CN204631158U - Circuit power frequency parameter alien frequencies proving installation - Google Patents
Circuit power frequency parameter alien frequencies proving installation Download PDFInfo
- Publication number
- CN204631158U CN204631158U CN201520279900.4U CN201520279900U CN204631158U CN 204631158 U CN204631158 U CN 204631158U CN 201520279900 U CN201520279900 U CN 201520279900U CN 204631158 U CN204631158 U CN 204631158U
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- China
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- sampling circuit
- interference
- control mainboard
- output device
- proving installation
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Abstract
The utility model relates to a kind of circuit power frequency parameter alien frequencies proving installation, comprise anti-interference transformer, single-phase anti-interference variable-frequency power sources, current sampling circuit, voltage sampling circuit, control mainboard and input-output device, the anti-interference variable-frequency power sources of individual event is connected before described anti-interference transformer, connect current sampling circuit and voltage sampling circuit below, the anti-interference variable-frequency power sources of described individual event, current sampling circuit and voltage sampling circuit are all connected with control mainboard, described control mainboard is connected with input-output device, described input-output device comprises button, LCDs, printer and PORT COM.Different-frequency measure device anti-interference current of the present utility model is large, volume is little, lightweight, simple to operate, can eliminate the impact of Hz noise, the line parameter circuit value measurement data accuracy of acquisition is high.
Description
Technical field
The utility model belongs to ultra-high-tension power transmission line field, is specifically related to a kind of circuit power frequency parameter alien frequencies proving installation.
Background technology
As important component part in electric system, the power frequency parameter of transmission line of electricity needs accurately to be measured.But due to the impact of the factors such as geography, environment, many circuits interfere with each other, the problem such as high induction voltage, large induction current can be produced between circuit, make the data measured inaccurate.
Usually power frequency method or alien frequencies method is used at present on measurement ultra-high-tension power transmission line power frequency parameter.Power frequency method needs to use powerful transformer, pressure regulator, and the volume and weight of testing tool is very huge, and test process is loaded down with trivial details.Alien frequencies method comparatively power frequency method is good, but all uses a three-phase transformer or three single transformers at present, and the weight of equipment that anti-interference current is large is sunk, heavy; Lightweight, anti-interference current is little.Or wiring is more and complicated, can not be full-automatic.
Summary of the invention
It is simple, lightweight that the purpose of this utility model is to provide a kind of wiring, and anti-interference current is large, the circuit power frequency parameter alien frequencies proving installation all automatically measured.
The utility model solves the technical scheme that its technical matters adopts: circuit power frequency parameter alien frequencies proving installation, comprise anti-interference transformer, single-phase anti-interference variable-frequency power sources, current sampling circuit, voltage sampling circuit, control mainboard and input-output device, the anti-interference variable-frequency power sources of individual event is connected before described anti-interference transformer, connect current sampling circuit and voltage sampling circuit below, the anti-interference variable-frequency power sources of described individual event, current sampling circuit and voltage sampling circuit are all connected with control mainboard, described control mainboard is connected with input-output device, described input-output device comprises button, LCDs, printer and PORT COM.
Particularly, described button, LCDs, printer, PORT COM are all arranged on the panel of alien frequencies proving installation, and described panel is also provided with and suddenly stops button and pilot lamp, described urgency is stopped button and is connected with control mainboard with pilot lamp.
Alien frequencies proving installation of the present utility model adopts integral structure, and built-in single-phase anti-interference variable-frequency power sources can export the voltage of non-power frequency, by the powerful interference of using the analytical calculation of fourier method can eliminate on-the-spot power frequency, obtains measurement data accurately.
The utility model has following beneficial effect: different-frequency measure device anti-interference current of the present utility model is large, volume is little, lightweight, simple to operate, and can eliminate the impact of Hz noise, the line parameter circuit value measurement data accuracy of acquisition is high.
Accompanying drawing explanation
Fig. 1 is theory structure schematic diagram of the present utility model;
Fig. 2 is instrument panel schematic diagram of the present utility model;
Fig. 3 is the wiring diagram of embodiment one of the present utility model;
Fig. 4 is the wiring diagram of embodiment two of the present utility model;
Fig. 5 is the wiring diagram of embodiment three of the present utility model.
In figure, 1, single-phase anti-interference variable-frequency power sources, 2, anti-interference transformer, 3, current sampling circuit, 4, voltage sampling circuit, 5, control mainboard, 6, button, 7, LCDs, 8, printer, 9, PORT COM, 10, anxious stop button, 11, pilot lamp, 12, voltage measurement, 13, instrument exports, 14, test line, 15, opposite end is unsettled, and 16, opposite end ground connection.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.
As Fig. 1, shown in Fig. 2, circuit power frequency parameter alien frequencies proving installation, comprise anti-interference transformer, single-phase anti-interference variable-frequency power sources, current sampling circuit, voltage sampling circuit, control mainboard and input-output device, the anti-interference variable-frequency power sources of individual event is connected before described anti-interference transformer, connect current sampling circuit and voltage sampling circuit below, the anti-interference variable-frequency power sources of described individual event, current sampling circuit and voltage sampling circuit are all connected with control mainboard, described control mainboard is connected with input-output device, described input-output device comprises button, LCDs, printer and PORT COM, described button, LCDs, printer, PORT COM is all arranged on the panel of alien frequencies proving installation, described panel is also provided with and suddenly stops button and pilot lamp, described urgency is stopped button and is connected with control mainboard with pilot lamp.
During measurement, user to be given an order signal to control mainboard 5 by button 6, controlling single-phase anti-interference variable-frequency power sources 1 outputs signal in anti-interference transformer 2, through voltage sampling circuit 4 and current sampling circuit 3, the signal of collection is given and controls mainboard 5, calculate data cases etc. by control mainboard 5 and pass to LCDs 7, next step operation push-button after user sees, can be carried out.After measurement terminates, can be printed by printer 8, or be stored into external memory storage by PORT COM 9.When suddenly stopping button 10 for running into accident in test process, all output of emergency cut-off, makes wiring ground connection, ensures safety.Button 6 part can reset to master control system, input command, and pilot lamp 15 can be used for pointing out situation about going wrong in test.
Fig. 3,4,5 is the wiring diagram of the different situations of parameter tester.Fig. 3 is the wiring of positive sequence electric capacity, the wiring of zero sequence electric capacity, and coupling capacitance measures wiring, and Fig. 4 is positive sequence impedance wiring, zero sequence impedance wiring, and Fig. 5 is that wiring measured by line mutual-inductance.
Before measurement, connect the line by diagram, this proving installation adopts four-wire method connection principle, and instrument wiring is very simple, and inner automatic switchover, completes all measurements, do not need manual intervention, can draw measurement result fast and accurately.
The utility model is not limited to above-mentioned embodiment, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or close technical scheme with the utility model, all falls within protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.
Claims (2)
1. circuit power frequency parameter alien frequencies proving installation, it is characterized in that, comprise anti-interference transformer, single-phase anti-interference variable-frequency power sources, current sampling circuit, voltage sampling circuit, control mainboard and input-output device, the anti-interference variable-frequency power sources of individual event is connected before described anti-interference transformer, connect current sampling circuit and voltage sampling circuit below, the anti-interference variable-frequency power sources of described individual event, current sampling circuit and voltage sampling circuit are all connected with control mainboard, described control mainboard is connected with input-output device, described input-output device comprises button, LCDs, printer and PORT COM.
2. circuit power frequency parameter alien frequencies proving installation according to claim 1, it is characterized in that, described button, LCDs, printer, PORT COM are all arranged on the panel of alien frequencies proving installation, described panel is also provided with and suddenly stops button and pilot lamp, described urgency is stopped button and is connected with control mainboard with pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520279900.4U CN204631158U (en) | 2015-05-04 | 2015-05-04 | Circuit power frequency parameter alien frequencies proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520279900.4U CN204631158U (en) | 2015-05-04 | 2015-05-04 | Circuit power frequency parameter alien frequencies proving installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204631158U true CN204631158U (en) | 2015-09-09 |
Family
ID=54050175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520279900.4U Expired - Fee Related CN204631158U (en) | 2015-05-04 | 2015-05-04 | Circuit power frequency parameter alien frequencies proving installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204631158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777390A (en) * | 2015-05-04 | 2015-07-15 | 山东达顺电子科技有限公司 | Pilot frequency testing device for power-frequency parameters of line |
-
2015
- 2015-05-04 CN CN201520279900.4U patent/CN204631158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777390A (en) * | 2015-05-04 | 2015-07-15 | 山东达顺电子科技有限公司 | Pilot frequency testing device for power-frequency parameters of line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |