.
Background technology
The distribution power automation terminal device security, stable, insert the power distribution automation main station system reliably, could satisfy the needs of security of system stable operation.So, all kinds of distribution power automation terminal equipment are carried out function and Performance Detection, just become each Utilities Electric Co.'s problem demanding prompt solution and important basic specialized management work.
Distribution terminal device category in the market is various, dragons and fishes jumbled together, and the product function performance is uneven.And distribution network terminal is installed in the open air more; Work under bad environment; Very easily break down; In order to ensure the reliable and secure stable operation of distribution network terminal, must accomplish mensuration as requested to the various functional performance parameters of distribution network terminal, should require to carry out the networking testing according to power distribution network actual conditions and correlation technique.
Summary of the invention
The technical matters that the present invention will solve provides a kind of complete, distribution power automation terminal apparatus function and performance detection method efficiently, with guarantee distribution network terminal safety, reliably, operation stably.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: distribution power automation terminal apparatus function and performance detection method, comprise function test part and performance test part, and wherein function test partly comprises following four:
< 1>distant control function test
Server issues telecommand, and after distribution terminal was carried out telecommand, mimic-disconnecting switch carried out simulated operation, and branch/combined floodgate result produces state displacement information COS (Change Of State) through being installed in the direct server of communicator on the mimic-disconnecting switch; On the other hand, the state displacement information COS that branch/combined floodgate produces is through delivering to server on the equipment under test, and relatively two results judge whether the distant control function at terminal is correct; Simultaneously, when carrying out telecommand mistake simulation test,, judge that then the remote control at terminal possesses relevant fault tolerance, otherwise do not possess relevant fault tolerance if mimic-disconnecting switch is failure to actuate;
< 2>remote signalling acquisition function test
Server issues branch/reclosing command and gives mimic-disconnecting switch, and mimic-disconnecting switch is carried out branch/closing operation, and branch/combined floodgate result produces state displacement information COS through being installed in the direct server of communicator on the mimic-disconnecting switch; On the other hand, the state displacement information COS that branch/combined floodgate produces is through delivering to server on the tested distribution terminal, and relatively two results just judge whether the remote signalling collection at terminal is correct;
< 3>data type test (COS always interrupts/organize calling)
Generally speaking; " COS is last to be sent " is higher than the data rank of " responding total/group calling "; The rank process just of testing these two kinds of data is following: server (distribution simulation main website) issues regularly total/group calling and instructs, and after distribution terminal is received instruction, returns the moment T that receives acknowledgement frame 1Order the moment T that send on the end abort frame to calling 2Between, the distribution main website issues branch/reclosing command and gives mimic-disconnecting switch, and mimic-disconnecting switch is carried out branch/closing operation, produces state displacement information COS, and state displacement information is through sending on the equipment under test, and the moment T of state displacement information receives in main website 3, compare T 2With T 3Size, judge the data rank of " response total/group calling " and " COS is last to be sent "; If T 2<T 3, the data rank of total/group calling that then data of COS are superior to response, test is passed through; If T 2>T 3, the data rank of total/group calling that then the data rank of COS is lower than response, test can't pass;
< 4>power supply under-voltage protection warning function test
In the DC power-supply system of distribution terminal, be connected in series one 200 Ω slide rheostat, resistance is transferred to zero; During test; Slowly increase the resistance of slide rheostat, the voltage of distribution terminal will reduce like this, when the voltage of distribution terminal is lower than the under-voltage protection value; Distribution terminal will send low-voltage and report to the police, COS, SOE will upload onto the server (simulation distribution main website); If COS information and SOE information server send on can be successfully, then test is passed through, otherwise test can't pass;
Performance test partly comprises following two:
< 1>remote measurement accuracy testing
Adjustment criteria source output valve makes its output direct current or exchanges appearance X 1, output is connected on the Input terminal block of distribution terminal, through total calling instruction, obtains the sampled value X of distribution terminal 2, remote measurement sampling precision error amount=| X 1-X 2|/X 1* 100%;
< 2>SOE prevents trembling test
The adjustment criteria source makes short-time pulse that amplitude is 5V of its output, and duration T is arranged on 10ns-100ns, and the value that T is set is identical with anti-value of trembling of distribution terminal, free time T 0Be 500ns, continue times N 1Inferior; Check the SOE times N of sending on the distribution terminal 2If, test N 1=N 2, then test is passed through, if N 1≠ N 2, then test can't pass.
Comprise " normal remote control instruction test " and " telecommand mistake simulation test " in the distant control function test, wherein normal remote control instruction test comprises that " closing " " closed "+carried out in remote control, " closing ", remote control " branch "+execution " branch ", remote control " branch "+cancel " branch " " are closed "+cancelled in remote control; Telecommand mistake simulation test comprises that remote control " closes "+carry out " branch ", remote control " branch "+execution " closing ", remote control and " close "+cancel " branch ", remote control " branch "+cancel " closing ", remote control and " close "+cancel " branch "+carry out " closing ", remote control " branch "+cancel " closing "+cancel " branch ", remote control erroneous point position.
According to power distribution network actual conditions and correlation technique requirement; The inventor has set up a cover complete, distribution power automation terminal apparatus function and performance detection method efficiently; It comprises function test part and performance test part; Wherein function test partly comprises four of distant control function test, the test of remote signalling acquisition function, data type test and the tests of power supply under-voltage protection warning function, and performance test comprises that partly anti-the trembling of remote measurement accuracy testing and SOE test two.Use the present invention and carry out the networking testing, can accomplish mensuration comprehensively, apace the various functional performance parameters of distribution network terminal, with guarantee distribution network terminal safety, reliably, operation stably.
Description of drawings
Fig. 1 is the formation synoptic diagram that adopts the detection platform of network channel embodiment of the present invention detection method.
Fig. 2 is the formation synoptic diagram that adopts the detection platform of serial ports passage embodiment of the present invention detection method.
Fig. 3 is the formation synoptic diagram that adopts the detection platform of radio communication embodiment of the present invention detection method.
Fig. 4 is the normal function test process figure of distant control function test in the detection method of the present invention.
Fig. 5 is the fault tolerance test process figure of distant control function test in the detection method of the present invention.
Fig. 6 is the test process figure of remote signalling acquisition function test in the detection method of the present invention.
Fig. 7 is the test process figure (COS always interrupts/organize calling) of data type test in the detection method of the present invention.
Fig. 8 is test distribution terminal (in the measurand, dotted line) built-in system connection layout when power supply under-voltage protection warning function is tested in the detection method of the present invention.
Fig. 9 is the wiring diagram of distribution terminal (in the measurand, dotted line) and standard source during the remote measurement accuracy testing in the detection method of the present invention.
Figure 10 is pulse waveform synoptic diagram when SOE prevents trembling test in the detection method of the present invention.
Embodiment
Test macro connected to form when Fig. 1 to Fig. 3 had shown employing network channel, serial ports passage and three kinds of mode embodiment of the present invention of radio communication detection method respectively.This test macro comprises: mimic-disconnecting switch, server, the network switch, serial communication server, tested distribution terminal, standard source.During test, each equipment performance different effects:
Server: can simulate the distribution main website, be used for control standard source, mimic-disconnecting switch and distribution terminal, accomplish that instruction issues, data acquisition, information stores, data processing and analysis, the check of communication protocol agreement and analyze, report work such as generation automatically.
The serial communication server: the RS-232 terminal is used for distribution terminal and carries out two-way transparent transmission through the data of RS-232 serial ports and TCP/IP network to the communication interface protocol conversion device of accomplishing data-switching between the TCP/IP.
The network switch: network access mode is provided for communicating by letter between distribution terminal and standard source and the server.
High precision measure and control device tester:, be used to simulate various high precision remote measurements (comprising electric current, voltage) value and supply with tested distribution terminal as standard source; Also high-precision power can be provided, be used to test the performances such as power consumption of distribution terminal; High precision measure and control device tester is the kernal hardware equipment of detection method, possesses the ability with the server direct communication, can carry out the instruction of main website.
Isolating switch analogue means: be used to simulate the action behavior of three-phase and phase-splitting operation, single-hop brake cable circle or double jump brake cable circle isolating switch, the replacement equipment of actual isolating switch during as the whole group system transmission test of relay protection and aut.eq. belt switch; This device can directly be carried out the branch/reclosing command from director server or distribution terminal, and after branch/combined floodgate was finished, feedback can be passed to server and distribution terminal simultaneously.
Slide resistor: be used to regulate the resistance of circuit, play the dividing potential drop effect.
Distribution power automation terminal apparatus function of the present invention and performance detection method comprise function test part and performance test part, and wherein function test partly comprises following four:
< 1>distant control function test (seeing Fig. 4 and Fig. 5)
Server issues telecommand, and after distribution terminal was carried out telecommand, mimic-disconnecting switch carried out simulated operation, and branch/combined floodgate result produces state displacement information COS (Change Of State) through being installed in the direct server of communicator on the mimic-disconnecting switch; On the other hand, the state displacement information COS that branch/combined floodgate produces is through delivering to server on the equipment under test, and relatively two results judge whether the distant control function at terminal is correct; Simultaneously, when carrying out telecommand mistake simulation test,, judge that then the remote control at terminal possesses relevant fault tolerance, otherwise do not possess relevant fault tolerance if mimic-disconnecting switch is failure to actuate.Comprise " normal remote control instruction test " and " telecommand mistake simulation test " in the distant control function test, wherein normal remote control instruction test comprises that " closing " " closed "+carried out in remote control, " closing ", remote control " branch "+execution " branch ", remote control " branch "+cancel " branch " " are closed "+cancelled in remote control; Telecommand mistake simulation test comprises that remote control " closes "+carry out " branch ", remote control " branch "+execution " closing ", remote control and " close "+cancel " branch ", remote control " branch "+cancel " closing ", remote control and " close "+cancel " branch "+carry out " closing ", remote control " branch "+cancel " closing "+cancel " branch ", remote control erroneous point position.
< 2>remote signalling acquisition function test (see figure 6)
To the incident of remote signalling displacement, distribution terminal needs to transmit information twice to the distribution main website, passes target state displacement information COS when not being with for the first time earlier, after a while target information SOE (Sequence Of Event) during transport tape.After incident produced, the terminal needed the very first time with sending on the COS; Send in the accident initiatively.Server issues branch/reclosing command and gives mimic-disconnecting switch, and mimic-disconnecting switch is carried out branch/closing operation, and branch/combined floodgate result produces state displacement information COS through being installed in the direct server of communicator on the mimic-disconnecting switch; On the other hand, the state displacement information COS that branch/combined floodgate produces is through delivering to server on the tested distribution terminal, and relatively two results just judge whether the remote signalling collection at terminal is correct.
< 3>data type test (see figure 7)
The data rank of transmitting between distribution main website and the terminal has the branch of height, and the data rank is necessary to test.Generally speaking; Send on preferential in order to guarantee variable condition amount (COS); Total/group calling that the data of COS are superior to regularly, always interrupting/organize calling with COS below is example, the test of brief description data rank: server (distribution simulation main website) issues regularly total/group calling instruction; After distribution terminal is received instruction, return the moment T that receives acknowledgement frame 1Order the moment T that send on the end abort frame to calling 2Between, the distribution main website issues branch/reclosing command and gives mimic-disconnecting switch, and mimic-disconnecting switch is carried out branch/closing operation, produces state displacement information COS, and state displacement information is through sending on the equipment under test, and the moment T of state displacement information receives in main website 3, compare T 2With T 3Size, judge the data rank of " response total/group calling " and " COS is last to be sent "; If T 2<T 3, the data rank of total/group calling that then data of COS are superior to response, test is passed through; If T 2>T 3, the data rank of total/group calling that then the data rank of COS is lower than response, test can't pass.
< 4>power supply under-voltage protection warning function test
The distribution terminal built-in system connected when Fig. 8 had shown test, and distribution terminal and other equipment connection modes are then constant.
In the DC power-supply system of distribution terminal, be connected in series one 200 Ω slide rheostat, resistance is transferred to zero; During test; Slowly increase the resistance of slide rheostat, the voltage of distribution terminal will reduce like this, when the voltage of distribution terminal is lower than the under-voltage protection value; Distribution terminal will send low-voltage and report to the police, COS, SOE will upload onto the server (simulation distribution main website); If COS information and SOE information server send on can be successfully, then test is passed through, otherwise test can't pass.
Performance test partly comprises following two:
< 1>remote measurement accuracy testing (see figure 9)
The wiring of distribution terminal and standard source when Fig. 9 has shown test, adjustment criteria source output valve makes its output direct current or exchanges appearance X 1, output is connected on the Input terminal block of distribution terminal, through total calling instruction, obtains the sampled value X of distribution terminal 2, remote measurement sampling precision error amount=| X 1-X 2|/X 1* 100%.
< 2>SOE prevents trembling test
The adjustment criteria source makes short-time pulse that amplitude is 5V of its output, and duration T is arranged on 10ns-100ns, waveform such as Figure 10; The value that T is set is identical with anti-value of trembling of distribution terminal, free time T 0Be 500ns, continue times N 1Inferior; Check the SOE times N of sending on the distribution terminal 2If, test N 1=N 2, then test is passed through, if N 1≠ N 2, then test can't pass.

Claims (2)

1. distribution power automation terminal apparatus function and performance detection method is characterized in that comprising function test part and performance test part,
Said function test partly comprises following four:
< 1>distant control function test
Server issues telecommand, and after distribution terminal was carried out telecommand, mimic-disconnecting switch carried out simulated operation, and branch/combined floodgate result produces state displacement information COS through being installed in the direct server of communicator on the mimic-disconnecting switch; On the other hand, the state displacement information COS that branch/combined floodgate produces is through delivering to server on the equipment under test, and relatively two results judge whether the distant control function at terminal is correct; Simultaneously, when carrying out telecommand mistake simulation test,, judge that then the remote control at terminal possesses relevant fault tolerance, otherwise do not possess relevant fault tolerance if mimic-disconnecting switch is failure to actuate;
< 2>remote signalling acquisition function test
Server issues branch/reclosing command and gives mimic-disconnecting switch, and mimic-disconnecting switch is carried out branch/closing operation, and branch/combined floodgate result produces state displacement information COS through being installed in the direct server of communicator on the mimic-disconnecting switch; On the other hand, the state displacement information COS that branch/combined floodgate produces is through delivering to server on the tested distribution terminal, and relatively two results just judge whether the remote signalling collection at terminal is correct;
< 3>data type test
Generally speaking; " COS is last to be sent " is higher than the data rank of " responding total/group calling "; The rank process just of testing these two kinds of data is following: server issues regularly total/group calling and instructs, and after distribution terminal is received instruction, returns the moment T that receives acknowledgement frame 1Order the moment T that send on the end abort frame to calling 2Between, the distribution main website issues branch/reclosing command and gives mimic-disconnecting switch, and mimic-disconnecting switch is carried out branch/closing operation, produces state displacement information COS, and state displacement information is through sending on the equipment under test, and the moment T of state displacement information receives in main website 3, compare T 2With T 3Size, judge the data rank of " response total/group calling " and " COS is last to be sent "; If T 2<T 3, the data rank of total/group calling that then data of COS are superior to response, test is passed through; If T 2>T 3, the data rank of total/group calling that then the data rank of COS is lower than response, test can't pass;
< 4>power supply under-voltage protection warning function test
In the DC power-supply system of distribution terminal, be connected in series one 200 Ω slide rheostat, resistance is transferred to zero; During test, slowly increase the resistance of slide rheostat, the voltage of distribution terminal will reduce like this, and when the voltage of distribution terminal was lower than the under-voltage protection value, distribution terminal will send low-voltage and report to the police, and COS, SOE will upload onto the server; If COS information and SOE information server send on can be successfully, then test is passed through, otherwise test can't pass;
Said performance test partly comprises following two:
< 1>remote measurement accuracy testing
Adjustment criteria source output valve makes its output direct current or exchanges appearance X 1, output is connected on the Input terminal block of distribution terminal, through total calling instruction, obtains the sampled value X of distribution terminal 2, remote measurement sampling precision error amount=| X 1-X 2|/X 1* 100%;
< 2>SOE prevents trembling test
The adjustment criteria source makes short-time pulse that amplitude is 5V of its output, and duration T is arranged on 10ns-100ns, and the value that T is set is identical with anti-value of trembling of distribution terminal, free time T 0Be 500ns, continue times N 1Inferior; Check the SOE times N of sending on the distribution terminal 2If, test N 1=N 2, then test is passed through, if N 1≠ N 2, then test can't pass.
2. distribution power automation terminal apparatus function according to claim 1 and performance detection method; It is characterized in that: comprise " normal remote control instruction test " and " telecommand mistake simulation test " in the said distant control function test, wherein normal remote control instruction test comprises that " closing " " closed "+carried out in remote control, " closing ", remote control " branch "+execution " branch ", remote control " branch "+cancel " branch " " are closed "+cancelled in remote control; Telecommand mistake simulation test comprises that remote control " closes "+carry out " branch ", remote control " branch "+execution " closing ", remote control and " close "+cancel " branch ", remote control " branch "+cancel " closing ", remote control and " close "+cancel " branch "+carry out " closing ", remote control " branch "+cancel " closing "+cancel " branch ", remote control erroneous point position.
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CN104280640A (en) * 2014-10-20 2015-01-14 国家电网公司 Product test acceptance check platform based on power distribution network management system and working method of product test acceptance check platform based on power distribution network management system
CN104464253A (en) * 2014-11-20 2015-03-25 国家电网公司 Intelligent diagnosis method for field electricity information acquisition equipment
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