CN102788921B - 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 PDFInfo
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- CN102788921B CN102788921B CN201210312324.XA CN201210312324A CN102788921B CN 102788921 B CN102788921 B CN 102788921B CN 201210312324 A CN201210312324 A CN 201210312324A CN 102788921 B CN102788921 B CN 102788921B
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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
Technical field
The invention belongs to electrical power distribution automation system field, particularly relate to the detection method of a kind of distribution power automation terminal apparatus function and performance.
Background technology
Distribution power automation terminal device security, stable, reliably access power distribution automation main station system, the needs of security of system stable operation could be met.So, function and Performance Detection are carried out to all kinds of distribution power automation terminal equipment, just become each Utilities Electric Co. problem demanding prompt solution and important basic specialized management work.
Distribution terminal device category is in the market various, dragons and fishes jumbled together, and product function performance is uneven.And distribution network terminal is arranged on 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, the mensuration of the various functional performance parameters to distribution network terminal must be completed as requested, networking testing should be carried out according to power distribution network actual conditions and associated specifications.
Summary of the invention
The technical problem to be solved in the present invention is to provide the detection method of a kind of complete, efficient distribution power automation terminal apparatus function and performance, to guarantee distribution network terminal safety, reliably, stably to run.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the detection method of distribution power automation terminal apparatus function and performance, comprises function test part and performance test part, and wherein function test part comprises following four:
<1> distant control function is tested
Server issues telecommand, after tested distribution terminal performs telecommand, mimic-disconnecting switch carries out simulated operation, point/combined floodgate result produce state displacement information COS (Change Of State) by being arranged on the direct server of communicator on mimic-disconnecting switch; On the other hand, divide/close a floodgate the state displacement information COS produced by tested distribution terminal delivers to server, compare two results, just can judge that whether the distant control function of tested distribution terminal is correct; Meanwhile, when carrying out the test of telecommand fault seeding, if mimic-disconnecting switch is failure to actuate, then can judges that the remote control of measured terminal possesses relevant fault tolerance, otherwise not possessing relevant fault tolerance;
<2> state-signal collection function test
Server issues point/reclosing command to mimic-disconnecting switch, mimic-disconnecting switch to perform point/closing operation, point/combined floodgate result produce state displacement information COS by be arranged on communicator on mimic-disconnecting switch directly on deliver to server; On the other hand, divide/close a floodgate the state displacement information COS produced by tested distribution terminal delivers to server, compare two results, just can judge that whether the state-signal collection of measured terminal is correct;
<3> data type test (COS always interrupts/organize calling)
Generally, " COS send " higher than the data rank of " responding total/group calling ", the process of testing the rank height of these two kinds of data is as follows: total/group calling instruction that server (distribution simulation main website) issues timing, after tested distribution terminal receives instruction, return the moment T receiving acknowledgement frame
1the moment T that abort frame send is terminated to calling order
2between, server issues point/reclosing command to mimic-disconnecting switch, mimic-disconnecting switch to perform point/closing operation, and produce state displacement information COS, state displacement information is by equipment under test send, and server receives the moment T of state displacement information
3, compare T
2with T
3size, judge the data rank of " response total/group calling " and " COS send "; If T
2> T
3, then the data of COS are superior to the data rank responding total/group calling, and test is passed through; If T
2< T
3, then the data rank of COS is lower than the data rank responding total/group calling, and test can't pass;
<4> power supply under-voltage protection warning function is tested
In the DC power-supply system of tested distribution terminal, be connected in series 200 Ω slide rheostats, resistance is adjusted to zero; During test, the resistance of slow increase slide rheostat, the voltage of tested like this distribution terminal will reduce, when the voltage of distribution terminal is lower than under-voltage protection value, distribution terminal will send low-voltage and report to the police, and COS, SOE will upload onto the server (simulation distribution main website); If COS information and SOE information server can successfully on give, then test is passed through, otherwise test can't pass;
Performance test part comprises following two:
<1> remote measurement accuracy testing
Adjustment criteria source output valve, makes it export direct current or alternating data acquisition X
1, exporting the Input terminal block being connected on tested distribution terminal, by always calling instruction, obtaining the sampled value X of tested distribution terminal
2, remote measurement sampling precision error amount=| X
1-X
2|/X
1× 100%;
<2>SOE stabilization is tested
Adjustment criteria source, making it export an amplitude is the short-time pulse of 5V, and duration T is arranged on 10ns-100ns, and the value arranging T is identical with the stabilization value of tested distribution terminal, free time T
0for 500ns, continue times N
1secondary; Check the SOE times N that tested distribution terminal send
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 " test of telecommand fault seeding " in distant control function test, wherein normal remote control instruction test comprise remote control " conjunction "+execution " conjunction ", remote control " conjunction "+cancel " conjunction ", remote control " divide "+perform " dividing ", remote control " divides "+cancels " dividing "; The test of telecommand fault seeding comprises remote control " conjunction "+execution " dividing ", remote control " divides "+perform " conjunction ", remote control " conjunction "+and cancel " dividing ", remote control " divides "+cancel " conjunction ", remote control " conjunction "+cancel " dividing "+perform " conjunction ", remote control " divides "+cancel " conjunction "+cancel " dividing ", remote control erroneous point position.
According to power distribution network actual conditions and associated specifications; we have established the detection method of complete set, efficiently distribution power automation terminal apparatus function and performance; it comprises function test part and performance test part; wherein function test part comprises distant control function test, state-signal collection function test, data type test and power supply under-voltage protection warning function and tests four, and performance test part comprises remote measurement accuracy testing and SOE stabilization tests two.Application the present invention carries out networking testing, can complete the mensuration of the various functional performance parameters to distribution network terminal comprehensively, rapidly, to guarantee distribution network terminal safety, reliably, stably to run.
Accompanying drawing explanation
Fig. 1 is the formation schematic diagram adopting network channel to implement the detection platform of detection method.
Fig. 2 is the formation schematic diagram adopting serial ports passage to implement the detection platform of detection method.
Fig. 3 is the formation schematic diagram adopting radio communication to implement the detection platform of detection method.
Fig. 4 is the normal function test process figure of distant control function test in detection method.
Fig. 5 is the fault tolerance test process figure of distant control function test in detection method.
Fig. 6 is the test process figure of state-signal collection function test in detection method.
Fig. 7 is the test process figure (COS always interrupts/organize calling) of data type test in detection method.
Test distribution terminal (measurand, in dotted line) built-in system connection layout when Fig. 8 is power supply under-voltage protection warning function test in detection method.
The wiring diagram of distribution terminal (measurand, in dotted line) and standard source when Fig. 9 is remote measurement accuracy testing in detection method.
Pulse waveform schematic diagram when Figure 10 is SOE stabilization test in detection method.
Embodiment
Fig. 1 to Fig. 3 respectively illustrates connecting to form of test macro when network channel, serial ports passage and radio communication three kinds of modes of employing implement detection method.This test macro comprises: mimic-disconnecting switch, server, the network switch, Communication server, tested distribution terminal, standard source.During test, each equipment plays not same-action:
Server: distribution main website can be simulated, for the control to standard source, mimic-disconnecting switch and distribution terminal, complete that instruction issues, data acquisition, information storage, data processing and inversion, the inspection of communication protocol agreement and analyze, the report work such as generation automatically.
Communication server: the communication interface protocol conversion device completing data conversion between RS-232 terminal to TCP/IP, carries out two-way transparent transmission for distribution terminal by the data of RS-232 serial ports and TCP/IP network.
The network switch: for distribution terminal with communicate between standard source with server and provide network access mode.
High precision measure and control device tester: as standard source, supplies tested distribution terminal for simulating various high precision remote measurement (comprising electric current, voltage) value; Also high-precision power can be provided, for testing the performances such as the power consumption of distribution terminal; High precision measure and control device tester is the kernal hardware equipment of detection method, possesses the ability directly communicated with server, can perform the instruction of main website.
Simulator of circuit breaker: for simulating the action behavior of three-phase and phase-splitting operation, single breaking coil or two breaking coil isolating switch, as the replacement equipment of actual isolating switch when relay protection and aut.eq. belt switch whole group system transmission test; This device can directly perform from director server or distribution terminal point/reclosing command, point/close a floodgate and be finished after, feedback can pass to server and distribution terminal simultaneously.
Slide resistor: for the resistance of adjusting circuit, plays dividing potential drop effect.
The detection method of distribution power automation terminal apparatus function of the present invention and performance, comprises function test part and performance test part, and wherein function test part comprises following four:
<1> distant control function test (see Fig. 4 and Fig. 5)
Server issues telecommand, after tested distribution terminal performs telecommand, mimic-disconnecting switch carries out simulated operation, point/combined floodgate result produce state displacement information COS (Change Of State) by being arranged on the direct server of communicator on mimic-disconnecting switch; On the other hand, divide/close a floodgate the state displacement information COS produced by tested distribution terminal delivers to server, compare two results, judge that whether the distant control function of tested distribution terminal is correct; Meanwhile, when carrying out the test of telecommand fault seeding, if mimic-disconnecting switch is failure to actuate, then judges that the remote control of terminal possesses relevant fault tolerance, otherwise not possessing relevant fault tolerance.Comprise " normal remote control instruction test " and " test of telecommand fault seeding " in distant control function test, wherein normal remote control instruction test comprise remote control " conjunction "+execution " conjunction ", remote control " conjunction "+cancel " conjunction ", remote control " divide "+perform " dividing ", remote control " divides "+cancels " dividing "; The test of telecommand fault seeding comprises remote control " conjunction "+execution " dividing ", remote control " divides "+perform " conjunction ", remote control " conjunction "+and cancel " dividing ", remote control " divides "+cancel " conjunction ", remote control " conjunction "+cancel " dividing "+perform " conjunction ", remote control " divides "+cancel " conjunction "+cancel " dividing ", remote control erroneous point position.
<2> state-signal collection function test (see Fig. 6)
For the event of remote signalling displacement, tested distribution terminal need transmit twice information to server, and first time first passes the displacement of target state information COS, after a while target information SOE (Sequence Of Event) during transport tape when not being with.After event produces, tested distribution terminal needs the very first time to send in COS active.During test, server issues point/reclosing command to mimic-disconnecting switch, mimic-disconnecting switch to perform point/closing operation, point/combined floodgate result produce state displacement information COS by be arranged on communicator on mimic-disconnecting switch directly on deliver to server; On the other hand, divide/close a floodgate the state displacement information COS produced by tested distribution terminal delivers to server, compare two results, just can judge that whether the state-signal collection of terminal is correct.<3> data type test (see Fig. 7)
The data rank transmitted between distribution main website and terminal has dividing of height, is necessary to test to data rank.Generally, in order to ensure that variable condition amount (COS) is sent on preferential, the data of COS are superior to regularly total/group calling, always interrupt/organize calling for COS below, brief description data rank is tested: total/group calling instruction that server (distribution simulation main website) issues timing, after tested distribution terminal receives instruction, return the moment T receiving acknowledgement frame
1the moment T that abort frame send is terminated to calling order
2between, server issues point/reclosing command to mimic-disconnecting switch, mimic-disconnecting switch to perform point/closing operation, and produce state displacement information COS, state displacement information is by tested distribution terminal send, and main website receives the moment T of state displacement information
3, compare T
2with T
3size, judge the data rank of " response total/group calling " and " COS send "; If T
2> T
3, then the data of COS are superior to the data rank responding total/group calling, and test is passed through; If T
2< T
3, then the data rank of COS is lower than the data rank responding total/group calling, and test can't pass.
<4> power supply under-voltage protection warning function is tested
When Fig. 8 shows test, distribution terminal built-in system connects, tested distribution terminal and other equipment connection modes then constant.
In the DC power-supply system of tested distribution terminal, be connected in series 200 Ω slide rheostats, resistance is adjusted to zero; During test, the resistance of slow increase slide rheostat, the voltage of tested like this distribution terminal will reduce, when the voltage of tested distribution terminal is lower than under-voltage protection value, tested distribution terminal will send low-voltage and report to the police, and COS, SOE will upload onto the server (simulation distribution main website); If COS information and SOE information server can successfully on give, then test is passed through, otherwise test can't pass.
Performance test part comprises following two:
<1> remote measurement accuracy testing (see Fig. 9)
The wiring of tested distribution terminal and standard source when Fig. 9 shows test, adjustment criteria source output valve, makes it export direct current or alternating data acquisition X
1, exporting the Input terminal block being connected on tested distribution terminal, by always calling instruction, obtaining the sampled value X of tested distribution terminal
2, remote measurement sampling precision error amount=| X
1-X
2|/X
1× 100%.
<2>SOE stabilization is tested
Adjustment criteria source, making it export an amplitude is the short-time pulse of 5V, and duration T is arranged on 10ns-100ns, and waveform is as Figure 10; The value arranging T is identical with the stabilization value of tested distribution terminal, free time T
0for 500ns, continue times N
1secondary; Check the SOE times N that tested distribution terminal send
2if, test N
1=N
2, then test is passed through, if N
1≠ N
2, then test can't pass.
Claims (2)
1. a detection method for distribution power automation terminal apparatus function and performance, is characterized in that comprising function test part and performance test part,
Described function test part comprises following four:
<1> distant control function is tested
Server issues telecommand, and after tested distribution terminal performs telecommand, mimic-disconnecting switch carries out simulated operation, point/combined floodgate result produce state displacement information COS by be arranged on communicator on mimic-disconnecting switch directly on deliver to server; On the other hand, divide/close a floodgate the state displacement information COS produced by tested distribution terminal delivers to server, compare two results, just can judge that whether the distant control function of tested distribution terminal is correct; Meanwhile, when carrying out the test of telecommand fault seeding, if mimic-disconnecting switch is failure to actuate, then can judges that the remote control of terminal possesses relevant fault tolerance, otherwise not possessing relevant fault tolerance;
<2> state-signal collection function test
Server issues point/reclosing command to mimic-disconnecting switch, mimic-disconnecting switch to perform point/closing operation, point/combined floodgate result produce state displacement information COS by be arranged on communicator on mimic-disconnecting switch directly on deliver to server; On the other hand, divide/close a floodgate the state displacement information COS produced by tested distribution terminal delivers to server, compare two results, just can judge that whether the state-signal collection function of tested distribution terminal is correct;
<3> data type test
Generally, " COS send " higher than the data rank of " responding total/group calling ", the process of testing the rank height of these two kinds of data is as follows: total/group calling instruction that server issues timing, after tested distribution terminal receives instruction, returns the moment T receiving acknowledgement frame
1the moment T that abort frame send is terminated to calling order
2between, server issues point/reclosing command to mimic-disconnecting switch, mimic-disconnecting switch to perform point/closing operation, and produce state displacement information COS, state displacement information is by tested distribution terminal send, and server receives the moment T of state displacement information
3, compare T
2with T
3size, judge the data rank of " response total/group calling " and " COS send "; If T
2> T
3, then the data of COS are superior to the data rank responding total/group calling, and test is passed through; If T
2< T
3, then the data rank of COS is lower than the data rank responding total/group calling, and test can't pass;
<4> power supply under-voltage protection warning function is tested
In the DC power-supply system of tested distribution terminal, be connected in series 200 Ω slide rheostats, resistance is adjusted to zero; During test, the resistance of slow increase slide rheostat, the voltage of tested like this distribution terminal will reduce, when the voltage of tested distribution terminal is lower than under-voltage protection value, tested distribution terminal will send low-voltage and report to the police, and COS, SOE of low-voltage warning correspondence will upload onto the server; If COS information and SOE information server can successfully on give, then test is passed through, otherwise test can't pass;
Described performance test part comprises following two:
<1> remote measurement accuracy testing
Adjustment criteria source output valve, makes it export direct current or alternating data acquisition X
1, exporting the Input terminal block being connected on tested distribution terminal, by always calling instruction, obtaining the sampled value X of tested distribution terminal
2, remote measurement sampling precision error amount=| X
1-X
2|/X
1× 100%;
<2>SOE stabilization is tested
Adjustment criteria source, making it export an amplitude is the short-time pulse of 5V, and duration T is arranged on 10ns-100ns, and the value arranging T is identical with the stabilization value of tested distribution terminal, free time T
0for 500ns, continue times N
1secondary; Check the SOE times N that tested distribution terminal send
2if, test N
1=N
2, then test is passed through, if N
1≠ N
2, then test can't pass.
2. the detection method of distribution power automation terminal apparatus function according to claim 1 and performance, it is characterized in that: comprise " normal remote control instruction test " and " test of telecommand fault seeding " in the test of described distant control function, wherein normal remote control instruction test comprise remote control " conjunction "+execution " conjunction ", remote control " conjunction "+cancel " conjunction ", remote control " divide "+perform " dividing ", remote control " divides "+cancels " dividing "; The test of telecommand fault seeding comprises remote control " conjunction "+execution " dividing ", remote control " divides "+perform " conjunction ", remote control " conjunction "+and cancel " dividing ", remote control " divides "+cancel " conjunction ", remote control " conjunction "+cancel " dividing "+perform " conjunction ", remote control " divides "+cancel " conjunction "+cancel " dividing ", remote control erroneous point position.
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