CN102680840A - Voltage continuously adjustable no-load test device for ice melting rectifier - Google Patents
Voltage continuously adjustable no-load test device for ice melting rectifier Download PDFInfo
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- CN102680840A CN102680840A CN2012101794038A CN201210179403A CN102680840A CN 102680840 A CN102680840 A CN 102680840A CN 2012101794038 A CN2012101794038 A CN 2012101794038A CN 201210179403 A CN201210179403 A CN 201210179403A CN 102680840 A CN102680840 A CN 102680840A
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Abstract
The invention provides a voltage continuously adjustable no-load test device for an ice melting rectifier. The test device comprises a switch (1), a three-phase regulator (2), a six-phase boosting transformer (3), a switching combination knife-switch (4), a measuring display system (5), a protecting system (6), a control system (7) and a locking system (8) which are connected in series, wherein the output end of the switch (1) is connected with the input end of the three-phase regulator (2); the six-phase output end of the six-phase boosting transformer (3) is connected with the input end of the switching combination knife-switch (4); and the output end of the locking system (8) is connected with the locking signal input end of the switching combination knife-switch (4). The test device provided by the invention has the advantages that: 1, no-load test can be carried out for a 35 kV rectifier; 2, the output AC high voltage is continuously adjustable; 3, the universality is strong and the application range is wide; 4, the purposes of stability and reliability are achieved, the operation is simple and convenient, and the automatization degree is high; and 5, the occupied area is small, while the working efficiency is improved.
Description
Technical field
The invention belongs to the electrical engineering technical field, relate in particular to the continuously adjustable ice-melt rectifier of a kind of voltage no-load test device.
Background technology
SOUTHERN CHINA area receives the influence of quasi-stationary front winter, every year all can following sleet repeatedly, cause powerline ice-covering.Especially the mountain area is influenced by mima type microrelief, and the powerline ice-covering especially severe usually causes transmission line of electricity fracture, falls electrical network ice damages such as tower.The ice damage of 2005 and 2008 makes southern each province cause the accident of a large amount of broken strings of falling the tower, 2008 be only Hunan one province economic loss just reach more than 30 hundred million.
After this, the technical research to powerline ice-covering deepens continuously a large amount of input application of DC de-icing device quilt.Having high input of DC de-icing device strengthened the ability of electrical network reply ice damage greatly, but this device all need carry out various performance tests from producing, debug operation, with the reliability of assurance device.Wherein no-load test is exactly important content of the test.Different circuits, the input voltage grade of required deicing device is different; The deicing device of same circuit, different mentalities of designing also cause electric pressure different; For different bridge rectifiers, the trial voltage number of phases that needs is also different.The variation that this has just caused the no-load test platform does not have versatility.No-load test also needs the high-tension step-up transformer of high capacity, and this has caused heavy, the carrying inconvenience of transformer again.
Summary of the invention
The technical matters that the present invention will solve is: poor to existing ice-melt rectifier no-load test device versatility, testing equipment is heavy, and the defective of wiring complicated and time consumption designs the continuously adjustable ice-melt rectifier of a kind of voltage no-load test device.This device can satisfy 35kV and 12 following pulse wave rectifier devices, the no-load test of 6 pulse wave rectifier devices, also is applicable to the transformer of relevant voltage grade, the no-load test of reactor.This device need not move, all operations motorized, and wiring is simple, and applied widely, can alleviate the labour intensity of DC de-icing device debugging and maintenance test greatly, increase work efficiency.
Technical solution of the present invention is; The continuously adjustable ice-melt rectifier of above-mentioned a kind of voltage no-load test device; Referring to Fig. 1, it is composed in series by switch 1, three-phase regulator 2, six phase step-up transformer 3, switching combining disconnecting link 4, measurement display system 5, protection system 6, control system 7, block sytem 8.The output terminal of wherein said switch 1 connects the input end of three-phase regulator 2.The output terminal of this three-phase regulator 2 connects the input end of six phase step-up transformer 3.The six phase output terminal of this six phase step-up transformer 3 connects the input end of switching combining disconnecting link 4.Four groups of signal input parts of said measurement display system 5, the corresponding successively respectively input end of said three-phase regulator 2, the output terminal of three-phase regulator 2, the delta windings output terminal of six phase step-up transformer 3, the star winding output terminal of six phase step-up transformer 3 of connecting.The input end of said protection system 6 connects the output terminal of said measurement display system 5, the input end of the output terminal connection control system 7 of protection system 6.Three output terminals of said control system 7; One of them output terminal connects the signal input end of said switch 1; Another output terminal connects the signal input end of said switching combining disconnecting link 4, and a remaining output terminal connects the signal input end of said block sytem 8.And the output terminal of this block sytem 8 connects the block signal input end of said switching combining disconnecting link 4.
Principle of work of the present invention is: external AC inserts the continuously adjustable ice-melt rectifier of this voltage no-load test device through said switch 1; Realize that through three-phase regulator 2 voltage is from the null value accent; Again through six phase step-up transformer 3 output HIGH voltages; The highest requirement of satisfying 35kV electric pressure no-load test, high voltage output to by the test rectifier or by the test rectifier transformer or by the test reactor through above-mentioned switching combining disconnecting link 4 carries out no-load test.Wherein the effect of six phase step-up transformer 3 is to boost, and forms the ac high voltage output that 30 ° of two-way differ.Measure display system 5 and measure and show the input voltage and input current and the output voltage electric current of three-phase regulator 2; The output voltage of six phase step-up transformer 3 delta windings and the output voltage of star winding pass through the unloaded output voltage that external line is measured tested device simultaneously.Protection system 6 is provided with the over-voltage over-current protection boundary condition according to test specimen parameter and three-phase regulator 2 parameters, and when test specimen overvoltage, short circuit or experimental provision internal short-circuit, the protection boundary condition satisfies, and protection system 6 output protection trip signals are also reported to the police.Control system 7 is selected the control threshold condition according to the test specimen parameter, controls three-phase regulator 2 automatically, regulates output voltage; According to test specimen is the working method of 6 pulse wave rectifier devices or 12 pulse wave rectifier devices control block sytem 8, finally selects the working method of switching combining disconnecting link; According to the output setting of protection system 6, the folding of CS 1.And block sytem 8 is accepted the signal input of control system, selects the working method of switching combining disconnecting link 4, and when test specimen was 6 pulse wave rectifier devices, switching combining disconnecting link 4 output voltages were to its P1 end, and P2 holds locking, no-voltage output; When test specimen is 12 pulse wave rectifier devices, switching combining disconnecting link 4 output voltages, the P1 of switching combining disconnecting link 4 end and P2 end locking interlock, while deciliter.
The invention has the beneficial effects as follows:
1), can carry out no-load test to the rectifier of 35kV and following electric pressure;
2), the output AC high pressure is adjustable continuously;
3), both be applicable to 6 pulse wave rectifier devices, 12 pulse wave rectifier devices, be applicable to transformer, three-phase reactor again, had versatility, applied widely;
4), experimental provision is reliable and stable, easy and simple to handle, automaticity is high and it is simple to safeguard;
5), the plant area area is little, need not move, and greatly reduces the labour intensity of fairing production debugging and maintenance, improved work efficiency.
Description of drawings
Fig. 1 is the structured flowchart of a specific embodiment of the continuously adjustable ice-melt rectifier of a kind of voltage of the present invention no-load test device, is denoted as among the figure:
1-switch,
2-three-phase regulator,
3-six phase step-up transformer,
4-switching combining disconnecting link,
5-measurement display system,
6-protection system,
7-control system,
8-block sytem.
Embodiment
Referring to Fig. 1, shown in Figure 1 for a specific embodiment of the continuously adjustable ice-melt rectifier of a kind of voltage of the present invention no-load test device.The switch 1 of this embodiment adopts Hunan China to converge HCKG-380 type 380V, the 1kA electromagnetic repulsion force switch that pure Power Tech Corp. Inc. produces; Three-phase regulator 2 adopts Hunan China to converge the HCTY-320/380 type 320kVA voltage-regulating system that pure Power Tech Corp. Inc. produces; Six phase step-up transformer 3 adopt Chinese Hubei to continue ZL320/380 type 320kVA six phase step-up transformer that new extraordinary electric incorporated company produces; Switching combining disconnecting link 4 adopts Hunan China to converge HCKG6-35 type 35KV, the 4kA electromagnetic repulsion force switch that pure Power Tech Corp. Inc. produces; Measuring display system 5 adopts Hunan China to converge HCCL-35/4000 type 35kV, the 4000A that pure Power Tech Corp. Inc. produces to measure display system; Protection system 6 adopts Hunan China to converge the HCBH-YL type protection system that pure Power Tech Corp. Inc. produces; Control system 7 adopts Hunan China to converge the HCKZ-TY type control system that pure Power Tech Corp. Inc. produces; Block sytem 8 adopts Hunan China to converge the HCBS-35 type 35kV circuit breaker lock system that pure Power Tech Corp. Inc. produces.Above-mentioned switch 1, three-phase regulator 2, six phase step-up transformer 3, switching combining disconnecting link 4, measure display system 5, protection system 6, control system 7, block sytem 8 by above-mentioned technical solution, with reference to connection shown in Figure 1.The output terminal of wherein said switch 1 connects the input end of three-phase regulator 2.The output terminal of three-phase regulator 2 connects the input end of six phase step-up transformer 3.The six phase output terminal of six phase step-up transformer 3 connects the input end of switching combining disconnecting link 4.Measure four groups of signal input parts of display system 5, the corresponding successively respectively input end of said three-phase regulator 2, the output terminal of three-phase regulator 2, the delta windings output terminal of six phase step-up transformer 3, the star winding output terminal of six phase step-up transformer 3 of connecting.The input end of protection system 6 connects the output terminal of measuring display system 5, the input end of the output terminal connection control system 7 of protection system 6.Three output terminals of control system 7, one of them output terminal connects the signal input end of switch 1, and another output terminal connects the signal input end of switching combining disconnecting link 4, and a remaining output terminal connects the signal input end of block sytem 8.The output terminal of block sytem 8 connects the block signal input end of switching combining disconnecting link 4.
The continuously adjustable ice-melt rectifier of this a kind of voltage of the present invention no-load test device that constitutes thus is proved to be respond well through test run and simulation calculation, working stability, and safe and reliable, high efficiency reaches designing requirement fully.
Claims (1)
1. the continuously adjustable ice-melt rectifier of voltage no-load test device; It is characterized in that; It is composed in series by switch (1), three-phase regulator (2), six phase step-up transformer (3), switching combining disconnecting link (4), measurement display system (5), protection system (6), control system (7), block sytem (8); The output terminal of wherein said switch (1) connects the input end of three-phase regulator (2); The output terminal of this three-phase regulator (2) connects the input end of six phase step-up transformer (3); The six phase output terminal of this six phase step-up transformer (3) connects the input end of switching combining disconnecting link (4); Four groups of signal input parts of said measurement display system (5); The corresponding successively respectively input end of said three-phase regulator (2), the output terminal of three-phase regulator (2), the delta windings output terminal of six phase step-up transformer (3), the star winding output terminal of six phase step-up transformer (3) of connecting; The input end of said protection system (6) connects the output terminal of said measurement display system (5), the input end of the output terminal connection control system (7) of protection system (6), three output terminals of said control system (7); One of them output terminal connects the signal input end of said switch (1); Another output terminal connects the signal input end of said switching combining disconnecting link (4), and a remaining output terminal connects the signal input end of said block sytem (8), and the output terminal of this block sytem (8) connects the block signal input end of said switching combining disconnecting link (4).
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| CN2012101794038A CN102680840A (en) | 2012-06-01 | 2012-06-01 | Voltage continuously adjustable no-load test device for ice melting rectifier |
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| CN2012101794038A CN102680840A (en) | 2012-06-01 | 2012-06-01 | Voltage continuously adjustable no-load test device for ice melting rectifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543362A (en) * | 2013-10-31 | 2014-01-29 | 国家电网公司 | Selecting method of filters in extra-high voltage transformer no-load test |
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| JP2000134793A (en) * | 1998-10-22 | 2000-05-12 | Toshiba Corp | Current limiter testing circuit |
| CN101813729A (en) * | 2010-03-30 | 2010-08-25 | 南方电网技术研究中心 | No-load applied voltage test and protection method for DC ice-smelting device |
| CN101820153A (en) * | 2010-03-30 | 2010-09-01 | 南方电网技术研究中心 | System debugging method for DC ice melting device |
| CN101847856A (en) * | 2010-05-13 | 2010-09-29 | 湖南省电力公司试验研究院 | Power transmission line direct current ice melting device based on twelve pulse wave uncontrollable rectification |
| JP2010217043A (en) * | 2009-03-17 | 2010-09-30 | Fuji Electric Holdings Co Ltd | Apparatus for testing power conversion apparatus |
| CN201682247U (en) * | 2010-05-13 | 2010-12-22 | 湖南省电力公司试验研究院 | Voltage adjustable direct-current deicing device for power transmission lines |
| CN201918684U (en) * | 2010-11-27 | 2011-08-03 | 新县电业局 | Ice melting device for power transmission lines |
| CN202631661U (en) * | 2012-06-01 | 2012-12-26 | 湖南省电力公司科学研究院 | No-load tester of de-icing rectifier with continuously adjustable voltage |
-
2012
- 2012-06-01 CN CN2012101794038A patent/CN102680840A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000134793A (en) * | 1998-10-22 | 2000-05-12 | Toshiba Corp | Current limiter testing circuit |
| JP2010217043A (en) * | 2009-03-17 | 2010-09-30 | Fuji Electric Holdings Co Ltd | Apparatus for testing power conversion apparatus |
| CN101813729A (en) * | 2010-03-30 | 2010-08-25 | 南方电网技术研究中心 | No-load applied voltage test and protection method for DC ice-smelting device |
| CN101820153A (en) * | 2010-03-30 | 2010-09-01 | 南方电网技术研究中心 | System debugging method for DC ice melting device |
| CN101847856A (en) * | 2010-05-13 | 2010-09-29 | 湖南省电力公司试验研究院 | Power transmission line direct current ice melting device based on twelve pulse wave uncontrollable rectification |
| CN201682247U (en) * | 2010-05-13 | 2010-12-22 | 湖南省电力公司试验研究院 | Voltage adjustable direct-current deicing device for power transmission lines |
| CN201918684U (en) * | 2010-11-27 | 2011-08-03 | 新县电业局 | Ice melting device for power transmission lines |
| CN202631661U (en) * | 2012-06-01 | 2012-12-26 | 湖南省电力公司科学研究院 | No-load tester of de-icing rectifier with continuously adjustable voltage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543362A (en) * | 2013-10-31 | 2014-01-29 | 国家电网公司 | Selecting method of filters in extra-high voltage transformer no-load test |
| CN103543362B (en) * | 2013-10-31 | 2016-02-10 | 国家电网公司 | The choosing method of extra-high voltage transformer no-load test median filter |
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Owner name: HU NAN XIANGDIAN TRIAL RESEARCH TECHNOLOGY CO., LT Free format text: FORMER OWNER: HU NAN XIANGDIAN TRIAL RESEARCH TECHNOLOGY CO., LTD. Effective date: 20121018 |
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Effective date of registration: 20121018 Address after: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha Applicant after: Science Research Institute of Hunan Electric Power Co., Ltd. Applicant after: Hunan Xiangdian Electric Power Text & Research Co., Ltd. Applicant after: State Grid Corporation of China Address before: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha Applicant before: Science Research Institute of Hunan Electric Power Co., Ltd. Applicant before: Hunan Xiangdian Electric Power Text & Research Co., Ltd. |
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Application publication date: 20120919 |