CN103364605A - Novel photoelectric integrated current/voltage mutual inductor - Google Patents
Novel photoelectric integrated current/voltage mutual inductor Download PDFInfo
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- CN103364605A CN103364605A CN201210082727XA CN201210082727A CN103364605A CN 103364605 A CN103364605 A CN 103364605A CN 201210082727X A CN201210082727X A CN 201210082727XA CN 201210082727 A CN201210082727 A CN 201210082727A CN 103364605 A CN103364605 A CN 103364605A
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Abstract
The invention discloses a novel photoelectric integrated current/voltage mutual inductor including a light source, a light-source optical cable, a signal optical cable, light-source optical fibers, signal optical fibers, optical-fiber connection boxes, current sensing heads, voltage sensing heads and a signal processing system. The light source is connected with the optical-fiber connection boxes through the light-source optical cable; the signal processing system is connected with the optical-fiber connection boxes through the signal optical cable; one end of each light-source optical fiber and one end of each signal optical fiber are connected respectively with an optical fiber end of each optical-fiber connection box in a corresponding way; each light-source optical fiber is connected with the light inlet end of a corresponding current sensing head and the light inlet end of a corresponding voltage sensing head independently; each signal optical fiber is connected with the light outlet end of a corresponding current sensing head and the light outlet end of a corresponding voltage sensing head independently; one light-source optical fiber, one signal optical fiber, one optical-fiber connection box, one current sensing head, and one voltage sensing head form one mutual inductance unit together. And the integrated current/voltage mutual inductor includes three of the mutual inductance units. Through adoption of optical fiber insulation, the novel photoelectric integrated current/voltage mutual inductor is low in manufacturing cost, small in product size, light in weight and capable of reproducing high-fidelity transient signals of power grids.
Description
Technical field
The present invention relates to the current/voltage mutual inductor that a kind of transformer station uses, relate in particular to the integrated current/voltage mutual inductor of a kind of novel photoelectric formula.
Background technology
The hi-line of transformer station is in service because different situations may appear in terminal, environment and mishap, if do not carry out Real-Time Monitoring, can not in time process and finally cause accident to occur in the time of then may causing hi-line the accident omen to occur.So, all at hi-line the current/voltage mutual inductor is installed in transformer station, carry out Real-Time Monitoring with the running status to hi-line.
The current/voltage mutual inductor that traditional transformer station uses all adopts electromagnetic transformer, and it detects the real-time current of hi-line by electromagnetic induction, and after the signal that detects was processed, managerial personnel can understand the real-time running state of hi-line.The defective of this electromagnetic transformer is: have transient state electromagnetism saturated phenomenon, can cause mutual inductor can't accurately detect at short notice the electric current of hi-line; In addition, the electromagnetic transformer volume is large, Heavy Weight, insulation costs are high, and these are all restricting further developing of mutual inductor industry.
Summary of the invention
Purpose of the present invention provides a kind of novel photoelectric formula integrated current/voltage mutual inductor with regard to being in order to address the above problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes light source, the light source optical cable, the signal optical cable, optical fiber, optical fiber connecting box, current sensing head, voltage sensor head and signal processing system, the output terminal of described light source is connected with an end of described light source optical cable, the input end of described signal processing system is connected with an end of described signal optical cable, the other end of described light source optical cable be connected the respectively connection corresponding to the cable end of described optical fiber connecting box of the other end of signal optical cable, described optical fiber comprises luminous source optical fiber and signal optical fibre, one end of described luminous source optical fiber be connected the respectively connection corresponding to the optical fiber end of described optical fiber connecting box of an end of signal optical fibre, the other end of described luminous source optical fiber respectively with described current sensing head be connected the light inlet of voltage sensor head and be connected, the other end of described signal optical fibre respectively with described current sensing head be connected the bright dipping end of voltage sensor head and be connected; Mutual inductance unit of the common composition of described luminous source optical fiber, described signal optical fibre, described optical fiber connecting box, described current sensing head and described voltage sensor head, described integrated current/voltage mutual inductor comprises three described mutual inductance unit.
Further, described luminous source optical fiber and described signal optical fibre all place on the optical fiber insulation support body.
As preferably, described optical fiber insulation support body is epoxy ring rod.
Beneficial effect of the present invention is:
The present invention adopts the optical fiber insulation, cost is low, and whole mutual inductor small product size is little, lightweight, and can with high fidelity reappear the electrical network transient signal, solved the problem that there is transient state electromagnetism saturated phenomenon in electromagnetic transformer, laid the first stone for the further developing of mutual inductor industry.
Description of drawings
Accompanying drawing is application structure schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
As shown in drawings, the present invention includes light source 13, light source optical cable 15, signal optical cable 8, luminous source optical fiber 6, signal optical fibre 12, optical fiber connecting box 7, current sensing head 1, voltage sensor head 3 and signal processing system 9, the output terminal of light source 13 is connected with an end of light source optical cable 15, the input end of signal processing system 9 is connected with an end of signal optical cable 8, the other end that the other end of light source optical cable 15 is connected with the signal optical cable is connection corresponding to the cable end of optical fiber connecting box 7 respectively, the end that one end of luminous source optical fiber 6 is connected with signal optical fibre is connection corresponding to the optical fiber end of optical fiber connecting box 7 respectively, the other end of luminous source optical fiber 6 is connected with the light inlet that current sensing head 1 is connected with the voltage sensor head respectively, and the other end of signal optical fibre 12 is connected with the bright dipping end that current sensing head 1 is connected with the voltage sensor head respectively; Luminous source optical fiber 6, signal optical fibre 12, optical fiber connecting box 7, current sensing head 1 and mutual inductance unit of voltage sensor head 3 common compositions the present invention includes three mutual inductance unit, are applied to respectively three hi-lines 2 of three-phase alternating current.Luminous source optical fiber 6 and signal optical fibre 12 all place on the optical fiber insulation support body 5, and optical fiber insulation support body 5 is epoxy ring rod.The outside of luminous source optical fiber 6 and signal optical fibre 12 also is provided with the synthetic overcoat 4 of protection usefulness.
In the application, signal processing system 9 and light source 13 all place in the pulpit 11, and signal processing system 9 also is connected with PC 10, are convenient to managerial personnel's monitoring and operation.Light source 13 can adopt led light source, the light that light source 13 sends is successively through entering respectively in current sensing head 1 and the voltage sensor head 3 behind light source optical cable 15, optical fiber connecting box 7 and the luminous source optical fiber 6, difference entering signal disposal system 9 after passing through signal optical fibre 12, optical fiber connecting box 7 and signal optical cable 8 successively again behind the current signal of sensing hi-line 2, this signal is delivered to PC 10 after treatment, shows at display.According to actual needs alarm can also be set, in case abnormal signal occurs, the warning of then automatically sounding reminds managerial personnel to note.
Claims (3)
1. integrated current/voltage mutual inductor of novel photoelectric formula, it is characterized in that: comprise light source, the light source optical cable, the signal optical cable, optical fiber, optical fiber connecting box, current sensing head, voltage sensor head and signal processing system, the output terminal of described light source is connected with an end of described light source optical cable, the input end of described signal processing system is connected with an end of described signal optical cable, the other end of described light source optical cable be connected the respectively connection corresponding to the cable end of described optical fiber connecting box of the other end of signal optical cable, described optical fiber comprises luminous source optical fiber and signal optical fibre, one end of described luminous source optical fiber be connected the respectively connection corresponding to the optical fiber end of described optical fiber connecting box of an end of signal optical fibre, the other end of described luminous source optical fiber respectively with described current sensing head be connected the light inlet of voltage sensor head and be connected, the other end of described signal optical fibre respectively with described current sensing head be connected the bright dipping end of voltage sensor head and be connected; Mutual inductance unit of the common composition of described luminous source optical fiber, described signal optical fibre, described optical fiber connecting box, described current sensing head and described voltage sensor head, described integrated current/voltage mutual inductor comprises three described mutual inductance unit.
2. the integrated current/voltage mutual inductor of novel photoelectric formula according to claim 1, it is characterized in that: described luminous source optical fiber and described signal optical fibre all place on the optical fiber insulation support body.
3. the integrated current/voltage mutual inductor of novel photoelectric formula according to claim 2 is characterized in that: described optical fiber insulation support body is epoxy ring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210082727XA CN103364605A (en) | 2012-03-27 | 2012-03-27 | Novel photoelectric integrated current/voltage mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210082727XA CN103364605A (en) | 2012-03-27 | 2012-03-27 | Novel photoelectric integrated current/voltage mutual inductor |
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| Publication Number | Publication Date |
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| CN103364605A true CN103364605A (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210082727XA Pending CN103364605A (en) | 2012-03-27 | 2012-03-27 | Novel photoelectric integrated current/voltage mutual inductor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6281672B1 (en) * | 1996-08-30 | 2001-08-28 | Kabushiki Kaisha Toshiba | Optical current transformer |
| CN2582130Y (en) * | 2002-10-29 | 2003-10-22 | 顺德特种变压器厂 | Active optical fibre current transformer |
| CN2653517Y (en) * | 2003-09-05 | 2004-11-03 | 华中科技大学 | Photoelectric current mutual inductor |
| CN2775814Y (en) * | 2004-12-17 | 2006-04-26 | 华中科技大学 | Combined passive optical current/voltage mutual inductor |
| CN201716355U (en) * | 2010-06-10 | 2011-01-19 | 中国西电电气股份有限公司 | Electronic current and voltage transformer for 126kVGIS |
| CN201812668U (en) * | 2010-09-16 | 2011-04-27 | 南京南瑞继保电气有限公司 | Electronic type current and voltage combined mutual inductor of three-phase enclosed GIS (Geographic Information System) |
-
2012
- 2012-03-27 CN CN201210082727XA patent/CN103364605A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6281672B1 (en) * | 1996-08-30 | 2001-08-28 | Kabushiki Kaisha Toshiba | Optical current transformer |
| CN2582130Y (en) * | 2002-10-29 | 2003-10-22 | 顺德特种变压器厂 | Active optical fibre current transformer |
| CN2653517Y (en) * | 2003-09-05 | 2004-11-03 | 华中科技大学 | Photoelectric current mutual inductor |
| CN2775814Y (en) * | 2004-12-17 | 2006-04-26 | 华中科技大学 | Combined passive optical current/voltage mutual inductor |
| CN201716355U (en) * | 2010-06-10 | 2011-01-19 | 中国西电电气股份有限公司 | Electronic current and voltage transformer for 126kVGIS |
| CN201812668U (en) * | 2010-09-16 | 2011-04-27 | 南京南瑞继保电气有限公司 | Electronic type current and voltage combined mutual inductor of three-phase enclosed GIS (Geographic Information System) |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131023 |
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| WD01 | Invention patent application deemed withdrawn after publication |