CN203191414U - Connection mode converter for transmission line parameter test - Google Patents
Connection mode converter for transmission line parameter test Download PDFInfo
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- CN203191414U CN203191414U CN 201320208002 CN201320208002U CN203191414U CN 203191414 U CN203191414 U CN 203191414U CN 201320208002 CN201320208002 CN 201320208002 CN 201320208002 U CN201320208002 U CN 201320208002U CN 203191414 U CN203191414 U CN 203191414U
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- transmission line
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- parameter
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 238000009413 insulation Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a connection mode converter for a transmission line parameter test. The connection mode converter comprises three input terminals, three output terminals, a ground terminal, an insulation panel and a change-over switch, wherein the three input terminals, the three output terminals, and the ground terminal are arranged on the insulation panel; one end of the change-over switch is connected with the three output terminals to connect a transmission line; the other end of the change-over switch is connected with the input terminals based on requirements of the test to form a connection line of parameters to be measured, or the ground terminal to form a ground circuit; and the change-over switch is provided with a handle. The connection mode converter for the transmission line parameter test is easy to operate; lines can be accurately connected and tested via just an easy turn of the handle, and positive sequence parameters and zero sequence parameters of a high-voltage transmission line can be measured quickly; not only the security during testing is guaranteed, but also the operation is simple and reliable; and thus the work efficiency is improved.
Description
Technical field
The utility model relates to a kind of electric system testing apparatus, particularly relates to a kind of mode of connection converter of transmission line parameter test.
Background technology
Newly-built and the reconstruction ultra-high-tension power transmission line before putting into operation; need the various power frequency parameter values of test; wherein the most normal test be positive order parameter, Zero sequence parameter, to distribute as computing system short-circuit current, relay protection setting, reckoning trend and to select the actual foundation of work such as the reasonable method of operation.At present, the high-tension line parameter test method mainly adopts special high-tension line parameter tester to carry out in circuit head end transformer station, and simultaneously there is staff's operation that cooperatively interacts in line end transformer station.According to different test events, need switch the mode of connection of high-tension line parameter tester.When having induced voltage on the tested circuit, can bring great potential safety hazard to the tester.Present existing test lead mode of connection and device all need rely on the switching manipulation of a plurality of disconnecting links to realize the conversion of the mode of connection, and process is loaded down with trivial details, and is prone to maloperation.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of mode of connection converter of transmission line parameter test, only needs the simple rotation handle can accurately connect the required circuit of test, can record positive order parameter and the Zero sequence parameter of ultra-high-tension power transmission line rapidly.
For this reason, the technical solution of the utility model is as follows:
A kind of mode of connection converter of transmission line parameter test comprises three input terminals, three lead-out terminals, ground terminal, insulating panel and switches; Described three input terminals, three lead-out terminals, ground terminals all are arranged on the insulating panel; One end of switch is connected with three lead-out terminals, connects transmission line of electricity, and the other end need connect and compose parameter connection line to be measured with described input terminal according to test, or connects and composes grounding circuit with described ground terminal; Described switch is provided with handle.
Described parameter to be measured make a comment or criticism order parameter or Zero sequence parameter.
Described handle can drive switch and connect positive order parameter, Zero sequence parameter measurement circuit or ground path respectively, and handle is installed on the insulating panel.
The mode of connection converter of this transmission line parameter test, method of operating is simple, only needs the simple rotation handle can accurately connect the required circuit of test, can record positive order parameter and the Zero sequence parameter of ultra-high-tension power transmission line rapidly.Both guaranteed the security of test, made again that operation is simple and reliable, improved work efficiency.
Description of drawings
Fig. 1 is the structural representation of the mode of connection converter of the utility model transmission line parameter test;
Fig. 2 is the inner structure synoptic diagram of the mode of connection converter of the utility model transmission line parameter test.
Among the figure: the 1-input terminal; The 2-lead-out terminal; The 3-ground terminal; The 4-insulating panel; The 5-handle; The 6-switch; The 7-transmission line of electricity; 8-line parameter circuit value tester.
Embodiment
Be elaborated below in conjunction with the structure of drawings and the specific embodiments to the mode of connection converter of transmission line parameter test of the present utility model.
Referring to Fig. 1 and Fig. 2, the mode of connection converter of the disclosed transmission line parameter test of the utility model comprises three input terminals 1, three lead-out terminals 2, ground terminal 3, insulating panel 4 and switches 6; Insulating panel 4 is provided with three input terminals 1, three lead-out terminals 2 and ground terminal 3, ground terminal 3 ground connection; One end of switch 6 is connected with described three lead-out terminals 2, and lead-out terminal 2 links to each other with transmission line of electricity 7, connects transmission line of electricity; The other end of switch need connect and compose parameter connection line to be measured with input terminal 1 according to test, or connects and composes ground path with described ground terminal 3; Described switch 6 is provided with handle 5.
Described parameter to be measured make a comment or criticism order parameter or Zero sequence parameter.
Described handle 5 can drive switch 6 and connect positive order parameter, Zero sequence parameter measurement circuit or ground path respectively, and handle 5 is installed on the insulating panel 4.
The using method of the mode of connection converter of this transmission line parameter test is as follows:
1) with ground terminal 3 ground connection;
2) turning handle 5 drives switch 6 and connects the ground connection connection line, makes equipment ground;
3) input terminal 1 is linked to each other with line parameter circuit value tester 8, lead-out terminal 2 links to each other with transmission line of electricity 7;
4) turning handle 5 drives switch 6 and connects positive order parameter connection line, the positive order parameter of test transmission line of electricity;
5) turning handle 5 drives switch 6 and connects the ground connection connection line, discharges the circuit residual charge, prevents that operating personnel from getting an electric shock;
6) turning handle 5 drives the logical Zero sequence parameter connection line of switch 6 connections, the Zero sequence parameter of test transmission line of electricity;
7) turning handle 5 drives switch 6 and connects the ground connection connection line, discharges the circuit residual charge;
8) finish test after, keep switch 6 to connect the ground connection connection line, at first remove the line between input terminal 1 and the line parameter circuit value tester 8, remove the line between lead-out terminal 2 and the transmission line of electricity 7 then, remove the line between ground terminal 3 and the earth at last.
The mode of connection converter of this transmission line parameter test, method of operating is simple, only needs the simple rotation handle can accurately connect the required circuit of test, can record positive order parameter and the Zero sequence parameter of ultra-high-tension power transmission line rapidly.Both guaranteed the security of test, made again that operation is simple and reliable, improved work efficiency.
Claims (1)
1. the mode of connection converter of a transmission line parameter test is characterized in that: comprise three input terminals (1), three lead-out terminals (2), ground terminal (3), insulating panel (4) and switch (6); Described three input terminals (1), three lead-out terminals (2) and ground terminal (3) all are arranged on the described insulating panel (4); One end of described switch (6) is connected with described three lead-out terminals (2), and the other end need connect and compose parameter connection line to be measured with described input terminal (1) according to test, or connects and composes grounding circuit with described ground terminal (3); Described switch (6) is provided with handle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208002 CN203191414U (en) | 2013-04-23 | 2013-04-23 | Connection mode converter for transmission line parameter test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208002 CN203191414U (en) | 2013-04-23 | 2013-04-23 | Connection mode converter for transmission line parameter test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191414U true CN203191414U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320208002 Expired - Fee Related CN203191414U (en) | 2013-04-23 | 2013-04-23 | Connection mode converter for transmission line parameter test |
Country Status (1)
| Country | Link |
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| CN (1) | CN203191414U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501558A (en) * | 2016-09-22 | 2017-03-15 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of safe mode of connection during electric power transmission line parameter testing |
| CN107643426A (en) * | 2016-07-20 | 2018-01-30 | 国网辽宁省电力有限公司丹东供电公司 | Control cabinet for transmission line parameter test lead |
| CN110895296A (en) * | 2019-12-03 | 2020-03-20 | 天津送变电工程有限公司 | Relay protection test conversion device and method |
-
2013
- 2013-04-23 CN CN 201320208002 patent/CN203191414U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643426A (en) * | 2016-07-20 | 2018-01-30 | 国网辽宁省电力有限公司丹东供电公司 | Control cabinet for transmission line parameter test lead |
| CN106501558A (en) * | 2016-09-22 | 2017-03-15 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of safe mode of connection during electric power transmission line parameter testing |
| CN110895296A (en) * | 2019-12-03 | 2020-03-20 | 天津送变电工程有限公司 | Relay protection test conversion device and method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20200423 |