CN102096025A - Local discharge detector of gas insulating switch - Google Patents

Local discharge detector of gas insulating switch Download PDF

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Publication number
CN102096025A
CN102096025A CN2009102002829A CN200910200282A CN102096025A CN 102096025 A CN102096025 A CN 102096025A CN 2009102002829 A CN2009102002829 A CN 2009102002829A CN 200910200282 A CN200910200282 A CN 200910200282A CN 102096025 A CN102096025 A CN 102096025A
Authority
CN
China
Prior art keywords
gas
unit
data
insulated switch
discharge detector
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.)
Pending
Application number
CN2009102002829A
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Chinese (zh)
Inventor
吴伟
杨文举
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.)
SHANGHAI MOKE ELECTRONICS CO Ltd
Original Assignee
SHANGHAI MOKE ELECTRONICS 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 SHANGHAI MOKE ELECTRONICS CO Ltd filed Critical SHANGHAI MOKE ELECTRONICS CO Ltd
Priority to CN2009102002829A priority Critical patent/CN102096025A/en
Publication of CN102096025A publication Critical patent/CN102096025A/en
Pending legal-status Critical Current

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  • Installation Of Bus-Bars (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The invention provides a local discharge detector of a gas insulating switch, which comprises a gas insulating switch body, an ultrahigh frequency (UHF) local discharge measurement sensor fixed in the gas insulating switch body, an external local discharge UHF sensor additionally arranged outside the gas insulating switch body, a signal processing unit, a setting unit and a noise identifying unit. The detector is characterized by also comprising a data display unit, a storage unit and a searching unit, wherein data of the data display unit is displayed in the form of a two-dimensional graph or a three-dimensional graph, meanwhile, historical management data in the storage unit can be updated at regular time, and fault data can be updated in real time. In the invention, the local discharge detector of the gas insulating switch has the advantages of more reliable performance, stronger applicability and convenience for popularization and use.

Description

A kind of gas-insulated switch Partial discharge detector
Technical field
The present invention is a gas-insulated switch Partial discharge detector, belongs to the power industry measuring instrument.
Background technology
At present, often adopt the inspection exterior antenna to detect uhf electromagnetic wave to the gas-insulated switchgear shelf depreciation and estimate, this method sensitivity is low, and is subject to the influence of external interference, only is used for qualitative detection office and puts.Another kind of is internal sensor, but does not carry out the optimization of architectural characteristic, therefore has certain limitation.
Summary of the invention
Purpose of the present invention just provides a kind of gas-insulated switch Partial discharge detector, it is highly sensitive, be not subject to outside electromagnetic interference, dependable performance the more important thing is to have powerful application function, shows, is provided with and storage, search is more convenient and be directly perceived.
In view of above purpose, the invention provides a kind of gas-insulated switch Partial discharge detector, comprise the gas-insulated switch body, be fixed on that the UHF survey sensor is put in the intrinsic ultrahigh frequency of gas-insulated office, the external office that is attached to the gas-insulated switch outside puts ultrahigh frequency UHF sensor, signal processing unit and unit, noise recognizing unit are set
It is characterized in that also comprising data display unit, show measurement data in real time, comprise that real-time peak value shows, real-time average data shows, the real-time phase data presentation;
Storage unit comprises historical data management, fault data management;
Search unit comprises the search of the search of historical data archives, fault file search and two dimension or three-dimensional plot.
Described signal processing unit comprises signals collecting, signal amplification, signal filtering, signal classification and A/D converting unit.
Described data display unit is that the form with two dimension or three-dimensional plot shows.
Data in the historical data management in the described storage unit were upgraded once in per 15 minutes automatically, and the fault management data in the storage unit are to carry out record when fault takes place, and come record with the form of incident density or incident threshold values.
The described unit that is provided with comprises phase place, color, threshold values, collection of illustrative plates thickness, imports multiparameter settings such as synchronous.
Description of drawings
Fig. 1 is the structural drawing of gas-insulated switch of the present invention Partial discharge detector.
Embodiment
Be the structural drawing of gas-insulated switch of the present invention Partial discharge detector as shown in Figure 1.This gas-insulated switch Partial discharge detector comprises the gas-insulated switch body, be fixed on that the UHF survey sensor is put in the intrinsic ultrahigh frequency of gas-insulated switch office, the external office that is attached to the gas-insulated switch outside puts ultrahigh frequency UHF sensor, signal processing unit and unit, noise recognizing unit are set
Also comprise data display unit, show measurement data in real time, comprise that real-time peak value shows, real-time average data shows, the real-time phase data presentation;
Storage unit comprises historical data management, fault data management;
Search unit comprises the search of the search of historical data archives, fault file search and two dimension or three-dimensional plot.
Described signal processing unit comprises signals collecting, signal amplification, signal filtering, signal classification and A/D converting unit.
Described data display unit is that the form with two dimension or three-dimensional plot shows.
Data in the historical data management in the described storage unit were upgraded once in per 15 minutes automatically, and the fault management data in the storage unit are to carry out record when fault takes place, and come record with the form of incident density or incident threshold values.
The described unit that is provided with comprises phase place, color, threshold values, collection of illustrative plates thickness, imports multiparameter settings such as synchronous.
Gas-insulated switch of the present invention Partial discharge detector is simple to operate, easy to use, and Noise Recognition makes more reliable performance of the present invention, and powerful display unit, storage unit and search unit makes its application stronger simultaneously, is convenient to promote.
Gas-insulated switch provided by the invention Partial discharge detector is a kind of pick-up unit to shelf depreciation, and above embodiment is only in order to explanation, and unrestricted technical scheme of the present invention.Those of ordinary skill in the art is to be understood that: the present invention is made amendment or is equal to replacement, and do not break away from any modification or partial replacement of the spirit and scope of the present invention, all should be encompassed in the middle of the claim scope of the present invention.

Claims (7)

1. gas-insulated switch Partial discharge detector, comprise the gas-insulated switch body, be fixed on that the UHF survey sensor is put in the intrinsic ultrahigh frequency of gas-insulated office, the external office that is attached to the gas-insulated switch outside puts ultrahigh frequency UHF sensor, signal processing unit and the unit is set, it is characterized in that also comprising
Data display unit shows measurement data in real time, comprises that real-time peak value shows, real-time average data shows, the real-time phase data presentation;
Storage unit comprises historical data management, fault data management;
Search unit comprises the search of the search of historical data archives, fault file search and two dimension or three-dimensional plot.
2. gas-insulated switch as claimed in claim 1 Partial discharge detector is characterized in that: described signal processing unit comprises signals collecting, signal amplification, signal filtering, signal classification and A/D converting unit.
3. gas-insulated switch as claimed in claim 1 Partial discharge detector is characterized in that: described data display unit is that the form with two dimension or three-dimensional plot shows.
4. gas-insulated switch as claimed in claim 1 Partial discharge detector is characterized in that: the data in the historical data management in the described storage unit were upgraded once in per 15 minutes automatically.
5. gas-insulated switch as claimed in claim 1 Partial discharge detector, it is characterized in that: the fault management data in the described storage unit are to carry out record when fault takes place, and come record with the form of incident density or incident threshold values.
6. gas-insulated switch as claimed in claim 1 Partial discharge detector is characterized in that: the described unit that is provided with comprises phase place, color, threshold values, collection of illustrative plates thickness, the synchronous multiparameter setting of input.
7. gas-insulated switch as claimed in claim 1 Partial discharge detector is characterized in that: also comprise noise recognizing unit, can discern noise drawn game discharge signal automatically.
CN2009102002829A 2009-12-10 2009-12-10 Local discharge detector of gas insulating switch Pending CN102096025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102002829A CN102096025A (en) 2009-12-10 2009-12-10 Local discharge detector of gas insulating switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102002829A CN102096025A (en) 2009-12-10 2009-12-10 Local discharge detector of gas insulating switch

Publications (1)

Publication Number Publication Date
CN102096025A true CN102096025A (en) 2011-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009102002829A Pending CN102096025A (en) 2009-12-10 2009-12-10 Local discharge detector of gas insulating switch

Country Status (1)

Country Link
CN (1) CN102096025A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103529368A (en) * 2013-10-21 2014-01-22 国家电网公司 Online monitoring system for ultrahigh-frequency partial discharge of high-voltage parallel reactors of substation
CN106291279A (en) * 2016-08-03 2017-01-04 中国电力科学研究院 A kind of system and method eliminating external disturbance based on omnidirectional's UHF noise transducer
CN106405340A (en) * 2015-07-30 2017-02-15 上海欧秒电力监测设备有限公司 GIS fault indication system based on partial discharge sensor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1673762A (en) * 2005-04-26 2005-09-28 重庆大学 Gasinsulation combined electric device local discharge analog experimental apparatus and experimental method
CN1834669A (en) * 2006-04-19 2006-09-20 重庆大学 On-line detecting and positioning device for local discharging of electrical insulated combined electrical appliance, and positioning method thereof
CN1924595A (en) * 2006-09-20 2007-03-07 重庆大学 Virtual instrument technique based gas insulation combined electric appliances online detecting method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1673762A (en) * 2005-04-26 2005-09-28 重庆大学 Gasinsulation combined electric device local discharge analog experimental apparatus and experimental method
CN1834669A (en) * 2006-04-19 2006-09-20 重庆大学 On-line detecting and positioning device for local discharging of electrical insulated combined electrical appliance, and positioning method thereof
CN1924595A (en) * 2006-09-20 2007-03-07 重庆大学 Virtual instrument technique based gas insulation combined electric appliances online detecting method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张晓星: "组合电器局部放电非线性鉴别特征提取与模式识别方法研究", 《中国优秀博硕士学位论文全文数据库(博士) 工程科技II辑》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103529368A (en) * 2013-10-21 2014-01-22 国家电网公司 Online monitoring system for ultrahigh-frequency partial discharge of high-voltage parallel reactors of substation
CN106405340A (en) * 2015-07-30 2017-02-15 上海欧秒电力监测设备有限公司 GIS fault indication system based on partial discharge sensor
CN106291279A (en) * 2016-08-03 2017-01-04 中国电力科学研究院 A kind of system and method eliminating external disturbance based on omnidirectional's UHF noise transducer

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Application publication date: 20110615