CN102914713B - Electromagnetic compatibility test method and device for electric power online monitoring equipment - Google Patents
Electromagnetic compatibility test method and device for electric power online monitoring equipment Download PDFInfo
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- CN102914713B CN102914713B CN201210407714.5A CN201210407714A CN102914713B CN 102914713 B CN102914713 B CN 102914713B CN 201210407714 A CN201210407714 A CN 201210407714A CN 102914713 B CN102914713 B CN 102914713B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 238000010998 test method Methods 0.000 title abstract 3
- 238000012360 testing method Methods 0.000 claims abstract description 96
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000036039 immunity Effects 0.000 claims description 28
- 230000008034 disappearance Effects 0.000 claims description 6
- 208000033999 Device damage Diseases 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Abstract
The invention relates to an electromagnetic compatibility test method and device for electric power online monitoring equipment. The method comprises the following steps of: (1) performing communication connection on a tested sample and an electromagnetic compatibility tester, and judging whether the connection is successful, if the connection is successful, executing the step (2), or otherwise, continuing executing the step (1); (2) testing the electromagnetic compatibility of the tested sample through the electromagnetic compatibility tester, encrypting tested data and transmitting the tested data to an upper computer through a wireless transmission network; and (3) decrypting the tested data received by the upper computer, and matching and comparing the test data with the data in a database to obtain a rest result of the tested sample, wherein the device comprises the electromagnetic compatibility tester, the upper computer, an insulation support, a grounding reference plane and a non-metal pedestal. Compared with the prior art, the electromagnetic compatibility test method and device have the advantages of wide test range, capability of remote monitoring, high test precision and the like.
Description
Technical field
The present invention relates to a kind of Electromagnetic Compatibity Test Technology, especially relate to a kind of electromagnetic compatible testing method for electric power online monitoring equipment and device.
Background technology
On-line monitoring function is as the intelligentized essential characteristic of primary equipment, for ensureing on-Line Monitor Device function and operational reliability, on-Line Monitor Device should carry out service check, checking and accepting before putting into operation, wherein 1 most important test is EMC test, and this electromagnetic compatibility (EMC) test is mainly divided into Electromagnetic Launching to test (EMI) and electromagnetic immunity test (EMS).But the following problem of existing EMC test ubiquity:
1, test specification is narrow, only tests several interference, thus product cannot really reliably be tested;
2, to the bulk information needing in EMC test to pay close attention to, need laboratory examination personnel and customer engineer simultaneously in testing ground, confirm by the arrangement states of test agent, by the various parameter of testing tool observation test system and record, and monitored by the duty of test agent at Control Room by video camera.Must in test site to be carried out when electromagnetic compatibility (EMC) is tested customer engineer by test agent, very inconvenient.
Summary of the invention
Object of the present invention be exactly provide to overcome defect that above-mentioned prior art exists a kind of test specification wide, the high electromagnetic compatible testing method for electric power online monitoring equipment of remote monitoring, measuring accuracy and device can be realized.
Object of the present invention can be achieved through the following technical solutions:
For an electromagnetic compatible testing method for electric power online monitoring equipment, it is characterized in that, comprise the following steps:
1) sample and electromagnetic compatibility test instrument are carried out communication to be connected, and judge whether successful connection, if yes, perform step 2), otherwise continue to perform step 1);
2) electromagnetic compatibility test instrument carries out emc testing to sample, and is uploaded to host computer by wireless-transmission network after test data being encrypted;
3) host computer is to after the test data deciphering received, and carries out matching ratio comparatively, obtain the test findings of sample with data in database.
Described emc testing project and intensity as follows:
Esd immunity: test class 4 grades, voltage ± 8kV-± 15kV;
Radio frequency electromagnetic field radiation immunity: test class 3 grades, electric field intensity 10V/m;
Electrical fast transient (eft) immunity to interference: test class 4 grades, voltage ± 4kV;
Surge (impact) immunity to interference: test class 4 grades, voltage ± 4kV;
The conduction interference immunity to interference of radio-frequency field induction: test class 3 grades, voltage ± 10V;
Power frequency magnetic field noise immunity: test class 5 grades, magnetic field intensity 100A/m;
Pulse magnetic field immunity: test class 5 grades, magnetic field intensity 1000A/m;
Damped oscillation magnetic field immunity to interference: test class 5 grades, magnetic field intensity 100A/m;
Voltage dip and short interruptions immunity to interference: voltage dip and short interruptions 60%UT, duration 10 cycles.
Described test findings comprises:
In technical requirement limit value, performance is normal;
Function or the temporary reduction of performance or disappearance, but can recover voluntarily;
Function or the temporary reduction of performance or disappearance, need manual intervention or carry out system reset;
Device damages, or the function that loss of data and causing can not return to normal condition voluntarily lowers or loses.
A kind of device of the electromagnetic compatible testing method for electric power online monitoring equipment, it is characterized in that, comprise electromagnetic compatibility test instrument, host computer, insulated leg, ground connection reference planes and nonmetal base, described electromagnetic compatibility test instrument is connected with host computer by wireless network, described electromagnetic compatibility test instrument is connected with sample, described sample is fixed on ground connection reference planes by insulating support, described electromagnetic compatibility test instrument is fixed in ground connection reference planes, and described ground connection reference planes are fixed on nonmetal base.
The lower surface of described ground connection reference planes and the vertical range of base lower end are 0.8m.
Compared with prior art, the present invention has the following advantages:
1, test specification is wide, all tests the electromagnetic interference (EMI) that electric power online checkout equipment may run into;
2, can remote monitoring be realized, the information paid close attention to can be needed by wireless-transmission network in long-range real-time acquisition EMC test, greatly reduce the loaded down with trivial details of site test and inefficiency;
3, measuring accuracy is high, and the reliability of the product after tested obtains and greatly improves, and reduces the defect rate of product.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram that the present invention realizes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
For an electromagnetic compatible testing method for electric power online monitoring equipment, comprise the following steps:
1) sample and electromagnetic compatibility test instrument are carried out communication to be connected, and judge whether successful connection, if yes, perform step 2), otherwise continue to perform step 1);
2) electromagnetic compatibility test instrument carries out emc testing to sample, and is uploaded to host computer by wireless-transmission network after test data being encrypted;
3) host computer is to after the test data deciphering received, and carries out matching ratio comparatively, obtain the test findings of sample with data in database.
Described emc testing project and intensity as follows:
Esd immunity: test class 4 grades, voltage ± 8kV-± 15kV;
Radio frequency electromagnetic field radiation immunity: test class 3 grades, electric field intensity 10V/m;
Electrical fast transient (eft) immunity to interference: test class 4 grades, voltage ± 4kV;
Surge (impact) immunity to interference: test class 4 grades, voltage ± 4kV;
The conduction interference immunity to interference of radio-frequency field induction: test class 3 grades, voltage ± 10V;
Power frequency magnetic field noise immunity: test class 5 grades, magnetic field intensity 100A/m;
Pulse magnetic field immunity: test class 5 grades, magnetic field intensity 1000A/m;
Damped oscillation magnetic field immunity to interference: test class 5 grades, magnetic field intensity 100A/m;
Voltage dip and short interruptions immunity to interference: voltage dip and short interruptions 60%UT, duration 10 cycles.
Described test findings comprises:
In technical requirement limit value, performance is normal; Function or the temporary reduction of performance or disappearance, but can recover voluntarily; Function or the temporary reduction of performance or disappearance, need manual intervention or carry out system reset; Device damages, or the function that loss of data and causing can not return to normal condition voluntarily lowers or loses.
As shown in Figure 2, hardware unit of the present invention, comprise electromagnetic compatibility test instrument 1, host computer, insulated leg 3, ground connection reference planes 4 and nonmetal base 5, described electromagnetic compatibility test instrument 1 is connected with host computer by wireless network, described electromagnetic compatibility test instrument 1 is connected with sample 2, described sample 2 is fixed on ground connection reference planes 4 by insulating support 3, described electromagnetic compatibility test instrument 1 is fixed in ground connection reference planes 4, and described ground connection reference planes 4 are fixed on nonmetal base 5.The lower surface of described ground connection reference planes and the vertical range h of base lower end are 0.8m.
Claims (4)
1. for an electromagnetic compatible testing method for electric power online monitoring equipment, it is characterized in that, comprise the following steps:
1) sample and electromagnetic compatibility test instrument are carried out communication to be connected, and judge whether successful connection, if yes, perform step 2), otherwise continue to perform step 1);
2) electromagnetic compatibility test instrument carries out emc testing to sample, and is uploaded to host computer by wireless-transmission network after test data being encrypted;
3) host computer is to after the test data deciphering received, and carries out matching ratio comparatively, obtain the test findings of sample with data in database;
Described emc testing project and intensity as follows:
Esd immunity: test class 4 grades, voltage ± 8kV-± 15kV;
Radio frequency electromagnetic field radiation immunity: test class 3 grades, electric field intensity 10V/m;
Electrical fast transient (eft) immunity to interference: test class 4 grades, voltage ± 4kV;
Surge (impact) immunity to interference: test class 4 grades, voltage ± 4kV;
The conduction interference immunity to interference of radio-frequency field induction: test class 3 grades, voltage ± 10V;
Power frequency magnetic field noise immunity: test class 5 grades, magnetic field intensity 100A/m;
Pulse magnetic field immunity: test class 5 grades, magnetic field intensity 1000A/m;
Damped oscillation magnetic field immunity to interference: test class 5 grades, magnetic field intensity 100A/m;
Voltage dip and short interruptions immunity to interference: voltage dip and short interruptions 60%UT, duration 10 cycles.
2. a kind of electromagnetic compatible testing method for electric power online monitoring equipment according to claim 1, it is characterized in that, described test findings comprises:
In technical requirement limit value, performance is normal;
Function or the temporary reduction of performance or disappearance, but can recover voluntarily;
Function or the temporary reduction of performance or disappearance, need manual intervention or carry out system reset;
Device damages, or the function that loss of data and causing can not return to normal condition voluntarily lowers or loses.
3. one kind implements the claims the device of the electromagnetic compatible testing method for electric power online monitoring equipment described in 1, it is characterized in that, comprise electromagnetic compatibility test instrument, host computer, insulated leg, ground connection reference planes and nonmetal base, described electromagnetic compatibility test instrument is connected with host computer by wireless network, described electromagnetic compatibility test instrument is connected with sample, described sample is fixed on ground connection reference planes by insulating support, described electromagnetic compatibility test instrument is fixed in ground connection reference planes, described ground connection reference planes are fixed on nonmetal base.
4. the device of a kind of electromagnetic compatible testing method for electric power online monitoring equipment according to claim 3, is characterized in that, the lower surface of described ground connection reference planes and the vertical range of base lower end are 0.8m.
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| CN201210407714.5A CN102914713B (en) | 2012-10-23 | 2012-10-23 | Electromagnetic compatibility test method and device for electric power online monitoring equipment |
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| CN201210407714.5A CN102914713B (en) | 2012-10-23 | 2012-10-23 | Electromagnetic compatibility test method and device for electric power online monitoring equipment |
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| CN102914713B true CN102914713B (en) | 2015-05-27 |
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| CN105785156A (en) * | 2014-12-26 | 2016-07-20 | 国家电网公司 | Transformer station intelligent electronic device multi-source anti-interference degree characteristic testing method |
| CN106053982B (en) * | 2016-05-25 | 2019-02-05 | 北京航空航天大学 | A kind of electromagnetic compatibility analysis method of radio-frequency module backboard |
| CN106443251A (en) * | 2016-09-19 | 2017-02-22 | 武汉大学 | Method for detecting immunity to pulsed magnetic field of high-voltage wireless power supply system |
| CN108267616A (en) * | 2016-12-30 | 2018-07-10 | 上海优立检测技术股份有限公司 | A kind of insulation support plate for electromagnetic compatibility test |
| CN110687370A (en) * | 2019-09-11 | 2020-01-14 | 中国电力科学研究院有限公司 | Method and device for testing induction discharge anti-interference capability of power transmission live working robot |
| CN110716166A (en) * | 2019-10-09 | 2020-01-21 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Method for verifying electromagnetic compatibility test result of electrical secondary equipment |
| CN110988497A (en) * | 2019-11-28 | 2020-04-10 | 北京赛迪君信电子产品检测实验室有限公司 | Magnetic field immunity testing device and method for magnetic coupling digital isolator |
| CN111966042B (en) * | 2020-08-27 | 2021-04-06 | 国家机床质量监督检验中心 | Quantitative test system and method for immunity of numerical control system |
| CN113219287A (en) * | 2021-05-21 | 2021-08-06 | 山东电工电气集团有限公司 | Method for carrying out capacitance compatibility rating and weak link positioning on state net core FTU |
| CN116359659B (en) * | 2023-05-31 | 2023-07-28 | 北京煜邦电力技术股份有限公司 | Portable electromagnetic compatibility testing equipment based on carrier communication unit and testing method thereof |
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| US6052053A (en) * | 1997-10-22 | 2000-04-18 | Semtronics Corporation | Continuous monitoring system |
| CN2615674Y (en) * | 2003-04-28 | 2004-05-12 | 联想(北京)有限公司 | Detecting apparatus used for electromagnetic compatible darkroom detecting system |
| CN202217021U (en) * | 2011-09-01 | 2012-05-09 | 比亚迪股份有限公司 | Testing device for electromagnetic compliance darkroom testing system |
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