CN205861751U - Three phase one isolation circuit breakers integrated form all-fiber current transformator - Google Patents
Three phase one isolation circuit breakers integrated form all-fiber current transformator Download PDFInfo
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- CN205861751U CN205861751U CN201620715169.XU CN201620715169U CN205861751U CN 205861751 U CN205861751 U CN 205861751U CN 201620715169 U CN201620715169 U CN 201620715169U CN 205861751 U CN205861751 U CN 205861751U
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- fiber current
- conductive supporting
- flange
- current transformator
- supporting flange
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Abstract
Three phase one isolation circuit breakers integrated form all-fiber current transformator, arc-extinguishing chamber of circuit breaker is connected with optical fibre composite sleeve by counter flange and conductive supporting flange, conductive supporting flange center is provided with manhole, conductive supporting flange is step-like, the bigger step in cross section is provided with cannelure, all-fiber current transformator sensing ring is positioned at cannelure, and all-fiber current transformator sensing ring is connected with all-fiber current transformator electric unit via optical fibre composite sleeve by polarization maintaining optical fibre；Conductive supporting flange does not set the end face of cannelure and is fixedly connected with optical fibre composite sleeve, conductive supporting flange is provided with that the end face of cannelure is fixing with counter flange to be connected, counter flange is fixedly connected with arc-extinguishing chamber of circuit breaker, is coated with insullac between counter flange and conductive supporting flange；Terminal board and conductive supporting flange do not set and are fixedly connected between the end face of cannelure.This utility model floor space is little, and grid stability is good, installs integrated level height, low cost.
Description
Technical field
This utility model relates to isolated chopper and transformer field, is specifically related to a kind of Three phase one isolation
Chopper integrated form all-fiber current transformator.
Background technology
Along with power equipment chopper+disconnecting switch in the development in intelligent integrated direction, conventional electric power system+
The unlimited application mode of current transformer can not meet the development of electrical network situation, has that floor space is big, fault rate is high, merit
Can combined level be low, deficiency in high in cost of production engineering.
Utility model content
Technical problem to be solved in the utility model is, overcomes the deficiency of above-mentioned background technology, it is provided that a kind of occupation of land face
Long-pending little, grid stability is good, installs integrated level height, and low cost Three phase one isolation circuit breakers integrated form full optical-fiber current is mutual
Sensor.
This utility model solves its technical problem and employed technical scheme comprise that, a kind of Three phase one isolation circuit breakers collection
Accepted way of doing sth all-fiber current transformator, including arc-extinguishing chamber of circuit breaker, all-fiber current transformator sensing ring, terminal board, optical fiber
Composite bushing, all-fiber current transformator electric unit, polarization maintaining optical fibre, conductive supporting flange and counter flange；Described chopper
Arc-chutes are connected with optical fibre composite sleeve by counter flange and conductive supporting flange, and described conductive supporting flange center is provided with circle
Shape through hole, conductive supporting flange is step-like, and the bigger step in cross section is provided with cannelure, and described all-fiber current transformator is quick
Sense ring is positioned at cannelure, and all-fiber current transformator sensing ring is electric with all-fiber via optical fibre composite sleeve by polarization maintaining optical fibre
Current transformer electric unit is connected；Described conductive supporting flange does not set the end face of cannelure and is fixed even with optical fibre composite sleeve
Connecing, one end of end face and counter flange that described conductive supporting flange is provided with cannelure is fixed and is connected, the other end of counter flange
It is fixedly connected with arc-extinguishing chamber of circuit breaker, between described counter flange and conductive supporting flange, is coated with insullac；Described connect
Line end daughter board and conductive supporting flange do not set and are fixedly connected between the end face of cannelure.
Further, described all-fiber current transformator sensing ring is non-sensitive part of all-fiber current transformator high pressure.
Further, described arc-extinguishing chamber of circuit breaker is the SF6 gas arc-extinguishing chamber that voltage is not less than 110kV.
Further, the installation joint face of described conductive supporting flange and counter flange all uses O RunddichtringO to seal.
Compared with prior art, advantage of the present utility model is as follows:
By integrated all-fiber current transformator, isolated chopper, while completing foreign current is measured,
Also simplify electric power main electrical scheme, reduce floor space, reduce fault rate, improve grid stability；Use installation by adhering mode, peace
Dress integrated level is high, and volume is little, saves space cost；Optical fiber sensing technology is used, with biography during the measurement to foreign current
The transformer of system is compared, and accuracy is high, scope is big, transient characterisitics good in measurement；Can be complete by installed on heterogeneous isolation circuit breakers
Optical fiber current mutual inductor sensing ring carries out integrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the partial enlarged drawing of embodiment illustrated in fig. 1.
Fig. 3 is the structural representation of the optical fibre composite sleeve of embodiment illustrated in fig. 1.
Fig. 4 is all-fiber current transformator sensing ring and the all-fiber current transformator electric unit of embodiment illustrated in fig. 1
Connection diagram.
Fig. 5 is the structural representation of the all-fiber current transformator sensing ring of embodiment illustrated in fig. 1.
Fig. 6 is the structural representation of the conductive supporting flange of embodiment illustrated in fig. 1.
Fig. 7 is the structural representation of the counter flange of embodiment illustrated in fig. 1.
In figure: 1 arc-extinguishing chamber of circuit breaker, 2 all-fiber current transformator sensing rings, 3 terminal boards, 4 optical fiber
Composite bushing, 5 all-fiber current transformator electric units, 6 polarization maintaining optical fibres, 7 conductive supporting flanges, 8 counter flanges.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further detail by specific embodiment.
Referring to the drawings, the present embodiment includes arc-extinguishing chamber of circuit breaker 1, all-fiber current transformator sensing ring 2, terminal board
3, optical fibre composite sleeve 4, all-fiber current transformator electric unit 5, polarization maintaining optical fibre 6, conductive supporting flange 7 and counter flange 8；
Arc-extinguishing chamber of circuit breaker 1 is connected with optical fibre composite sleeve 4, in conductive supporting flange 7 by counter flange 8 and conductive supporting flange 7
The heart is provided with manhole, and conductive supporting flange 7 is step-like, and the bigger step in cross section is provided with cannelure, and full optical-fiber current is mutual
Sensor sensing ring 2 is positioned at cannelure.
All-fiber current transformator sensing ring 2 is non-sensitive part of all-fiber current transformator high pressure, breaker arc extinguishing
Room 1 is not less than the SF6 gas arc-extinguishing chamber of 110kV for voltage.
All-fiber current transformator sensing ring 2 passes through polarization maintaining optical fibre 6 via optical fibre composite sleeve 4 and full optical-fiber current mutual inductance
Device electric unit 5 is connected；All-fiber current transformator electric unit 5 is installed on base.
Conductive supporting flange 7 does not set the end face of cannelure and is fixedly connected with optical fibre composite sleeve 4, conductive supporting flange
One end of 7 end faces and counter flange 8 being provided with cannelure is fixed and is connected, and the other end of counter flange 8 enters with arc-extinguishing chamber of circuit breaker 1
Row is fixing to be connected, and is coated with insullac between counter flange 8 and conductive supporting flange 7；Terminal board 3 and conductive supporting flange
Being fixedly connected between 7 end faces not setting cannelure, the installation joint face of conductive supporting flange 7 and counter flange 8 all uses O
RunddichtringO seals.
In this utility model, the number of all-fiber current transformator sensing ring 2 is according to reality application needs, entirely can have one
Individual, it is possibility to have two mounted on top are installed in the cannelure leading conductive supporting flange 7, are usually no more than four.Meanwhile, entirely
The polarization maintaining optical fibre 6 being connected between optical fiber current mutual inductor sensing ring 2 with all-fiber current transformator electric unit 5 is embedded in optical fiber
In composite bushing 4, it is not necessary to other insulated connecting piece, insulating simple and reliable, integrated level is high.
This utility model all-fiber current transformator is when installing application, when having high-tension current signal via conductive supporting method
When orchid 7 flows to terminal board 3, the electric current letter that all-fiber current transformator sensing ring 2 will sense on conductive supporting flange 7
Number, the insullac between counter flange 8 and conductive supporting flange 7 can be by all-fiber current transformator sensing ring 2 foreign current
Block, only allow electric current to flow through from the inside of all-fiber current transformator sensing ring 2；By all-fiber current transformator sensing ring 2
The current signal on conductive supporting flange 7 sensed is transferred to all-fiber electricity by polarization maintaining optical fibre 6 via optical fibre composite sleeve 4
On current transformer electric unit 5；Optical signal is demodulated by all-fiber current transformator electric unit 5, and demodulation is obtained
Current signal shows on backend computer, monitors and reflect the current signal being carried on high-field electrode in real time.This practicality
Novel adjust also by appropriate size, can be from the product Matching installation such as the isolated chopper of different high-voltage switch gear producers.
This utility model passes through integrated all-fiber current transformator, isolated chopper, carries out foreign current completing
While measurement, also simplify electric power main electrical scheme, reduce floor space, improve grid stability；Use installation by adhering mode, peace
Dress integrated level is high, and volume is little, saves space cost；Optical fiber sensing technology is used, with biography during the measurement to foreign current
The transformer of system is compared, and accuracy is high, scope is big, transient characterisitics good in measurement；Can be complete by installed on heterogeneous isolation circuit breakers
Optical fiber current mutual inductor sensing ring carries out integrated.
This utility model uses passive type all-fiber current transformator, fundamentally realizes the degree of depth with isolated chopper
Integrated, have that accuracy is high, measurement scope is big, transient characterisitics good, it is high to install integrated level, volume is little, saves space cost etc. excellent
Point.
Those skilled in the art can carry out various modifications and variations to this utility model, if these amendment and modification
Within the scope of this utility model claim and equivalent technologies thereof, then these amendments and modification are also guarantor of the present utility model
Within the scope of protecting.
The prior art that the content not described in detail in description is known to the skilled person.
Claims (4)
1. a Three phase one isolation circuit breakers integrated form all-fiber current transformator, it is characterised in that: include chopper
Arc-chutes (1), all-fiber current transformator sensing ring (2), terminal board (3), optical fibre composite sleeve (4), full optical-fiber current
Transformer electric unit (5), polarization maintaining optical fibre (6), conductive supporting flange (7) and counter flange (8)；Described arc-extinguishing chamber of circuit breaker
(1) it is connected with optical fibre composite sleeve (4) by counter flange (8) and conductive supporting flange (7), described conductive supporting flange (7)
Center is provided with manhole, and conductive supporting flange (7) is step-like, and the bigger step in cross section is provided with cannelure, described full light
Fiber current mutual inductor sensing ring (2) is positioned at cannelure, and all-fiber current transformator sensing ring (2) passes through polarization maintaining optical fibre (6) warp
It is connected with all-fiber current transformator electric unit (5) by optical fibre composite sleeve (4)；Described conductive supporting flange (7) does not set ring
The end face of shape groove is fixedly connected with optical fibre composite sleeve (4), described conductive supporting flange (7) be provided with the end face of cannelure with
One end of counter flange (8) is fixing to be connected, and the other end of counter flange (8) is fixedly connected with arc-extinguishing chamber of circuit breaker (1), institute
State and be coated with insullac between counter flange (8) and conductive supporting flange (7)；Described terminal board (3) and conductive supporting method
Blue (7) do not set and are fixedly connected between the end face of cannelure.
2. Three phase one isolation circuit breakers integrated form all-fiber current transformator as claimed in claim 1, its feature exists
In: described all-fiber current transformator sensing ring (2) is non-sensitive part of all-fiber current transformator high pressure.
3. Three phase one isolation circuit breakers integrated form all-fiber current transformator as claimed in claim 1 or 2, its feature
It is: described arc-extinguishing chamber of circuit breaker (1) is the SF6 gas arc-extinguishing chamber that voltage is not less than 110kV.
4. Three phase one isolation circuit breakers integrated form all-fiber current transformator as claimed in claim 1 or 2, its feature
It is: the installation joint face of described conductive supporting flange (7) and counter flange (8) all uses O RunddichtringO to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715169.XU CN205861751U (en) | 2016-07-08 | 2016-07-08 | Three phase one isolation circuit breakers integrated form all-fiber current transformator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715169.XU CN205861751U (en) | 2016-07-08 | 2016-07-08 | Three phase one isolation circuit breakers integrated form all-fiber current transformator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861751U true CN205861751U (en) | 2017-01-04 |
Family
ID=57645864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620715169.XU Active CN205861751U (en) | 2016-07-08 | 2016-07-08 | Three phase one isolation circuit breakers integrated form all-fiber current transformator |
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| CN (1) | CN205861751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911325A (en) * | 2016-07-08 | 2016-08-31 | 中国能源建设集团湖南省电力设计院有限公司 | Novel three-phase integrated isolated circuit breaker integrated all-fiber optical current transformer |
| CN110361641A (en) * | 2019-07-09 | 2019-10-22 | 浙江凯耀照明股份有限公司 | The broken paint device of Hi-pot test and broken Qi Fangfa |
-
2016
- 2016-07-08 CN CN201620715169.XU patent/CN205861751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911325A (en) * | 2016-07-08 | 2016-08-31 | 中国能源建设集团湖南省电力设计院有限公司 | Novel three-phase integrated isolated circuit breaker integrated all-fiber optical current transformer |
| CN110361641A (en) * | 2019-07-09 | 2019-10-22 | 浙江凯耀照明股份有限公司 | The broken paint device of Hi-pot test and broken Qi Fangfa |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |