CN202307536U - Intelligent capacitor - Google Patents
Intelligent capacitor Download PDFInfo
- Publication number
- CN202307536U CN202307536U CN2011204024596U CN201120402459U CN202307536U CN 202307536 U CN202307536 U CN 202307536U CN 2011204024596 U CN2011204024596 U CN 2011204024596U CN 201120402459 U CN201120402459 U CN 201120402459U CN 202307536 U CN202307536 U CN 202307536U
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- capacitor
- current transformer
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- resistance
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Abstract
The utility model provides an intelligent capacitor on which a current transformer and a high-precise resistor are added. The intelligent capacitor is implemented through the steps of: measuring the current values of the two ends of the high-precise resistor (parallelly connected to the capacitor) by the current transformer, and then calculating the voltage values of the two ends of the capacitor; through the detection of the current transformer connected in series with the capacitor, obtaining the current value of the capacitor; according to the voltage values and current value of the capacitor, calculating the actual capacitance value of the capacitor; and comparing the actual capacitance value of the capacitor and a rated value of the capacitor, judging whether the capacitor has a fault, and then quickly determining the specific position (at which the fault occurs) of the capacitor, therefore, the workload of a maintenance process is reduced, and the power-cut time is shortened.
Description
Technical field
The utility model relates to the high voltage technique field, relates to a kind of intelligent electric container in particular.
Background technology
In ultra-high-tension power transmission line, capacitor is absolutely necessary.Capacitor is made up of center, tank wall and case lid, and being used for provides capacitive reactive power or filtering harmonic to power circuit or equipment, to improve its power factor and the quality of power supply.In transmission line, using at present more is separate unit formula capacitor.Single capacitor is installed on the framework of the capacitor device that designs, and uses twisted wire or copper (aluminium) row to connect then.
Under above-mentioned situation,, then need to confirm the installation site of fault capacitor earlier and then change or keep in repair if capacitor breaks down.Usually the fault detection method that adopts is measured eliminating by platform for the maintenance personal utilizes capacitance meter or other measuring instrument under the situation that capacitor device cuts off the power supply fully.But because the capacitors count in the capacitor device is numerous; And the installation frame of capacitor is very high again, like this in maintenance with when detecting, and maintenance personal's be difficult to confirm fast and accurately to break down particular location of capacitor; And then aggravated maintenance personal's workload, and prolonged interruption duration.
The utility model content
In view of this, the utility model provides a kind of intelligent electric container, can confirm the position of fault capacitor fast and accurately, has reduced maintenance personal's workload and has reduced interruption duration.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of intelligent electric container comprises that resistance is the high-accuracy resistance of fixed value, also comprises:
Be in series with said center, detect first current transformer of the current value of said capacitor place branch road;
Connect with said high-accuracy resistance, and parallelly connected with the branch road of said high-accuracy resistance formation with said center and said first current transformer place branch road, detect second current transformer that said resistance belongs to the current value of branch road;
Be connected with first current transformer and second current transformer respectively, transmit the electric connector of the current value of said first current transformer and second current transformer detection;
Link to each other with said electric connector; Receive the current value of the said current transformer detection of said electric connector transmission; The current value of the said resistance place branch road that detects according to said second current transformer and the resistance of said resistance obtain the magnitude of voltage of said capacitor, and the current value of the said capacitor place branch road that detects according to the magnitude of voltage and said first current transformer of said capacitor calculates the reception computing module of the actual capacitance value of said capacitor.
Preferably, also comprise:
Link to each other the comparison module of more said capacitor actual capacitance value and rated capacity value with said reception computing module.
Preferably, also comprise:
Link to each other with said comparison module, show the actual capacitance value and the rated capacity value of said capacitor, display module.
Preferably, said display module and said comparison module transmit institute's capacitor actual capacitance value of telling and rated value signal through radio transmitting device.
Preferably, said electric connector, said first current transformer and said second current transformer all with the insulation of the center of said capacitor.
Preferably, the shell of said first current transformer, second current transformer and said capacitor all is connected with heat abstractor.
Preferably, the installation site of said electric connector is the parallel position of oil filler point.
Can know that via above-mentioned technical scheme compared with prior art, the utility model provides a kind of intelligent electric container; Current transformer and high-accuracy resistance have been increased; Be connected in parallel on the current value at the high-accuracy resistance two ends on the capacitor through the current transformer measurement, and then calculate the magnitude of voltage at capacitor two ends, detect the current value that obtains capacitor through the current transformer that is connected on the capacitor again; Voltage and current value according to capacitor; Calculate the actual capacitance value of capacitor, judge whether fault of this capacitor according to the capacitor actual value that calculates, and then the particular location of the capacitor of confirming fast to break down; Reduce the workload of maintenance process, and shortened interruption duration.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is the embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
The structure chart of a kind of intelligent electric container that Fig. 1 provides for the utility model.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of intelligent electric container, and parallelly connected resistance is the high-accuracy resistance of fixed value on center, also comprises: be in series with said center, detect first current transformer of the current value of said capacitor place branch road; Connect with said resistance, and parallelly connected with the branch road of said resistance formation with said center and said first current transformer place branch road, detect second current transformer that said resistance belongs to the current value of branch road; Be connected with first current transformer and second current transformer respectively, transmit the electric connector of the current value of said first current transformer and second current transformer detection; Link to each other with said electric connector; Receive the current value of the said current transformer detection of said electric connector transmission; The current value of the said resistance place branch road that detects according to said second current transformer and the resistance of said resistance obtain the magnitude of voltage of said capacitor, and the current value of the said capacitor place branch road that detects according to the magnitude of voltage and said first current transformer of said capacitor calculates the reception computing module of the actual capacitance value of said capacitor.
Please refer to Fig. 1, the structure chart of a kind of capacitor failure detector that Fig. 1 provides for the utility model, wherein, high-accuracy resistance 5 is parallelly connected with center 8, and current transformer 3 is connected with center 8 and is detected the current value of said center 8; Current transformer 4 is connected with high-accuracy resistance 5 and is detected the current value of said high-accuracy resistance 5; Because the resistance of high-accuracy resistance is fixing given value; Through simple computing formula: voltage=electric current * resistance obtains the magnitude of voltage at high-accuracy resistance 5 two ends; Again because center 8 and high-accuracy resistance 5 are parallelly connected and current transformer approaches short circuit, and then obtain the magnitude of voltage at center 8 two ends; Through electric connector 1 current value and the magnitude of voltage of said center 8 is transferred to the reception computing module, and then calculates the actual capacitance value of center 8.
Need to prove; In the present embodiment; Electric connector 1, current transformer 3 summation current transformers 4 all with 8 insulation of the center of capacitor, and the shell of current transformer 3 summation current transformers 4 linked to each other with capacitor tank wall 9, and on tank wall 9, is connected with heat abstractor.Remove this; Choosing of current transformer is that nominal parameter according to capacitor is confirmed; Rated current like capacitor is 50A, when choosing current sensor, just can consider the overcurrent multiple that capacitor allows, and chooses the transducer of 80～100A; The too small of choosing may damage transducer, and the excessive measurement data that can cause again is inaccurate.On the basis of above-mentioned capacitor checkout gear, also comprise with said reception calculating linking to each other the comparison module of more said capacitor actual capacitance value and rated capacity value.If the actual capacitance value of said capacitor is different with the rated value of said capacitor, explain that then this capacitor breaks down, and then confirmed the position of capacitor fast and accurately, be convenient to maintenance personal's maintenance work, reduced interruption duration simultaneously.
Remove this, present embodiment has also increased the display module that links to each other with said comparison module, can actual capacitance value, rated value and the actual capacitance value of capacitor and the comparative result of rated capacity value be given prominence to device shown, like LCDs etc.; Also comprise with said comparison module linking to each other, when the actual value of said capacitor and rated value not simultaneously, send the voice guard of caution prompting sound.Be convenient to the maintenance personal and find fault electric capacity timely, and then maintenance.
Above-mentioned explanation to the embodiment that provided makes this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet principle and the features of novelty the wideest corresponding to scope that is provided with this paper.
Claims (7)
1. an intelligent electric container is characterized in that, comprises that resistance is the high-accuracy resistance of fixed value, also comprises:
Be in series with said center, detect first current transformer of the current value of said capacitor place branch road;
Connect with said high-accuracy resistance, and parallelly connected with the branch road of said high-accuracy resistance formation with said center and said first current transformer place branch road, detect second current transformer that said resistance belongs to the current value of branch road;
Be connected with first current transformer and second current transformer respectively, transmit the electric connector of the current value of said first current transformer and second current transformer detection;
Link to each other with said electric connector; Receive the current value of the said current transformer detection of said electric connector transmission; The current value of the said resistance place branch road that detects according to said second current transformer and the resistance of said resistance obtain the magnitude of voltage of said capacitor, and the current value of the said capacitor place branch road that detects according to the magnitude of voltage and said first current transformer of said capacitor calculates the reception computing module of the actual capacitance value of said capacitor.
2. capacitor according to claim 1 is characterized in that, also comprises:
Link to each other the comparison module of more said capacitor actual capacitance value and rated capacity value with said reception computing module.
3. capacitor according to claim 1 is characterized in that, also comprises:
Link to each other with said comparison module, show the actual capacitance value and the rated capacity value of said capacitor, display module.
4. capacitor according to claim 3 is characterized in that, said display module and said comparison module transmit institute's capacitor actual capacitance value of telling and rated value signal through radio transmitting device.
5. capacitor according to claim 1 is characterized in that, said electric connector, said first current transformer and said second current transformer all with the insulation of the center of said capacitor.
6. the capacitor of telling according to claim 1 is characterized in that, the shell of said first current transformer, second current transformer and said capacitor all is connected with heat abstractor.
7. capacitor according to claim 1 is characterized in that, the installation site of said electric connector is the parallel position of oil filler point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204024596U CN202307536U (en) | 2011-10-20 | 2011-10-20 | Intelligent capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204024596U CN202307536U (en) | 2011-10-20 | 2011-10-20 | Intelligent capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307536U true CN202307536U (en) | 2012-07-04 |
Family
ID=46376380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204024596U Expired - Fee Related CN202307536U (en) | 2011-10-20 | 2011-10-20 | Intelligent capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI640786B (en) * | 2016-12-19 | 2018-11-11 | 英捷力電機股份有限公司 | Method for monitoring capacitance value of capacitor of power system |
-
2011
- 2011-10-20 CN CN2011204024596U patent/CN202307536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI640786B (en) * | 2016-12-19 | 2018-11-11 | 英捷力電機股份有限公司 | Method for monitoring capacitance value of capacitor of power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MAINTENANCE BRANCH OF JIBEI ELECTRIC POWER CO., LT Effective date: 20121220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yao Wenjun Inventor after: Guo Ruichun Inventor after: Li Shuai Inventor after: Song Wei Inventor after: Shi Haiyang Inventor after: Fu Dazhi Inventor after: Wang Bo Inventor after: Li Chao Inventor after: Zhang Yong Inventor after: Zhao Shuzhen Inventor after: Tian Shenglin Inventor after: Zheng Baoqing Inventor after: He Junjie Inventor after: Zhang Jianxing Inventor after: Meng Qingda Inventor after: Zhang Jinxiang Inventor after: Mao Ting Inventor before: Shi Haiyang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHI HAIYANG TO: YAO WENJUN ZHAO SHUZHEN TIAN SHENGLIN ZHENG BAOQING HE JUNJIE ZHANG JIANXING MENG QINGDA ZHANG JINXIANG MAO TING GUO RUICHUN LI SHUAI SONG WEI SHI HAIYANG FU DAZHI WANG BO LI CHAO ZHANG YONG |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121220 Address after: 266108 Shandong Province, Qingdao city Chengyang District Airport Industrial Park No. three West Gate Patentee after: Evercontaining Electric Co., Ltd. Patentee after: Maintenance Branch of Jibei Electric Power Company Limited Address before: 266108 Shandong Province, Qingdao city Chengyang District Airport Industrial Park No. three West Gate Patentee before: Evercontaining Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20151020 |
|
| EXPY | Termination of patent right or utility model |