CN201910733U - High-voltage serially-connected thyristor control signal and energy transmission system - Google Patents
High-voltage serially-connected thyristor control signal and energy transmission system Download PDFInfo
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- CN201910733U CN201910733U CN2010206793733U CN201020679373U CN201910733U CN 201910733 U CN201910733 U CN 201910733U CN 2010206793733 U CN2010206793733 U CN 2010206793733U CN 201020679373 U CN201020679373 U CN 201020679373U CN 201910733 U CN201910733 U CN 201910733U
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Abstract
The utility model relates to a high-voltage serially-connected thyristor control signal and energy transmission system, which comprises a master control board, high-frequency power supply boards, pulse distribution boards, drive boards, a voltage sampling and protection circuit, a high-voltage thyristor module, a power supply conversion device, optical fibers and high-voltage cables. Three-phase thyristor trigger signals given out by the master control board are respectively input into three pulse distribution boards, ten loops of light-control signals output by the pulse distribution boards are respectively transmitted to the corresponding drive boards through the optical fibers, and then the signals are output to the high-voltage thyristor module through the output ends of the drive boards; high-voltage sampling signals and thyristor protection signals on a high-voltage side are fed back to the master control board through other optical fibers; and at the same time, the 220V alternating-current power supply of the master control board is converted by the power supply conversion device into direct-current power supply which is output to the high-voltage power supply boards which are connected in an output circuit in parallel, then signals output by the output ends of the high-frequency power supply boards sequentially pass through the drive boards and a high-performance magnet ring in a voltage sampling and protection circuit board through the high-voltage cables, and therefore enough power which is supplied to a drive circuit and the voltage sampling and protection circuit to work can be generated.
Description
Technical field
The utility model relates to the controllable silicon application technology, the transmission system of especially a kind of high-pressure series SCR control signal and energy.
Background technology
Power electronic technology, along with the continuous progress of industry, the electric pressure that controllable silicon is used is more and more higher, and power is increasing.The control device that adopts serial connection controllable silicon to use, key are to solve the isolation between high-low pressure and the stability of control.
At present, in adopting the high voltage system of controllable silicon as power device, signal and power transfer before high-pressure side and the low voltage control side must guarantee safe and reliable utterly.In the design process of indirect light triggering system, what mainly need solution is two problems:
1, Signal Spacing problem.Gate drive circuit and the high pressure phase of opening shutoff as direct control thyristor are same, and corresponding signal control circuit belongs to low pressure, the insulation intractable.
2, the transmission circuit of control signal and energy design.Open the gate drive circuit of shutoff as direct control thyristor, because it uses at high pressure, its circuit complexity is more than the circuit complexity of general triggering system, also will consider corresponding protection circuit and element observation circuit simultaneously.
Summary of the invention
The purpose of this utility model: be intended to propose a kind of light is isolated and the magnetic isolation technology is applied to the transmission system of control signal and energy in many serial connection controllable silicon devices, wish further raising system safety coefficient and reliability of operation.
The transmission system of this high-pressure series controllable silicon soft starter device control signal and energy is characterized in that: it comprises master control borad, high-frequency electrical source plate, pulse distribution plate, drive plate, voltage sample and protective circuit, high-voltage thyristor module, AC-DC electric power conversion apparatus, optical fiber, high-tension cable; Three-phase controllable silicon triggering signal A, B, C that wherein said master control borad sends insert three blocks of pulse distribution plates respectively, and through each pulse distribution plate each 10 road optically-controlled signal that produce output is sent to three corresponding drive plates respectively by optical fiber, then each output through each drive plate links to each other with the high-voltage thyristor module again; In addition, on high-tension side voltage sampling signal of bus and silicon controlled rectifier protecting signal also feed back to master control borad by another optical fiber; Simultaneously; described master control borad 220 AC power are in parallel with a plurality of high-frequency electrical source plates in being connected in parallel on output circuit by the power output circuit of AC-DC electric power conversion apparatus; and again the output by the high-frequency electrical source plate with signal by high-tension cable pass successively in pairing drive plate and voltage sample and the protective circuit plate the high-performance magnet ring, arrive the high-voltage thyristor module.
According to this high-pressure series controllable silicon soft starter device control signal of above technical scheme proposition and the transmission system of energy, compare with existing similar technology, have the following advantages:
1, high security.Adopt the indirect light triggering system, utilize optical fiber to connect high voltage device and low-voltage control circuit, thoroughly solved the Signal Spacing problem, more safe and reliable;
2, ease for maintenance.Adopt modularized design in the body design,, only need to change corresponding module operate as normal once more, change and safeguard convenient in case go wrong.
3, expansibility.Design adopts modularized design scheme, can design at different electric pressures, illustration can be used for the 10KV system, as needs design 6KV device, only need every going up mutually to reduce thyristor and corresponding drive control module, do not need to redesign agent structure.For the more voltage levels that surpasses 10KV, this scheme is suitable equally.
Description of drawings
Accompanying drawing is a structural representation of the present utility model
Among the figure: the 1-master control borad 2.1-high-frequency electrical source plate 2.2-high-frequency electrical source plate 2.3-high-frequency electrical source plate 2.4-high-frequency electrical source plate 3.1-first pulse distribution plate 3.2-second pulse distribution plate 3.3-the 3rd pulse distribution plate 4.1-first drive plate 4.2-second drive plate 4.3-the 3rd drive plate 5-voltage sample protective circuit 6-high-voltage thyristor module 7-electric power conversion apparatus 8-optical fiber 9-high-tension cable 10-optical fiber.
Embodiment
This high-pressure series controllable silicon soft starter device control signal as shown in the figure and the transmission system of energy is characterized in that: it comprises master control borad 1, four high-frequency electrical source plate 2-1 ~ 2-4, three pulse distribution plate 3-1 ~ 3-3, three drive plate 4-1 ~ 4-3, voltage sample and protective circuits 5, high-voltage thyristor module 6, AC-DC electric power conversion apparatus 7, optical fiber 8,10, high-tension cable 9; Three-phase controllable silicon triggering signal A, B, the C that wherein said master control borad 1 sends inserts three pulse distribution plate 3-1,3-2,3-3 respectively, and 10 road optically-controlled signals of exporting through each pulse distribution plate 3-1, each generation of 3-2,3-3 are sent to three corresponding drive plates respectively by optical fiber 8: the first drive plate 4-1, the second drive plate 4-2, the 3rd drive plate 4-3, and then each output through each drive plate links to each other with high-voltage thyristor module 6 again; In addition, on high-tension side voltage sampling signal of bus and silicon controlled rectifier protecting signal 5 feed back to master control borad 1 by another optical fiber 10, to realize the collection and the various protection of real time data; Simultaneously, 220 AC power of master control borad 1 produce DC power supply by AC-DC electric power conversion apparatus 7 and export a plurality of high-frequency electrical source plates that are connected in parallel in the output circuit to: the first high-frequency electrical source plate 2-1, the second high-frequency electrical source plate 2-2, the 3rd high-frequency electrical source plate 2-3, the 4th high-frequency electrical source plate 2-4, and again the output end signal by the high-frequency electrical source plate by high-tension cable 9 pass successively in each drive plate and voltage sample and the protective circuit plate 5 the high-performance magnet ring, connect and arrive the high-voltage thyristor module; Produce enough power supplys thus and supply with drive circuit and voltage sample and protective circuit work.
The transmission system of above-mentioned this high-pressure series controllable silicon soft starter device control signal and energy, operation principle is as follows:
Three-phase controllable silicon triggering signal process pulse distribution to the three pulse distribution plate that master control borad 1 sends: the first pulse distribution plate 3-1, the second pulse distribution plate 3-2, the 3rd pulse distribution plate 3-3, every 10 road optically-controlled signals that produce mutually are sent to the corresponding first drive plate 4-1, the second drive plate 4-2, the 3rd drive plate 4-3 by optical fiber 8, and control 30 tunnel (every phase 10 tunnel) drive circuit altogether triggers high-voltage thyristor module 6; In addition, on high-tension side voltage sampling signal and silicon controlled rectifier protecting signal 5 also feed back to master control borad 1 by another optical fiber 10, to realize the collection and the various protection of real time data; On high-tension side energy is supplied with route: 220 AC power produce a plurality of high-frequency electrical source plates that are connected in parallel in the dc output circuit of direct-current power supply by AC-DC electric power conversion apparatus 7: the first high-frequency electrical source plate 2-1, the second high-frequency electrical source plate 2-2, the 3rd high-frequency electrical source plate 2-3, the 4th high-frequency electrical source plate 2-4; output high frequency electric source signal passes high-performance magnet ring on drive plate and voltage sample and the protective circuit plate successively by high-tension cable 9, produces enough power supply supply drive circuit and voltage sample and protective circuit work.Thereby realize: the control signal of high and low pressure side is isolated by light, and power transfer is isolated by magnetic, makes the high and low pressure side not have direct electrical communication fully, makes very safe and reliable of whole system.
The present invention adopts light to isolate and the magnetic isolation technology, is applied to the transmission of high-pressure series thyristor installation control signal and energy, guarantees that system safety moves reliably.
Claims (1)
1. the transmission system of high-pressure series controllable silicon soft starter device control signal and energy, it is characterized in that: it comprises master control borad (1), high-frequency electrical source plate, pulse distribution plate, drive plate, voltage sample and protective circuit (5), high-voltage thyristor module (6), AC-DC electric power conversion apparatus (7), optical fiber, high-tension cable (9); Three-phase controllable silicon triggering signal A, B, C that wherein said master control borad (1) sends insert three pulse distribution plates (3-1), (3-2), (3-3) respectively, and through each pulse distribution plate each 10 road optically-controlled signal that produce output is sent to corresponding three drive plates (4-1), (4-2), (4-3) respectively by optical fiber (8), then respectively link to each other with high-voltage thyristor module (6) again through output of each drive plate; In addition, on high-tension side voltage sampling signal of bus and silicon controlled rectifier protecting signal (5) feed back to master control borad (1) by another optical fiber (10), to realize the collection and the various protection of real time data; Simultaneously; master control borad (1) 220 AC power produces DC power supply by AC-DC electric power conversion apparatus (7) and exports a plurality of a plurality of high-frequency electrical source plates (2-1), (2-2), 2-3 that are connected in parallel in the output circuit to), (2-4); and again with the output end signal of each high-frequency electrical source plate by high-tension cable (9) pass successively in each drive plate and voltage sample and the protective circuit plate (5) the high-performance magnet ring, produce enough power supplys of supplying with drive circuit and voltage sample and protective circuit work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206793733U CN201910733U (en) | 2010-12-24 | 2010-12-24 | High-voltage serially-connected thyristor control signal and energy transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206793733U CN201910733U (en) | 2010-12-24 | 2010-12-24 | High-voltage serially-connected thyristor control signal and energy transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910733U true CN201910733U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206793733U Expired - Fee Related CN201910733U (en) | 2010-12-24 | 2010-12-24 | High-voltage serially-connected thyristor control signal and energy transmission system |
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| CN (1) | CN201910733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035359A (en) * | 2010-12-24 | 2011-04-27 | 上海追日电气有限公司 | High-voltage serial silicon controlled rectifier (SCR) control signal and energy transmission system |
| CN109167534A (en) * | 2018-09-26 | 2019-01-08 | 上海雷诺尔科技股份有限公司 | A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit |
-
2010
- 2010-12-24 CN CN2010206793733U patent/CN201910733U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035359A (en) * | 2010-12-24 | 2011-04-27 | 上海追日电气有限公司 | High-voltage serial silicon controlled rectifier (SCR) control signal and energy transmission system |
| CN109167534A (en) * | 2018-09-26 | 2019-01-08 | 上海雷诺尔科技股份有限公司 | A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20171224 |