CN203178474U - Intelligent electric-energy-meter fast transient pulse group test equipment - Google Patents

Intelligent electric-energy-meter fast transient pulse group test equipment Download PDF

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Publication number
CN203178474U
CN203178474U CN 201320149254 CN201320149254U CN203178474U CN 203178474 U CN203178474 U CN 203178474U CN 201320149254 CN201320149254 CN 201320149254 CN 201320149254 U CN201320149254 U CN 201320149254U CN 203178474 U CN203178474 U CN 203178474U
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CN
China
Prior art keywords
intelligent electric
electric energy
energy meter
fast transient
transient pulse
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Active
Application number
CN 201320149254
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Chinese (zh)
Inventor
关宏
朱彬若
张垠
王新刚
沈滢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
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State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
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Priority to CN 201320149254 priority Critical patent/CN203178474U/en
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Abstract

The utility model relates to intelligent electric-energy-meter fast transient pulse group test equipment used to detect accuracy of the intelligent electric energy meter under a fast transient pulse group. The equipment comprises an operating console, a coupler, a voltage source, a current source and a pulse generator. The intelligent electric energy meter is arranged on the operating console. The coupler is arranged on the operating console. The coupler is connected with the intelligent electric energy meter through a cable. The voltage source is connected with the intelligent electric energy meter and the coupler respectively. The current source is connected with the intelligent electric energy meter. One end of the pulse generator is connected with the coupler and the other end is grounded. Compared to the prior art, by using the equipment of the utility model, the structure is simple and an operation is convenient; the accuracy of the intelligent electric energy meter under the fast transient pulse group can be accurately detected.

Description

A kind of intelligent electric energy meter fast transient pulse train testing equipment
Technical field
The utility model relates to a kind of electric energy meter testing equipment, especially relates to a kind of intelligent electric energy meter fast transient pulse train testing equipment.
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 electric energy meter product causes the test (being the test of the pulse train amount of influence) that accuracy changes under pulse train disturbs at present, ordinary test device complexity, test operation is loaded down with trivial details, and it is simple to seek a kind of device, and easy to operate intelligent electric energy meter fast transient pulse train testing equipment just seems very important.
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, intelligent electric energy meter fast transient pulse train testing equipment accurately.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of intelligent electric energy meter fast transient pulse train testing equipment, for detection of the accuracy of intelligent electric energy meter under the fast transient pulse train, this equipment comprises operator's console, coupling mechanism, voltage source, current source and pulse producer, described intelligent electric energy meter is located on the operator's console, described coupling mechanism is located on the operator's console, coupling mechanism is connected by cable with intelligent electric energy meter, described voltage source is connected with intelligent electric energy meter and coupling mechanism respectively, described current source is connected with intelligent electric energy meter, one end of described pulse producer is connected with coupling mechanism, and the other end of pulse producer connects ground.
Separate by aluminium sheet and insulator foot between described intelligent electric energy meter and the operator's console.
Be that intelligent electric energy meter voltage circuit to be measured, auxiliary line pass to reference voltage by voltage source and current source, current circuit passes to fundamental current, respectively in power factor 1.0 and 0.5L two point measurement errors.
Clamp-pulse generator sends undesired signal, and undesired signal acts on respectively on voltage circuit, current circuit and the auxiliary line in the common mode mode.Voltage circuit and current circuit interference voltage 4kV, reference voltage surpasses the auxiliary line interference voltage 2kV of 40V; Each polarity applies 60s, measures the identical point error under disturbed condition; The change of error should be in the limit of respective standard regulation.Function or performance have of short duration reduction or lose and allow at the trial.The accuracy of an instrument should be in the limit of respective standard regulation.
Compared with prior art, the utility model is simple in structure, easy to operate, can detect the accuracy of intelligent electric energy meter under the fast transient pulse train accurately.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure, 1 is operator's console, and 2 is intelligent electric energy meter, and 3 is coupling mechanism, and 4 is pulse producer, and 5 is voltage source, and 6 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 fast transient pulse train testing equipment, as shown in Figure 1, for detection of the accuracy of intelligent electric energy meter 2 under the fast transient pulse train, this equipment comprises operator's console 1, coupling mechanism 3, voltage source 5, current source 6 and pulse producer 4, intelligent electric energy meter 2 is located on the operator's console 1 by aluminium sheet and insulator foot, coupling mechanism 3 is located on the operator's console 1, coupling mechanism 3 and intelligent electric energy meter 2 are connected by cable, voltage source 5 is connected with intelligent electric energy meter 2 and coupling mechanism 3 respectively, current source 6 is connected with intelligent electric energy meter 2, one end of pulse producer 4 is connected with coupling mechanism 3, and the other end of pulse producer 4 connects ground.
Pass to reference voltage by voltage source 5 and current source 6 for intelligent electric energy meter 2 voltage circuits to be measured, auxiliary line, current circuit passes to fundamental current, respectively in power factor 1.0 and 0.5L two point measurement errors.Clamp-pulse generator 4 sends undesired signal, and undesired signal acts on respectively on voltage circuit, current circuit and the auxiliary line in the common mode mode.
Voltage circuit and current circuit interference voltage 4kV, reference voltage surpasses the auxiliary line interference voltage 2kV of 40V; Each polarity applies 60s, measures the identical point error under disturbed condition; The change of error should be in the limit of respective standard regulation.Function or performance have of short duration reduction or lose and allow at the trial.The accuracy of an instrument should be in the limit of respective standard regulation.
The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art are according to announcement of the present utility model, and not breaking away from the improvement that the utility model category makes and revise all should be within protection domain of the present utility model.

Claims (2)

1. intelligent electric energy meter fast transient pulse train testing equipment, for detection of the accuracy of intelligent electric energy meter under the fast transient pulse train, it is characterized in that, this equipment comprises operator's console, coupling mechanism, voltage source, current source and pulse producer, described intelligent electric energy meter is located on the operator's console, described coupling mechanism is located on the operator's console, coupling mechanism is connected by cable with intelligent electric energy meter, described voltage source is connected with intelligent electric energy meter and coupling mechanism respectively, described current source is connected with intelligent electric energy meter, one end of described pulse producer is connected with coupling mechanism, and the other end of pulse producer connects ground.
2. a kind of intelligent electric energy meter fast transient pulse train testing equipment according to claim 1 is characterized in that, separates by aluminium sheet and insulator foot between described intelligent electric energy meter and the operator's console.
CN 201320149254 2013-03-28 2013-03-28 Intelligent electric-energy-meter fast transient pulse group test equipment Active CN203178474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320149254 CN203178474U (en) 2013-03-28 2013-03-28 Intelligent electric-energy-meter fast transient pulse group test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320149254 CN203178474U (en) 2013-03-28 2013-03-28 Intelligent electric-energy-meter fast transient pulse group test equipment

Publications (1)

Publication Number Publication Date
CN203178474U true CN203178474U (en) 2013-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320149254 Active CN203178474U (en) 2013-03-28 2013-03-28 Intelligent electric-energy-meter fast transient pulse group test equipment

Country Status (1)

Country Link
CN (1) CN203178474U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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
CN103616659A (en) * 2013-12-02 2014-03-05 国家电网公司 Automatic reliability test device and method for intelligent ammeters under circumstance of instant voltage interruption
CN105093162A (en) * 2015-08-07 2015-11-25 国家电网公司 Method and device for calibrating measurement error of electric energy meter under pulse train interference condition

Cited By (4)

* Cited by examiner, † Cited by third party
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
CN103616659A (en) * 2013-12-02 2014-03-05 国家电网公司 Automatic reliability test device and method for intelligent ammeters under circumstance of instant voltage interruption
CN103616659B (en) * 2013-12-02 2016-08-17 国家电网公司 Intelligent electric energy meter transient voltage interrupts automatic testing equipment and the method for lower reliability
CN105093162A (en) * 2015-08-07 2015-11-25 国家电网公司 Method and device for calibrating measurement error of electric energy meter under pulse train interference condition

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