CN202141769U - On-line monitoring and fault diagnosis system for transformer state - Google Patents

On-line monitoring and fault diagnosis system for transformer state Download PDF

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Publication number
CN202141769U
CN202141769U CN201120257825U CN201120257825U CN202141769U CN 202141769 U CN202141769 U CN 202141769U CN 201120257825 U CN201120257825 U CN 201120257825U CN 201120257825 U CN201120257825 U CN 201120257825U CN 202141769 U CN202141769 U CN 202141769U
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China
Prior art keywords
module
fault diagnosis
transformer
transformer state
host computer
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Expired - Fee Related
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CN201120257825U
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Chinese (zh)
Inventor
唐江
付丽君
赵煦
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唐江
付丽君
赵煦
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Priority to CN201120257825U priority Critical patent/CN202141769U/en
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Publication of CN202141769U publication Critical patent/CN202141769U/en
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Abstract

The utility model provides an on-line monitoring and fault diagnosis system for transformer state, which comprises a monitor sub-system (1) and a host system (2), transformer state signals detected by the monitor sub-system (1) are transmitted to the host system (2) for carrying out a fault diagnosis, wherein the detection module in the monitor sub-system (1) at least comprises one of the following modules: a monitor module for gas composition and content in oil, a detection module for local discharge capacity, a monitor module for transformer magnetic distortion, a measurement module for infrared temperature, a measurement module for water in oil, a measurement module for electrical quantity and a measurement module for vibration. The on-line monitoring and fault diagnosis system for transformer state according to the utility model detects various kinds of state signals of a transformer via the monitor sub-system, transmits the signals to the host system for carrying out a fault diagnosis after amplifying and filtering the signals, and can analyse the fault, alarm in stages according to order of severity, and transmit to a superior transformer substation management system.

Description

A kind of transformer state on-line monitoring and fault diagnosis system
Technical field
The utility model relates to a kind of detection diagnostic system, is a kind of transformer state on-line monitoring and fault diagnosis system specifically.
Background technology
Power transformer is one of equipment most crucial in the electric system, plays the vital role of voltage transformation, power distribution, and the normal operation of power transformer is the important assurance of power system security, reliable, high-quality, economical operation.At present; China's electric system is to the testing of transformer; Mainly remain requirement, regularly carry out preventive trial, come the operation conditions of judgment device according to the result of test according to " the preventative property of electrical equipment testing regulations "; Thereby confirm whether transformer continues to put into operation, this method can play a role to timely discovery, diagnosis transformer defective.But in recent years; Fast development along with power industry; Increasingly high to the requirement of power equipment reliability index, this traditional test diagnosis, the method for overhauling by the time demonstrate its irrationality gradually: non-working condition tests, and the accuracy, the maintenance interval cycle that influence testing result are unreasonable; Cause excessive maintenance easily, have a power failure and test maintenance, cause a large amount of economic losses.
The utility model content
The technical matters that the utility model will solve is: a kind of transformer state on-line monitoring and fault diagnosis system are provided, and the state that it can real-time, online detection transformer, and carry out fault diagnosis.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of transformer state on-line monitoring and fault diagnosis system; Comprise monitoring subsystem and host computer system; Be transferred to behind the detected transformer state signal of said monitoring subsystem and carry out fault diagnosis in the host computer system; Wherein, the detection module in the said monitoring subsystem comprises in the oil a kind of in the gas componant and content monitoring modular, partial discharge quantity detection module, transformer distortion of field monitoring modular, infrared thermography module, water content in oil measurement module, electrical quantities measurement module and vibration survey module at least.
Be preferably, the detected transformer state signal of the detection module in the said monitoring subsystem is through amplification, filtering circuit, and traffic pilot and A/D converter are transferred to host computer system after handling again.
Be preferably, said host computer system comprises memory module, communication module, power module and the man-machine interface that is connected with central processing unit.
Be preferably, the signal after said host computer system processes is transferred to upper level substation management system.
Be preferably, said host computer system also is connected with warning device.
Described transformer state on-line monitoring of the utility model and fault diagnosis system; It detects the various status signals of transformer through monitoring subsystem; Carry out fault diagnosis through being transferred to host computer system after amplification, the filtering; And can analyze fault, carry out classifying alarm according to the order of severity, and be transferred to upper level substation management system.
Description of drawings
Fig. 1 is the structured flowchart of said transformer state on-line monitoring of the utility model and fault diagnosis system.
Embodiment
Below combine accompanying drawing that the utility model is made more detailed description with embodiment.Present embodiment only is the description to the utility model preferred forms, and the scope to the utility model does not have any restriction.
Embodiment
As shown in Figure 1; Said transformer state on-line monitoring and fault diagnosis system; Comprise monitoring subsystem 1 and host computer system 2; Be transferred to behind the said monitoring subsystem 1 detected transformer state signal and carry out fault diagnosis in the host computer system 2, the detection module in the said monitoring subsystem 1 comprises in the oil a kind of in the gas componant and content monitoring modular, partial discharge quantity detection module, transformer distortion of field monitoring modular, infrared thermography module, water content in oil measurement module, electrical quantities measurement module and vibration survey module at least.
Preferably, the detected transformer state signal of the detection module in the said monitoring subsystem 1, is transferred in the host computer system 2 through multipath conversion buffering output module after traffic pilot and A/D converter are handled through amplification, filtering circuit, carries out fault diagnosis.Said host computer system 2 comprises memory module, communication module, power module and the man-machine interface that is connected with central processing unit (CPU).Certainly, host computer system 2 can also comprise other functional modules, as printing serial port module, I/O module and communication module etc.
Preferably, the signal after said host computer system 2 is handled is transferred to upper level substation management system 3.Said host computer system 2 also is connected with warning device 4.

Claims (5)

1. transformer state on-line monitoring and fault diagnosis system comprise monitoring subsystem (1) and host computer system (2), are transferred in the host computer system (2) behind the detected transformer state signal of said monitoring subsystem (1) and carry out fault diagnosis, it is characterized in that:
Detection module in the said monitoring subsystem (1) comprises in the oil a kind of in the gas componant and content monitoring modular, partial discharge quantity detection module, transformer distortion of field monitoring modular, infrared thermography module, water content in oil measurement module, electrical quantities measurement module and vibration survey module at least.
2. transformer state on-line monitoring according to claim 1 and fault diagnosis system; It is characterized in that: the detected transformer state signal of the detection module in the said monitoring subsystem (1) is through amplification, filtering circuit; Traffic pilot and A/D converter are transferred to host computer system (2) after handling again.
3. transformer state on-line monitoring according to claim 1 and 2 and fault diagnosis system is characterized in that: said host computer system (2) comprises memory module, communication module, power module and the man-machine interface that is connected with central processing unit.
4. transformer state on-line monitoring according to claim 3 and fault diagnosis system is characterized in that: the signal after said host computer system (2) is handled is transferred to upper level substation management system (3).
5. transformer state on-line monitoring according to claim 4 and fault diagnosis system is characterized in that: said host computer system (2) also is connected with warning device (4).
CN201120257825U 2011-07-20 2011-07-20 On-line monitoring and fault diagnosis system for transformer state Expired - Fee Related CN202141769U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120257825U CN202141769U (en) 2011-07-20 2011-07-20 On-line monitoring and fault diagnosis system for transformer state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120257825U CN202141769U (en) 2011-07-20 2011-07-20 On-line monitoring and fault diagnosis system for transformer state

Publications (1)

Publication Number Publication Date
CN202141769U true CN202141769U (en) 2012-02-08

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CN201120257825U Expired - Fee Related CN202141769U (en) 2011-07-20 2011-07-20 On-line monitoring and fault diagnosis system for transformer state

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CN (1) CN202141769U (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102608406A (en) * 2012-03-21 2012-07-25 武汉贝连测控技术有限公司 Electric current monitoring terminal of online monitoring device for capacitive equipment of transformer substation
CN103149476A (en) * 2013-02-06 2013-06-12 浙江大学 Electric-vibration model-based power transformer failure diagnosis method
CN103558494A (en) * 2013-10-31 2014-02-05 何正浩 Online monitoring system and monitoring method for turn-to-turn short circuit of power distribution transformer
CN103674281A (en) * 2012-09-21 2014-03-26 杭州美盛红外光电技术有限公司 A diagnostic device and a diagnosis method
CN103941025A (en) * 2014-04-21 2014-07-23 江苏骏龙电力科技股份有限公司 Portable and on-line monitoring dual-purpose device for monitoring trace water in transformer oil
CN104914328A (en) * 2015-05-15 2015-09-16 国家电网公司 Substation online monitoring device fault automatic diagnosis method
CN105510732A (en) * 2015-11-26 2016-04-20 国家电网公司 Power transformer monitoring system and method
CN106291158A (en) * 2015-06-25 2017-01-04 韩国飞世龙C&C有限公司 Real time load monitoring and insulating oil deterioration diagnosis method and intelligent transformer
CN107085154A (en) * 2017-05-11 2017-08-22 句容市江电电器机械有限公司 Transformer fault state on_line monitoring data collecting system
CN107356845A (en) * 2017-06-27 2017-11-17 海南电网有限责任公司电力科学研究院 Two-winding transformer on-line monitoring system
CN107884647A (en) * 2017-11-06 2018-04-06 南京力通达电气技术有限公司 Transformer fault early warning system based on data mining
CN110531212A (en) * 2019-10-14 2019-12-03 江苏优维安信息科技有限公司 A kind of substation safety monitoring management platform

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102608406A (en) * 2012-03-21 2012-07-25 武汉贝连测控技术有限公司 Electric current monitoring terminal of online monitoring device for capacitive equipment of transformer substation
CN103674281A (en) * 2012-09-21 2014-03-26 杭州美盛红外光电技术有限公司 A diagnostic device and a diagnosis method
CN103149476A (en) * 2013-02-06 2013-06-12 浙江大学 Electric-vibration model-based power transformer failure diagnosis method
CN103149476B (en) * 2013-02-06 2015-08-26 国家电网公司 A kind of method for diagnosing fault of power transformer based on electricity-model of vibration
CN103558494A (en) * 2013-10-31 2014-02-05 何正浩 Online monitoring system and monitoring method for turn-to-turn short circuit of power distribution transformer
CN103941025A (en) * 2014-04-21 2014-07-23 江苏骏龙电力科技股份有限公司 Portable and on-line monitoring dual-purpose device for monitoring trace water in transformer oil
CN104914328A (en) * 2015-05-15 2015-09-16 国家电网公司 Substation online monitoring device fault automatic diagnosis method
CN106291158A (en) * 2015-06-25 2017-01-04 韩国飞世龙C&C有限公司 Real time load monitoring and insulating oil deterioration diagnosis method and intelligent transformer
CN105510732A (en) * 2015-11-26 2016-04-20 国家电网公司 Power transformer monitoring system and method
CN107085154A (en) * 2017-05-11 2017-08-22 句容市江电电器机械有限公司 Transformer fault state on_line monitoring data collecting system
CN107356845A (en) * 2017-06-27 2017-11-17 海南电网有限责任公司电力科学研究院 Two-winding transformer on-line monitoring system
CN107884647A (en) * 2017-11-06 2018-04-06 南京力通达电气技术有限公司 Transformer fault early warning system based on data mining
CN110531212A (en) * 2019-10-14 2019-12-03 江苏优维安信息科技有限公司 A kind of substation safety monitoring management platform

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Granted publication date: 20120208

Termination date: 20130720

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