CN205103361U - High voltage electric energy metering device detector of working a telephone switchboard - Google Patents

High voltage electric energy metering device detector of working a telephone switchboard Download PDF

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Publication number
CN205103361U
CN205103361U CN201520894112.6U CN201520894112U CN205103361U CN 205103361 U CN205103361 U CN 205103361U CN 201520894112 U CN201520894112 U CN 201520894112U CN 205103361 U CN205103361 U CN 205103361U
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CN
China
Prior art keywords
transformer
electric energy
phase
voltage
energy meter
Prior art date
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Active
Application number
CN201520894112.6U
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Chinese (zh)
Inventor
庄强
孙东
王�锋
金琳
李思同
匡荣
赵静
燕迎祥
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
Rizhao Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Rizhao Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Rizhao Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520894112.6U priority Critical patent/CN205103361U/en
Application granted granted Critical
Publication of CN205103361U publication Critical patent/CN205103361U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a high voltage electric energy metering device detector of working a telephone switchboard, it relates to electric energy equipment technical field, a transformer, the measurement voltage transformer all install in the exchangeable cabinet of high pressure, the internally mounted of ampere meter case has the electric energy meter, the three -phase voltage output end of three -phase power source is connected with the one end of transformer, the U of three -phase power source, the W looks current output terminal be connected with load side, the one end of transformer respectively with the U of mains side, V, W is connected, the U of mains side, W goes up mutually and all installs measurement voltage transformer, the other end of transformer passes through the secondary circuit cable and is connected with the electric energy meter, three -phase diagram outward appearance bit map's collection three -phase voltage input end and clip on ammeter gather electric current signal input part and all are connected with the electric energy meter, the utility model discloses can inspect under not electrified state whether correct the massive quantity power supply metering device wiring is, it is accurate, quick to measure, also can judge measurement voltage, current transformer transformation ratio.

Description

A kind of high-voltage electric-energy meter wiring check instrument
Technical field
The utility model relates to a kind of high-voltage electric-energy meter wiring check instrument, belongs to electric energy device technical field.
Background technology
Inconvenient when prior art checks that under not electriferous state whether the wiring of massive quantity power supply and measurement measuring apparatus is correct, and measure inaccurate, and can not judge metered voltage, current transformer ratio, complicated operation.
Utility model content
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of high-voltage electric-energy meter wiring check instrument.
A kind of high-voltage electric-energy meter wiring check instrument of the present utility model, it comprises three phase power source, triphasic configuration phase meter, reometer case, high pressure mutual inductance cabinet, electric energy meter, transformer, metered voltage mutual inductor, transformer, metered voltage mutual inductor is installed in high pressure mutual inductance cabinet, the inside of reometer case is provided with electric energy meter, the three-phase voltage output terminal of three phase power source is connected with one end of transformer, the U of three phase power source, W phase current output terminal is connected with load side, one end of transformer respectively with the U of mains side, V, W is connected, the U of mains side, W phase is all provided with metered voltage mutual inductor, the other end of transformer is connected with electric energy meter by secondary circuit cable, collection three-phase voltage input end and the clamp on amperemeter of triphasic configuration phase meter gather current signal input end and are all connected with electric energy meter.
The beneficial effects of the utility model are: can check under not electriferous state that whether the wiring of massive quantity power supply and measurement measuring apparatus is correct, measures accurately, fast, also can judge metered voltage, current transformer ratio.
Accompanying drawing explanation
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of three phase power source in the utility model;
Fig. 3 is the schematic diagram of triphasic configuration phase meter in the utility model.
In figure: 1-three phase power source; 2-triphasic configuration phase meter; 3-reometer case; 4-high pressure mutual inductance cabinet; 5-electric energy meter; TV-transformer; TA-metered voltage mutual inductor.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by the specific embodiment shown in accompanying drawing, the utility model is described.But should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
As Figure 1-3, this embodiment by the following technical solutions: it comprises three phase power source 1, triphasic configuration phase meter 2, reometer case 3, high pressure mutual inductance cabinet 4, electric energy meter 5, transformer TV, metered voltage mutual inductor TA, transformer TV, metered voltage mutual inductor TA is installed in high pressure mutual inductance cabinet 4, the inside of reometer case 3 is provided with electric energy meter 5, the three-phase voltage output terminal of three phase power source 1 is connected with one end of transformer TV, the U of three phase power source 1, W phase current output terminal is connected with load side, one end of transformer TV respectively with the U of mains side, V, W is connected, the U of mains side, W phase is all provided with metered voltage mutual inductor TA, the other end of transformer TV is connected with electric energy meter 5 by secondary circuit cable, collection three-phase voltage input end and the clamp on amperemeter of triphasic configuration phase meter 2 gather current signal input end and are all connected with electric energy meter 5.
The principle of work of this embodiment is: apply 100V three phase sine alternating voltage by power source at the voltage transformer (VT) primary side of high-voltage meter, 5A alternating current is applied at current transformer primary side, the voltage and current at Host Detection connection box of electric energy meter terminal place, voltage transformer (VT) no-load voltage ratio as 10kV is 10kV/0.1kV, the voltage of 1V then should be recorded at electric energy meter voltage wiring terminal place, the no-load voltage ratio of current transformer is 50/5, then clamp on amperemeter records the electric current of 0.5A in electric energy meter current loop, according to the voltage of main frame display, electric current phasor figure, if with the phase place that power source exports is basically identical, then wiring is correct, and combine the voltage recorded, current value can examine voltage by relational expression calculating below, the no-load voltage ratio of current transformer,
This embodiment has following features:
One, the cooperation of three phase power source 1, triphasic configuration phase meter 2, can judge that whether the high-voltage meter wiring under power down mode is correct, and can judge metered voltage, current transformer ratio.
Two, be used alone main frame to close, can judge that whether the high-voltage meter wiring under charging operation state is correct.
Main application: the wiring check after high-voltage meter new clothes, change under power down mode; Wiring check under high-voltage meter charging operation state.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (1)

1. a high-voltage electric-energy meter wiring check instrument, is characterized in that: it comprises three phase power source, triphasic configuration phase meter, reometer case, high pressure mutual inductance cabinet, electric energy meter, transformer, metered voltage mutual inductor, transformer, metered voltage mutual inductor is installed in high pressure mutual inductance cabinet, the inside of reometer case is provided with electric energy meter, the three-phase voltage output terminal of three phase power source is connected with one end of transformer, the U of three phase power source, W phase current output terminal is connected with load side, one end of transformer respectively with the U of mains side, V, W is connected, the U of mains side, W phase is all provided with metered voltage mutual inductor, the other end of transformer is connected with electric energy meter by secondary circuit cable, collection three-phase voltage input end and the clamp on amperemeter of triphasic configuration phase meter gather current signal input end and are all connected with electric energy meter.
CN201520894112.6U 2015-11-11 2015-11-11 High voltage electric energy metering device detector of working a telephone switchboard Active CN205103361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520894112.6U CN205103361U (en) 2015-11-11 2015-11-11 High voltage electric energy metering device detector of working a telephone switchboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520894112.6U CN205103361U (en) 2015-11-11 2015-11-11 High voltage electric energy metering device detector of working a telephone switchboard

Publications (1)

Publication Number Publication Date
CN205103361U true CN205103361U (en) 2016-03-23

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Country Status (1)

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CN (1) CN205103361U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107102289A (en) * 2017-06-19 2017-08-29 云南电网有限责任公司曲靖供电局 A kind of measurement loop wiring error determination methods and device
CN107748346A (en) * 2017-10-11 2018-03-02 国网江西省电力公司电力科学研究院 A kind of high voltage electric energy error detection method under load containing DC component
CN107918036A (en) * 2017-12-21 2018-04-17 江苏丽阳电子仪表有限公司 A kind of mounting process of single-phase intelligent ammeter
CN109917322A (en) * 2019-04-08 2019-06-21 珠海市华优电气技术有限公司 A kind of method of pair of electric energy metering device detection
CN112363090A (en) * 2020-09-27 2021-02-12 广东电网有限责任公司 Metering secondary circuit wiring test method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107102289A (en) * 2017-06-19 2017-08-29 云南电网有限责任公司曲靖供电局 A kind of measurement loop wiring error determination methods and device
CN107102289B (en) * 2017-06-19 2019-10-22 云南电网有限责任公司曲靖供电局 A kind of measurement loop wiring error judgment method and device
CN107748346A (en) * 2017-10-11 2018-03-02 国网江西省电力公司电力科学研究院 A kind of high voltage electric energy error detection method under load containing DC component
CN107918036A (en) * 2017-12-21 2018-04-17 江苏丽阳电子仪表有限公司 A kind of mounting process of single-phase intelligent ammeter
CN109917322A (en) * 2019-04-08 2019-06-21 珠海市华优电气技术有限公司 A kind of method of pair of electric energy metering device detection
CN112363090A (en) * 2020-09-27 2021-02-12 广东电网有限责任公司 Metering secondary circuit wiring test method

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