CN202720281U - On-line monitoring device for capacitive equipment of transformer substation - Google Patents
On-line monitoring device for capacitive equipment of transformer substation Download PDFInfo
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- CN202720281U CN202720281U CN 201220165755 CN201220165755U CN202720281U CN 202720281 U CN202720281 U CN 202720281U CN 201220165755 CN201220165755 CN 201220165755 CN 201220165755 U CN201220165755 U CN 201220165755U CN 202720281 U CN202720281 U CN 202720281U
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- data processor
- transformer station
- capacitive apparatus
- secondary circuit
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- 238000012806 monitoring device Methods 0.000 title abstract 3
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000007405 data analysis Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract 3
- 238000007781 pre-processing Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses an on-line monitoring device for the capacitive equipment of a transformer substation. The on-line monitoring device comprises a signal sensor used for measuring the capacitive equipment of the transformer substation, a first data processor used for pre-processing a measurement signal, a voltage sensor used for measuring a secondary circuit voltage signal of a PT of the transformer substation, a second data processor for pre-processing the voltage signal, a front-end processor used for receiving the measurement signal and the voltage signal and carrying out measurement processing, a main control computer which receives processing results from the front-end processor, a temperature signal from a temperature sensor and a humidity signal from a humidity sensor, carries out data analysis on the processing results, the temperature signal and the humidity signal and displays data analysis results, and a remote monitoring center which receives the data analysis results from the main control computer through a wireless transmission system and carries out remote monitoring on the capacitive equipment of the transformer substation.
Description
Technical field
The utility model relates to the proving installation of electrical property, is specifically related to a kind of transformer station capacitive apparatus on-Line Monitor Device.
Background technology
Capacitive electric equipment (being capacitive apparatus) is widely used in electric system; mainly comprise current sensor, sleeve pipe, coupling capacitance, capacitance type potential transformer etc.; play the effects such as power back-off, rectifying and wave-filtering and overvoltage protection, the quality of capacitive apparatus performance is directly connected to the normal operation of electrical network.Because major part is that insulation damages causes in the capacitive apparatus damage accident, therefore substation operation insulation of electrical installation situation is monitored, find that in time the damage that capacitive apparatus exists just can effectively reduce the capacitive apparatus damage accident.
Voltage transformer (VT) (potential transformer is called for short PT) is primary equipment important in the electric system, no matter is that voltage transformer (VT) or secondary circuit go wrong, and all will affect the normal operation of whole transformer station secondary system.Therefore misoperation or tripping that the PT secondary circuit breaks down and can cause protective relaying device are necessary voltage transformer (VT) and PT secondary circuit are monitored, in order in time pinpoint the problems.
The utility model content
The utility model provides a kind of transformer station capacitive apparatus on-Line Monitor Device, in real time transformer substation voltage mutual inductor and secondary circuit thereof is monitored.
Transformer station's capacitive apparatus on-Line Monitor Device that the utility model provides comprises:
The signal transducer that transformer station's capacitive apparatus is measured;
The measuring-signal that described signal transducer is measured carries out pretreated the first data processor;
Measure the voltage sensor of substation PT secondary loop voltage signal;
Described PT secondary circuit voltage signal is carried out pretreated the second data processor;
Reception is from the measuring-signal of described the first data processor, and from the PT secondary circuit voltage signal of the second data processor, and carries out the front end processor of measured place reason;
Receive the result of described front end processor, and from the temperature signal of temperature sensor, from the moisture signal of humidity sensor, and the main control computer that described result, temperature signal and moisture signal are shown; And
By described result, temperature signal and the moisture signal of wireless transmitting system reception from main control computer, the remote monitoring center of transformer station's capacitive apparatus being carried out remote monitoring; Wherein,
Be connected by three core screened cables between described signal transducer and described the first data processor, wherein the internal layer shielding is copper mesh, and outer shielding is the copper armour.
Preferably, described signal transducer is current sensor.
Described the first data processor carries out pre-service to described measuring-signal and refers to described measuring-signal is carried out mutually processing of route selection, choosing.
Concrete, described PT secondary circuit voltage signal refers to the busbar voltage of PT secondary circuit.
Described the second data processor carries out pre-service to described PT secondary circuit voltage signal and refers to select phase, phase shift to process to described voltage signal.
Concrete, be provided with expert system in the described main control computer, by described expert system described result, temperature signal and moisture signal are carried out data analysis and obtain data results.
By real-time transformer station's capacitive apparatus is monitored, Monitoring Data is analyzed, in time find the defective that capacitive apparatus exists; By wireless transmitting system Monitoring Data is sent to remote monitoring center, realize the remote monitoring purpose.
Description of drawings
Transformer station's capacitive apparatus on-Line Monitor Device structural representation that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with drawings and the specific embodiments transformer station's capacitive apparatus on-Line Monitor Device that the utility model provides is further specified.
As shown in Figure 1, transformer station's capacitive apparatus on-Line Monitor Device of providing of the utility model embodiment comprises:
The signal transducer that transformer station's capacitive apparatus is measured;
The measuring-signal that described signal transducer is measured carries out pretreated the first data processor;
Measure the voltage sensor of substation PT secondary loop voltage signal;
Described PT secondary circuit voltage signal is carried out pretreated the second data processor;
Reception is from the measuring-signal of described the first data processor, and from the PT secondary circuit voltage signal of the second data processor, and carries out the front end processor of measured place reason;
Receive the result of described front end processor, and from the temperature signal of temperature sensor, from the moisture signal of humidity sensor, and the main control computer that described result, temperature signal and moisture signal are carried out data analysis and show; And
By the data results of wireless transmitting system reception from main control computer, the remote monitoring center of transformer station's capacitive apparatus being carried out remote monitoring; Wherein,
Be connected by three core screened cables between described signal transducer and described the first data processor, wherein the internal layer shielding is copper mesh, and outer shielding is the copper armour.
Preferably, described signal transducer is current sensor, and described measuring-signal is current signal.
Described the first data processor carries out pre-service to described measuring-signal and refers to described measuring-signal is carried out mutually processing of route selection, choosing.
Concrete, described PT secondary circuit voltage signal refers to the busbar voltage of PT secondary circuit.
Described the second data processor carries out pre-service to described PT secondary circuit voltage signal and refers to select phase, phase shift to process to described voltage signal.Concrete, select A, B, C, the O phase of described PT secondary circuit voltage.For example, select a three-phase voltage, carry out filtering and process the removal undesired signal, obtain a more satisfactory sine voltage signal.
Be provided with expert system in the described main control computer, by described expert system described result, temperature signal and moisture signal are carried out data analysis and obtain data results, by data results directly is shown to the user, so that whether normally the user sees capacitive apparatus operation intuitively.
Transformer station's capacitive apparatus on-Line Monitor Device that the utility model provides, can be used for the equipment such as 220KV sleeve pipe, capacitance type potential transformer, current transformer, lightning arrester and coupling condenser are monitored, in time the discovering device defective avoids occurring only more major break down.By real-time transformer station's capacitive apparatus is monitored, Monitoring Data is analyzed, in time find the defective that capacitive apparatus exists; By wireless transmitting system Monitoring Data is sent to remote monitoring center, realize the remote monitoring purpose.
Above embodiment only is used for the explanation the technical solution of the utility model, is not limited to protection domain of the present utility model.The modification that those skilled in the art can carry out the technical solution of the utility model or equal the replacement, and do not break away from the spirit and scope of technical solutions of the utility model.
Claims (5)
1. transformer station's capacitive apparatus on-Line Monitor Device is characterized in that described on-Line Monitor Device comprises:
The signal transducer that transformer station's capacitive apparatus is measured;
The measuring-signal that described signal transducer is measured carries out pretreated the first data processor;
Measure the voltage sensor of substation PT secondary loop voltage signal;
Described PT secondary circuit voltage signal is carried out pretreated the second data processor;
Reception is from the measuring-signal of described the first data processor, and from the PT secondary circuit voltage signal of the second data processor, and carries out the front end processor of measured place reason;
Receive the result of described front end processor, and from the temperature signal of temperature sensor, from the moisture signal of humidity sensor, and the main control computer that described result, temperature signal and moisture signal are carried out data analysis and show; And
By the data results of wireless transmitting system reception from main control computer, the remote monitoring center of transformer station's capacitive apparatus being carried out remote monitoring; Wherein,
Be connected by three core screened cables between described signal transducer and described the first data processor, wherein the internal layer shielding is copper mesh, and outer shielding is the copper armour.
2. transformer station according to claim 1 capacitive apparatus on-Line Monitor Device is characterized in that described signal transducer is current sensor.
3. transformer station according to claim 1 capacitive apparatus on-Line Monitor Device is characterized in that, described the first data processor to described measuring-signal carry out pre-service refer to described measuring-signal carry out route selection, choosing is processed mutually.
4. transformer station according to claim 1 capacitive apparatus on-Line Monitor Device is characterized in that described PT secondary circuit voltage signal refers to the busbar voltage of PT secondary circuit.
5. transformer station according to claim 4 capacitive apparatus on-Line Monitor Device is characterized in that, the second data processor carries out pre-service to described PT secondary circuit voltage signal and refers to select phase, phase shift to process to described voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165755 CN202720281U (en) | 2012-04-18 | 2012-04-18 | On-line monitoring device for capacitive equipment of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165755 CN202720281U (en) | 2012-04-18 | 2012-04-18 | On-line monitoring device for capacitive equipment of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720281U true CN202720281U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220165755 Expired - Fee Related CN202720281U (en) | 2012-04-18 | 2012-04-18 | On-line monitoring device for capacitive equipment of transformer substation |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527500A (en) * | 2015-11-30 | 2016-04-27 | 工业和信息化部电子第五研究所 | Temperature controllable transformer loss measuring system |
| CN107390604A (en) * | 2017-07-10 | 2017-11-24 | 国网浙江省电力公司温州供电公司 | The inspection method and system of unattended operation transformer station electrical secondary system novel maintenance |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
-
2012
- 2012-04-18 CN CN 201220165755 patent/CN202720281U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN105527500A (en) * | 2015-11-30 | 2016-04-27 | 工业和信息化部电子第五研究所 | Temperature controllable transformer loss measuring system |
| CN105527500B (en) * | 2015-11-30 | 2018-11-13 | 工业和信息化部电子第五研究所 | The transformer loss measuring system of temperature-controllable |
| CN107390604A (en) * | 2017-07-10 | 2017-11-24 | 国网浙江省电力公司温州供电公司 | The inspection method and system of unattended operation transformer station electrical secondary system novel maintenance |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20180418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |