CN105203882A - Movable type voltage merging unit calibration instrument for intelligent substation - Google Patents
Movable type voltage merging unit calibration instrument for intelligent substation Download PDFInfo
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- CN105203882A CN105203882A CN201510609916.1A CN201510609916A CN105203882A CN 105203882 A CN105203882 A CN 105203882A CN 201510609916 A CN201510609916 A CN 201510609916A CN 105203882 A CN105203882 A CN 105203882A
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- merge cells
- intelligent substation
- merging unit
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Abstract
The invention discloses a movable type voltage merging unit calibration instrument for an intelligent substation. The movable type voltage merging unit calibration instrument is used for the intelligent substation to calibrate a voltage merging unit and a current merging unit. The movable type voltage merging unit calibration instrument comprises a trolley, the test voltage merging unit arranged on the trolley, an optical connecting box connected with the test voltage merging unit through an optical fiber, a connecting terminal row connected with the test voltage merging unit through an electric wire and a rectifier power supply connected with the connecting terminal row through an electric wire. According to the movable type voltage merging unit calibration instrument for the intelligent substation, long-distance wiring is not needed, single current merging unit is calibrated, and therefore normal work of other current merging units is not influenced.
Description
Technical field
The present invention relates to a kind of voltage merge cells tester, in particular for the tester of intelligent substation calibration voltage merge cells and electric current merge cells.
Background technology
Along with the penetration and promotion of intelligent substation, electronic current mutual inductor (ECT) and optic current transformer (OCT) start to use in a large number.Along with the progress of technology, the various technical schemes of intelligent substation are also at diversified development.Present stage, intelligent substation had a kind of technical scheme adopting routine transformer to add merge cells to start large area penetration and promotion because of mature and reliable.
Routine transformer is adopted to add the technical scheme of the intelligent substation of merge cells, when secondary device device verifies and available microcomputer digit check instrument carry out verifying conventional Microcomputer Protection tester also can be adopted to verify, adopting digit check instrument to carry out verification is carry out device verification in merge cells rear end by intelligent substation digit check instrument output optical fibre message information; And to adopt conventional Microcomputer Protection tester to carry out verification be can be verified by conventional Microcomputer Protection tester output AC analog quantity in electric current, voltage merge cells front end.Can carry out the second method of calibration is the obvious feature that technical scheme that intelligent substation routine transformer adds merge cells is different from other technologies scheme.Can be included by merge cells when device verifies on the one hand after adopting first scheme, device verification is comparatively comprehensive; This kind of method of calibration and the difference of conventional substation protective calibration are not quite on the other hand, and the easy left-hand seat of maintainer, equipment is easy to safeguard.
But, adopt routine transformer to add the technical scheme of merge cells for intelligent substation, also occurred some new problems.Protective device such as the high voltage electric equipment of more than 110kV often needs multiple merge cells to provide of ac information, such as, need electric current merge cells to provide ac flow information, needs voltage merge cells to provide voltage of ac information.The of ac information that above-mentioned electric current, voltage amalgamated unit provide constitutes the directive protective device of band jointly.But what these amalgamated units often disperseed is arranged in outdoor everywhere, such as electric current merge cells is often near this interval, and voltage merge cells is often near voltage transformer (VT) interval.Distance between the two tens meters at least, rice up to a hundred at most.If now want to carry out verifying, need the voltage of common microcomputer calibrating instrument or current testing line to extend, tens can be extended under extreme case to rice up to a hundred.In this case cause site test wiring complicated on the one hand, workflow is loaded down with trivial details; Also there is potential safety hazard in longer test connecting line on the other hand; And longer test wire easily causes the deviation of test figure under being arranged in strong magnetic field circumstance.
Summary of the invention
The present invention is to provide a kind of intelligent substation packaged type voltage merge cells tester, replaces transformer substation voltage merge cells with the voltage merge cells of test.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Intelligent substation packaged type voltage merge cells tester, comprise dolly, the test electricity consumption pressure merge cells be arranged on dolly, the optical Fiber Closure of press merge cells to be connected with test electricity consumption by optical fiber, connecting terminal block, the rectifier power source that is connected with connecting terminal block by electric wire of pressing merge cells to be connected with test electricity consumption by electric wire, described test electricity consumption presses merge cells to comprise board, CPU
Further improvement of the present invention is: described dolly comprises plate shaped vehicle body, is arranged on four universal wheels of body bottom section and is arranged on the handle of body structure.
Further improvement of the present invention is: optical Fiber Closure arranges some wiring flanges.
Further improvement of the present invention is: the board model of described test electricity consumption pressure merge cells is identical with CPU model with the voltage merge cells board model in intelligent substation with CPU model.
Further improvement of the present invention is: described connecting terminal block and test electricity consumption are pressed between merge cells and arranged air switch.
Further improvement of the present invention is: described connecting terminal block arranges air switch with on the electric wire be connected between rectifier power source.
Owing to have employed technique scheme, the technical progress acquired by the present invention is:
Intelligent substation packaged type voltage merge cells tester of the present invention, can be used in the verification of intelligent substation electric current merge cells, do not need the wiring of long distance, single current merge cells is verified, do not affect the normal work of other electric current merge cellses.
The voltage merge cells that test electricity consumption pressure merge cells of the present invention can replace transformer station to be fixedly installed is connected with electric current merge cells, voltage merges the voltage exchange of information that voltage exports, without the voltage merge cells that Zai Jie transformer station is fixing, avoid complicated wiring process, the error that the wiring simultaneously avoiding long distance causes high-intensity magnetic field interference etc. to bring.
Dolly of the present invention can hold inspection machine, facilitates movement and the carrying of equipment, saves manpower.
Optical Fiber Closure of the present invention, test electricity consumption pressure merge cells is connected with tested electric current merge cells by optical Fiber Closure, avoid optical fiber directly plug in the optical fiber socket of voltage merge cells, preventing frequently plugging optical fiber causes optical fiber interface to damage, and improves the serviceable life of test electricity consumption pressure merge cells.
Rectifier power source of the present invention is that alternating current is converted to direct current, for invention provides the power supply of safety and stability.
Air switch of the present invention can proterctive equipment, voltage instability timing in the course of the work, and air switch can not burnt by proterctive equipment, ensures normally carrying out of verifying work, ensures the personal safety of equipment of the present invention and staff.
Accompanying drawing explanation
Fig. 1 is anatomical connectivity schematic diagram of the present invention;
Fig. 2 is structure schematic side view of the present invention;
Wherein: 1, dolly, 1-1, vehicle body, 1-2, handle, 1-3, universal wheel, 2, test electricity consumption pressure merge cells, 3, optical Fiber Closure, 3-1, wiring flange, 4, connecting terminal block, 5, rectifier power source, 6, air switch.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details:
Intelligent substation packaged type voltage merge cells tester, comprises dolly 1, test electricity consumption pressure merge cells 2, optical Fiber Closure 3, connecting terminal block 4 and rectifier power source 5.Dolly 1 comprises vehicle body 1-1, universal wheel 1-3 and handle 1-2, and vehicle body 1-1 is plate shaped; The quantity of universal wheel 1-3 is 4, is arranged on vehicle body 1-1 bottom; Handle 1-2 is used for handled easily personnel to be promoted or pulls dolly 1, and handle 1-2 is arranged on vehicle body 1-1 front end or rear end.
Test electricity consumption pressure merge cells 2 comprises board, CPU etc., for the hard-wired voltage merge cells of simulated intelligence transformer station, verifies electric current merge cells.The optical fiber interface of test electricity consumption pressure merge cells 2 is by Fiber connection optical Fiber Closure 3, during verification, the fiber-optic output mouth of electric current merge cells is connected on optical Fiber Closure 3, avoid optical fiber directly plug in the optical fiber socket of voltage merge cells, preventing frequently plugging optical fiber causes optical fiber interface to damage, and improves the serviceable life of test electricity consumption pressure merge cells 2.
Test electricity consumption pressure merge cells 2 connects connecting terminal block 4, and test electricity consumption pressure merge cells 2 is connected by electric wire with between connecting terminal block 4, and connecting terminal block 4 connects rectifier power source 5 by electric wire,
The optical Fiber Closure 3 of be arranged on the test electricity consumption pressure merge cells 2 on dolly 1, press merge cells 2 to be connected with test electricity consumption by optical fiber, by electric wire and connecting terminal block 4, the rectifier power source 5 that is connected with connecting terminal block 4 by electric wire testing electricity consumption and press merge cells 2 to be connected, described test electricity consumption presses the board of merge cells 2, CPU identical with CPU model with the voltage merge cells board model in intelligent substation.
Described dolly 1 comprises plate shaped vehicle body 1-1, is arranged on four universal wheel 1-3 of vehicle body 1-1 bottom and is arranged on the handle 1-2 of vehicle body 1-1 front end.
Optical Fiber Closure 3 arranges some wiring flange 3-1.
Connecting terminal block 4 and test electricity consumption are pressed between merge cells 2 and are arranged air switch 6.Air switch 6 is set between connecting terminal block 4 and rectifier power source 5.Air switch 6 can proterctive equipment, voltage instability timing in the course of the work, and air switch 6 can not burnt by proterctive equipment, ensures normally carrying out of verifying work, ensures the personal safety of equipment of the present invention and staff.
During test, the present invention moved near the spacing current merge cells needing verification by dolly 1.Rectifier power source 5 is connected transformer station's AC power; The optical fiber stern fast voltage merge cells of substation operation being cascaded to the spacing current merge cells needing verification disconnects, and will test electricity consumption pressure merge cells 2 by tail optical fiber and the cascade of electric current merge cells by optical Fiber Closure 3 of the present invention.Need only the current/voltage line of conventional Microcomputer Protection tester need to be connected to respectively when testing the various Microcomputer Protections that the current terminal of spacing current merge cells of needs verification and the voltage wiring terminal of connecting terminal block of the present invention 4 can carry out intelligent substation to verify.
Claims (6)
1. intelligent substation packaged type voltage merge cells tester, is characterized in that: comprise dolly (1), test electricity consumption pressure merge cells (2) be arranged on dolly (1), the optical Fiber Closure (3) of pressing merge cells (2) to be connected with test electricity consumption by optical fiber, by electric wire and connecting terminal block (4), the rectifier power source (5) that is connected with connecting terminal block (4) by electric wire testing electricity consumption and press merge cells (3) to be connected.
2. intelligent substation packaged type voltage merge cells tester according to claim 1, is characterized in that: described dolly (1) comprises plate shaped vehicle body (1-1), is arranged on four universal wheels (1-3) of vehicle body (1-1) bottom and is arranged on the handle (1-2) of vehicle body (1-1) front end.
3. intelligent substation packaged type voltage merge cells tester according to claim 1, is characterized in that: optical Fiber Closure (3) arranges some wiring flanges (3-1).
4. intelligent substation packaged type voltage merge cells tester according to claim 1, is characterized in that: arrange the board identical with the voltage merge cells board model in intelligent substation and CPU in described test electricity consumption pressure merge cells (2).
5. intelligent substation packaged type voltage merge cells tester according to claim 1, is characterized in that: described connecting terminal block (4) and test electricity consumption are pressed between merge cells (2) and arranged air switch (6).
6. intelligent substation packaged type voltage merge cells tester according to claim 1, is characterized in that: arrange air switch (6) between described connecting terminal block (4) and rectifier power source (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510609916.1A CN105203882B (en) | 2015-09-23 | 2015-09-23 | Intelligent substation packaged type voltage combining unit tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510609916.1A CN105203882B (en) | 2015-09-23 | 2015-09-23 | Intelligent substation packaged type voltage combining unit tester |
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| Publication Number | Publication Date |
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| CN105203882A true CN105203882A (en) | 2015-12-30 |
| CN105203882B CN105203882B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510609916.1A Active CN105203882B (en) | 2015-09-23 | 2015-09-23 | Intelligent substation packaged type voltage combining unit tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414964A (en) * | 2018-06-05 | 2018-08-17 | 国家电网有限公司 | A kind of digitalized electric energy metering movable detecting platform and in-situ check and test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108414964A (en) * | 2018-06-05 | 2018-08-17 | 国家电网有限公司 | A kind of digitalized electric energy metering movable detecting platform and in-situ check and test method |
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| CN105203882B (en) | 2017-11-24 |
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