CN103151905B - A kind of many IGCT synchronizable optical pulsed triggering circuits - Google Patents
A kind of many IGCT synchronizable optical pulsed triggering circuits Download PDFInfo
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- CN103151905B CN103151905B CN201310044438.5A CN201310044438A CN103151905B CN 103151905 B CN103151905 B CN 103151905B CN 201310044438 A CN201310044438 A CN 201310044438A CN 103151905 B CN103151905 B CN 103151905B
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Abstract
A kind of many IGCT synchronizable optical pulsed triggering circuits, including master controller, the IGCT of light pulse trigger and connection light pulse trigger output end, also include spare controller, light pulse detector and the second light pulse trigger, the IGBT group light pulse signal that the master controller is produced connects light pulse trigger through optical fiber transmission line, spare controller produces corresponding IGBT group light pulse signal and connects the second light pulse trigger through optical fiber transmission line, described light pulse detector one end connects the second light pulse trigger through optical fiber transmission line, the light pulse detector other end connects master controller and spare controller through optical fiber transmission line, level on line is provided between the light pulse trigger and the second light pulse trigger.The present apparatus has high circuit structure simplicity, long transmission distance, reliability, strong antijamming capability and makes the characteristics of maintenance cost is low, can preferably meet the synchronous triggering of IGCT series and parallel or many IGCTs under cophase counter parallel connection rectifier operation mode in high-power high-voltage thyristor converter system.
Description
Technical field
The present invention relates to a kind of IGCT light pulse triggers circuit, more particularly to a kind of high-power high-voltage IGCT unsteady flow
Many IGCT synchronizable optical pulsed triggering circuits in system under IGCT series and parallel or cophase counter parallel connection rectifier operation mode.
Background technology
In high-power thyristor converter plant system, because output current and voltage are larger, major loop valve arm is often adopted
With many Thyristors, mode works in parallel or series, while being that further offset magnetic field and reduction are lost, typically in big work(
In the thyristor rectifier device of rate, main circuit also tends to use cophase counter parallel connection circuit wiring pattern.These systems are required to together
Many series, parallel of one conductive group or the thyristor device of anti-parallel connection reliablely and stablely can be triggered synchronously in synchronization
It is open-minded.
High-power thyristor converter plant is typically all to be operated in powerful ac and dc current and high voltage rating conditions
Under, therefore its site environment is severe, electromagnetic interference is very serious, and the IGCT electric pulse triggering system warp generally used at present
Often it is subject to interference, it is difficult to ensure the long-term highly reliable operation of thyristor converter devices system.
The content of the invention
Its purpose of the invention, which is that, provides a kind of synchronizable optical pulsed triggering circuit of many IGCTs, meets high-power high electricity
Many IGCTs in thyristor converter system under IGCT series and parallel or cophase counter parallel connection rectifier operation mode are pressed synchronously to trigger.
The triggers circuit can not only solve short transmission range of the electric impulse signal in transmitting procedure, easy decay, easily by electromagnetic interference
The problems such as, additionally it is possible to synchronous triggering multipath series-parallel IGCT is realized by way of cascaded triggering, and realizes two-way light arteries and veins
Rush input signal hot stand by redundancy function standby each other, with circuit structure simplicity, long transmission distance, reliability it is high,
The characteristics of strong antijamming capability and low making maintenance cost.
The technical scheme realized above-mentioned purpose and taken, including master controller, light pulse trigger and connection light pulse are touched
Send out the IGCT of device output end, in addition to spare controller, light pulse detector and the second light pulse trigger, the main control
The IGBT group light pulse signal that device is produced connects light pulse trigger through optical fiber transmission line, and spare controller produces corresponding
IGBT group light pulse signal connects the second light pulse trigger through optical fiber transmission line, and described light pulse detector one end is through light
Fine transmission line connects the second light pulse trigger, and the light pulse detector other end connects master controller and standby through optical fiber transmission line
Controller, is provided with level on line between the light pulse trigger and the second light pulse trigger, light pulse trigger exports one
Cascade signal, the second light pulse trigger is connected through level on line.
Beneficial effect
The present invention has advantages below compared with prior art.
The present invention is touched using two sets of completely self-contained controllers, optical fiber transmission, light pulse triggering, cascaded triggering and light pulse
The two-way hot stand by redundancy optical pulse synchronization triggering of many IGCTs of the circuit realirations such as detection is sent out, it is concise, steady with circuit structure
Determine high reliability, strong antijamming capability and make the characteristics of maintenance cost is low, can preferably meet high-power high-voltage brilliant
The synchronous triggering of IGCT series and parallel or many IGCTs under cophase counter parallel connection rectifier operation mode in brake tube converter system.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is present apparatus circuit principle structure block diagram；
Fig. 2 is light pulse trigger theory diagram in Fig. 1；
Fig. 3 is light pulse detector theory diagram in Fig. 1.
Embodiment
The present apparatus includes the IGCT 12 of master controller 3, light pulse trigger 1 and the output end of connection light pulse trigger 1,
As shown in figure 1, also including spare controller 4, the light pulse trigger 2 of light pulse detector 5 and second, the master controller 3 is produced
Raw IGBT group light pulse signal connects light pulse trigger 1 through optical fiber transmission line, and spare controller 4 produces corresponding crystalline substance
Brake tube triggering light signal connects the second light pulse trigger 2 through optical fiber transmission line, and described one end of light pulse detector 5 is through light
Fine transmission line connects the second light pulse trigger 2, and the other end of light pulse detector 5 connects the He of master controller 3 through optical fiber transmission line
Level on line, light pulse trigger 1 are provided between spare controller 4, the light pulse trigger 2 of light pulse trigger 1 and second
A cascade signal is exported, the second light pulse trigger 2 is connected through level on line.
In the light pulse trigger 1, light pulse input signal becomes through optical electrical change-over circuit, power amplification, impulsive quarantine
Change and exported with pulse, drive IGCT 12, as shown in Fig. 2 the light pulse trigger 1 exports a cascade signal, through cascade
Line connects the second light pulse trigger 2, is exported through power amplification, impulsive quarantine conversion and pulse, drives the second IGCT 14.
In the second light pulse trigger 2, power amplification circuit is except generation 24V power pulses are to power conversion circuit
Outside, while also producing a 5V electric impulse signal gives electrical/optical change-over circuit, light pulse signal output is converted to, this signal is through light
Fine transmission line delivers to light pulse detector 5, after optical electrical conversion and fpga logic judge in light pulse detector 5, while through two
Road electrical/optical conversion is connected to the light pulse detection trigger port of master controller 3 and spare controller 4 through optical fiber transmission line respectively,
As shown in Figure 3.
The present apparatus includes master controller, spare controller, light pulse trigger circuit, light pulse measure loop, optical fiber transmission
Line, level on line etc..
The master controller or spare controller of control system each can directly send 6 tunnels needed for thyristor converter devices or
12 road light trigger pulses, 6 groups or 12 groups of light pulse trigger circuits of rectifier cabinet are respectively transmitted to per road trigger signal, often through optical fiber
Group light pulse trigger circuit includes the light pulse trigger of 2 and the above, the light pulse signal all the way that wherein master controller 3 is sent
It is directly connected to light pulse trigger 1 optic fibre input end mouthful, the corresponding light pulse signal all the way that spare controller 4 is sent is connected to the
The optic fibre input end mouthful of two light pulse triggers 2.During work, control system only has 1 controller and sends light pulse trigger signal,
Each light pulse trigger in same group of light pulse trigger circuit is all attached by cascading the level on line of port.
During normal work, the light pulse trigger signal all the way sent by master controller 3 is transmitted to light pulse through optical fiber and triggered
Device 1, after being changed through optical electrical, exports through power amplification, impulsive quarantine conversion and pulse output, produces driving IGCT institute all the way
The trigger pulse needed.Another road is exported to cascade port simultaneously, and each other light pulse trigger are connected to by level on line, as
Its pulse-triggered input signal, it is synchronous to be exported through power amplification, impulsive quarantine conversion and pulse, produce each self-driven IGCT
Required trigger pulse, it is achieved thereby that the synchronous triggering of many IGCTs.
In each light pulse trigger, power amplification circuit is in addition to power pulse is produced to power conversion circuit, together
When also produce an electric impulse signal and changed through electrical/optical to light pulse return signal output port.Every group of light pulse trigger circuit
The light pulse return signal of last light pulse trigger of cascade is coupled with light pulse detector by optical fiber and inputted
Port, after optical electrical conversion and fpga logic judge in light pulse detector, while through the conversion of two-way electrical/optical respectively through optical fiber
The light pulse detection trigger port of master controller and spare controller is connected to, so as to recognize whether light pulse trigger signal has exception
Failure, and startup spare controller, stopping master controller being judged whether with this, so as to realize that binary channels light pulse triggers stand-by heat
Switching control.
It can be seen from above-mentioned technical scheme that, the present invention is using two sets of completely self-contained controllers, optical fiber transmission, light arteries and veins
Rush the circuit realirations such as triggering, the cascaded triggering and light pulse detection trigger two-way hot stand by redundancy optical pulse synchronization of many IGCTs
Triggering, with circuit structure simplicity, high reliability, strong antijamming capability and the making low remarkable advantage of maintenance cost,
IGCT series and parallel or cophase counter parallel connection rectification work side in high-power high-voltage thyristor converter system can preferably be met
The synchronous triggering of many IGCTs under formula.
Carried out specifically so that controller sends light pulse trigger signal all the way while driving 4 parallel thyristors as an example below
It is bright.
In Fig. 1, the IGBT group light pulse signal that master controller 3 is produced delivers to light pulse triggering through optical fiber transmission line
Device 1, spare controller 4 produces corresponding IGBT group light pulse signal and delivers to the second light pulse trigger through optical fiber transmission line
2.During normal work, light pulse signal is only sent by master controller 3, in light pulse trigger 1, light pulse input signal warp
Optical electrical change-over circuit, is converted to amplitude for 5V electric impulse signals, and feeding power amplification circuit carries out power amplification, produces amplitude
For 24V power pulse, 24V power pulse enters pulse conversion circuit, and 8V pulses are produced through impulsive quarantine and amplitude transformation
Signal, exports pulse after impulse output circuit shaping, drives 2 IGCTs 12.A level is exported with optical pulse trigger 1
Join signal, the second light pulse trigger 2 is delivered to through level on line, in the second light pulse trigger 2, from light pulse trigger 1
Cascade signal carry out power amplification through power amplification circuit, produce the power pulse that amplitude is 24V, 24V power pulse enters
Enter pulse conversion circuit, produce 8V pulse signals through impulsive quarantine and amplitude transformation, arteries and veins is exported after impulse output circuit shaping
Punching, drives 2 IGCTs 14.The light pulse signal all the way for carrying out the output of autonomous controller 1 is reached while driving 4（Or more）And
Join the purpose of IGCT.
In the second light pulse trigger 2, power amplification circuit except produce 24V power pulses to power conversion circuit in addition to,
A 5V electric impulse signal is also produced simultaneously and gives electrical/optical change-over circuit, is converted to light pulse signal output, this signal is passed through optical fiber
Defeated line delivers to light pulse detector 5, after optical electrical conversion and fpga logic judge in light pulse detector 5, while through two-way
Electrical/optical changes the light pulse detection trigger port for being connected to master controller 3 and spare controller 4 through optical fiber transmission line respectively, so that
Recognize whether light pulse trigger signal is correct, and in this, as whether starting the foundation of spare controller.
When master controller 3 works, spare controller 4 is standby, comes autonomous when light pulse trigger 1 is not received
During the light pulse signal of controller 3, or light pulse trigger 1 exports the cascade signal loss to the second light pulse trigger 2, then
Second light pulse trigger 2 is exported will also be lost to the light pulse return signal of light pulse detector 5, and light pulse detector 5 is stood
That is hair return signal stops master controller 3 to master controller 3 and standby master controller 4, starts standby master controller 4, reaches heat
The purpose of standby switching.
Claims (3)
1. a kind of many IGCT synchronizable optical pulsed triggering circuits, including master controller（3）, light pulse trigger（1）With connection light
Pulse trigger（1）The IGCT of output end（12）, it is characterised in that also including spare controller（4）, light pulse detector
（5）With the second light pulse trigger（2）, the master controller（3）The IGBT group light pulse signal of generation is transmitted through optical fiber
Line connects light pulse trigger（1）, spare controller（4）Corresponding IGBT group light pulse signal is produced through optical fiber transmission line
Connect the second light pulse trigger（2）, the light pulse detector（5）One end connects the second light pulse triggering through optical fiber transmission line
Device（2）, light pulse detector（5）The other end connects master controller through optical fiber transmission line（3）And spare controller（4）, the light
Pulse trigger（1）With the second light pulse trigger（2）Between be provided with level on line, light pulse trigger（1）One cascade of output
Signal, the second light pulse trigger is connected through level on line（2）.
2. a kind of many IGCT synchronizable optical pulsed triggering circuits according to claim 1, it is characterised in that the light pulse
Trigger（1）In, light pulse input signal is exported through optical electrical change-over circuit, power amplification, impulsive quarantine conversion and pulse, is driven
Dynamic IGCT（12）, the light pulse trigger（1）A cascade signal is exported, the second light pulse trigger is connected through level on line
（2）, exported through power amplification, impulsive quarantine conversion and pulse, drive the second IGCT（14）.
3. a kind of many IGCT synchronizable optical pulsed triggering circuits according to claim 1 or 2, it is characterised in that described
Two light pulse triggers（2）In, power amplification circuit is in addition to 24V power pulses are produced to power conversion circuit, while also producing
One 5V electric impulse signal gives electrical/optical change-over circuit, is converted to light pulse signal output, and this signal delivers to light through optical fiber transmission line
Pulse detector（5）, through light pulse detector（5）After interior optical electrical conversion and fpga logic judge, while turning through two-way electrical/optical
Change and be connected to master controller through optical fiber transmission line respectively（3）And spare controller（4）Light pulse detection trigger port.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310044438.5A CN103151905B (en) | 2013-02-05 | 2013-02-05 | A kind of many IGCT synchronizable optical pulsed triggering circuits |
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| CN201310044438.5A CN103151905B (en) | 2013-02-05 | 2013-02-05 | A kind of many IGCT synchronizable optical pulsed triggering circuits |
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| CN103151905A CN103151905A (en) | 2013-06-12 |
| CN103151905B true CN103151905B (en) | 2017-10-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105515414A (en) * | 2015-12-08 | 2016-04-20 | 九江赛晶科技股份有限公司 | Trigger pulse detection circuit for thyristor phase-shifted trigger rectifier |
| RU2649079C1 (en) * | 2017-01-16 | 2018-03-29 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Multi-channel fiber optic system for synchronous starting of recorders |
| CN109450422B (en) * | 2018-12-03 | 2024-09-06 | 珠海华网科技有限责任公司 | Drive circuit of self-generated pulse type series light-operated thyristor |
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| CN101232278A (en) * | 2008-02-25 | 2008-07-30 | 中国电力科学研究院 | Gate circuit transistor valve electropositive potential electronic plate |
| CN201114077Y (en) * | 2007-09-26 | 2008-09-10 | 中国电力科学研究院 | Common valve light receiving and distributing device |
| CN101764410A (en) * | 2009-12-11 | 2010-06-30 | 辽宁省电力有限公司鞍山供电公司 | Trigger circuit of water-cooling light-control thyristor of 66 kV |
| CN203151364U (en) * | 2013-02-05 | 2013-08-21 | 九江九整整流器有限公司 | Multi-thyristor synchronous optical pulse triggering circuit |
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| JPS6346673B2 (en) * | 1979-11-15 | 1988-09-16 | Meidensha Electric Mfg Co Ltd | |
| JPH07231660A (en) * | 1994-02-17 | 1995-08-29 | Toshiba Syst Technol Kk | Thyristor converter |
| CN201114077Y (en) * | 2007-09-26 | 2008-09-10 | 中国电力科学研究院 | Common valve light receiving and distributing device |
| CN101232278A (en) * | 2008-02-25 | 2008-07-30 | 中国电力科学研究院 | Gate circuit transistor valve electropositive potential electronic plate |
| CN101764410A (en) * | 2009-12-11 | 2010-06-30 | 辽宁省电力有限公司鞍山供电公司 | Trigger circuit of water-cooling light-control thyristor of 66 kV |
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Address after: 332000 No. 40, Binhu Road, Jiangxi, Jiujiang Applicant after: JIUJIANG SAIJING TECHNOLOGY CO., LTD. Address before: 332000 No. 40, Binhu Road, Jiangxi, Jiujiang Applicant before: Jiujiang Jiuzheng Rectifier Co., Ltd. |
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