CN105510732A - Power transformer monitoring system and method - Google Patents
Power transformer monitoring system and method Download PDFInfo
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- CN105510732A CN105510732A CN201510835117.6A CN201510835117A CN105510732A CN 105510732 A CN105510732 A CN 105510732A CN 201510835117 A CN201510835117 A CN 201510835117A CN 105510732 A CN105510732 A CN 105510732A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention relates to a power transformer monitoring system and method. The system is characterized by comprising a grounding current monitoring module, an oil-dissolved gas monitoring module, a partial discharge monitoring module and a temperature monitoring module. The output ends of the grounding current monitoring module, the oil-dissolved gas monitoring module, the partial discharge monitoring module and the temperature monitoring module are respectively connected with the input end of a signal acquisition module. The output end of the signal acquisition module is successively connected with a conversion module and a CPU processing module. The CPU processing module is also connected with a display module and an alarm module respectively. Based on the monitoring system and method, the fault state of a current power supply transformer can be automatically acquired and reported on the scene. Meanwhile, the system is simple in structure and low in application cost.
Description
Technical field
The present invention relates to a kind of Power Transformer Monitoring System and method.
Background technology
Along with the development of national economy, the raising of living standards of the people, electric utility increases rapidly, and installed capacity and electrical network scale increase day by day, and the requirement of people to the operational reliability of equipment in electric system improves constantly.In the operation and maintenance of modern electric equipment, power transformer not only belongs to the row of equipment most important and the most expensive in electric system, and be one of equipment of causing power system accident maximum, its fault may cause great harm and impact to electric system and user.Therefore, both at home and abroad always using power transformer on-line checkingi and diagnostic techniques as important scientific research project, the technology that great majority use now has shelf depreciation method, and Chromatographic Analysis Method of Transformer Oil etc.
Transformer is as sending out visual plant in transformer substation system, the necessity being arranged on line monitoring system becomes the common recognition of power industry gradually, the work efficiency of power transformer represents the financial income of power department, the on-line monitoring of transformer improves reliability of operation, delay the input of maintenance cost, extend time between overhauls(TBO) and transformer life, the economic benefit brought thus is considerable.The on-line monitoring technique of power equipment is developing direction from now on, has wide market outlook.
Summary of the invention
An object of the present invention is to provide a kind of Power Transformer Monitoring System easy for installation, automatically can gather at the scene and report current supply transformer malfunction, and its structure is simple, and application cost is lower.
Two of object of the present invention is to provide a kind of electricity transformer monitoring method used in above-mentioned monitoring system, automatically can gather at the scene and report current supply transformer malfunction.
A kind of Power Transformer Monitoring System, its special feature is: comprise ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module and temperature monitoring module, this ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module are connected with the input end of signal acquisition module respectively with the output terminal of temperature monitoring module, the output terminal of this signal acquisition module is connected with modular converter, CPU processing module successively, and this CPU processing module is also connected with display module and alarm module respectively.
Wherein modular converter adopts A/D modular converter.
Wherein signal acquisition module adopts hall signal acquisition module.
A kind of electricity transformer monitoring method, its special feature is, comprises the steps:
A, Signal reception: after transformer work, send corresponding hall signal by the monitoring of ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module and temperature monitoring module, then carry out signal collection by signal acquisition module;
B, signal are changed: signal acquisition module carries out Modulation recognition and conversion the signal transmission after acceptance in modular converter, subsequently different signals is converted into the data corresponding to its signal and is delivered to CPU processing module;
C, signal transacting: CPU processing module processes it, analyzes and classifies after receiving data, when there being one group of data or more group data to go wrong, CPU processing module then gives alarm module and carries corresponding data-signal, alarm module is made to report to the police and show on display module, simultaneously, control transformer quits work, if do not go wrong, CPU processing module is then transported to corresponding data on display module and shows.
Compared with prior art, the invention has the advantages that: monitoring system of the present invention carries out temperature by transformer monitoring module to transformer, ground current, the monitoring of dissolved gas in oil and shelf depreciation, then by signal acquisition module and modular converter to the reception of its hall signal and change into corresponding data, the data converted it into subsequently are transported in CPU processing module and process, analyze and classification, if when having problem, then by alarm module give the alarm and control transformer quit work, if time no problem, CPU processing module is then delivered directly to its data on display module and shows.Monitoring system of the present invention and method can realize automatically gathering and report current supply transformer malfunction at the scene, and system architecture is simple, and application cost is lower.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of Power Transformer Monitoring System, comprise (transformer) ground current monitoring modular, (transformer) dissolved gas in oil monitoring modular, (transformer) partial discharge monitoring module and (transformer) temperature monitoring module, this ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module is connected with the input end of signal acquisition module respectively with the output terminal of temperature monitoring module, the output terminal of this signal acquisition module successively with modular converter, CPU processing module (such as Micro-processor MCV) connects, this CPU processing module is also connected with display module and alarm module respectively.
Wherein modular converter adopts A/D modular converter, and signal acquisition module adopts hall signal acquisition module.
A kind of electricity transformer monitoring method, comprises the steps:
A, Signal reception: after transformer work, send corresponding hall signal by the monitoring of ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module and temperature monitoring module, then carry out signal collection by signal acquisition module;
B, signal are changed: signal acquisition module carries out Modulation recognition and conversion the signal transmission after acceptance in modular converter, subsequently different signals is converted into the data corresponding to its signal and is delivered to CPU processing module;
C, signal transacting: CPU processing module processes its data, analyze and classifies after receiving data, when there being one group of data or more group data to go wrong, CPU processing module then gives alarm module and carries corresponding data-signal, alarm module is made to report to the police and show on display module, simultaneously, control transformer quits work, if do not go wrong, CPU processing module is then transported to corresponding data on display module and shows.
Embodiment 1:
As shown in Figure 1, the monitoring system of power transformer provided by the present invention, comprise transformer, transformer monitoring module, signal acquisition module, modular converter, CPU processing module, display module and alarm module, described transformer monitoring module is positioned on transformer, described transformer monitoring module is connected with signal acquisition module in turn from front to back, modular converter, CPU processing module and display module, described alarm module one end is connected with CPU processing module, the other end is connected with display module and transformer respectively, ground current monitoring modular is included successively from top to bottom in described transformer monitoring module, dissolved gas in oil monitoring modular, partial discharge monitoring module and temperature monitoring module, described modular converter is specially A/D modular converter, described signal acquisition module is specially hall signal acquisition module.
As shown in Figure 1, the method of the monitoring of this power transformer, comprise the steps, first transformer work, by ground current monitoring modular, dissolved gas in oil monitoring modular, the monitoring of partial discharge monitoring module and temperature monitoring module also sends its corresponding hall signal, collection signal is carried out again by signal acquisition module, signal acquisition module carries out Modulation recognition and conversion the signal transmission after acceptance in modular converter, subsequently different signals being converted into the data corresponding to its signal is transported in CPU processing module, CPU processing module after receiving data to its data processing, analyze and classification, if when having one group of data or multi-group data to go wrong, CPU processing module then gives alarm module and carries corresponding data-signal, alarm module is sounded and shows on display module, simultaneously, control transformer quits work, if no problem, CPU processing module is then transported to corresponding data on display module and shows.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, it will be understood by those of skill in the art that it still can be modified to the technical scheme described in previous embodiment, or wherein portion of techniques feature is replaced on an equal basis; And these amendments or replacement, do not make the essence of appropriate technical solution depart from spirit and the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a Power Transformer Monitoring System, it is characterized in that: comprise ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module and temperature monitoring module, this ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module are connected with the input end of signal acquisition module respectively with the output terminal of temperature monitoring module, the output terminal of this signal acquisition module is connected with modular converter, CPU processing module successively, and this CPU processing module is also connected with display module and alarm module respectively.
2. Power Transformer Monitoring System as claimed in claim 1, is characterized in that: wherein modular converter adopts A/D modular converter.
3. Power Transformer Monitoring System as claimed in claim 1, is characterized in that: wherein signal acquisition module adopts hall signal acquisition module.
4. an electricity transformer monitoring method, is characterized in that, comprises the steps:
A, Signal reception: after transformer work, send corresponding hall signal by the monitoring of ground current monitoring modular, dissolved gas in oil monitoring modular, partial discharge monitoring module and temperature monitoring module, then carry out signal collection by signal acquisition module;
B, signal are changed: signal acquisition module carries out Modulation recognition and conversion the signal transmission after acceptance in modular converter, subsequently different signals is converted into the data corresponding to its signal and is delivered to CPU processing module;
C, signal transacting: CPU processing module processes it, analyzes and classifies after receiving data, when there being one group of data or more group data to go wrong, CPU processing module then gives alarm module and carries corresponding data-signal, alarm module is made to report to the police and show on display module, simultaneously, control transformer quits work, if do not go wrong, CPU processing module is then transported to corresponding data on display module and shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835117.6A CN105510732A (en) | 2015-11-26 | 2015-11-26 | Power transformer monitoring system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835117.6A CN105510732A (en) | 2015-11-26 | 2015-11-26 | Power transformer monitoring system and method |
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| CN105510732A true CN105510732A (en) | 2016-04-20 |
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| CN201510835117.6A Pending CN105510732A (en) | 2015-11-26 | 2015-11-26 | Power transformer monitoring system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109612601A (en) * | 2018-12-25 | 2019-04-12 | 国网宁夏电力有限公司电力科学研究院 | A kind of power equipment temperature and shelf depreciation integrated detection system and method |
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| JP2009281985A (en) * | 2008-05-26 | 2009-12-03 | Hitachi Industrial Equipment Systems Co Ltd | Power supply monitoring device |
| CN201548633U (en) * | 2009-11-16 | 2010-08-11 | 山东电力设备厂 | Intelligent online monitoring system of transformer |
| CN201637794U (en) * | 2010-02-10 | 2010-11-17 | 山东泰开变压器有限公司 | Transformer on-line monitoring and manufacturer remote monitoring system based on wireless transmission |
| CN202141769U (en) * | 2011-07-20 | 2012-02-08 | 唐江 | On-line monitoring and fault diagnosis system for transformer state |
| CN203337747U (en) * | 2013-05-20 | 2013-12-11 | 山东彩虹节能服务有限公司 | Monitoring device of transformer states |
| CN104266679A (en) * | 2014-10-08 | 2015-01-07 | 国家电网公司 | Method and device for monitoring and diagnosing power transformer |
| CN204462278U (en) * | 2015-03-05 | 2015-07-08 | 山东理工大学 | Based on the distribution transformer status monitoring information acquisition and processing system of IEC61850 standard |
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2015
- 2015-11-26 CN CN201510835117.6A patent/CN105510732A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009281985A (en) * | 2008-05-26 | 2009-12-03 | Hitachi Industrial Equipment Systems Co Ltd | Power supply monitoring device |
| CN201548633U (en) * | 2009-11-16 | 2010-08-11 | 山东电力设备厂 | Intelligent online monitoring system of transformer |
| CN201637794U (en) * | 2010-02-10 | 2010-11-17 | 山东泰开变压器有限公司 | Transformer on-line monitoring and manufacturer remote monitoring system based on wireless transmission |
| CN202141769U (en) * | 2011-07-20 | 2012-02-08 | 唐江 | On-line monitoring and fault diagnosis system for transformer state |
| CN203337747U (en) * | 2013-05-20 | 2013-12-11 | 山东彩虹节能服务有限公司 | Monitoring device of transformer states |
| CN104266679A (en) * | 2014-10-08 | 2015-01-07 | 国家电网公司 | Method and device for monitoring and diagnosing power transformer |
| CN204462278U (en) * | 2015-03-05 | 2015-07-08 | 山东理工大学 | Based on the distribution transformer status monitoring information acquisition and processing system of IEC61850 standard |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109612601A (en) * | 2018-12-25 | 2019-04-12 | 国网宁夏电力有限公司电力科学研究院 | A kind of power equipment temperature and shelf depreciation integrated detection system and method |
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Application publication date: 20160420 |