CN107918078A - The test equipment and test method of electric substation automation system - Google Patents
The test equipment and test method of electric substation automation system Download PDFInfo
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- CN107918078A CN107918078A CN201711477578.6A CN201711477578A CN107918078A CN 107918078 A CN107918078 A CN 107918078A CN 201711477578 A CN201711477578 A CN 201711477578A CN 107918078 A CN107918078 A CN 107918078A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The present invention discloses the test equipment and test method of electric substation automation system.The test equipment is made of babinet, power supply, detection module, switching value unit, processing module, display module, output module, data memory module, the test equipment has corresponding test software, any one or more in following multiple test modules is equipped with the test software：Remote measurement accuracy test module, remote signalling stabilization test module, remote control pulsewidth test module and same period parametric testing module；The multiple test module is by calling corresponding device hardware resource to test the electric substation automation system automatically.The present invention can sequentially carry out a large amount of test events of electric substation automation system, realize automatic detection, improve testing efficiency, save the testing time.
Description
Technical field
The present invention relates to the test equipment and test method of equipment testing field, more particularly to electric substation automation system.
Background technology
The safe and stable operation of electric system involves the interests of the state and the people, and secondary device is gathered as power system signal, passed
The validity of defeated and control carrier, its function and performance is most important.It is before equipment is dispatched from the factory and before putting into operation, being required to
Row test.Lack efficient test method, it is necessary to which project is manual one by one by tester currently for electric substation automation system
Test, heavy workload, efficiency are low.Accordingly, it is desirable to provide test equipment and test method suitable for electric substation automation system.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention proposes test equipment and the test side of electric substation automation system
Method, efficiently solves the problem of electric substation automation system testing efficiency is low, and person works' amount is big, using convenience, works well.
To achieve the above object, the present invention uses following technical proposal：
The test equipment of electric substation automation system, including babinet, power supply, detection module, switching value unit, processing
Module, display module, output module and data memory module, wherein,
The switching value unit includes multipair On-off signal terminal and multipair output switch parameter terminal；
The output module includes multiphase current output unit and ployphase voltages output unit；
The test equipment has corresponding test software, is equipped with the test software in following multiple test modules
Any one or more：Remote measurement accuracy test module, remote signalling stabilization test module, be remotely controlled pulsewidth test module and surveyed with period parameters
Die trial block, the remote measurement accuracy test module include analog quantity accuracy test module, stress_responsive genes module and analog quantity dead band and survey
Die trial block；
The multiple test module is by calling corresponding device hardware resource to carry out the electric substation automation system
Automatic test；
Realizing the test method of the electric substation automation system includes：
Step 1, the multiple test modules of test software encapsulation by the test equipment, each test module include multigroup survey
Examination project；
Step 2, open the test software, selects test module, sets test parameter；
Step 3, the operation test software, perform test module, and multiple test events in each test module are sequentially
Perform, call corresponding device hardware resource to be tested by each test module and complete data output；
After the completion of step 4, a test module, into next test module, each test module is sequentially carried out, is completed
The automatic test of the electric substation automation system.
The present invention relies on the test equipment, and the encapsulation of test event is completed by test software, forms multiple test moulds
Block, the multiple test module call corresponding device hardware resource to carry out data output, and each test module sequentially carries out, complete
The automatic test of the paired electric substation automation system.
Preferably, in step 2, certain execution time is respectively provided with to each test event in each test module,
All test events sequentially carry out, after the automatic test for completing this test module all items, into next test module
Test event.The execution time includes test period and interval time.
Preferably, the analog quantity accuracy test module includes exchange accuracy test module and DC precision test module,
Wherein, the test event of the exchange accuracy test module is included in phase angle to test 50% specified electricity respectively in 0 ° of situation
Pressure, 100% rated voltage, 120% rated voltage, 50% rated current, 100% rated current, 120% rated current, 45Hz,
Whether the voltage of the output module, electric current, frequency reality output meet standard requirement under 50Hz and 55Hz；The DC precision
The test event of test module tests different DC voltages, straight respectively in the case of being included in rated voltage, rated current
Galvanic electricity flows down the voltage of the output module, whether electric current reality output meets standard requirement.
Preferably, the test event of the stress_responsive genes module includes testing DC component, fundametal compoment and odd number respectively
Whether the reality output of the output module meets standard requirement under order harmonic components.
Preferably, the test event of analog quantity dead band test module is included in rated voltage, rated current feelings
In condition distinguish test voltage setting valve, 105% voltage setting valve, 110% voltage setting valve, 120% voltage setting valve,
The output mould under current setting, 105% current setting, 110% current setting and 120% current setting
Whether the voltage of block, electric current reality output meet standard requirement.
Preferably, the remote signalling stabilization test module includes SOE resolution tests module and switching value stabilization test module,
Wherein, the test event of the SOE resolution tests module includes testing respectively described under the remote signalling amount of different intervals
Whether the reality output of output module meets standard requirement；The test event of the switching value stabilization test module is included in selection
Whether the reality output for testing the output module under the remote signalling amount of different intervals after the amount of outputing respectively meets standard requirement.
Preferably, the test event of the remote control pulsewidth test module connects different intake ends including test equipment respectively
Whether the state of the output module, actuation time, time of return and pulsewidth reality output meet standard requirement under son, wherein,
The division of the state representation intake, actuation time represent intake closing moment, the time of return represent to open into
Amount disconnects the moment, and the pulsewidth represents the duration of intake closure.Each intake of the test equipment shares a public affairs
End altogether.When accessing the action connection point of protection, a termination test equipment common port, other end connect intake A, B, C,
R, any of a, b, c.In this test module, intake A, B, C, R, a, b, c give tacit consent to effectively, each other the relation of "or",
When some intake is not required, it may be selected to close.
Preferably, the same period parametric testing module includes checkout voltage test module, frequency difference test module, pressure difference test mould
Block, difference test module and asynchronous switch-on test module, wherein, the test event of the checkout voltage test module includes surveying respectively
Examination breaker both sides without pressure, side without depress the output module treat and side voltage, angle, frequency and system side voltage,
Whether angle, the reality output of frequency meet standard requirement；It is disconnected that the test event of the frequency difference test module includes test respectively
Road device both sides difference on the frequencies meets, be unsatisfactory for the output module under frequency difference definite value treat and side voltage, angle, frequency and system side
Whether voltage, angle, the reality output of frequency meet standard requirement；The test event of the pressure difference test module includes surveying respectively
Examination breaker both sides voltage difference meets, is unsatisfactory for treating and side voltage, angle, frequency and being for the output module under frequency difference definite value
Whether system side voltage, angle, the reality output of frequency meet standard requirement；The test event of the difference test module includes dividing
Not Ce Shi breaker both sides phase angle differences meet, be unsatisfactory for the output module under frequency difference definite value treat and side voltage, angle, frequency
Whether meet standard requirement with system side voltage, angle, the reality output of frequency；The test item of the asynchronous switch-on test module
Mesh includes testing that breaker both sides are treated and side voltage is unsatisfactory for condition, system side voltage the output mould under the conditions of being unsatisfactory for respectively
Block treat and whether side voltage, angle, frequency and system side voltage, angle, the reality output of frequency meet standard requirement.
Preferably, the test software is installed on following any appliance：PC machine or the test equipment.
Preferably, the display module is LCD screen or TFT screens.
Compared with prior art, the beneficial effects of the present invention are 1) present invention remote measurement accuracy test module, remote signalling are prevented
Test module, remote control pulsewidth test module and same period parametric testing module integration packaging are trembled in test software, can be to equipment
Many-sided detection is carried out, user can voluntarily select one of module or multiple modules to be tested, and design is reasonable, operation side
Just；2) multiple test function modules are integrated, reduces parameter configuration, simplify testing process, it is accurate to improve test
True property；3) all test events sequentially carry out, and the degree of automation is high, enormously simplify the cumbersome degree of tester, improve
Work efficiency, improves user experience.
Brief description of the drawings
Fig. 1 is the structure diagram according to the test equipment of the electric substation automation system of embodiment；
Fig. 2 is the schematic diagram according to the test method of the electric substation automation system of embodiment.
Embodiment
Clear, complete description is carried out to the technical solution of various embodiments of the present invention below with reference to attached drawing, it is clear that retouched
The part of the embodiment that hair embodiment is only the present invention is stated, instead of all the embodiments.Based on the embodiment of the present invention, sheet
Field those of ordinary skill obtained all other embodiment on the premise of creative work is not made, belongs to this hair
Bright protected scope.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connected ", " connect
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The present invention is described in further detail below by specific embodiment and with reference to attached drawing.
As shown in Figure 1, in the present embodiment, the test equipment of electric substation automation system provided by the invention includes babinet
100, and power supply 8, PC machine 1, detection module 4, switching value unit 6, processing module 2, display mould in babinet 100
Block 3, output module 5, data memory module 7.The display module 3, the PC machine 1, the processing module 2, the output mould
Block 5 is sequentially connected electrically, the detection module 4, the switching value unit 6, the data memory module 7 and the processing mould
Block 2 is electrically connected.
The switching value unit 6 is right including On-off signal terminal 8, and output switch parameter terminal 4 is right.Intake, open
Output is all made of photoisolator and 24V DC relays, its working power is independent 24V working powers, so in COM
There is the DC voltage of 24V between end and intake.Auxiliary contact or related relay of the switching value unit 6 by switch
The open and close of device contact is input to the digital quantity of microcomputer protecting device.
The PC machine 1 includes high performance embedded industrial control computer, has classical Windows XP operations circle
Face, man-machine interface is friendly, simple and efficient to handle.The display module 3 and the PC machine 1 are electrically connected, it is preferred that the display mould
Block 3 is LCD screen or TFT screens.In a specific embodiment, the display module 3 is 800 × 600 for 8.4 cun of resolution ratio
The true colour display screen display screen of TFT, can provide abundant intuitively information, including the current working status of equipment and various help informations etc..
The processing module 2 includes DSP digital information processing systems 21, the FPGA programmable logic devices being sequentially connected electrically
22nd, D/A converter 23 and power amplifier 24.2 master control borad of processing module uses DSP+FPGA structures, and 16 DAC are exported,
2000 points weekly of high density sine wave can be produced to fundamental wave, substantially improves the quality of waveform, improves the precision of tester.
Wherein, the power amplifier 24 is directly coupled out module, electric current, voltage source is directly exported AC and DC waveform.
Further, it can also calculate and export the various combined waveforms being superimposed such as square waves, each harmonic, fault transient waveform etc. can be with
Electric current during the various short troubles of preferable simulation, voltage characteristic.
In a specific embodiment, the processing module 2 further includes low-pass filter, the low-pass filter concatenation
Between D/A converter and power amplifier, make output waveform smooth, amplitude versus frequency characte is excellent.
The output module 5 includes device and is exported equipped with two-way 110V direct current power source voltages, headtotail composition+110V,
Three terminal outputs of 0V, -110V, the exportable 220V DC voltages of+110V, -110V two-terminal.
In the present embodiment, the output module 5 includes current output unit and voltage output unit.It is being embodied
In, the current output unit exports for 6 phase currents, and the voltage cell exports for 6 phase voltages, electric current 30A/ phases, voltage
125V/ phases.6 phase currents, 6 phase voltages can be combined 3 phase current type of conventional 4 phase voltage of realization, 6 phase voltage types, 6 phases
Current mode, and 12 facies pattern output modes, both compatible traditional various test methods, also can easily carry out three-phase transformer
Differential experiment and station service are cut soon to be tested with prepared auto restart.
The data memory module 7 is used to store test intermediate data and test result.The processing module 2 is by various examinations
Test report to send to the data memory module 7, facilitate user's later stage to carry out preview and printing to testing report, can also be tested
Arrangement, deletion and copy of report etc..
The test equipment collection of electric substation automation system provided by the invention is a variety of to be detected on one.In specific implementation,
The detection module 4 specifically includes exchange detection, DC detecting, frequency detecting, cycle detection, Current Voltage detection, differential inspection
Survey, impedance phase detects, assists ripple detection, power direction detection, impedance step detection, zero-sequenceprotection detection, whole group detection, state
Series detection, inverse-time overcurrent detection, differential relay detection, intermediate relay detection, power frequency variation detection.
In specific implementation, ground terminal and three insurances are also equiped with 100 bottom plate of babinet of the test equipment, is protected
Danger is divided into a general supply insurance and two voltage circuits insure.
In the present embodiment, the test equipment further includes reminding module, and reminding module is electrically connected with the processing module 2
Connect.Specifically, the reminding module includes indicator light and/or voice module.
In specific implementation, the reminding module is indicator light, and the indicator light is electrically connected with the processing module 2.When
After the test equipment and protective relaying device are electrically connected, the indicator light prompts user's relay to protect by sending different colours
The whether intact of circuit protected.
In specific implementation, the reminding module is voice module, and the voice module is electrically connected with the processing module 2
Connect.Such as when processor processing is completed to send handling result to output module, the voice set is played to voice module, it is right
User is prompted.
In order to facilitate user's operation, the test equipment of electric substation automation system provided by the invention further includes keyboard and mouse
Mark, user can complete various operations as operation ordinary PC by keyboard or mouse.
The prior art is different from, the test equipment of electric substation automation system provided by the invention is simple in structure, and design is closed
Reason, can test electric substation automation system and failure is detected in real time, simple and convenient, can meet institute
State the test request of electric substation automation system.
In the present embodiment, the test equipment has corresponding test software, and remote measurement essence is equipped with the test software
Test module, remote signalling stabilization test module, remote control pulsewidth test module and same period parametric testing module are spent, the remote measurement precision is surveyed
Die trial block includes analog quantity accuracy test module, stress_responsive genes module and analog quantity dead band test module；The multiple test mould
Block is by calling corresponding device hardware resource to test the electric substation automation system automatically.
As shown in Fig. 2, the specific step of the test method of the electric substation automation system is realized according to the test equipment
Suddenly include：
Step 1, the multiple test modules of test software encapsulation by the test equipment, each test module include multigroup survey
Examination project；
Step 2, open the test software, selects test module, sets test parameter；
Step 3, the operation test software, perform test module, and each test module includes multiple test events, by
Each test module calls corresponding device hardware resource to be tested and completes data output；
After the completion of step 4, a test module, into next test module, each test module is sequentially carried out, is completed
The automatic test of the electric substation automation system.
In specific implementation, the analog quantity accuracy test module includes exchange accuracy test module and DC precision test
Module, wherein, rated voltage is set as 57.735V, rated current 5A, test period 10s, interval time 1s, the exchange
Each test event of accuracy test module is as shown in table 1 below；Rated voltage is set as 100V, rated current 5A, during experiment
Between 10s, interval time 1s, each test event of the DC precision test module is as shown in table 2 below.
Table 1
Table 2
In specific implementation, test period 10s, interval time 1s, each test item of the stress_responsive genes module are set
Mesh is as shown in table 3 below.
| Harmonic wave name | Amplitude | Phase |
| Direct current | 0.00% | 0.00° |
| Fundamental wave | 10.000V | 0.00° |
| 3 times | 0.00% | 0.00° |
| 5 times | 0.00% | 0.00° |
| 7 times | 0.00% | 0.00° |
| 9 times | 0.00% | 0.00° |
| 11 times | 0.00% | 0.00° |
| 13 times | 0.00% | 0.00° |
| 15 times | 0.00% | 0.00° |
| 17 times | 0.00% | 0.00° |
| 19 times | 0.00% | 0.00° |
Table 3
In specific implementation, rated voltage is set as 57.735V, rated current 5A, test period 10s, interval time
1s, each test event of analog quantity dead band test module are as shown in table 4 below.
| Test item title | Voltage U | Electric current I |
| Voltage setting valve | 57.735V | 0.000A |
| Voltage setting valve * (1+5%) | 60.622V | 0.000A |
| Voltage setting valve * (1+10%) | 63.509V | 0.000A |
| Voltage setting valve * (1+20%) | 69.282V | 0.000A |
| Current setting | 0.000V | 5.000A |
| Current setting * (1+5%) | 0.000V | 5.250A |
| Current setting * (1+10%) | 0.000V | 5.500A |
| Current setting * (1+20%) | 0.000V | 6.000A |
Table 4
In specific implementation, the remote signalling stabilization test module includes SOE resolution tests module and switching value stabilization is surveyed
Die trial block, wherein, the test event of the SOE resolution tests module is as shown in table 5 below, and test time here is
1000.0ms interval time 1000.0ms；The test event of the switching value stabilization test module is as shown in table 6 below, here
The amount of outputing selected as output 1, interval time 1000.0ms.
Table 5
| Title | Duration | State |
| Remote signalling 1 | 9.0ms | Close |
| Remote signalling 2 | 10.0ms | Point |
| Remote signalling 3 | 11.0ms | Close |
Table 6
In specific implementation, test period is set as 10.000s, and interval time 1.000s, selected intake A are described
Remote control pulsewidth test module calls the output module 5 to export the corresponding states of the intake A, actuation time, time of return
And pulsewidth.
In specific implementation, the same period parametric testing module includes checkout voltage test module, frequency difference test module, pressure difference
Test module, difference test module and asynchronous switch-on test module, wherein, test period is set as 10.000s, and interval time is
1.000s, shown in the test event such as table 7 (1) of the checkout voltage test module；The test event of the frequency difference test module is such as
Shown in table 7 (2)；Shown in the test event of the pressure difference test module such as table 7 (3)；The test event of the difference test module
As shown in table 7 (4)；Shown in the test event of the asynchronous switch-on test module such as table 7 (5).
Table 7 (1)
Table 7 (2)
Table 7 (3)
Table 7 (4)
Table 7 (5)
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. the test equipment of electric substation automation system, including babinet, power supply, detection module, switching value unit, processing mould
Block, display module, output module and data memory module, it is characterised in that
The switching value unit includes multipair On-off signal terminal and multipair output switch parameter terminal；
The output module includes multiphase current output unit and ployphase voltages output unit；
The test equipment has corresponding test software, is equipped with the test software any in following multiple test modules
It is one or more：Remote measurement accuracy test module, remote signalling stabilization test module, remote control pulsewidth test module and same period parameter testing mould
Block, the remote measurement accuracy test module include analog quantity accuracy test module, stress_responsive genes module and analog quantity dead band test mould
Block；
The multiple test module is automatic by calling corresponding device hardware resource to carry out the electric substation automation system
Test；
Realizing the test method of the electric substation automation system includes：
Step 1, the multiple test modules of test software encapsulation by the test equipment, each test module include multigroup test item
Mesh；
Step 2, open the test software, selects test module, sets test parameter；
Step 3, the operation test software, perform test module, and multiple test events in each test module sequentially carry out,
Call corresponding device hardware resource to be tested by each test module and complete data output；
After the completion of step 4, a test module, into next test module, each test module is sequentially carried out, described in completion
The automatic test of electric substation automation system.
2. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that in step 2, to each
Each test event in test module is respectively provided with certain execution time, and all test events sequentially carry out, and complete this test
After the automatic test of module all items, into the test event of next test module.
3. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the simulation accuracy of measurement is surveyed
Die trial block includes exchange accuracy test module and DC precision test module, wherein, the test of the exchange accuracy test module
Project be included in phase angle for tested respectively in 0 ° of situation 50% rated voltage, 100% rated voltage, 120% rated voltage,
The voltage of the output module under 50% rated current, 100% rated current, 120% rated current, 45Hz, 50Hz and 55Hz,
Whether electric current, frequency reality output meet standard requirement；The test event of the DC precision test module is included in quota
The voltage of the output module, electric current under different DC voltages, DC current are tested in the case of constant voltage, rated current respectively
Whether reality output meets standard requirement.
4. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the stress_responsive genes module
Test event include testing respectively the output module under DC component, fundametal compoment and odd-order harmonic components reality it is defeated
Go out whether to meet standard requirement.
5. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the analog quantity dead band is surveyed
The test event of die trial block be included in in rated voltage, rated current situation distinguish test voltage setting valve, 105% electricity
Repoussage definite value, 110% voltage setting valve, 120% voltage setting valve, current setting, 105% current setting,
Whether the voltage of the output module, electric current reality output meet under 110% current setting and 120% current setting
Standard requirement.
6. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the remote signalling stabilization test
Module includes SOE resolution tests module and switching value stabilization test module, wherein, the survey of the SOE resolution tests module
Whether the reality output that examination project includes testing the output module under the remote signalling amount of different intervals respectively meets standard
It is required that；The test event of the switching value stabilization test module tests different intervals respectively after being included in the selection amount of outputing
Whether the reality output of the output module meets standard requirement under remote signalling amount.
7. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the remote control pulsewidth test
When the test event of module connects the state of the output module under different intake terminals, action including test equipment respectively
Between, time of return and pulsewidth reality output whether meet standard requirement, wherein, the division of the state representation intake is described
Actuation time represents intake closing moment, and the time of return represents that intake disconnects the moment, and the pulsewidth represents intake
The duration of closure.
8. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the same period parameter testing
Module includes checkout voltage test module, frequency difference test module, pressure difference test module, difference test module and asynchronous switch-on test mould
Block, wherein, the test event of the checkout voltage test module includes testing breaker both sides respectively without pressure, side without pressure institute
State output module treat and whether side voltage, angle, frequency and system side voltage, angle, the reality output of frequency meet standard
It is required that；The test event of the frequency difference test module is determined including testing breaker both sides difference on the frequency satisfaction respectively, being unsatisfactory for frequency difference
The output module treats simultaneously whether side voltage, angle, frequency and system side voltage, angle, the reality output of frequency are full under value
Sufficient standard requirement；The test event of the pressure difference test module includes testing breaker both sides voltage difference satisfaction respectively, is unsatisfactory for
The output module treats simultaneously side voltage, angle, frequency and system side voltage, angle, the reality output of frequency under frequency difference definite value
Whether standard requirement is met；The test event of the difference test module include testing respectively breaker both sides phase angle difference meet,
Be unsatisfactory for the output module under frequency difference definite value treat and side voltage, angle, frequency and system side voltage, angle, the reality of frequency
Whether border output meets standard requirement；The test event of the asynchronous switch-on test module includes test breaker both sides respectively and treats
And side voltage be unsatisfactory for condition, system side voltage under the conditions of being unsatisfactory for the output module treat and side voltage, angle, frequency and
Whether system side voltage, angle, the reality output of frequency meet standard requirement.
9. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the test software installation
On following any appliance：PC machine or the test equipment.
10. the test equipment of electric substation automation system as claimed in claim 1, it is characterised in that the display module is
LCD screen or TFT screens.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113552857A (en) * | 2021-07-20 | 2021-10-26 | 中国电力科学研究院有限公司 | Automatic excitation detection method and system in autonomous controllable intelligent substation |
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| CN107402332A (en) * | 2016-05-20 | 2017-11-28 | 中国电力科学研究院 | A kind of Intelligent power distribution terminal multi-epitope automatic checkout system and its detection method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552857A (en) * | 2021-07-20 | 2021-10-26 | 中国电力科学研究院有限公司 | Automatic excitation detection method and system in autonomous controllable intelligent substation |
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Application publication date: 20180417 |