CN203178479U - Attenuation shockwave immunity test device for intelligent electric energy meter - Google Patents
Attenuation shockwave immunity test device for intelligent electric energy meter Download PDFInfo
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- CN203178479U CN203178479U CN 201320149538 CN201320149538U CN203178479U CN 203178479 U CN203178479 U CN 203178479U CN 201320149538 CN201320149538 CN 201320149538 CN 201320149538 U CN201320149538 U CN 201320149538U CN 203178479 U CN203178479 U CN 203178479U
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- electric energy
- energy meter
- intelligent electric
- attenuation
- shockwave
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Abstract
The utility model relates to an attenuation shockwave immunity test device for an intelligent electric energy meter, which is used for detecting the attenuation shockwave immunity of the intelligent electric energy meter. The device comprises a surge generator, a coupling/decoupling network, a voltage source and a current source, wherein the surge generator is connected with the electric energy meter under test through the coupling/decoupling network, and the voltage source and the current source are connected with a voltage circuit and a current circuit of the electric energy meter under test respectively. Compared with the prior art, the attenuation shockwave immunity test device is simple in structure and convenient to operate, and can detect the attenuation shockwave immunity of the intelligent electric energy meter accurately.
Description
Technical field
The utility model relates to a kind of intelligent electric energy meter performance testing device, especially relates to a kind of intelligent electric energy meter decay Sasser jamming immunity tester.
Background technology
The problem that in calibrating, check system, exists at present electric energy meter, power consumer power information acquisition system, when further improving the relevant criterion system, formulate workable coordinative experiments method, the clear and definite pilot project that should carry out, the technical requirement of all kinds of testing equipments is proposed at different pilot projects, the lifting test ability to work, with satisfy with intelligent electric energy meter widely apply and the power utilization information collection system Large scale construction to measurement centre examine and determine, the testing requirement.
The intelligent electric energy meter of producing needed its correlated performance is detected before coming into operation at present.
The decay Sasser responds in the frequency band that selected attenuation oscillasion impulse rise time and fundamental frequency cover by test product, to detect the immunity to interference of test product under different specific run conditions.Therefore, should pay the utmost attention to this test in some cases.
The utility model content
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of simple in structure, test is convenient, the Sasser of intelligent electric energy meter decay accurately jamming immunity tester.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of intelligent electric energy meter decay Sasser jamming immunity tester, for detection of the immunity to interference of intelligent electric energy meter to the decay Sasser, this device comprises surge generator, coupling/decoupling network, voltage source and current source, described surge generator connects tested electric energy meter by coupling/decoupling network, and described voltage source is connected with voltage circuit and the current circuit of tested electric energy meter respectively with current source.
The coupling scheme of described coupling/decoupling network are common mode and differential mode.
Described tested electric energy meter is located on the operator's console by insulator foot.
Compared with prior art, the utility model is simple in structure, easy to operate, can detect intelligent electric energy meter decay Sasser immunity to interference accurately.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure, 1 is surge generator, and 2 are coupling/decoupling network, and 3 is tested electric energy meter, and 4 is voltage source, and 5 is current source.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
A kind of intelligent electric energy meter decay Sasser jamming immunity tester, as shown in Figure 1, for detection of the immunity to interference of intelligent electric energy meter to the decay Sasser, this device comprises surge generator 1, coupling/decoupling network 2, voltage source 4 and current source 5, surge generator 1 connects tested electric energy meter 3 by coupling/decoupling network 2, and voltage source 4 is connected with voltage circuit and the current circuit of tested electric energy meter 3 respectively with current source 5.The coupling scheme of coupling/decoupling network 2 are common mode and differential mode.Tested electric energy meter 3 is located on the operator's console by insulator foot.
Produce typical interference waveform by surge generator, be applied to the responsive port of tested electric energy meter by coupling/decoupling network, to check the actual interference rejection ability of tested electric energy meter.The step of using this device to test is as follows:
(1) tested electric energy meter is placed on the operator's console, and aluminium sheet and the thick insulator foot of 0.1m with 0.25mm between operator's console and the tested table separate;
(2) tested electric energy meter voltage and auxiliary line pass to reference voltage, and current circuit passes to fundamental current, respectively in power factor 1.0 and 0.5L two point measurement errors;
(3) the control surge generator sends undesired signal, undesired signal is common mode 2.5kV, differential mode 1.0kV, test frequency 100kHz (repetition rate 40Hz) and 1Mhz (repetition rate 400Hz), test period 60s (to every kind of experiment frequency with 2s open, 2s closes, carry out 15 cycles), undesired signal is coupled on the voltage circuit, measures the identical point error;
(4) tested electric energy meter voltage and auxiliary line pass to reference voltage, the current circuit open circuit, and 80MHz～2000MHz undesired signal is sent by power amplifier in the control signal source, makes the electric energy meter position produce the 30V/m field intensity:
(5) test is judged: should not make the change of the situation disorder of equipment and error should be in the limit of respective standard regulation at the trial.
Claims (3)
1. intelligent electric energy meter decay Sasser jamming immunity tester, for detection of the immunity to interference of intelligent electric energy meter to the decay Sasser, it is characterized in that, this device comprises surge generator, coupling/decoupling network, voltage source and current source, described surge generator connects tested electric energy meter by coupling/decoupling network, and described voltage source is connected with voltage circuit and the current circuit of tested electric energy meter respectively with current source.
2. a kind of intelligent electric energy meter decay Sasser jamming immunity tester according to claim 1 is characterized in that the coupling scheme of described coupling/decoupling network are common mode and differential mode.
3. a kind of intelligent electric energy meter decay Sasser jamming immunity tester according to claim 1 is characterized in that described tested electric energy meter is located on the operator's console by insulator foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149538 CN203178479U (en) | 2013-03-28 | 2013-03-28 | Attenuation shockwave immunity test device for intelligent electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149538 CN203178479U (en) | 2013-03-28 | 2013-03-28 | Attenuation shockwave immunity test device for intelligent electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178479U true CN203178479U (en) | 2013-09-04 |
Family
ID=49075157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320149538 Expired - Lifetime CN203178479U (en) | 2013-03-28 | 2013-03-28 | Attenuation shockwave immunity test device for intelligent electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203178479U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558580A (en) * | 2013-11-14 | 2014-02-05 | 国家电网公司 | System and method for detecting surge immunity of electric energy meter |
| CN106093834A (en) * | 2016-06-06 | 2016-11-09 | 宁波三星医疗电气股份有限公司 | A kind of Stress superposition test platform based on table |
| CN108594158A (en) * | 2018-02-09 | 2018-09-28 | 浙江迅驰科技有限公司 | DM EMI experimental rig and method |
-
2013
- 2013-03-28 CN CN 201320149538 patent/CN203178479U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558580A (en) * | 2013-11-14 | 2014-02-05 | 国家电网公司 | System and method for detecting surge immunity of electric energy meter |
| CN106093834A (en) * | 2016-06-06 | 2016-11-09 | 宁波三星医疗电气股份有限公司 | A kind of Stress superposition test platform based on table |
| CN108594158A (en) * | 2018-02-09 | 2018-09-28 | 浙江迅驰科技有限公司 | DM EMI experimental rig and method |
| CN108594158B (en) * | 2018-02-09 | 2023-09-29 | 浙江迅驰科技有限公司 | Differential mode interference test device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |