CN109375140A - A kind of voltage transformer calibrating installation - Google Patents
A kind of voltage transformer calibrating installation Download PDFInfo
- Publication number
- CN109375140A CN109375140A CN201811451048.9A CN201811451048A CN109375140A CN 109375140 A CN109375140 A CN 109375140A CN 201811451048 A CN201811451048 A CN 201811451048A CN 109375140 A CN109375140 A CN 109375140A
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- China
- Prior art keywords
- voltage transformer
- connecting terminal
- calibrating
- terminal
- double
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- Pending
Links
- 238000009434 installation Methods 0.000 title claims abstract description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of voltage transformer calibrating installations, comprising: pedestal, pedestal is equipped with the different multiple groups voltage transformer calibrating connecting terminal of voltage class, one group of common terminal and can examine and determine more throwing disconnecting links of free switching between connecting terminal in multiple groups voltage transformer, and disconnecting links of throwing are electrical connected more with common terminal.Connecting terminal and one group of common terminal are examined and determine by the way that the different multiple groups voltage transformer of voltage class is arranged on pedestal, and multiple groups voltage transformer calibrating connecting terminal between setting can free switching more throwing disconnecting links, and disconnecting links of throwing are electrical connected more with common terminal, so as to avoid wiring complexity, secondary connection is frequently replaced, calibrating is easily caused to be mixed with line, it is likely to occur the risk of wiring error, eliminate the security risk in calibration operation, the calibrating efficiency for improving voltage transformer alleviates the labor intensity of staff.
Description
Technical field
The present invention relates to technical field of power systems more particularly to a kind of voltage transformer calibrating installations.
Background technique
With social economy's high speed development, the construction of substation is increasing, and Electricity customers increase year by year, and laboratory needs
The quantity of the voltage transformer of calibrating increases, and in laboratory verification voltage transformer, needs frequently to change voltage transformer inspection
Voltage transformer standard, booster and secondary connection needed for fixed.All kinds of calibration equipments and equipment to be checked are various in laboratory, electricity
Frequent replacement, the movement for pressing mutual inductor standard, booster, easily cause calibration equipment to put confusion, calibrating is set when being not easy to calibrating
Standby timely reasonable placement and wiring；And it is more to examine and determine second test line number amount needed for voltage transformer, and wiring is complicated, secondary
Wiring is frequently replaced, and calibrating is easily caused to be mixed with line, in fact it could happen that the risk of wiring error.These situations, virtually increase
The working strength of testing person, in fact it could happen that misconnection mistake line situation form to the person and equipment security risk.
Summary of the invention
The present invention provides a kind of voltage transformer calibrating installations, it is intended to eliminate the security risk in calibration operation, mention
The high calibrating efficiency of voltage transformer, alleviates the labor intensity of staff.
The present invention provides a kind of voltage transformer calibrating installations comprising: pedestal, the pedestal are equipped with voltage class
Different multiple groups voltage transformers is examined and determine connecting terminal, one group of common terminal and can be examined in the multiple groups voltage transformer
Determine more throwing disconnecting links of free switching between connecting terminal, the disconnecting links of throwing are electrical connected more with common terminal.
Further, the calibrating of voltage transformer described in every group connecting terminal includes multiple first wiring of a variety of calibrating attributes
Terminal, the common terminal attached bag include multiple second terminals of the calibrating attribute of corresponding each first connecting terminal
Son, the disconnecting links of throwing include that corresponding first connecting terminal with the multiple groups of second connecting terminal connects contact more.
Further, the connection contact includes the static contact being electrical connected with first connecting terminal, and with institute
State the moving contact that the second connecting terminal is electrical connected.
Further, the pedestal is the plate of epoxy resin material, second connecting terminal and the moving contact it
Between be connected by fine copper cable, the binding post current-carrying part of first connecting terminal and second connecting terminal uses fine copper
Material, the current-carrying parts for throwing disconnecting link use zinc-plated copper sheet more.
Further, it is that two groups of calibratings of 35kV and 10kV connect that the voltage transformer calibrating connecting terminal, which includes voltage class,
Line terminals, the disconnecting links of throwing are double-throw disconnecting link more, and two groups of calibrating connecting terminals are located at the two sides of the double-throw disconnecting link.
Further, multiple moving contacts proper alignment in a row of the double-throw disconnecting link, two groups of the 35kV and 10kV
Calibrating connecting terminal is located at the two sides of the moving contact of the double-throw disconnecting link, is arranged into flat with the moving contact of the double-throw disconnecting link
Multiple second connecting terminals of capable two rows, common terminal are arranged in a row, and are fixed on one end of the double-throw disconnecting link,
The static contact of the double-throw disconnecting link is connected with first connecting terminal.
Further, by being located at the pedestal bottom between second connecting terminal and the moving contact of the double-throw disconnecting link
The cabling in face is corresponding to be connected.
Further, it is equipped on first connecting terminal and second connecting terminal for U-shaped inserted sheet and circle
The connected socket of cylindrical plug.
The embodiment of the present invention examines and determine connecting terminal by the way that the different multiple groups voltage transformer of voltage class is arranged on pedestal
And one group of common terminal, and between multiple groups voltage transformer calibrating connecting terminal setting can free switching more throwing knives
Lock, and disconnecting link of throwing is electrical connected more with common terminal, so as to avoid wiring complexity, secondary connection is frequently replaced, Yi Zao
Mix at calibrating line, in fact it could happen that the risk of wiring error eliminates the security risk in calibration operation, it is mutual to improve voltage
The calibrating efficiency of sensor alleviates the labor intensity of staff.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of top view of voltage transformer calibrating installation provided in an embodiment of the present invention；
Fig. 2 is a kind of side view of voltage transformer calibrating installation provided in an embodiment of the present invention；
Fig. 3 is a kind of left view of voltage transformer calibrating installation provided in an embodiment of the present invention；
Fig. 4 is a kind of bottom view of voltage transformer calibrating installation provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.
It is also understood that mesh of the term used in this description of the invention merely for the sake of description specific embodiment
And be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singular, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is
Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of voltage transformer calibrating installation provided in an embodiment of the present invention,
The voltage transformer calibrating installation includes pedestal 100, and pedestal 100 is equipped with the different multiple groups voltage transformer calibrating of voltage class
200, one groups of common terminals of connecting terminal 300 and free switching between connecting terminal can be examined and determine in multiple groups voltage transformer
More throwing disconnecting links 400, disconnecting links 400 of throwing are electrical connected more with common terminal 300.
Specifically, by every group of standard potential transformer, booster needed for the voltage transformer for examining and determine multiple voltage grade
Equal calibration equipments are fixed rationally to be placed, and corresponding calibrating wiring is correctly connected and is connected to voltage transformer calibrating installation
Voltage transformer is examined and determine on connecting terminal 200, and corresponding public wiring is connected to the public wiring of voltage transformer calibrating installation
On terminal 300, by switch throw disconnecting links 400, allow voltage transformer of common terminal 300 respectively with various voltage class
It examines and determine connecting terminal 200 to be connected to, to realize the calibrating of the voltage transformer of various voltage class.
Specifically, connecting terminal 200 is examined and determine by the way that the different multiple groups voltage transformer of voltage class is arranged on pedestal 100
And one group of common terminal 300, and setting can free switching between multiple groups voltage transformer calibrating connecting terminal 200
It is throw disconnecting link 400 more, and disconnecting link 400 of throwing is electrical connected more with common terminal 300, it is secondary to connect so as to avoid wiring complexity
Line is frequently replaced, and calibrating is easily caused to be mixed with line, in fact it could happen that the risk of wiring error, the safety eliminated in calibration operation are hidden
Suffer from, improves the calibrating efficiency of voltage transformer, alleviate the labor intensity of staff.
Referring to Fig. 1 and Fig. 2, in one embodiment, every group of voltage transformer calibrating connecting terminal 200 belongs to including a variety of calibratings
Property multiple first connecting terminals 210, common terminal 300 include corresponding each first connecting terminal 210 (as shown in the figure
PT0a、PT0x、PTxa、PTxX, 0~220V, AC and ground terminal) calibrating attribute multiple second connecting terminals 310,
Disconnecting links 400 of throwing include corresponding first connecting terminal 210 and 310 (PT as illustrated in the drawing of the second connecting terminal more0a、PT0x、
PTxa、PTxX, 0~220V, AC and ground terminal) multiple groups connect contact 410.
Referring to figures 1-3, in one embodiment, connection contact 410 include be electrical connected with the first connecting terminal 210 it is quiet
Contact 411, and the moving contact 412 being electrical connected with the second connecting terminal 310.
Specifically, before calibrating starts, keep the connection contacts 410 for throwing disconnecting link 400 to be in an open state, i.e. moving contact more
412 do not contact with static contact 411, and when being examined and determine, disconnecting links 400 of throwing are pulled to corresponding calibrating connecting terminal 200 more
Place, allows moving contact 412 to touch corresponding static contact 411, to make corresponding calibrating connecting terminal 200 and common terminal
It is connected between 300, carries out calibrating operation.In no verification task, calibrating installation power supply can be disconnected, and disconnecting link 400 will be thrown more
Moving contact 412 be switched to stand-by state (separating with all static contacts 411).
In one embodiment, pedestal 100 is the plate of epoxy resin material, the second connecting terminal 310 and moving contact 412 it
Between be connected by fine copper cable, the binding post current-carrying part of the first connecting terminal 210 and the second connecting terminal 310 uses fine copper material
Matter, the current-carrying parts for throwing disconnecting link 400 use zinc-plated copper sheet more.
Referring to Fig. 1, in one embodiment, voltage transformer examine and determine connecting terminal 200 include voltage class be 35kV and
Two groups of calibrating connecting terminals of 10kV (200a and 200b in such as figure), disconnecting links 400 of throwing are double-throw disconnecting link, two groups of calibrating terminals more
Son 200 is located at the two sides of double-throw disconnecting link.
Specifically, this is sentenced examines and determine including the voltage transformer that voltage class is two groups of calibrating connecting terminals of 35kV and 10kV
For device, because the ratio highest that the voltage transformer of two voltage class of 35kV and 10kV occupies, also most commonly seen, setting
Select this two groups of specifications also more practical when setting the calibrating installation of only two groups calibrating connecting terminals.
In one embodiment, the proper alignment in a row of multiple moving contacts 412 of double-throw disconnecting link, two groups of inspections of 35kV and 10kV
Determine the two sides that connecting terminal 200 is located at the moving contact 412 of double-throw disconnecting link, to be arranged into flat with the moving contact 412 of double-throw disconnecting link
Multiple second connecting terminals 310 of capable two rows, common terminal 300 are arranged in a row, and are fixed on one end of double-throw disconnecting link, double
The static contact 411 for throwing disconnecting link is connected with the first connecting terminal 210.
Referring to fig. 4, in one embodiment, by being located between the second connecting terminal 310 and the moving contact 412 of double-throw disconnecting link
The cabling 110 of 100 bottom surface of pedestal is corresponding to be connected.
Specifically, the second connecting terminal 310 is connected with the moving contact 412 of double-throw disconnecting link by cabling 110 in advance, every
It is mutually indepedent between cabling 110, make the upper surface of monitoring device more succinct on the ground that cabling 110 is set to pedestal 100,
In the concrete realization, cabling 110 can also be set to the inside of pedestal 100, or pass through the non-interference of susceptor surface
Printed circuit is realized.
In one embodiment, be equipped on the first connecting terminal 210 and the second connecting terminal 310 for U-shaped inserted sheet and
The connected socket of cannon plug.
It specifically, will be for U-shaped inserted sheet and cylinder on the first connecting terminal 210 and the second connecting terminal 310
The connected socket of plug, can increase the selectivity of calibrating installation wiring.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (8)
1. a kind of voltage transformer calibrating installation characterized by comprising pedestal, it is different that the pedestal is equipped with voltage class
Multiple groups voltage transformer calibrating connecting terminal, one group of common terminal and can examining and determine in the multiple groups voltage transformer connect
More throwing disconnecting links of free switching between line terminals, the disconnecting links of throwing are electrical connected more with common terminal.
2. voltage transformer calibrating installation according to claim 1, which is characterized in that the calibrating of voltage transformer described in every group
Connecting terminal includes multiple first connecting terminals of a variety of calibrating attributes, and the common terminal attached bag includes corresponding each described the
Multiple second connecting terminals of the calibrating attribute of one connecting terminal, it is described throw disconnecting links include corresponding first connecting terminal and
The multiple groups of second connecting terminal connect contact.
3. voltage transformer calibrating installation according to claim 2, which is characterized in that the connection contact include with it is described
The static contact that first connecting terminal is electrical connected, and the moving contact being electrical connected with second connecting terminal.
4. voltage transformer calibrating installation according to claim 3, which is characterized in that the pedestal is epoxy resin material
Plate, be connected between second connecting terminal and the moving contact by fine copper cable, first connecting terminal and institute
The binding post current-carrying part of the second connecting terminal is stated using fine copper material, the current-carrying parts for throwing disconnecting link use galvanized copper more
Plate.
5. voltage transformer calibrating installation according to claim 3, which is characterized in that the voltage transformer examines and determine wiring
Terminal includes that voltage class is two groups of calibrating connecting terminals of 35kV and 10kV, and the disconnecting links of throwing is double-throw disconnecting links more, and described two groups
Calibrating connecting terminal is located at the two sides of the double-throw disconnecting link.
6. voltage transformer calibrating installation according to claim 5, which is characterized in that multiple dynamic touchings of the double-throw disconnecting link
Two groups of calibrating connecting terminals of proper alignment in a row, the 35kV and 10kV are located at the moving contact of the double-throw disconnecting link
Two sides, be arranged into the two rows parallel with the moving contact of the double-throw disconnecting link, multiple second wiring of common terminal
Terminal is arranged in a row, and is fixed on one end of the double-throw disconnecting link, the static contact of the double-throw disconnecting link and first connecting terminal
It is connected.
7. voltage transformer calibrating installation according to claim 6, which is characterized in that second connecting terminal with it is described
By being located at, the cabling of the base end face is corresponding to be connected between the moving contact of double-throw disconnecting link.
8. voltage transformer calibrating installation described in any one of -7 according to claim 1, which is characterized in that first wiring
The socket being connected for U-shaped inserted sheet with cannon plug is equipped on terminal and second connecting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451048.9A CN109375140A (en) | 2018-11-30 | 2018-11-30 | A kind of voltage transformer calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451048.9A CN109375140A (en) | 2018-11-30 | 2018-11-30 | A kind of voltage transformer calibrating installation |
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| Publication Number | Publication Date |
|---|---|
| CN109375140A true CN109375140A (en) | 2019-02-22 |
Family
ID=65376187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811451048.9A Pending CN109375140A (en) | 2018-11-30 | 2018-11-30 | A kind of voltage transformer calibrating installation |
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| CN (1) | CN109375140A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927649A (en) * | 2019-12-02 | 2020-03-27 | 云南电网有限责任公司玉溪供电局 | Voltage transformer modularization calibrating installation |
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|---|---|---|---|---|
| CN101710672A (en) * | 2009-12-07 | 2010-05-19 | 河南省电力公司南阳供电公司 | DC screen of transformer substation |
| CN102944700A (en) * | 2012-10-30 | 2013-02-27 | 武汉华源电力工程有限责任公司 | Secondary wiring device for test of characteristics of a current transformer |
| CN103487687A (en) * | 2013-09-21 | 2014-01-01 | 国网吉林省电力有限公司电力科学研究院 | Nonstandard variable ratio voltage transformer calibrating method |
| CN203587793U (en) * | 2013-10-21 | 2014-05-07 | 云南电网公司曲靖供电局 | Dedicated platform for certificate test on transformers |
| CN104297532A (en) * | 2014-11-06 | 2015-01-21 | 国家电网公司 | Wiring device for detecting voltage transformer |
| CN204333626U (en) * | 2014-11-29 | 2015-05-13 | 国家电网公司 | Standby device is mutually moved back in two-way inlet wire list table metering throwing |
| CN105158721A (en) * | 2015-07-21 | 2015-12-16 | 珠海许继电气有限公司 | Voltage transformer temperature online monitoring device and method |
| CN108896950A (en) * | 2018-07-18 | 2018-11-27 | 国网四川省电力公司电力科学研究院 | A kind of device that program control type three-phase combination transformer calibrating secondary connection automatically switches |
| CN209590253U (en) * | 2018-11-30 | 2019-11-05 | 国网安徽省电力有限公司滁州供电公司 | A kind of voltage transformer calibrating installation |
-
2018
- 2018-11-30 CN CN201811451048.9A patent/CN109375140A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710672A (en) * | 2009-12-07 | 2010-05-19 | 河南省电力公司南阳供电公司 | DC screen of transformer substation |
| CN102944700A (en) * | 2012-10-30 | 2013-02-27 | 武汉华源电力工程有限责任公司 | Secondary wiring device for test of characteristics of a current transformer |
| CN103487687A (en) * | 2013-09-21 | 2014-01-01 | 国网吉林省电力有限公司电力科学研究院 | Nonstandard variable ratio voltage transformer calibrating method |
| CN203587793U (en) * | 2013-10-21 | 2014-05-07 | 云南电网公司曲靖供电局 | Dedicated platform for certificate test on transformers |
| CN104297532A (en) * | 2014-11-06 | 2015-01-21 | 国家电网公司 | Wiring device for detecting voltage transformer |
| CN204333626U (en) * | 2014-11-29 | 2015-05-13 | 国家电网公司 | Standby device is mutually moved back in two-way inlet wire list table metering throwing |
| CN105158721A (en) * | 2015-07-21 | 2015-12-16 | 珠海许继电气有限公司 | Voltage transformer temperature online monitoring device and method |
| CN108896950A (en) * | 2018-07-18 | 2018-11-27 | 国网四川省电力公司电力科学研究院 | A kind of device that program control type three-phase combination transformer calibrating secondary connection automatically switches |
| CN209590253U (en) * | 2018-11-30 | 2019-11-05 | 国网安徽省电力有限公司滁州供电公司 | A kind of voltage transformer calibrating installation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927649A (en) * | 2019-12-02 | 2020-03-27 | 云南电网有限责任公司玉溪供电局 | Voltage transformer modularization calibrating installation |
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