CN202906761U - Power supply circuit for high-voltage TSC trigger unit - Google Patents
Power supply circuit for high-voltage TSC trigger unit Download PDFInfo
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- CN202906761U CN202906761U CN 201220651287 CN201220651287U CN202906761U CN 202906761 U CN202906761 U CN 202906761U CN 201220651287 CN201220651287 CN 201220651287 CN 201220651287 U CN201220651287 U CN 201220651287U CN 202906761 U CN202906761 U CN 202906761U
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- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 239000006247 magnetic powder Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
A power supply circuit for a high-voltage TSC trigger unit belongs to the power supply technology field of high-voltage trigger devices and solves problems that power-supply energy sources of conventional high-voltage TSC trigger devices aren't reliable and operation performances of transistor valve groups are affected. The power supply circuit comprises a high-frequency isolation power supply and a plurality of power supply branches, wherein every power supply branch consists of an electromagnetic induction circuit, a rectification circuit, a voltage stabilizing circuit and a level conversion circuit. An output terminal of the high-frequency isolation power supply passes through a high voltage cable to form a power supply loop. The power supply loop is connected with a plurality of electromagnetic induction circuits in series. An induction-electromotive-force output terminal of every electromagnetic induction circuit is connected with an induction-electromotive-force input terminal of the rectification circuit. A DC voltage output terminal of the rectification circuit is connected with a DC voltage input terminal of the voltage stabilizing circuit. A voltage output terminal of the voltage stabilizing circuit is connected with a voltage input terminal of the level conversion circuit. The power supply circuit provided by the utility model is used for providing electric energy for the high-voltage TSC trigger unit.
Description
Technical field
The utility model relates to a kind of power supply circuits of high pressure TSC trigger element, belongs to the power supply technique field of high-voltage trigger equipment.
Background technology
In recent years, powerful power electronic equipment finds broad application in industrial circle, and electric network reactive-load is required also to increase with day.According to the interrelated data analysis, the reactive power of electric power system present stage load is about 1.3 times of active power, and numerical value continues to increase.Therefore, reactive power compensation is to improving the quality of power supply, and systems stabilisation voltage is significant.Current, the power line damage structure of China is mainly 220kV, 110kV, 35kV and 10kV, in the urgent need to system is carried out fast, dynamic reactive power compensation.Power department is widelyd popularize reactive power on-site compensation device, and its importance is fairly obvious.High-pressure thyristor switched capacitor TSC (Thyristor Switched Capacitor) device has been brought into play considerable effect in solving the problems such as grid stability and power-distribution electric energy quality, be the practical technique that generally adopts at present.Thyristor triggering device is the important component part of high pressure TSC, and it is the device that triggers the conducting of crystal pipe valve group.Because the above high pressure of 10kV is difficult to bear concerning single thyristor, the mode of general normal employing Thyristors in series, series connection uses thyristor only to trigger simultaneously just at all thyristors can obtain satisfied effect.Even the gate pole trigger impulse of different thyristors differs several milliseconds (ms) and also can produce serious influence at series average-voltage, and then affects the compensation effect of high pressure TSC.Because the thyristor valve group of high pressure TSC device generally all is positioned at high potential, the trigger board energy source is chosen improper meeting and is caused the trigger energy fluctuation, directly affects the service behaviour of whole valve group.Simultaneously, owing to adopt a plurality of Thyristors in series, complete equipment needs a plurality of power supply units, if adopt isolating transformer, then needs dozens of, and cost is higher, and wiring is complicated.
In order to guarantee the consistency of series thyristor conducting, require trigger equipment to provide a trigger current that enough amplitudes and pulse front edge steepness are arranged to a plurality of series thyristor control utmost points in the same valve arm.Therefore, trigger energy chooses the service behaviour that directly has influence on whole valve group.At present, the energy that high pressure triggers energy supply circuit mainly contains following source: 1) when thyristor valve turn-offs, getting from equalizer circuit can, the required components and parts of this mode are less, circuit structure is simple, and cost is low, but circuit parameter is optimized difficulty, if it is unreasonable that circuit parameter is selected, may cause the thyristor valve group can not the triggered as normal conducting, make power supply reliability poor, and when the thyristor valve conducting, its both end voltage is zero, and this getting can mode can be lost efficacy; 2) utilize the current energy-taking of the thyristor of flowing through after the conducting of thyristor valve group, namely by the high-tension current inductor (CT) of thyristor loop series connection get can, when thyristor valve turn-offs or not during conducting, CT gets and can mode lose efficacy; 3) adopting equalizer circuit energy supply and CT to get can mode be used in combination, but this combination energy-provision way takes up room greatly, involves great expense.
The utility model content
The utility model is unreliable in order to solve the confession source of electrical energy that has high pressure TSC trigger equipment now, affects the problem of crystal pipe valve group service behaviour, and a kind of power supply circuits of high pressure TSC trigger element are provided.
The power supply circuits of high pressure TSC trigger element described in the utility model, it comprises high-frequency isolation power supply and a plurality of power supply branch road, each power supply route electromagnetic induction circuit, rectification circuit, voltage stabilizing circuit and level shifting circuit form,
The output of high-frequency isolation power supply connects into electric power loop by high-tension cable, a plurality of electromagnetic induction circuit of series connection on this electric power loop,
The induced electromotive force output of each electromagnetic induction circuit connects the induced electromotive force input of rectification circuit, the dc voltage output end of rectification circuit connects the dc voltage input end of voltage stabilizing circuit, and the voltage output end of voltage stabilizing circuit connects the voltage input end of level shifting circuit.
The electromagnetic induction circuit is comprised of metal magnetic powder core magnet ring and coil,
Described high-tension cable passes a plurality of metal magnetic powder core magnet rings, and a plurality of metal magnetic powder core magnet rings consist of cascaded structure, winding around on each metal magnetic powder core magnet ring.
The utility model has the advantages that: the utility model volume is little, and cost is low, is convenient to installation and maintenance, and tape insulation hidden danger and disturb hidden danger not, and reliability is high.It provides output energy stabilization, the working power that reliability is high for high pressure TSC trigger element, can guarantee the effect of high pressure TSC device reactive power compensation.
Description of drawings:
Fig. 1 is theory diagram of the present utility model.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the power supply circuits of the described high pressure TSC of present embodiment trigger element, it comprises high-frequency isolation power supply 1 and a plurality of power supply branch road, each power supply route electromagnetic induction circuit 2, rectification circuit 3, voltage stabilizing circuit 4 and level shifting circuit 5 form
The output of high-frequency isolation power supply 1 connects into electric power loop by high-tension cable, a plurality of electromagnetic induction circuit 2 of series connection on this electric power loop,
The induced electromotive force output of each electromagnetic induction circuit 2 connects the induced electromotive force input of rectification circuit 3, the dc voltage output end of rectification circuit 3 connects the dc voltage input end of voltage stabilizing circuit 4, and the voltage output end of voltage stabilizing circuit 4 connects the voltage input end of level shifting circuit 5.
In the present embodiment, electromagnetic induction circuit 2, rectification circuit 3, voltage stabilizing circuit 4 and the level shifting circuit 5 of each power supply branch road can be integrated in the unit, and pour into epoxy resin.Electromagnetic induction circuit 2 in each power supply branch road, rectification circuit 3, voltage stabilizing circuit 4 and the identical circuit topological structure of level shifting circuit 5 corresponding employings.
Embodiment two: below in conjunction with Fig. 1 present embodiment is described, present embodiment is for to the further specifying of execution mode one, and the described electromagnetic induction circuit 2 of present embodiment is comprised of metal magnetic powder core magnet ring 2-1 and coil 2-2,
Described high-tension cable passes a plurality of metal magnetic powder core magnet ring 2-1, and a plurality of metal magnetic powder core magnet ring 2-1 consist of cascaded structure, the upper winding around 2-2 of each metal magnetic powder core magnet ring 2-1.
In the present embodiment, high-tension cable is connected with the output of high-frequency isolation power supply 1 after passing a plurality of metal magnetic powder core magnet ring 2-1.
Power supply process of the present utility model is as follows: high-frequency isolation power supply 1 is through the voltage of high-tension cable output alternation, and sense coil 2-2 on the metal magnetic powder core magnet ring 2-1 of electromagnetic induction circuit 2, generate induced electromotive force, this induced electromotive force is output dc voltage behind rectification circuit 3, is converted into the working power that high pressure TSC trigger element each several part needs through voltage stabilizing circuit 4 and level shifting circuit 5 again.
The power density of metal magnetic powder core magnet ring 2-1 is higher than ferrite bead commonly used, and its magnetic bias curve has almost linear feature so that magnetic core is not easy to enter saturation condition simultaneously.When running into the environmental changes such as variations in temperature and mechanical shock, metal magnetic powder core is more slow in reacting than ferritic, and these are all so that the reliability of metal magnetic powder core magnet ring 2-1 is better than ferrite bead, and namely metal magnetic powder core magnet ring 2-1 is more suitable for working under abominable operating mode.
The voltage stabilizing circuit 4 of power supply circuits described in the utility model utilizes the Current Negative Three-Point Capacitance principle to provide reliable and stable operating voltage for each circuit unit.Because the insulating process of high-tension cable is very ripe, therefore, the insulation technology of these power supply circuits is ripe, not tape insulation hidden danger and interference hidden danger.
Claims (2)
1. the power supply circuits of a high pressure TSC trigger element, it is characterized in that: it comprises high-frequency isolation power supply (1) and a plurality of power supply branch road, each power supply route electromagnetic induction circuit (2), rectification circuit (3), voltage stabilizing circuit (4) and level shifting circuit (5) form
The output of high-frequency isolation power supply (1) connects into electric power loop by high-tension cable, series connection a plurality of electromagnetic induction circuit (2) on this electric power loop,
The induced electromotive force output of each electromagnetic induction circuit (2) connects the induced electromotive force input of rectification circuit (3), the dc voltage output end of rectification circuit (3) connects the dc voltage input end of voltage stabilizing circuit (4), and the voltage output end of voltage stabilizing circuit (4) connects the voltage input end of level shifting circuit (5).
2. the power supply circuits of high pressure TSC trigger element according to claim 1, it is characterized in that: electromagnetic induction circuit (2) is comprised of metal magnetic powder core magnet ring (2-1) and coil (2-2),
Described high-tension cable passes a plurality of metal magnetic powder core magnet rings (2-1), and a plurality of metal magnetic powder core magnet rings (2-1) consist of cascaded structure, the upper winding around (2-2) of each metal magnetic powder core magnet ring (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651287 CN202906761U (en) | 2012-11-30 | 2012-11-30 | Power supply circuit for high-voltage TSC trigger unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651287 CN202906761U (en) | 2012-11-30 | 2012-11-30 | Power supply circuit for high-voltage TSC trigger unit |
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| Publication Number | Publication Date |
|---|---|
| CN202906761U true CN202906761U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220651287 Expired - Lifetime CN202906761U (en) | 2012-11-30 | 2012-11-30 | Power supply circuit for high-voltage TSC trigger unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN202906761U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295751A (en) * | 2013-07-03 | 2013-09-11 | 中国船舶重工集团公司第七二四研究所 | High isolation drive transformer and design method thereof |
| CN103326590A (en) * | 2013-07-08 | 2013-09-25 | 荣信电力电子股份有限公司 | Power device for controlling power semiconductor device to form series valve group |
| CN110648825A (en) * | 2018-06-27 | 2020-01-03 | 台达电子工业股份有限公司 | Transformer device |
| CN110690734A (en) * | 2019-10-15 | 2020-01-14 | 艾铂科技(湖北)有限公司 | High-voltage sensor induction power supply |
-
2012
- 2012-11-30 CN CN 201220651287 patent/CN202906761U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295751A (en) * | 2013-07-03 | 2013-09-11 | 中国船舶重工集团公司第七二四研究所 | High isolation drive transformer and design method thereof |
| CN103295751B (en) * | 2013-07-03 | 2016-02-10 | 中国船舶重工集团公司第七二四研究所 | A kind of high isolation drive transformer and method for designing thereof |
| CN103326590A (en) * | 2013-07-08 | 2013-09-25 | 荣信电力电子股份有限公司 | Power device for controlling power semiconductor device to form series valve group |
| CN103326590B (en) * | 2013-07-08 | 2015-06-10 | 荣信电力电子股份有限公司 | Power device for controlling power semiconductor device to form series valve group |
| CN110648825A (en) * | 2018-06-27 | 2020-01-03 | 台达电子工业股份有限公司 | Transformer device |
| US11600423B2 (en) | 2018-06-27 | 2023-03-07 | Delta Electronics, Inc. | Transformer |
| CN110690734A (en) * | 2019-10-15 | 2020-01-14 | 艾铂科技(湖北)有限公司 | High-voltage sensor induction power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Harbin Tetong Electric Co.,Ltd. Assignor: Li Guoyong Contract record no.: 2013230000859 Denomination of utility model: Power supply circuit for high-voltage TSC trigger unit Granted publication date: 20130424 License type: Exclusive License Record date: 20130522 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151019 Address after: Songbei Ju Bao road 150069 Heilongjiang city of Harbin province No. 588 city of Harbin science and technology innovation enterprise accelerator Building No. 7 Patentee after: Heilongjiang Tetong Electric Co.,Ltd. Address before: Haping Road Development Zone in Harbin City, Heilongjiang province 150069 District Wenzhou Road No. 9-1 Patentee before: Li Guoyong |
|
| EM01 | Change of recordation of patent licensing contract |
Change date: 20160304 Contract record no.: 2013230000859 Assignor after: Heilongjiang Tetong Electric Co.,Ltd. Assignor before: Li Guoyong |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Harbin Tetong Electric Co.,Ltd. Assignor: Heilongjiang Tetong Electric Co.,Ltd. Contract record no.: 2013230000859 Date of cancellation: 20160315 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Songbei Ju Bao road 150069 Heilongjiang city of Harbin province No. 588 city of Harbin science and technology innovation enterprise accelerator Building No. 7 Patentee after: HEILONGJIANG TETONG ELECTRIC Co.,Ltd. Address before: Songbei Ju Bao road 150069 Heilongjiang city of Harbin province No. 588 city of Harbin science and technology innovation enterprise accelerator Building No. 7 Patentee before: Heilongjiang Tetong Electric Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |