CN107328438A - A kind of power transformer runs comprehensive monitor system - Google Patents
A kind of power transformer runs comprehensive monitor system Download PDFInfo
- Publication number
- CN107328438A CN107328438A CN201710534477.1A CN201710534477A CN107328438A CN 107328438 A CN107328438 A CN 107328438A CN 201710534477 A CN201710534477 A CN 201710534477A CN 107328438 A CN107328438 A CN 107328438A
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- Prior art keywords
- transformer
- oil
- failure
- analysing terminal
- intelligent measure
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
A kind of power transformer runs comprehensive monitor system, is related to distribution network automated field.The present invention be in order to solve it is existing lack and meanwhile monitor the multiple service datas of transformer device and low monitoring accuracy the problem of.Intelligent measure analysing terminal, failure for judging transformer overheat and insulation ag(e)ing according to the changing rule of oil temperature and oil pressure, if the trend persistently risen occurs in the change curve of oil temperature or oil pressure, there is the failure of overheat and insulation ag(e)ing, alarmed in transformer；, if the trend of continuous decrease occurs in oil level change curve, there is seepage for transformer or steals the failure of oil, alarmed in the problem of being additionally operable to judge the seepage of transformer according to oil level changing rule or steal oil；The three-phase current and three-phase voltage that to collect are additionally operable to compared with the three-phase current and three-phase voltage of setting, judges whether the situation for voltage flicker occur, rising sharply with rapid drawdown, if being alarmed in time.It is used to monitor the failure that transformer occurs in the process of running.
Description
Technical field
The present invention relates to the comprehensive monitoring to transformer situation, belong to distribution network automated field.
Background technology
In power distribution network, distribution transformer platform area is large number of, power transformer installation site is more dispersed, and transformation
Qi Tai areas are large number of the shortcomings of there is measuring and controlling equipment redundancy, construction cost and high maintenance cost, due to that can not monitor change in real time
The abnormality occurred in the service data and running status of depressor, running is difficult to timely discovery, substantially failure
After generation, overhauled, the repair time is long, power supply quality is low, must after device damage rate is high, or even some equipment break down
Device fabrication manufacturer must be contacted to on-site maintenance, very big inconvenience is brought to user and device fabrication manufacturer, do not meet country and carry
The energy efficiency target gone out and State Grid Corporation of China's fine-grained management requirement.
The content of the invention
The present invention is low in order to solve the existing device and monitoring accuracy for lacking the monitoring multiple service datas of transformer simultaneously
The problem of.A kind of power transformer operation comprehensive monitor system is now provided.
A kind of power transformer runs comprehensive monitor system, it is characterised in that it includes intelligent measure analysing terminal 1, electricity
Parameter collection module 2, transformer parameter acquisition module 3, ambient parameter acquisition module 4 and power module 5,
Power module 5, for from step down side power taking, being that intelligent measure analysing terminal 1 is powered；
Electrical parameter acquisition module 2, for the three-phase current and three-phase voltage data during collection transformer station high-voltage side bus in real time,
And the data collected are sent to intelligent measure analysing terminal 1；
Transformer parameter acquisition module 3, oil temperature, oil pressure and oil level data for gathering transformer in real time, and will collection
To data be sent to intelligent measure analysing terminal 1；
Ambient parameter acquisition module 4, temperature, humidity and barometric information for gathering transformer station high-voltage side bus environment in real time, and
The data collected are sent to intelligent measure analysing terminal 1；
Intelligent measure analysing terminal 1, under the influence of transformer station high-voltage side bus environment, being advised according to the change of oil temperature and oil pressure
Rule judge transformer overheat and insulation ag(e)ing failure, if oil temperature or oil pressure change curve appearance persistently rise become
Gesture, then there is the failure of overheat and insulation ag(e)ing in transformer, and is alarmed；It is additionally operable under transformer station high-voltage side bus environment, according to
The problem of oil level changing rule judges the seepage of transformer or steals oil, if there is the trend of continuous decrease in oil level change curve,
Then there is seepage for transformer or steal the failure of oil, and alarmed；It is additionally operable to the three-phase current and three-phase voltage that will be collected
Compared with the three-phase current and three-phase voltage of setting, judge whether the situation for voltage flicker occur, rising sharply with rapid drawdown, and if
Shi Jinhang alarms；It is additionally operable to the oil temperature of transformer, oil pressure and oil level data being compared with given threshold respectively, more than threshold
Value, then alarmed.
Beneficial effects of the present invention are：
The parameter of collection transformer carries out the quality of power supply and oil temperature, oil pressure, oil level situation of Treatment Analysis transformer in real time,
So as to which whether detection transformer occurs damaging and the problem of operation troubles in real time, if carrying out and alarm, even if so as to inspection
Repair or change transformer.
The application is by plurality of devices such as electric energy metrical, power quality analysis, failure wave-recording, remote meter reading, fault pre-alarmings
Function is integrated in one, and its cost is more much lower than the totle drilling cost of independent dispersion Installation Modes, while being conducive to mitigating attendant's work
Measure, improve operation power maintenance management efficiency.The systematic difference can avoid current distribution transformer platform area real-time
Monitoring, repair time length, the shortcomings of power supply quality is low, device damage rate is high, played actively for distribution network automated development
Effect.Existing monitoring device monitoring accuracy improves more than 5 times to the application on year-on-year basis.
Brief description of the drawings
Fig. 1 is a kind of principle schematic of power transformer operation comprehensive monitor system described in embodiment one,
Solid line represents power line in figure, and dotted line represents signal wire.
Embodiment
Embodiment one：Reference picture 1 illustrates present embodiment, a kind of power transformer described in present embodiment
Device runs comprehensive monitor system, and it includes intelligent measure analysing terminal 1, electrical parameter acquisition module 2, transformer parameter acquisition module
3rd, ambient parameter acquisition module 4 and power module 5,
Power module 5, for from step down side power taking, being that intelligent measure analysing terminal 1 is powered；
Electrical parameter acquisition module 2, for the three-phase current and three-phase voltage data during collection transformer station high-voltage side bus in real time,
And the data collected are sent to intelligent measure analysing terminal 1；
Transformer parameter acquisition module 3, oil temperature, oil pressure and oil level data for gathering transformer in real time, and will collection
To data be sent to intelligent measure analysing terminal 1；
Ambient parameter acquisition module 4, temperature, humidity and barometric information for gathering transformer station high-voltage side bus environment in real time, and
The data collected are sent to intelligent measure analysing terminal 1；
Intelligent measure analysing terminal 1, under the influence of transformer station high-voltage side bus environment, being advised according to the change of oil temperature and oil pressure
Rule judge transformer overheat and insulation ag(e)ing failure, if oil temperature or oil pressure change curve appearance persistently rise become
Gesture, then there is the failure of overheat and insulation ag(e)ing in transformer, and is alarmed；It is additionally operable under transformer station high-voltage side bus environment, according to
The problem of oil level changing rule judges the seepage of transformer or steals oil, if there is the trend of continuous decrease in oil level change curve,
Then there is seepage for transformer or steal the failure of oil, and alarmed；It is additionally operable to for by the three-phase current collected and three-phase
Voltage judges whether the situation for voltage flicker occur, rising sharply with rapid drawdown compared with the three-phase current and three-phase voltage of setting, if
Have and alarmed in time；It is additionally operable to the oil temperature of transformer, oil pressure and oil level data being compared with given threshold respectively, exceedes
Threshold value, then alarmed.
In present embodiment, intelligent measure analysing terminal 1 is calculated according to the service data of collection, draws frequency, humorous
The quality of power supply information such as ripple, voltage, three-phase imbalance, draws the energy informations such as active power, reactive power, apparent energy, note
Record voltage flicker, rise sharply, rapid drawdown, reclosing, time, number of times and the scale of the generation such as the fluctuation of load, breaking down, it is timely to carry out
Alarm；The parameter collected and given threshold can also be compared, if it exceeds the threshold, being alarmed.
The data of the analysis transformer parameter of intelligent measure analysing terminal 1 acquisition module 3, pass through oil temperature and oil pressure changing rule
The overheat, insulation ag(e)ing, gas for judging transformer increase, the forced air cooling failure the problems such as, sentenced by oil level changing rule
The seepage of disconnected transformer, the problems such as steal oil, and carry out corresponding early warning and alarm.
The body of intelligent measure analysing terminal 1, can be severe in fire, blast etc. using explosion-proof, fire prevention, waterproof and dustproof design
In the case of unlikely damage data therein.Its function is similar with the electronic recording equipment black box that aircraft is special, in accident hair
After life, its data is analyzed, the reason for breaking down and process can be found out as early as possible.
Embodiment two：Present embodiment is comprehensive to a kind of power transformer operation described in embodiment one
Close monitoring system to be described further, in present embodiment, it also includes communication module 6 and control centre's server 7,
Intelligent measure analysing terminal 1 sends the data to control centre's server 7 by communication module 6.
In present embodiment, intelligent measure analysing terminal 1 carries out the storage, calculating, analysis of data, and passes through communication module
Data are uploaded to control centre's server 7 by 6.
The parameter database and long history log of transformer are set up in control centre's server 7, according to various
Its health status of Operational Data Analysis, auxiliary formulates the repair schedule of transformer.
Control centre's server 7 is in transformer fault or after scrapping, according to the long history log in its lifetime,
The design defect of transformer is analyzed, auxiliary improves design of transformer, and can be after a failure according to the service data of recording before failure
Failure cause is defined in analysis.
Claims (2)
1. a kind of power transformer runs comprehensive monitor system, it is characterised in that it includes intelligent measure analysing terminal (1), electricity
Parameter collection module (2), transformer parameter acquisition module (3), ambient parameter acquisition module (4) and power module (5),
Power module (5), for from step down side power taking, being intelligent measure analysing terminal (1) power supply；
Electrical parameter acquisition module (2), for the three-phase current and three-phase voltage data during collection transformer station high-voltage side bus in real time, and
The data collected are sent to intelligent measure analysing terminal (1)；
Transformer parameter acquisition module (3), for gathering oil temperature, oil pressure and the oil level data of transformer in real time, and will be collected
Data be sent to intelligent measure analysing terminal (1)；
Ambient parameter acquisition module (4), temperature, humidity and barometric information for gathering transformer station high-voltage side bus environment in real time, and will
The data collected are sent to intelligent measure analysing terminal (1)；
Intelligent measure analysing terminal (1), under the influence of transformer station high-voltage side bus environment, according to oil temperature and the changing rule of oil pressure
Judge the failure of transformer overheat and insulation ag(e)ing, if there is the trend persistently risen in the change curve of oil temperature or oil pressure,
Then there is the failure of overheat and insulation ag(e)ing in transformer, and is alarmed；It is additionally operable under transformer station high-voltage side bus environment, according to oil level
The problem of changing rule judges the seepage of transformer or steals oil, if there is the trend of continuous decrease in oil level change curve, for
There is seepage or steals the failure of oil in transformer, and is alarmed；The three-phase current and three-phase voltage that to collect are additionally operable to setting
Fixed three-phase current is compared with three-phase voltage, judges whether the situation for voltage flicker occur, rising sharply with rapid drawdown, if entering in time
Row alarm；It is additionally operable to the oil temperature of transformer, oil pressure and oil level data being compared with given threshold respectively, more than threshold value, then
Alarmed.
2. a kind of power transformer operation comprehensive monitor system according to claim 1, it is characterised in that it also includes logical
Module (6) and control centre's server (7) are interrogated,
Intelligent measure analysing terminal (1) sends the data to control centre's server (7) by communication module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534477.1A CN107328438A (en) | 2017-07-03 | 2017-07-03 | A kind of power transformer runs comprehensive monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534477.1A CN107328438A (en) | 2017-07-03 | 2017-07-03 | A kind of power transformer runs comprehensive monitor system |
Publications (1)
| Publication Number | Publication Date |
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| CN107328438A true CN107328438A (en) | 2017-11-07 |
Family
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| CN201710534477.1A Pending CN107328438A (en) | 2017-07-03 | 2017-07-03 | A kind of power transformer runs comprehensive monitor system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490811A (en) * | 2018-11-23 | 2019-03-19 | 国网四川省电力公司 | A kind of oil pressure monitoring method of inverted type current transformer |
| CN111880034A (en) * | 2020-07-31 | 2020-11-03 | 广东电网有限责任公司广州供电局 | Transformer fault detection method, system, equipment and storage medium based on three-phase current curve sudden drop |
| CN112305013A (en) * | 2020-10-22 | 2021-02-02 | 张霞玲 | Big data type transformer safety monitoring and early warning management system |
| CN114459529A (en) * | 2020-11-09 | 2022-05-10 | 特变电工京津冀智能科技有限公司 | Intelligent maintenance device of oil-filled bushing, transformer and power transformation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490811A (en) * | 2018-11-23 | 2019-03-19 | 国网四川省电力公司 | A kind of oil pressure monitoring method of inverted type current transformer |
| CN109490811B (en) * | 2018-11-23 | 2021-08-13 | 国网四川省电力公司 | Oil pressure monitoring method of inverted current transformer |
| CN111880034A (en) * | 2020-07-31 | 2020-11-03 | 广东电网有限责任公司广州供电局 | Transformer fault detection method, system, equipment and storage medium based on three-phase current curve sudden drop |
| CN112305013A (en) * | 2020-10-22 | 2021-02-02 | 张霞玲 | Big data type transformer safety monitoring and early warning management system |
| CN114459529A (en) * | 2020-11-09 | 2022-05-10 | 特变电工京津冀智能科技有限公司 | Intelligent maintenance device of oil-filled bushing, transformer and power transformation system |
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Application publication date: 20171107 |