CN102487248B - Transmission line induced electricity eliminating device - Google Patents
Transmission line induced electricity eliminating device Download PDFInfo
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- CN102487248B CN102487248B CN201110056718.9A CN201110056718A CN102487248B CN 102487248 B CN102487248 B CN 102487248B CN 201110056718 A CN201110056718 A CN 201110056718A CN 102487248 B CN102487248 B CN 102487248B
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- transmission line
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000010354 integration Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention relates to a transmission line induced electricity eliminating device, comprising a case and an integrated module. The transmission line induced electricity eliminating device is characterized in that the integrated module comprises a terminal, a detection circuit and a feedback circuit, wherein the terminal is connected with the detection circuit, the detection circuit is connected with the feedback circuit in parallel, the detection circuit comprises a capacitor a, a voltage transformer and a phase tester, the capacitor a is connected with the voltage transformer in series, a secondary side of the voltage transformer is connected with the phase tester, the feedback circuit comprises a capacitor b, a booster transformer and a phase generator, the capacitor b is connected with the booster transformer in series, and the secondary side of the booster transformer is connected with the phase generator.
Description
Technical field
The present invention relates to transmission line induced electricity cancellation element, be mainly used in eliminating ultra-high-tension power transmission line induced electricity.
Background technology
Article two, and above ultra-high-tension power transmission line owing to joint using or adjacent lines close together, therein in the situation of the newly-built or interruption maintenance of transmission line and All other routes charging operation, this circuit newly-built or maintenance can produce induced electricity due to the principle of capacitance partial pressure, through on-the-spot test for many years, find that 220kV and following line influence electricity ceiling voltage can reach 7kV, make existing test apparatus because insulation not all cannot normally be worked.Reduced faradic method is that large value capacitor in parallel carries out dividing potential drop on the line in the past.Although using the method for shunt capacitor is the most simply to eliminate faradic mode, because the distance of ultra-high-tension power transmission line is very long, the capacitance of its equivalent capacity is at least more than 100nF.So the capacitance that makes induced electricity be controlled at capacitor that must be in parallel within tolerance interval is the more than 15 times of circuit equivalent capacity, certainly will cause needed capacitor very huge and expensive.And the capacitance increasing and the voltage of reduction are to be nonlinear.
Summary of the invention
Technical problem to be solved by this invention is to overcome existing above-mentioned deficiency in prior art, and provides a kind of reasonable in design, volume little, lightweight, can effectively eliminate the faradic device of ultra-high-tension power transmission line.
The technical scheme that the present invention solves the problems of the technologies described above employing is: transmission line induced electricity cancellation element comprises: shell, integration module, it is characterized in that described integration module comprises: terminals, detection line and feedback line, described terminals are connected with detection line, detection line is in parallel with feedback line, described detection line comprises: electric capacity a, voltage transformer, phase test instrument, electric capacity a and voltage mutual inductor serial, voltage transformer secondary side connects phase test instrument, described feedback line comprises: electric capacity b, step-up transformer, phase generator, described electric capacity b series voltage instrument transformer, voltage transformer secondary side connects phase generator.
Phase generator of the present invention, is characterized in that: on phase generator with voltmeter, phase meter, voltage regulating device, phase adjusting device.
Phase generator power supply of the present invention is that 220V exchanges.
Electric capacity a of the present invention is 220nF, and electric capacity is that b is 2uF.
Voltage transformer of the present invention is 10/0.1kV.
Step-up transformer of the present invention is 1/0.2kV.
By above technical scheme, adopted being used in combination of reverse voltage and series capacitor, reduced the production cost of induced electricity cancellation element, also make whole table apparatus volume-diminished, weight saving.Be more applicable for volume production.And can regulate according to different line lengths and voltage.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is structural representation of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment:
As shown in Figure 1 to Figure 3, the technical scheme that the present invention solves the problems of the technologies described above employing is: transmission line induced electricity cancellation element comprises: shell 1, integration module, it is characterized in that described integration module comprises: terminals 2, detection line and feedback line, described terminals are connected with detection line, detection line is in parallel with feedback line, described detection line comprises: electric capacity a3, voltage transformer 31, phase test instrument 32, electric capacity a3 and voltage transformer 31 series connection, 31 2 side joint phase test instrument 32 of voltage transformer, described feedback line comprises: electric capacity b4, step-up transformer 41, phase generator 42, described electric capacity b4 series boosting transformer 41, step-up transformer 41 secondary sides connect phase generator 42.
Electric capacity a3 of the present invention and electric capacity are that b4 is 220nF.
Step-up transformer 41 of the present invention is 10/0.2kV.
During use, the terminals of transmission line induced electricity cancellation element 2 are connected to the transmission line induced voltage process electric capacity a3 of newly-built or interruption maintenance to the first step and then the primary winding of voltage transformer 31 enters ground.The phase test instrument 32 that the secondary coil of voltage transformer 31 connects, phase test instrument 32 carries out the detection of phase difference with another road from the signal of 220V power supply input, and difference is presented at the phase meter 322 of shell 1; Voltage signal detects and passes through the conversion of PT no-load voltage ratio through digital voltmeter and the correct numerical value of induced voltage shown to the voltmeter 321 of shell 1 to secondary voltage.Second step is by alternating current 220V supply voltage process phase generator 42, according to the demonstration of phase meter b423, by phase adjusting device 422, carry out the phase place of control phase generator 42 output voltages, output phase and induced electricity phase place are remained and differ 180 °, export a sine wave signal adjustable with the voltage magnitude of 180 ° of induced voltage phase differences, this signal is input to the secondary side of step-up transformer 41, through boosting of step-up transformer 41, simultaneously by the amplitude of voltage regulating device 421 regulation output voltages, by regulation output voltage, observe voltmeter b424 simultaneously, until the numerical value showing is adjusted to acceptable scope.Then by anti-phase high voltage, send transmission line back to and induced electricity is cancelled out each other, to reach the effect of controlling induced voltage.
Although the present invention with embodiment openly as above; but it is not in order to limit protection scope of the present invention; any technical staff who is familiar with this technology, not departing from change and the retouching of doing in the spirit and scope of the present invention, all should belong to protection scope of the present invention.
Claims (5)
1. a transmission line induced electricity cancellation element, it comprises: shell, integration module, is characterized in that: described integration module comprises: terminals, detection line and feedback line, described terminals are connected with detection line, and detection line is in parallel with feedback line; Described detection line comprises: electric capacity a, voltage transformer, phase test instrument, and electric capacity a and voltage mutual inductor serial, voltage transformer secondary side connects phase test instrument; Described feedback line comprises: electric capacity b, step-up transformer, phase generator, and described electric capacity b series boosting transformer, step-up transformer secondary side connects phase generator.
2. transmission line induced electricity cancellation element according to claim 1, is characterized in that: described electric capacity a capacitance is 220nF, and electric capacity b capacitance is 2uF.
3. transmission line induced electricity cancellation element according to claim 1, is characterized in that: described voltage transformer is 10/0.1kV.
4. transmission line induced electricity cancellation element according to claim 1, is characterized in that: described step-up transformer is 1/0.2kV.
5. transmission line induced electricity cancellation element according to claim 1, is characterized in that: described phase generator power supply is alternating current 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110056718.9A CN102487248B (en) | 2011-03-05 | 2011-03-05 | Transmission line induced electricity eliminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110056718.9A CN102487248B (en) | 2011-03-05 | 2011-03-05 | Transmission line induced electricity eliminating device |
Publications (2)
| Publication Number | Publication Date |
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| CN102487248A CN102487248A (en) | 2012-06-06 |
| CN102487248B true CN102487248B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110056718.9A Active CN102487248B (en) | 2011-03-05 | 2011-03-05 | Transmission line induced electricity eliminating device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105277913B (en) * | 2015-09-30 | 2018-06-26 | 华中科技大学 | A kind of test method of capacitance type potential transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10254268A1 (en) * | 2002-11-21 | 2004-06-09 | Abb Patent Gmbh | Operating method for inductive flow measuring device with suppression or elimination of interference components of AC voltage supplied to magnetic system |
| CN1707275A (en) * | 2005-05-10 | 2005-12-14 | 武汉中元华电科技有限公司 | Method for removing interference inductive voltage in transmission line power frequency parameter test |
| CN201360144Y (en) * | 2009-01-06 | 2009-12-09 | 西安雷迪维护系统设备有限公司 | Induced voltage suppressor |
| CN202050236U (en) * | 2011-03-05 | 2011-11-23 | 吴永恒 | Device for eliminating induction electricity of power transmission line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07307229A (en) * | 1994-05-12 | 1995-11-21 | Mitsubishi Electric Corp | Erasing circuit and electromagnetic power application machine |
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2011
- 2011-03-05 CN CN201110056718.9A patent/CN102487248B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10254268A1 (en) * | 2002-11-21 | 2004-06-09 | Abb Patent Gmbh | Operating method for inductive flow measuring device with suppression or elimination of interference components of AC voltage supplied to magnetic system |
| CN1707275A (en) * | 2005-05-10 | 2005-12-14 | 武汉中元华电科技有限公司 | Method for removing interference inductive voltage in transmission line power frequency parameter test |
| CN201360144Y (en) * | 2009-01-06 | 2009-12-09 | 西安雷迪维护系统设备有限公司 | Induced voltage suppressor |
| CN202050236U (en) * | 2011-03-05 | 2011-11-23 | 吴永恒 | Device for eliminating induction electricity of power transmission line |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平-307229A 1995.11.21 |
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| CN102487248A (en) | 2012-06-06 |
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Application publication date: 20120606 Assignee: Jiaxing Dealour Electric Technology Co., Ltd. Assignor: Wu Yongheng Contract record no.: 2015330000171 Denomination of invention: Transmission line induced electricity eliminating device Granted publication date: 20140409 License type: Exclusive License Record date: 20150624 |
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Effective date of registration: 20160623 Address after: Xiuzhou Industrial Park of Xiuzhou District of Jiaxing city of Zhejiang Province Hong Yip Road 314001 No. 228 No. six building three layer Patentee after: Jiaxing Dealour Electric Technology Co., Ltd. Patentee after: Pan Anyuan Address before: Jiaxing City, Zhejiang province Xiuzhou District 314001 hidekiyo Road No. 77 Dragon City Shenghua building 4 Room 201 on the right bank of the United States Court Patentee before: Wu Yongheng |
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Effective date of registration: 20180122 Address after: Xiuzhou Industrial Park in Jiaxing city of Zhejiang Province Hong Yip Road 314001 228 Shanghai Jiaotong University (Jiaxing) science and Technology Park Building 6, 3 floor Patentee after: Zhejiang Deou Electrical Technology Co., Ltd. Address before: Xiuzhou Industrial Park of Xiuzhou District of Jiaxing city of Zhejiang Province Hong Yip Road 314001 No. 228 No. six building three layer Co-patentee before: Pan Anyuan Patentee before: Jiaxing Dealour Electric Technology Co., Ltd. |
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Denomination of invention: Transmission line induced electricity eliminating device Effective date of registration: 20180329 Granted publication date: 20140409 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing Xiuzhou branch Pledgor: Zhejiang Deou Electrical Technology Co., Ltd. Registration number: 2018330000048 |
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Date of cancellation: 20181121 Granted publication date: 20140409 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing Xiuzhou branch Pledgor: Zhejiang Deou Electrical Technology Co., Ltd. Registration number: 2018330000048 |
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Denomination of invention: Transmission line induced electricity eliminating device Effective date of registration: 20181122 Granted publication date: 20140409 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing Xiuzhou branch Pledgor: Zhejiang Deou Electrical Technology Co., Ltd. Registration number: 2018330000406 |
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Address after: Hong Yip Road Jiaxing city Zhejiang province 314001 Xiuzhou Industrial Zone No. 228 Shanghai Jiaotong University (Jiaxing) science and Technology Park Building 6, 3 floor Patentee after: Zhejiang Deou Electric Technology Co., Ltd Address before: 314001 Xiuzhou Industrial Park, Jiaxing, Zhejiang, 228 Hong Kong Road 228, Shanghai Jiaotong University (Jiaxing) science and Technology Park 6 floor, 3 floor. Patentee before: ZHEJIANG DEALOUR ELECTRIC TECHNOLOGY Co.,Ltd. |