CN103855685A - Method for starting electric quantity protection through transformer non-electric quantity protection to conduct fault recording - Google Patents

Method for starting electric quantity protection through transformer non-electric quantity protection to conduct fault recording Download PDF

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Publication number
CN103855685A
CN103855685A CN201410093013.8A CN201410093013A CN103855685A CN 103855685 A CN103855685 A CN 103855685A CN 201410093013 A CN201410093013 A CN 201410093013A CN 103855685 A CN103855685 A CN 103855685A
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CN
China
Prior art keywords
transformer
electric quantity
protection
electric parameters
recording
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Pending
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CN201410093013.8A
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Chinese (zh)
Inventor
刘志远
于晓军
潘亮亮
许天书
宋靖宁
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.)
State Grid Corp of China SGCC
State Grid Ningxia Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Ningxia Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Ningxia Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410093013.8A priority Critical patent/CN103855685A/en
Publication of CN103855685A publication Critical patent/CN103855685A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a method for starting electric quantity protection through transformer non-electric quantity protection to conduct fault recording. The method includes the following steps that firstly, when trip signals in transformer non-electric quantity protection are generated, non-electric quantity actuating signals are directly input into a transformer electric quantity protection device; secondly, when it is detected that the non-electric quantity actuating signals are input, the transformer electric quantity protection device starts a fault transformer electric quantity protection device to begin to conduct recording; thirdly, when fault recording is started, the transformer electric quantity protection device automatically conducts joint recording on transformer protection non-electric quantities and electric quantities. The method has the advantages that a transformer non-electric quantity protection outlet electrical independent contact is directly connected into a transformer electric quantity protection input end, and therefore it is achieved that transformer electric quantity protection is directly started through transformer non-electric quantity protection to conduct fault recording; by the combination of transformer non-electric quantity protection with transformer electric quantity protection fault recording, fault analysis is conducted, and therefore faults can be conveniently positioned and judged.

Description

Protect the protection of startup electric parameters to carry out the method for failure wave-recording by transformer non-electricity
Technical field
The present invention relates to a kind of method that starts electric parameters protection and carry out failure wave-recording of protecting by transformer non-electricity.
Background technology
Transformer is as the most important equipment of the occasion such as transformer station, power plant, and the whether healthy safe and stable operation that is directly connected to electrical network of transformer state, so transformer is always the object that electrical network is mainly protected.For the ease of transformer fault being diagnosed and being analyzed; in some main and the more plant stand of equipment; transformer is all furnished with independent fault wave recording device; but few at equipment; the plant stand that electric pressure is lower; tranformer protection does not configure independent fault wave recording device; therefore; after transformer non-electricity protection malfunction; more difficult to accident analysis, be unfavorable for rapidly transformer fault being positioned and judging, postpone electric power feeding time; affecting power network safety operation, mainly there is following problem in it:
1, do not configure separately the tranformer protection of transformer fault wave recording device; after transformer non-electricity protection action; can not comprehensively judge fault with reference to the protection of transformer electric parameters; be unfavorable for tranformer protection action reason to analyze; extend transformer forced outage duration, affect the power supply reliability of electrical network.2, transformer non-electricity is mainly manifested in the parameter such as pressure, temperature; transformer non-electricity shows obvious parameter, not necessarily causes the larger variation of electric parameters, therefore; even after transformer non-electricity protection action, may not cause electric parameters sudden change and startup failure wave-recording.3, after transformer non-electricity protection action, need to be to a complete set of tests such as transformer body do that straight resistance, insulation, oiling are tested.Test duration is relatively long, and similar oiling the test such as is tested and can not be obtained a result then and there, has virtually increased fault handling time.4, the plant stand few at equipment, electric pressure is lower, configure separately transformer fault wave recording device, is irrational economically, therefore need not be to a transformer fault wave recording device of configuration separately.
Summary of the invention
The object of this invention is to provide a kind of method that starts electric parameters protection and carry out failure wave-recording of protecting by transformer non-electricity, carry out failure wave-recording after can realizing transformer non-electricity protection action.
Protect the protection of startup electric parameters to carry out a method for failure wave-recording by transformer non-electricity, its special feature is, comprises the steps:
(1) in the time that the trip signal in transformer non-electricity protection produces, non electrical quantity actuating signal is directly opened into transformer electric parameters protective device;
(2) open fashionablely when transformer electric parameters protective device has detected non electrical quantity trip signal, transformer electric parameters protective device starts failure transformer electric parameters protective device and starts to record ripple;
(3), when starting after failure wave-recording, by transformer electric parameters protective device, the non electrical quantity to tranformer protection and electric parameters links and record ripple automatically.
Trip signal in step (1) refers to the high tripping operation of oil temperature, weighs gas tripping operation, trips around the high tripping operation of temperature or earth pressure release.
Technical scheme of the present invention adopts the protection of non electrical quantity protection action outlet starting transformer electric parameters to carry out failure wave-recording; its beneficial effect is: a, utilize transformer non-electricity protection outlet without source contact; directly the protection of access transformer electric parameters is opened into end, realizes transformer non-electricity and protects direct starting transformer electric parameters protection failure wave-recording.B, utilize transformer non-electricity to protect comprehensive transformer electric parameters protection failure wave-recording to carry out accident analysis, be conducive to fault position and judge.C, utilize transformer electric parameters protection to carry out the failure wave-recording of non electrical quantity protection action, not needing additionally increases independent wave recording device, reduces investment outlay, and maintains easily.D, the inventive method utilize transformer non-electricity protection outlet without source contact starting transformer electric parameters failure wave-recording, and implementation is simple, reliable.E, the inventive method utilize the protection of transformer non-electricity protection action interlock transformer electric parameters to start failure wave-recording.The logic of the inventive method is simple and reliable, and it is convenient to realize, the power plant that is particularly suitable for having moved, low pressure plant stand.
Accompanying drawing explanation
Accompanying drawing 1 is for opening entry loop figure in the transformer electric parameters protective device outside in the inventive method;
Accompanying drawing 2 is that the transformer electric parameters protective device failure wave-recording in the inventive method starts schematic diagram.
Embodiment
The present invention is a kind of method that starts electric parameters protection and carry out failure wave-recording of protecting by transformer non-electricity, comprises the steps:
(1) in the time that the trip signal in transformer non-electricity protection produces, non electrical quantity actuating signal is directly opened into transformer electric parameters protective device; This trip signal refers to the high tripping operation of oil temperature, weighs gas tripping operation, trips around the high tripping operation of temperature or earth pressure release, and air-cooled full cut-off adds that transformer temperature is high.
(2) open fashionablely when transformer electric parameters protective device has detected non electrical quantity trip signal, transformer electric parameters protective device starting transformer electric parameters protective device starts to record ripple.
(3), when starting after failure wave-recording, by transformer electric parameters protective device, the non electrical quantity to tranformer protection and electric parameters links and record ripple automatically.
Adopt method of the present invention for transformer non-electricity protection and electric parameters protection simultaneously the situation of group screen can in screen, increase back panel wiring and can realize, while protecting difference for transformer non-electricity protection with electric parameters, the situation of group screen can adopt cable between screen to be connected realization.The present invention is suitable for transformer non-electricity protection starting transformer electric parameters protection failure wave-recording, is particularly useful for using in the plant stand that has tranformer protection but do not configure independent failure record ripple.The transformer non-electricity protection of the present invention's design starts electric parameters protection failure wave-recording; mainly non electrical quantity protection outlet to be connected to transformer electric parameters protective device without source contact open into end; by revising transformer electric parameters protective device failure wave-recording enable logic, start failure wave-recording thereby increase transformer non-electricity protection interlock transformer electric parameters protective device.
Embodiment 1:
For example Yinchuan of Ningxia Province east current conversion station 750kV1 main transformer; its electric parameters protection adopts southern auspicious relay protection RCS978 and the protection of Xu Ji WBH800 dual; non electrical quantity adopts southern auspicious relay protection RCS974 model, and to fault oscillograph screen of main transformer configuration, model is the SH2000 that Shenzhen double-core is produced separately.Analyze for convenience tranformer protection action, fault oscillograph screen has gathered the each side electric current and voltage of transformer, switching value signal.If employing the inventive method, can save fault oscillograph screen, only transformer non-electricity need be protected step switch amount signal access transformer two to overlap in electric parameters protection.If there is non electrical quantity protection action, or after other electric parameters protection actions, directly starting transformer electric parameters protective device starts to record ripple.Visible the inventive method not only facilitates accident analysis, and reduces investment.
If employing the present invention; in the time of the high tripping operation of transformer generation oil temperature; because when non-electricity protecting device exports tripping operation again; give high trip signal of oil temperature of transformer electric parameters protective device open into; starting transformer electric parameters protective device starts to record ripple, and transformer electric parameters protective device leaves electric parameters information and non electrical quantity into signal and records ripple simultaneously.By the time when protection personnel carry out accident analysis; can directly transfer the record ripple information in transformer electric parameters protective device, action judges to non electrical quantity can to contrast electric parameters information, therefrom can obtain very Useful Information; conveniently fault is processed, recovered in time power transmission.

Claims (2)

1. protect the protection of startup electric parameters to carry out a method for failure wave-recording by transformer non-electricity, it is characterized in that, comprise the steps:
(1) in the time that the trip signal in transformer non-electricity protection produces, non electrical quantity actuating signal is directly opened into transformer electric parameters protective device;
(2) open fashionablely when transformer electric parameters protective device has detected non electrical quantity trip signal, transformer electric parameters protective device starts failure transformer electric parameters protective device and starts to record ripple;
(3), when starting after failure wave-recording, by transformer electric parameters protective device, the non electrical quantity to tranformer protection and electric parameters links and record ripple automatically.
2. the method that starts electric parameters protection and carry out failure wave-recording of protecting by transformer non-electricity as claimed in claim 1, is characterized in that: the trip signal in step (1) refers to the high tripping operation of oil temperature, heavy gas tripping operation, around the high tripping operation of temperature or earth pressure release tripping operation.
CN201410093013.8A 2014-03-13 2014-03-13 Method for starting electric quantity protection through transformer non-electric quantity protection to conduct fault recording Pending CN103855685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410093013.8A CN103855685A (en) 2014-03-13 2014-03-13 Method for starting electric quantity protection through transformer non-electric quantity protection to conduct fault recording

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Application Number Priority Date Filing Date Title
CN201410093013.8A CN103855685A (en) 2014-03-13 2014-03-13 Method for starting electric quantity protection through transformer non-electric quantity protection to conduct fault recording

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110165778A (en) * 2019-05-07 2019-08-23 西安交通大学 A kind of oil-immersed power transformer non-ionizing energy loss fault wave recording device and method
CN110161357A (en) * 2019-05-07 2019-08-23 西安交通大学 A kind of oil-immersed power transformer pressure relief valve fault wave recording device and method
CN110231523A (en) * 2019-05-07 2019-09-13 西安交通大学 A kind of oil-immersed power transformer protection fault wave recording device and method
CN111834984A (en) * 2020-06-17 2020-10-27 南京国电南自电网自动化有限公司 Method, system and device for protecting non-electric quantity of transformer
CN112345846A (en) * 2020-09-27 2021-02-09 广东电网有限责任公司佛山供电局 Wave recording triggering method and system used in relay protection device test based on fixed value
CN113075502A (en) * 2021-03-29 2021-07-06 深圳供电局有限公司 Fault oscillograph
CN113835043A (en) * 2021-09-03 2021-12-24 深圳供电局有限公司 Transformer fault processing method and system

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CN203193252U (en) * 2013-04-24 2013-09-11 南自晋能自动化有限公司 Digital transformer protection device

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CN103001213A (en) * 2011-09-13 2013-03-27 辽宁省电力有限公司本溪供电公司 Continuous power supplying guarantee device for power supply
CN203193252U (en) * 2013-04-24 2013-09-11 南自晋能自动化有限公司 Digital transformer protection device

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110165778A (en) * 2019-05-07 2019-08-23 西安交通大学 A kind of oil-immersed power transformer non-ionizing energy loss fault wave recording device and method
CN110161357A (en) * 2019-05-07 2019-08-23 西安交通大学 A kind of oil-immersed power transformer pressure relief valve fault wave recording device and method
CN110231523A (en) * 2019-05-07 2019-09-13 西安交通大学 A kind of oil-immersed power transformer protection fault wave recording device and method
WO2020224534A1 (en) * 2019-05-07 2020-11-12 北京中瑞和电气有限公司 Oil-immersed power transformer non-electricity protection fault recording device and method
CN111834984A (en) * 2020-06-17 2020-10-27 南京国电南自电网自动化有限公司 Method, system and device for protecting non-electric quantity of transformer
CN111834984B (en) * 2020-06-17 2022-09-09 南京国电南自电网自动化有限公司 Method, system and device for protecting non-electric quantity of transformer
CN112345846A (en) * 2020-09-27 2021-02-09 广东电网有限责任公司佛山供电局 Wave recording triggering method and system used in relay protection device test based on fixed value
CN113075502A (en) * 2021-03-29 2021-07-06 深圳供电局有限公司 Fault oscillograph
CN113075502B (en) * 2021-03-29 2024-02-23 深圳供电局有限公司 Fault recorder
CN113835043A (en) * 2021-09-03 2021-12-24 深圳供电局有限公司 Transformer fault processing method and system
CN113835043B (en) * 2021-09-03 2024-01-16 深圳供电局有限公司 Transformer fault processing method and system

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Application publication date: 20140611

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