CN204855019U - A optic fibre temperature measurement structure for 10kV distribution transformer is last - Google Patents

A optic fibre temperature measurement structure for 10kV distribution transformer is last Download PDF

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Publication number
CN204855019U
CN204855019U CN201520462419.9U CN201520462419U CN204855019U CN 204855019 U CN204855019 U CN 204855019U CN 201520462419 U CN201520462419 U CN 201520462419U CN 204855019 U CN204855019 U CN 204855019U
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CN
China
Prior art keywords
optical fiber
temperature
sensor
optic fibre
temperature sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520462419.9U
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Chinese (zh)
Inventor
徐晓刚
于冀江
龙世熠
陈晓科
汪进锋
李鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Guangte Electric Co ltd
Electric Power Research Institute of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Guangte Electric Co ltd
Electric Power Research Institute of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Guangte Electric Co ltd, Electric Power Research Institute of Guangdong Power Grid Co Ltd filed Critical Guangdong Guangte Electric Co ltd
Priority to CN201520462419.9U priority Critical patent/CN204855019U/en
Application granted granted Critical
Publication of CN204855019U publication Critical patent/CN204855019U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The utility model discloses a rational in infrastructure, convenient operation just can effectively accurately detect the inside winding hot -spot temperature's of transformer an optic fibre temperature measurement structure for 10kV distribution transformer is last, it includes high low voltage winding, still including install in sensor oil duct stay on the high low voltage winding, be used for detecting optical fiber temperature sensor, the optic fibre terminal box that links to each other through optic fibre and this optical fiber temperature sensor, the wire that is used for the fixed fiber of coil temperature presss from both sides and is used for fixed mounting in the high low voltage winding the folder that the wire pressed from both sides, the optical fiber temperature sensor that is used for detecting its hot -spot temperature is installed on through the high low voltage winding in the transformer to this scheme, temperature value that the during operation detected through the optical fiber temperature sensor and utilize optic fibre passback to optic fibre terminal box in, carry out temperature monitoring to high low voltage winding in real time, be in high -efficient running condition from guaranteeing the transformer.

Description

A kind of optical fiber temperature-measurement structure on 10kV substation transformer
Technical field
The utility model relates to substation transformer technical field, refers more particularly to a kind of optical fiber temperature-measurement structure on 10kV substation transformer.
Background technology
General transformer fault type mainly contains hot stall and electric fault, and wherein hot stall accounts for about 60% of total failare number of units, and overheated double high-energy discharge fault accounts for about 10%.The oil-filled transformer life-span depends primarily on life-span of insulating material, and the deciding factor impelling insulating material aging is exactly temperature, and therefore hot-spot temperature of transformer determines the serviceable life of transformer.
Past, the temperature of hot spots cannot be monitored due to insulating requirements in transformer and inner strong electromagnetic.For security consideration, under Domestic Transformers is mostly in 50% ~ 70% rated power, non-economy operation conditions.Pass by be all by installing current transformer at casing part, the hot spot temperature of winding of the way measuring transformer of passback simulating signal, error is larger for this reason.Therefore, just seem particularly important for how searching out a kind of technological means that effectively accurately can detect the hot(test)-spot temperature of inside transformer winding temperature.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, easy to operate and can detect the optical fiber temperature-measurement structure on 10kV substation transformer of inside transformer hot spot temperature of winding effectively and accurately.
For achieving the above object, technical scheme provided by the utility model is: a kind of optical fiber temperature-measurement structure on 10kV substation transformer, comprise high-low pressure winding, also comprise the sensor oil duct stay be installed on described high-low pressure winding, for detect the fibre optic temperature sensor of described high-low pressure winding interior loop temperature, the optical Fiber Closure be connected with this fibre optic temperature sensor by optical fiber, for the wire clamp of fixed fiber and the folder for fixedly mounting described wire clamp.
Further, described sensor oil duct stay one end offers the U-shaped breach of the probe for installing described fibre optic temperature sensor.
Again further, described U-shaped breach is arranged on on the sensor oil duct stay at described high-low pressure integral height 1/3rd isometry position place.
Preferably, described folder comprises channel-section steel main body and is arranged at the fixed head for fixing described wire clamp on this side, channel-section steel main body top.
Further, described wire clamp top is also provided with the cross-type breach of the probe for fixedly mounting the fibre optic temperature sensor detecting described high-low pressure winding oil temperature.
This programme is by the high-low pressure winding in transformer being provided with the fibre optic temperature sensor for detecting its hot(test)-spot temperature, the temperature value detected by fibre optic temperature sensor during work also utilizes fiber pass-back in optical Fiber Closure, in real time monitoring temperature is carried out to high-low pressure winding, from ensureing that transformer is in high-efficiency operation state.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is side-looking structural representation of the present utility model.
Fig. 3 is the clamping structure schematic diagram in the utility model.
Fig. 4 is the wire clamp structural representation in the utility model.
Fig. 5 is the sensor oil passage stripe structural representation in the utility model.
In figure: 1-high-low pressure winding, 2-fibre optic temperature sensor, 3-wire clamp, 4-folder, 5-optical Fiber Closure, 6-sensor oil duct stay, 301-cross-type breach, 401-channel-section steel main body, 402-fixed head, 601-U type breach.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail:
Shown in attached Fig. 1 and 2, a kind of optical fiber temperature-measurement structure on 10kV substation transformer described in the present embodiment, it comprises high-low pressure winding 1, the sensor oil duct stay 6 be arranged on high-low pressure winding 1, for detect the fibre optic temperature sensor 2 of high-low pressure winding 1 interior loop temperature, the optical Fiber Closure 5 be connected with this fibre optic temperature sensor 2 by optical fiber, for the wire clamp 3 of fixed fiber and the folder 4 for fixedly mounting wire clamp 3.Low pressure winding wherein in this programme adopts multi-layer cylindrical structure, and the oil duct on it is positioned at 1/2 place of low pressure integral height, and sensor oil duct stay is arranged on its low pressure head opposite place; High pressure winding adopts multi-layer cylindrical structure equally, and the oil duct on it is positioned at 1/3 place of high pressure winding whole height, and sensor oil duct stay is arranged on its high voltage winding terminal side place.
In addition, fibre optic temperature sensor 2 in this programme is sensitive components, and rotating speed exceedes the tolerance range of optical fiber temperature-measurement element during coil winding, need installing optical fibres sensor again after coil winding is pacified into, therefore sensor oil duct stay 6 one end has U-shaped breach 601, this U-shaped breach 601 height at coil height 1/3 place, be convenient to coil winding complete after the probe of insertion fibre optic temperature sensor 2.
Meanwhile, the folder 4 in this programme comprises channel-section steel main body 401 and is arranged at the fixed head 402 for fixing cord folder 3 on this side, channel-section steel main body 401 top.Wire clamp 3 top is also provided with the cross-type breach 301 of the probe for fixedly mounting the fibre optic temperature sensor 2 detecting high-low pressure winding 1 oil temperature, for top-oil temperature in measuring transformer.
The examples of implementation of the above are only the preferred embodiment of the utility model, not limit practical range of the present utility model with this, therefore the change that all shapes according to the utility model, principle are done, all should be encompassed in protection domain of the present utility model.

Claims (5)

1. the optical fiber temperature-measurement structure on 10kV substation transformer, comprise high-low pressure winding (1), it is characterized in that: also comprise the sensor oil duct stay (6) be installed on described high-low pressure winding (1), for detect the fibre optic temperature sensor (2) of described high-low pressure winding (1) interior loop temperature, the optical Fiber Closure (5) be connected with this fibre optic temperature sensor (2) by optical fiber, for the wire clamp (3) of fixed fiber and the folder (4) for fixedly mounting described wire clamp (3).
2. a kind of optical fiber temperature-measurement structure on 10kV substation transformer according to claim 1, is characterized in that: described sensor oil duct stay (6) one end offers the U-shaped breach (601) of the probe for installing described fibre optic temperature sensor (2).
3. a kind of optical fiber temperature-measurement structure on 10kV substation transformer according to claim 2, is characterized in that: described U-shaped breach (601) is arranged on on the sensor oil duct stay (6) at described high-low pressure winding (1) whole height 1/3rd isometry position place.
4. according to the arbitrary described a kind of optical fiber temperature-measurement structure on 10kV substation transformer of claims 1 to 3, it is characterized in that: described folder (4) comprises channel-section steel main body (401) and is arranged at the fixed head (402) for fixing described wire clamp (3) on this channel-section steel main body (401) side, top.
5., according to the arbitrary described a kind of optical fiber temperature-measurement structure on 10kV substation transformer of claims 1 to 3, it is characterized in that: described wire clamp (3) top is also provided with the cross-type breach (301) of the probe for fixedly mounting the fibre optic temperature sensor (2) detecting described high-low pressure winding (1) oil temperature.
CN201520462419.9U 2015-07-01 2015-07-01 A optic fibre temperature measurement structure for 10kV distribution transformer is last Expired - Fee Related CN204855019U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520462419.9U CN204855019U (en) 2015-07-01 2015-07-01 A optic fibre temperature measurement structure for 10kV distribution transformer is last

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520462419.9U CN204855019U (en) 2015-07-01 2015-07-01 A optic fibre temperature measurement structure for 10kV distribution transformer is last

Publications (1)

Publication Number Publication Date
CN204855019U true CN204855019U (en) 2015-12-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104990639A (en) * 2015-07-01 2015-10-21 广东电网有限责任公司电力科学研究院 Fiber temperature measuring structure used for 10kV distribution transformer
CN107564700A (en) * 2017-09-16 2018-01-09 国网电力科学研究院武汉南瑞有限责任公司 A kind of optical fiber walks the fixing means of line process in inside transformer
EP3812710A1 (en) * 2019-10-24 2021-04-28 Palo Alto Research Center Incorporated Fiber optic sensing system for grid-based assets
CN114851412A (en) * 2022-07-06 2022-08-05 苏州和研精密科技有限公司 Non-contact height-measuring scribing machine
US11719559B2 (en) 2019-10-24 2023-08-08 Palo Alto Research Center Incorporated Fiber optic sensing system for grid-based assets

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104990639A (en) * 2015-07-01 2015-10-21 广东电网有限责任公司电力科学研究院 Fiber temperature measuring structure used for 10kV distribution transformer
CN107564700A (en) * 2017-09-16 2018-01-09 国网电力科学研究院武汉南瑞有限责任公司 A kind of optical fiber walks the fixing means of line process in inside transformer
CN107564700B (en) * 2017-09-16 2020-03-13 华北电力大学(保定) Method for fixing optical fiber in wiring process inside transformer
EP3812710A1 (en) * 2019-10-24 2021-04-28 Palo Alto Research Center Incorporated Fiber optic sensing system for grid-based assets
US11585692B2 (en) 2019-10-24 2023-02-21 Palo Alto Research Center Incorporated Fiber optic sensing system for grid-based assets
US11719559B2 (en) 2019-10-24 2023-08-08 Palo Alto Research Center Incorporated Fiber optic sensing system for grid-based assets
CN114851412A (en) * 2022-07-06 2022-08-05 苏州和研精密科技有限公司 Non-contact height-measuring scribing machine
CN114851412B (en) * 2022-07-06 2022-10-14 苏州和研精密科技有限公司 Non-contact height-measuring scribing machine

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 510000 Guangdong city of Foshan province Guangzhou city Yuexiu District No. 8 Dongfeng Road water Kong

Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd.

Patentee after: GUANGDONG GUANGTE ELECTRIC Co.,Ltd.

Address before: 510000 Guangdong city of Foshan province Guangzhou city Yuexiu District No. 8 Dongfeng Road water Kong

Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd.

Patentee before: GUANGDONG GUANGTE ELECTRIC Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151209

CF01 Termination of patent right due to non-payment of annual fee