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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- transformer
- electric energy
- phase
- voltage
- energy meter
- 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.)
- Active
Links
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010587 phase diagram Methods 0.000 abstract 1
- 230000001131 transforming Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
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
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.
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 |
Family
ID=55519137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520894112.6U Active CN205103361U (en) | 2015-11-11 | 2015-11-11 | High voltage electric energy metering device detector of working a telephone switchboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205103361U (en) |
Cited By (6)
| 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 |
| CN113325355A (en) * | 2021-04-25 | 2021-08-31 | 国网浙江海盐县供电有限公司 | Portable on-site three-phase mutual inductor wiring judgment device |
-
2015
- 2015-11-11 CN CN201520894112.6U patent/CN205103361U/en active Active
Cited By (7)
| 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 |
| CN113325355A (en) * | 2021-04-25 | 2021-08-31 | 国网浙江海盐县供电有限公司 | Portable on-site three-phase mutual inductor wiring judgment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205103361U (en) | High voltage electric energy metering device detector of working a telephone switchboard | |
| WO2012059061A1 (en) | Method and device for quality-monitoring of high-voltage electrical energy | |
| CN103063895B (en) | Pliers-shaped anti-interference current transformer and transformer iron core grounding current testing system | |
| CN102788902B (en) | High-voltage transmission line power frequency parameter actual measuring device capable of resisting against high-induced voltage interference | |
| CN104931914A (en) | Analog field high voltage energy meter calibration system | |
| CN203981796U (en) | The transmission line power frequency parameter test instrument that the anti-high induction voltage of electronic type disturbs | |
| CN103954869B (en) | Cable power frequency parameter testing device based on PXI system | |
| CN201281729Y (en) | Grounding resistance tester | |
| CN103439682B (en) | A kind of portable type current transformer combination misalignment proving installation is adopted to carry out the method for methods of composite errors on current transformer test | |
| CN109406907A (en) | High-impedance transformer simulates on-load through-flow test device and test method | |
| CN203894346U (en) | Cable power frequency parameter testing apparatus | |
| CN202256525U (en) | Device for testing parameters of high-voltage circuit | |
| CN104034977A (en) | Capacitive voltage transformer electrified detector | |
| CN107102201A (en) | A kind of integrated high-pressure electric power meter | |
| CN202870169U (en) | Anti-high induced voltage interference actual measurement device for power frequency parameters of high voltage transmission line | |
| CN203216967U (en) | Pliers-shaped anti-interference current transformer and transformer iron core grounding current testing system | |
| CN203224553U (en) | Sampling integral jaw-shaped AC active current meter | |
| CN208350908U (en) | A kind of device measuring Zinc-Oxide Arrester electric property | |
| CN204065400U (en) | High-voltage electric energy meter on-site calibrator | |
| CN203069683U (en) | Online transformer transformation ratio testing device | |
| CN202929193U (en) | Integrated error verification system for electric energy meter | |
| CN205920211U (en) | Portable capacitive on -line monitoring sensor tester | |
| CN203224555U (en) | Sampling integral jaw-shape AC reactive-current meter | |
| CN204228830U (en) | A kind of pick-up unit for power distribution network ground capacity | |
| CN203949963U (en) | A kind of two pincers digit phase volt ampere meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |