CN106506259A - The pilot system and method for the abnormal big value of simulation intelligent substation SV sampling messages - Google Patents
The pilot system and method for the abnormal big value of simulation intelligent substation SV sampling messages Download PDFInfo
- Publication number
- CN106506259A CN106506259A CN201610893737.XA CN201610893737A CN106506259A CN 106506259 A CN106506259 A CN 106506259A CN 201610893737 A CN201610893737 A CN 201610893737A CN 106506259 A CN106506259 A CN 106506259A
- Authority
- CN
- China
- Prior art keywords
- flying spot
- test
- protection
- protection equipment
- flying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The pilot system and its method of the abnormal big value of message the present invention relates to a kind of simulation intelligent substation SV samples, pilot system include light numerical protection test instrument, and the protection equipment being connected by optical fiber with the smooth numerical protection test instrument；Pilot system is used for Ability of Resisting Disturbance of the protection equipment to abnormal big value under the normal condition that test is not broken down.The present invention can fill up the technological gap of the abnormal big value test method of SV sampling messages; test method can be applicable to the type approval test of protective relaying device; the abnormal big value jamming pattern for being proposed is representative for such interference, can provide valuable reference for relation technological researching work.
Description
Technical field
The present invention relates to a kind of test method of intelligent substation of electric power system, and in particular to a kind of simulation intelligent substation
The pilot system and method for the abnormal big value of SV sampling messages.
Background technology
SMV (Sampled Measured Value) sampled measurement, also referred to as SV is a kind of for real-time Transmission numeral
The communication service of sample information, is widely adopted in the protection device of intelligent substation.The reliability pair of sampled data
Protection correct operation is most important, and a small amount of abnormal data may cause the single malfunction even more than protection, to electrical network
Safe operation constitutes very big threat.
Exception message is roughly divided into four classes：1) double A/D sampling message is inconsistent；2) quality position exception；3) message frame losing；4)
Abnormal big value (also referred to as " flying spot ").At present, to screen, first three class is abnormal to be reported the more ripe technical method of protection producer
Text reliable latch-up protection [6], seldom occur by the extremely caused protection incorrect operation of this class in actual motion.But the 4th
The abnormal big value of class is being had different views due to protecting producer to remain, the particularly impact to the feature of abnormal big value and to protection algorism
Never extensively know together so that related theoretical research and technology application is made slow progress, detection method, test parameters and evaluation
System is lacked.
Content of the invention
For solving above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of simulation intelligent substation SV samplings
The pilot system and method for the abnormal big value of message, the present invention can be as a kind of examination intelligent substation relay protection devices to different
Often it is worth greatly the test method of the Ability of Resisting Disturbance of (" flying spot ").
The purpose of the present invention is realized using following technical proposals：
The present invention provides a kind of pilot system of the abnormal big value of simulation intelligent substation SV sampling messages, the pilot system
2Iset～40Iset, one side are reached to the numerical value of abnormal big value for testing protection equipment under the normal condition not broken down
Ability of Resisting Disturbance of the abnormal quantity of polarity between 1～9 point；Which thes improvement is that the pilot system includes light number
Word protection test instrument, and the protection equipment being connected with the smooth numerical protection test instrument by optical fiber.
Further, the smooth numerical protection test instrument sends SV sampling messages to protection equipment, and receives protection equipment
The protection signal of transmission is used as feedback information.
Further, the smooth numerical protection test instrument is used for sampling message output of the simulation comprising abnormal big value, flying spot
The wave point weekly of model arranges sampling exception message frame number according to test situation, and the exception is big to be worth as flying spot value.
Further, the protection equipment is Device under test EUT.
The present invention provides a kind of test method of the pilot system of the abnormal big value of simulation intelligent substation SV sampling messages, institute
State test method for test the normal condition that do not break down under Ability of Resisting Disturbance of the protection equipment to extremely big value flying spot；?
Jamming pattern must be selected when being tested；The jamming pattern is referred to according to the characteristic parameter of abnormal big value to protection algorism
Influence degree, will affect maximum assay features parameter as the foundation for formulating jamming pattern；
Which thes improvement is that the test method includes following proposal：
(1) test of the protection equipment in single A/D flying spots；With
(2) protection equipment can bear the immunity experiment that harsh grade is D levels in double A/D flying spot simultaneously.
Further, the jamming pattern includes single A/D flying spots identical with crest polarity, single A/D flying spots and crest polarity
On the contrary, discontinuous round trip flight point alternating polarity, continuously many flying spots one side polarity and continuous many flying spot alternating polarities.
Further, in scheme (1), protection equipment includes in the test of single A/D flying spots：
1) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD1
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave crest, tests the anti-dry of protection device
Disturb ability；
2) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD2
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave crest, tests the anti-dry of protection device
Disturb ability；
3) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD1
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave trough, tests the anti-dry of protection device
Disturb ability；
4) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD2
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave trough, tests the anti-dry of protection device
Disturb ability；
5) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD1
There is reversely equivalent alternation flying spot simultaneously in crest and wave trough position in text, and flying spot quantity is respectively continuous 1～9 point, surveys
The antijamming capability of examination protection device；
6) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD2
There is reversely equivalent alternation flying spot simultaneously in crest and wave trough position in text, and flying spot quantity is respectively continuous 1～9 point, surveys
The antijamming capability of examination protection device；
Further, in scheme (2), protection equipment can bear the anti-interference that harsh grade is D levels in double A/D flying spot
Degree test includes：
1. normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulation double A/D occurs
Flying spot, while only occurring the flying spot of a single point respectively in the crest and trough of every cycle, tests the antijamming capability of protection device；
2. normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulation double A/D occurs
Flying spot, while only continuously there are multiple flying spots in the crest or trough of every cycle, tests the antijamming capability of protection device；With
3. normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulation double A/D occurs
Flying spot, while only occurring the continuous multiple spot flying spot of the quantity such as equivalence respectively in the crest and trough of every cycle, tests protection device
Antijamming capability.
Further, the assay features parameter includes：Flying spot peak value, flying spot polarity, per cycle flying spot number, continuous fly
Point repeats the initial phase of number, flying spot initial phase and middle flying spot.
Further, in pilot system, the size of flying spot peak value, every cycle flying spot number, continuous flying spot repeat number
Directly determine calculated value after protection equipment sampling, cause the misoperation of protection equipment；Flying spot polarity, flying spot initial phase and centre fly
Point initial phase can produce Different Effects according to polarity and phase place to protection equipment.
In order to the embodiment to disclosing some in terms of have a basic understanding, shown below is simple summary.Should
Summarized section is not extensive overview, nor will determine key/critical component or describe the protection domain of these embodiments.
Its sole purpose is to assume some concepts with simple form, in this, as the preamble of following detailed description.
Compared with immediate prior art, the excellent effect that the technical scheme of present invention offer has is：
1st, the test method can fill up the technological gap of the abnormal big value test method of SV sampling messages.
2nd, the test method can be applicable to the type approval test of protective relaying device.
3rd, the abnormal value jamming pattern greatly proposed by the test method, for such interference is representative, can be related skill
Art research work provides valuable reference.
Description of the drawings
Fig. 1 is the schematic diagram of the pilot system for simulating the abnormal big value of intelligent substation SV sampling messages that the present invention is provided；
Fig. 2 is the single A/D flying spot and crest polarity identical test waveform figure that the present invention is provided；
Fig. 3 be the present invention provide single A/D flying spots crest opposite polarity and test waveform figure；
Fig. 4 is the test waveform figure of the discontinuous round trip flight point alternating polarity of the protection equipment for providing of the invention；
Fig. 5 is the test waveform figure of the continuous many flying spots one side polarity of the protection equipment that provides of the present invention；
Fig. 6 is the test waveform figure of the continuous many flying spot alternating polarities of protection equipment that the present invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
The following description and drawings fully illustrate specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, electric, process and other changes.Embodiment
Possible change is only represented.Unless explicitly requested, otherwise individually component and function are optional, and the order for operating can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This
The scope of bright embodiment includes the gamut of claims, and all obtainable equivalent of claims
Thing.Herein, these embodiments of the invention individually or generally can be represented with term " invention " that this is only
For convenience, and if in fact disclosing the invention more than, the scope for being not meant to automatically limit the application is to appoint
What single invention or inventive concept.
Abnormal big value tag parameter and protection algorism have relevance between affecting, based on this feature parameter and its impact rule
Rule can obtain a series of typical jamming pattern for effectively examining protection device.Key characterization parameter includes：Flying spot peak value, flying spot
Polarity, every cycle flying spot number, continuous flying spot repeat number, flying spot initial phase, the initial phase of middle flying spot.By arranging each
Characteristic parameter can build the abnormal big value of different characteristic, can be generated with specific mould using light digital relay protection tester
The abnormal big value message of formula, is sent to protection device by optical fiber and is examined.
The present invention provides a kind of pilot system of the abnormal big value of simulation intelligent substation SV sampling messages, the pilot system
2Iset～40Iset, one side are reached to the numerical value of abnormal big value for testing protection equipment under the normal condition not broken down
Ability of Resisting Disturbance of the abnormal quantity of polarity between 1～9 point；SV sampling message abnormal big value pilot system is built first,
As shown in Figure 1：
Light digital protecting tester is connected with protection device (Device under test EUT) by optical fiber.Light numerical protection is surveyed
Examination instrument sends SV sampling messages to protection device, and receives the protection signal of protection device transmission as feedback information, from
And realize the test examination to abnormal big value.
The abnormal big value sampling message output of light digital protecting tester simulation, the flying spot model of the present invention is using per cycle 80
Point, can be set to other sampling frame numbers according to test situation.
The present invention also provides a kind of test method of the abnormal big value of simulation intelligent substation SV sampling messages, test purpose：
Examination protection equipment (Device under test EUT, equipment under under the normal condition not broken down by protection equipment
Test) the Ability of Resisting Disturbance to abnormal big value (flying spot).
Test request and acceptable criterion：
It is required that Device under test does not occur false protection and misaction in single A/D flying spots, including：1) protection equipment is in list
A/D flying spots are tested with crest polarity identical；With 2) protection equipment in single A/D flying spots and the opposite polarity test of crest.
The immunity experiment that harsh grade is D levels should be able to be born in double A/D flying spot, including：1. protection equipment is discontinuous
The test of round trip flight point alternating polarity；2. the test of the continuous many flying spots one side polarity of protection equipment；3. protection equipment continuously flies more
The test of point alternating polarity.
The related protection of Device under test input.In the case of not applying any excitation to device, device does not answer malfunction.To device
Apply 120% electric current, voltage correlation protection seting value, device does not answer tripping.Equipment should be working properly.Apparatus function and property
Can should meet standard requirement.Testing scheme, test parameters and jamming pattern are as figures 2-6.
1) selection of jamming pattern：According to influence degree of the abnormal big characteristic parameter being worth to protection algorism, will affect most
Big characteristic parameter is used as the foundation for formulating typical jamming pattern.
2) assay features parameter includes：Flying spot peak value, flying spot polarity, per cycle flying spot number, continuous flying spot repeat number,
Flying spot initial phase, the initial phase of middle flying spot.
The pilot project of the test method of the abnormal big value of simulation intelligent substation SV sampling messages, purpose, requirement and method
As shown in table 1 below～6.
Scheme 1) in, protection equipment includes in the test of single A/D flying spots：
1) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD1
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave crest, tests the anti-dry of protection device
Disturb ability；
2) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD2
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave crest, tests the anti-dry of protection device
Disturb ability；
3) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD1
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave trough, tests the anti-dry of protection device
Disturb ability；
4) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD2
There is 1～9 continuous flying spot respectively in text, while flying spot value is in the position of sine wave trough, tests the anti-dry of protection device
Disturb ability；
5) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD1
There is reversely equivalent alternation flying spot simultaneously in crest and wave trough position in text, and flying spot quantity is respectively continuous 1～9 point, surveys
The antijamming capability of examination protection device；
6) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV reports of AD2
There is reversely equivalent alternation flying spot simultaneously in crest and wave trough position in text, and flying spot quantity is respectively continuous 1～9 point, surveys
The antijamming capability of examination protection device；
The test of the abnormal big value of the simulation intelligent substation SV sampling messages of table 1
2 protection equipment of table is tested with crest polarity identical in single A/D flying spots
3 protection equipment of table is in single A/D flying spots and the opposite polarity test of crest
Scheme 2) in, protection equipment can bear in double A/D flying spot harsh grade be D levels immunity experiment include：
1. normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulation double A/D occurs
Flying spot, while only occurring the flying spot of a single point respectively in the crest and trough of every cycle, tests the antijamming capability of protection device；
2. normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulation double A/D occurs
Flying spot, while only continuously there are multiple flying spots in the crest or trough of every cycle, tests the antijamming capability of protection device；With
3. normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulation double A/D occurs
Flying spot, while only occurring the continuous multiple spot flying spot of the quantity such as equivalence respectively in the crest and trough of every cycle, tests protection device
Antijamming capability.
The test of the discontinuous round trip flight point alternating polarity of 4 protection equipment of table
The test of the continuous many flying spots one side polarity of 5 protection equipment of table
The test of the continuous many flying spot alternating polarities of 6 protection equipment of table
The present invention can conduct based on the test method that the theoretical research result proposes a kind of abnormal big value of SV samplings message
A kind of test method of examination intelligent substation relay protection device to the Ability of Resisting Disturbance of abnormal big value (" flying spot ").
Above example is only in order to illustrate technical scheme rather than a limitation, although reference above-described embodiment pair
The present invention has been described in detail, and those of ordinary skill in the art still can enter to the specific embodiment of the present invention
Row modification or equivalent, these any modification or equivalents without departing from spirit and scope of the invention, in application
Within the claims of the pending present invention.
Claims (10)
1. the pilot system that a kind of simulation intelligent substation SV samplings message exception is worth greatly, the pilot system are used for test and do not send out
Under the normal condition of raw failure, protection equipment reaches the abnormal number of 2Iset～40Iset, unilateral polarity to the numerical value of abnormal big value
Ability of Resisting Disturbance of the amount between 1～9 point；Characterized in that, the pilot system includes light numerical protection test instrument, and
The protection equipment being connected with the smooth numerical protection test instrument by optical fiber.
2. pilot system as claimed in claim 1, it is characterised in that the smooth numerical protection test instrument is sent to protection equipment
SV sampling messages, and the protection signal of protection equipment transmission is received as feedback information.
3. pilot system as claimed in claim 1, it is characterised in that the smooth numerical protection test instrument is used for simulation comprising different
The often sampling message output of big value, the wave point weekly of flying spot model arrange sampling exception message frame number according to test situation, described
Abnormal big value is flying spot value.
4. pilot system as claimed in claim 1, it is characterised in that the protection equipment is Device under test EUT.
5. the test system that a kind of simulation intelligent substation SV sampling message exceptions as any one of claim 1-4 are worth greatly
The test method of system, under the normal condition that the test method does not break down for test, protection equipment is to abnormal big value flying spot
Ability of Resisting Disturbance；Jamming pattern must be selected when testing；The jamming pattern refers to the feature according to abnormal big value
Influence degree of the parameter to protection algorism, will affect maximum assay features parameter as the foundation for formulating jamming pattern；
Characterized in that, the test method includes following proposal：
(1) test of the protection equipment in single A/D flying spots；With
(2) protection equipment can bear the immunity experiment that harsh grade is D levels in double A/D flying spot simultaneously.
6. test method as claimed in claim 5, it is characterised in that the jamming pattern includes single A/D flying spots and crest pole
Property identical, single A/D flying spots and crest opposite polarity, continuously discontinuous round trip flight point alternating polarity, many flying spots one side polarity and continuous
Many flying spot alternating polarities.
7. test method as claimed in claim 5, it is characterised in that in scheme (1), protection equipment is in single A/D flying spots
Test include：
1) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV messages point of AD1
Not Chu Xian 1～9 continuous flying spot, while flying spot value is in the position of sine wave crest, test the anti-interference energy of protection device
Power；
2) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV messages point of AD2
Not Chu Xian 1～9 continuous flying spot, while flying spot value is in the position of sine wave crest, test the anti-interference energy of protection device
Power；
3) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV messages point of AD1
Not Chu Xian 1～9 continuous flying spot, while flying spot value is in the position of sine wave trough, test the anti-interference energy of protection device
Power；
4) normal message output under normality is simulated by pilot system, after protection equipment is normally run, simulates the SV messages point of AD2
Not Chu Xian 1～9 continuous flying spot, while flying spot value is in the position of sine wave trough, test the anti-interference energy of protection device
Power；
5) normal message output under normality is simulated by pilot system, after protection equipment is normally run, the SV messages for simulating AD1 exist
Crest and wave trough position occur reversely equivalent alternation flying spot simultaneously, and flying spot quantity is respectively continuous 1～9 point, and test is protected
The antijamming capability of protection unit；
6) normal message output under normality is simulated by pilot system, after protection equipment is normally run, the SV messages for simulating AD2 exist
Crest and wave trough position occur reversely equivalent alternation flying spot simultaneously, and flying spot quantity is respectively continuous 1～9 point, and test is protected
The antijamming capability of protection unit.
8. test method as claimed in claim 5, it is characterised in that in scheme (2), protection equipment is in double A/D flying spot
When can bear harsh grade be D levels immunity experiment include：
1. normal message output under normality is simulated by pilot system, after protection equipment is normally run, flying occurs in simulation double A/D
Point, while only occurring the flying spot of a single point respectively in the crest and trough of every cycle, tests the antijamming capability of protection device；
2. normal message output under normality is simulated by pilot system, after protection equipment is normally run, flying occurs in simulation double A/D
Point, while only continuously there are multiple flying spots in the crest or trough of every cycle, tests the antijamming capability of protection device；With
3. normal message output under normality is simulated by pilot system, after protection equipment is normally run, flying occurs in simulation double A/D
Point, while only occurring the continuous multiple spot flying spot of the quantity such as equivalence respectively in the crest and trough of every cycle, tests protection device
Antijamming capability.
9. test method as claimed in claim 5, it is characterised in that the assay features parameter includes：Flying spot peak value, flying spot
Polarity, every cycle flying spot number, continuous flying spot repeat the initial phase of number, flying spot initial phase and middle flying spot.
10. test method as claimed in claim 9, it is characterised in that in pilot system, the size of flying spot peak value, weekly
Ripple flying spot number, continuous flying spot repeat number and directly determine calculated value after protection equipment sampling, cause the misoperation of protection equipment；
Flying spot polarity, flying spot initial phase and middle flying spot initial phase can produce Different Effects according to polarity and phase place to protection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893737.XA CN106506259A (en) | 2016-10-13 | 2016-10-13 | The pilot system and method for the abnormal big value of simulation intelligent substation SV sampling messages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893737.XA CN106506259A (en) | 2016-10-13 | 2016-10-13 | The pilot system and method for the abnormal big value of simulation intelligent substation SV sampling messages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106506259A true CN106506259A (en) | 2017-03-15 |
Family
ID=58293714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610893737.XA Pending CN106506259A (en) | 2016-10-13 | 2016-10-13 | The pilot system and method for the abnormal big value of simulation intelligent substation SV sampling messages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106506259A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069664A (en) * | 2017-06-19 | 2017-08-18 | 南京国电南自电网自动化有限公司 | A kind of method for preventing current sample abnormal data from being influenceed on current protection |
| CN113839690A (en) * | 2021-09-17 | 2021-12-24 | 广东电网有限责任公司 | Power line carrier simulation operation test method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175940A (en) * | 2011-01-28 | 2011-09-07 | 四川电力科学研究院 | Testing method of digital protection tester with fault data model base for protection testing |
| CN104009542A (en) * | 2014-05-07 | 2014-08-27 | 深圳市国电南思***控制有限公司 | Method and system for analyzing transmission rationality of operation information of intelligent substation |
| CN104866964A (en) * | 2015-05-19 | 2015-08-26 | 南京国电南自电网自动化有限公司 | Method for processing flying spot data in intelligent transformer station |
| CN105138843A (en) * | 2015-08-26 | 2015-12-09 | 长园深瑞继保自动化有限公司 | Electric system sampling flying spot detection and repair method thereof |
| CN105868448A (en) * | 2016-03-24 | 2016-08-17 | 中国民航大学 | Point fusion system based approach operation method |
-
2016
- 2016-10-13 CN CN201610893737.XA patent/CN106506259A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175940A (en) * | 2011-01-28 | 2011-09-07 | 四川电力科学研究院 | Testing method of digital protection tester with fault data model base for protection testing |
| CN104009542A (en) * | 2014-05-07 | 2014-08-27 | 深圳市国电南思***控制有限公司 | Method and system for analyzing transmission rationality of operation information of intelligent substation |
| CN104866964A (en) * | 2015-05-19 | 2015-08-26 | 南京国电南自电网自动化有限公司 | Method for processing flying spot data in intelligent transformer station |
| CN105138843A (en) * | 2015-08-26 | 2015-12-09 | 长园深瑞继保自动化有限公司 | Electric system sampling flying spot detection and repair method thereof |
| CN105868448A (en) * | 2016-03-24 | 2016-08-17 | 中国民航大学 | Point fusion system based approach operation method |
Non-Patent Citations (1)
| Title |
|---|
| 王剑宇等: "SV采样报文异常大数据的特征及检测方案研究", 《电力勘测设计》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069664A (en) * | 2017-06-19 | 2017-08-18 | 南京国电南自电网自动化有限公司 | A kind of method for preventing current sample abnormal data from being influenceed on current protection |
| CN107069664B (en) * | 2017-06-19 | 2018-10-12 | 南京国电南自电网自动化有限公司 | A method of prevent current sample abnormal data from being influenced on current protection |
| CN113839690A (en) * | 2021-09-17 | 2021-12-24 | 广东电网有限责任公司 | Power line carrier simulation operation test method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105676085A (en) | Extra-high voltage GIS partial discharge detection method based on multi-sensor information fusion | |
| CN103344883B (en) | Simulation testing device and the method for cable fault simulation is realized by wireless network | |
| Steennis et al. | Guarding MV cables on-line: With travelling wave based temperature monitoring, fault location, PD location and PD related remaining life aspects | |
| CN107340436B (en) | Intelligent substation relay protection sampling data abnormity simulation test method | |
| CN106093722A (en) | The location of a kind of cable local discharge and recognition methods | |
| CN106774237A (en) | A kind of observing and controlling remote control sluggish detection method and its system | |
| CN103278787A (en) | On-line GIS (gas-insulated switchgear) partial discharge monitoring and check method | |
| Jamei et al. | Automated Anomaly Detection in Distribution Grids Using $\mu $ PMU Measurements | |
| CN106506259A (en) | The pilot system and method for the abnormal big value of simulation intelligent substation SV sampling messages | |
| US9188632B1 (en) | Self learning radio frequency monitoring system for identifying and locating faults in electrical distribution systems | |
| Shumaker et al. | Cable condition monitoring for nuclear power plants | |
| Zimmerman | SEL recommendations on periodic maintenance testing of protective relays | |
| CN108169584A (en) | Test method, device, system, storage medium and the processor of equipment | |
| CN105720959B (en) | A kind of method and system for testing relay-protection tester Time delay | |
| CN107315132A (en) | A kind of power distribution station automatic fault detection system | |
| CN203178464U (en) | GIS partial discharge online monitoring calibrator | |
| CN105891637A (en) | Intelligent substation secondary device testing method and intelligent substation secondary device testing system | |
| CN107834311A (en) | Network interface plug-in and pull-off device, network interface insert-pull detection system and method | |
| Feng et al. | State assessment of measuring error and analysis of risk early warning technology for operating CVT | |
| Mareček | Monitoring and diagnostic system of power plant electrical equipment | |
| CN208432678U (en) | A kind of device for measuring transformer transient signal | |
| Nadeem et al. | On HVDC protection IED testing: challenges and outlook | |
| McBride et al. | Integration of TDSF analysis into TECAM transformer on line monitoring system | |
| van der Wielen et al. | Experiences with continuous condition monitoring of in-service mv cable connections | |
| CN108519532A (en) | A kind of electric energy quality test system and its test point detecting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |
|
| RJ01 | Rejection of invention patent application after publication |