CN105471232B - The control method that converter valve electricity triggering IGCT is exchanged with valve base electronic device information - Google Patents
The control method that converter valve electricity triggering IGCT is exchanged with valve base electronic device information Download PDFInfo
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- CN105471232B CN105471232B CN201510816782.0A CN201510816782A CN105471232B CN 105471232 B CN105471232 B CN 105471232B CN 201510816782 A CN201510816782 A CN 201510816782A CN 105471232 B CN105471232 B CN 105471232B
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- igct
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
Abstract
The invention provides the control method that a kind of converter valve electricity triggering IGCT is exchanged with valve base electronic device information, it comprises the following steps：Step 1, judgement electricity triggering IGCT running situation；Step 2, it is in without the commutation operation phase when electricity triggering IGCT, the voltage between TE plates monitoring electricity triggering IGCT anode and negative electrode two ends, and is operated according to magnitude of voltage executions between electricity triggering IGCT anode and negative electrode two ends is corresponding；Step 3, when electricity triggering IGCT be in the commutation operation phase, if valve base electronic device receives the pole control pulse that pole control system is sent, then valve base electronic device sends the valve control pulse that a pulse width is 3 μ s to TE plates, TE plates monitor the voltage between electricity triggering IGCT anode and negative electrode two ends simultaneously, and are operated according to the magnitude of voltage execution between electricity triggering IGCT anode and negative electrode two ends is corresponding.The present invention coordinates control performance very well, can fit various voltage class DC transmission system converter valves.
Description
Technical field
The present invention relates to power system converter valve electricity triggering IGCT technical field, and in particular to a kind of D.C. high voltage transmission
System with converter valve electricity triggering IGCT be in commutation run and without commutation run two stages in valve base electronic device information
The control method of exchange.
Background technology
HVDC transmission system converter valve thyristor has electricity triggering and light to trigger two kinds, wherein electricity triggering IGCT is straight
Flow extensive use in power transmission engineering converter valve.Electricity triggering IGCT be broadly divided into converter valve actual motion no commutation operation and
Commutation runs two kinds of situations.Wherein, commutation operation is divided into triggering preparation, locking, reverse recovery and state-detection etc. four again
The individual stage.Information is exchanged between VBE (valve base electronics valve base electronic devices) devices and electricity triggering IGCT
Five pulsed operation methods are generally used, to distinguish the relevant information that commutation runs four-stage.If VBE devices use this with TE plates
Information exchange system communication is planted, light expelling plate in VBE devices is easily caused and generates heat seriously and locking direct current, electricity is also resulted in addition
Triggering IGCT cannot be distinguished from IGCT in stages such as malleation, negative pressure and overvoltages without the commutation operation phase, especially work as TE
Plate is under high filthy and high humidity environment after abnormal IGCT, and the overvoltage protection of VBE device None- identified TE plates feedback is moved
Make information, the fault diagnosis to converter valve brings difficulty, therefore, it is necessary to set up a kind of converter valve electricity triggering IGCT and valve base
The control method that electronic device information is exchanged.
The content of the invention
Not enough for more than, it is an object of the invention to provide a kind of high voltage direct current transmission converter valve electricity triggering IGCT and valve
The control method that base electronic device information is exchanged, one block of IGCT electricity is designed between valve base electronic device and electricity triggering IGCT
Daughter board (TE plates), reaches that electricity triggering IGCT carries out seamless information with valve base electronic device and exchanged, sends trigger pulse, conducting is brilliant
Brake tube, while different by the width of TE plate feedback pulses, difference electricity triggering IGCT is in malleation, negative pressure, overvoltage and height
Each stage such as voltage change ratio.
To realize object above, this invention takes technical scheme be：
The control method that a kind of converter valve electricity triggering IGCT is exchanged with valve base electronic device information, electricity trigger IGCT and
Connected between valve base electronic device by a TE plates, the control method comprises the following steps：
Step 1, judge electricity triggering IGCT running situation, if electricity triggering IGCT be in without the commutation operation phase,
Step 2 is performed, if electricity triggering IGCT is in the commutation operation phase, step 3 is performed；
Step 2, it is in without the commutation operation phase when electricity triggering IGCT, TE plates monitoring electricity triggering IGCT anode and negative electrode
Voltage between two ends, and one of scenario described below is performed according to the magnitude of voltage between electricity triggering IGCT anode and negative electrode two ends
Operation：
If the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 80V and less than 7500V, TE plates are to valve base
Electronic equipment feeds back the first pulse that a pulse width is 8 μ s；
If the voltage between electricity triggering IGCT anode and negative electrode two ends is less than -150V, TE plates are to valve base electronic device
The second pulse that one pulse width of feedback is 3 μ s；
If the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 7500V, TE plates trigger brilliant lock to electricity
The gate pole of pipe sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates feed back a pulse to valve base electronic device
Width is 15 μ s the 3rd pulse；
Touched if the voltage change ratio between electricity triggering IGCT anode and negative electrode two ends is more than 70V/ μ s, TE plates to electricity
The gate pole of rutilated quartz brake tube sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates feed back one to valve base electronic device
Individual pulse width is 10 μ s the 4th pulse；
Step 3, when electricity triggering IGCT be in the commutation operation phase, if valve base electronic device receives pole control system and sent
Pole control pulse, then valve base electronic device sends the valve control pulse that pulse width is 3 μ s to TE plates, while TE plates monitoring electricity
The voltage between IGCT anode and negative electrode two ends is triggered, and according to the voltage between electricity triggering IGCT anode and negative electrode two ends
Value performs the operation of one of scenario described below：
If the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 80V, and less than 7500V, then TE plates to
The gate pole of electricity triggering IGCT sends the trigger pulse that IGCT is triggered for electric conduction；
If electricity triggering IGCT is not turned on, when the voltage between electricity triggering IGCT anode and negative electrode two ends is more than
After 7500V, then the gate pole that TE plates trigger IGCT to electricity sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates
The 5th pulse that a pulse width is 15 μ s is fed back to valve base electronic device；
If the voltage between electricity triggering IGCT anode and negative electrode two ends is less than -150V, TE plates are to valve base electronic device
The 6th pulse that one pulse width of feedback is 3 μ s；
Touched if the voltage change ratio between electricity triggering IGCT anode and negative electrode two ends is more than 70V/ μ s, TE plates to electricity
The gate pole of rutilated quartz brake tube sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates feed back one to valve base electronic device
Individual pulse width is 10 μ s the 7th pulse.
The control method that IGCT is exchanged with valve base electronic device information is triggered the present invention relates to a kind of converter valve electricity, mainly
The control method that electricity triggering IGCT is exchanged with valve base electronic device information is proposed, no matter electricity triggering IGCT is run in commutation
Or without commutation running situation, when electricity triggering IGCT is in each stage such as malleation, negative pressure, overvoltage and high-voltage variable rate
When, TE plates feed back the pulse of different pulse widths to VBE devices, send solid to electricity triggering gate circuit transistor gate if condition possesses
Determine the trigger pulse of pulsewidth, electric conduction triggering IGCT, control method coordination control performance is very good, can fit various voltages etc.
Level uses DC transmission system converter valve, the application value with very big converter valve engineering.
Brief description of the drawings
Fig. 1 is the flow for the control method that converter valve of the present invention electricity triggering IGCT is exchanged with valve base electronic device information
Figure.
Embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
Embodiment
When converter valve be in without commutation operation during, TE plates according to electricity triggering IGCT be in malleation, negative pressure, overvoltage and
Each stage such as high-voltage variable rate, to VBE devices feed back different in width pulse, if electricity triggering IGCT be in overvoltage and
Two stages of high-voltage variable rate, then the trigger pulse of fixed pulse width is sent to electricity triggering gate circuit transistor gate, electric conduction triggering is brilliant
Brake tube；During converter valve is in commutation operation, TE plates are in malleation, negative pressure, overvoltage and high electricity according to electricity triggering IGCT
In each stage such as buckling rate, the pulse of different in width is fed back to VBE devices, if electricity triggering IGCT is in malleation (simultaneously
VBE devices to TE plates send a valve control pulse), overvoltage and high-voltage variable rate three phases, then give electricity triggering thyristor gate
Pole sends the trigger pulse of fixed pulse width, electric conduction triggering IGCT.
It refer to shown in Fig. 1, the control method that a kind of converter valve electricity triggering IGCT is exchanged with valve base electronic device information,
Connected between electricity triggering IGCT and valve base electronic device by a TE plates, the control method comprises the following steps：
Step 1, judge electricity triggering IGCT running situation, if electricity triggering IGCT be in without the commutation operation phase,
Step 2 is performed, if electricity triggering IGCT is in the commutation operation phase, step 3 is performed.
Step 2, it is in without the commutation operation phase when electricity triggering IGCT, TE plates monitoring electricity triggering IGCT anode and negative electrode
Voltage between two ends, and one of scenario described below is performed according to the magnitude of voltage between electricity triggering IGCT anode and negative electrode two ends
Operation：
If the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 80V and less than 7500V, correspondence converter valve
Electricity triggering IGCT is in the stage of malleation during run without commutation, and it is wide that TE plates feed back a pulse to valve base electronic device
Spend for 8 μ s the first pulse；
If the voltage between electric triggering IGCT anode and negative electrode two ends is less than -150V, correspondence converter valve is in nothing and changed
Electricity triggering IGCT is in the stage of negative pressure during mutually running, and it is 3 μ s that TE plates feed back a pulse width to valve base electronic device
The second pulse；
If the voltage between electric triggering IGCT anode and negative electrode two ends is more than 7500V, correspondence converter valve is in nothing and changed
Electricity triggering IGCT is in the stage of overvoltage during mutually running, then the gate pole that TE plates trigger IGCT to electricity is sent for electric conduction
The trigger pulse of IGCT is triggered, while TE plates feed back the 3rd pulse that a pulse width is 15 μ s to valve base electronic device；
If the voltage change ratio between electricity triggering IGCT anode and negative electrode two ends is more than at 70V/ μ s, correspondence converter valve
Electricity triggering IGCT is in the stage of high-voltage variable rate during being run without commutation, then TE plates trigger the gate pole of IGCT to electricity
The trigger pulse that IGCT is triggered for electric conduction is sent, while it is 10 that TE plates feed back a pulse width to valve base electronic device
μ s the 4th pulse.
Step 3, it is in commutation operation phase, TE plates monitoring electricity triggering IGCT anode and negative electrode two when electricity triggering IGCT
Voltage between end, and according to the behaviour of one of the magnitude of voltage execution scenario described below between electricity triggering IGCT anode and negative electrode two ends
Make：
If valve base electronic device receives the pole control pulse that pole control system is sent, valve base electronic device sends one to TE plates
Individual pulse width is 3 μ s valve control pulse, while the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 80V and small
In 7500V, correspondence converter valve is in the stage that electricity triggering IGCT during commutation is run is in malleation, then TE plates are brilliant to electricity triggering
The gate pole of brake tube sends the trigger pulse that IGCT is triggered for electric conduction；
If electricity triggering IGCT is not turned on, when the voltage between electricity triggering IGCT anode and negative electrode two ends is more than
After 7500V, correspondence converter valve is in the stage that electricity triggering IGCT during commutation is run is in overvoltage, then TE plates are brilliant to electricity triggering
The gate pole of brake tube sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates feed back an arteries and veins to valve base electronic device
Rush the 5th pulse that width is 15 μ s；
If the voltage between electricity triggering IGCT anode and negative electrode two ends is less than -150V, correspondence converter valve is in commutation
Electricity triggering IGCT is in the stage of negative pressure during operation, and it is 3 μ s' that TE plates feed back a pulse width to valve base electronic device
6th pulse；
If the voltage change ratio between electricity triggering IGCT anode and negative electrode two ends is more than at 70V/ μ s, correspondence converter valve
Electricity triggering IGCT is in the stage of high-voltage variable rate during commutation is run, then the gate pole that TE plates trigger IGCT to electricity is sent out
The trigger pulse that IGCT is triggered for electric conduction is sent, while it is 10 μ s that TE plates feed back a pulse width to valve base electronic device
The 7th pulse.
Above-described embodiment is simply to illustrate that the technical concepts and features of the present invention, the purpose is to be to allow in the art
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent change or modification made according to the essence of present invention, should all covers within the scope of the present invention.
Claims (1)
1. the control method that a kind of converter valve electricity triggering IGCT is exchanged with valve base electronic device information, it is characterised in that electricity is touched
Connected between rutilated quartz brake tube and valve base electronic device by a TE plates, the control method comprises the following steps：
Step 1, judgement electricity triggering IGCT running situation, if electricity triggering IGCT is performed in without the commutation operation phase
Step 2, if electricity triggering IGCT is in the commutation operation phase, step 3 is performed；
Step 2, it is in without the commutation operation phase when electricity triggering IGCT, TE plates monitoring electricity triggering IGCT anode and negative electrode two ends
Between voltage, and perform according to the magnitude of voltage between electricity triggering IGCT anode and negative electrode two ends the behaviour of one of scenario described below
Make：
If the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 80V and less than 7500V, TE plates are to valve-based electronics
Equipment feeds back the first pulse that a pulse width is 8 μ s；
If the voltage between electricity triggering IGCT anode and negative electrode two ends is less than -150V, TE plates feed back to valve base electronic device
The second pulse that one pulse width is 3 μ s；
If the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 7500V, TE plates trigger IGCT to electricity
Gate pole sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates feed back a pulse width to valve base electronic device
For 15 μ s the 3rd pulse；
If it is brilliant to electricity triggering that the voltage change ratio between electricity triggering IGCT anode and negative electrode two ends is more than 70V/ μ s, TE plates
The gate pole of brake tube sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates feed back an arteries and veins to valve base electronic device
Rush the 4th pulse that width is 10 μ s；
Step 3, when electricity triggering IGCT be in the commutation operation phase, if valve base electronic device receives the pole that pole control system is sent
Pulse is controlled, then valve base electronic device sends the valve control pulse that a pulse width is 3 μ s to TE plates, while the monitoring electricity triggering of TE plates
Voltage between IGCT anode and negative electrode two ends, and held according to the magnitude of voltage between electricity triggering IGCT anode and negative electrode two ends
The operation of one of row scenario described below：
If the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 80V, and is less than 7500V, then TE plates are touched to electricity
The gate pole of rutilated quartz brake tube sends the trigger pulse that IGCT is triggered for electric conduction；
If electricity triggering IGCT is not turned on, when the voltage between electricity triggering IGCT anode and negative electrode two ends is more than 7500V
Afterwards, then the gate pole that TE plates trigger IGCT to electricity sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates are to valve
Base electronic equipment feeds back the 5th pulse that a pulse width is 15 μ s；
If the voltage between electricity triggering IGCT anode and negative electrode two ends is less than -150V, TE plates feed back to valve base electronic device
The 6th pulse that one pulse width is 3 μ s；
If it is brilliant to electricity triggering that the voltage change ratio between electricity triggering IGCT anode and negative electrode two ends is more than 70V/ μ s, TE plates
The gate pole of brake tube sends the trigger pulse that IGCT is triggered for electric conduction, while TE plates feed back an arteries and veins to valve base electronic device
Rush the 7th pulse that width is 10 μ s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510816782.0A CN105471232B (en) | 2015-11-20 | 2015-11-20 | The control method that converter valve electricity triggering IGCT is exchanged with valve base electronic device information |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510816782.0A CN105471232B (en) | 2015-11-20 | 2015-11-20 | The control method that converter valve electricity triggering IGCT is exchanged with valve base electronic device information |
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| CN105471232A CN105471232A (en) | 2016-04-06 |
| CN105471232B true CN105471232B (en) | 2017-11-07 |
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| CN109239564B (en) * | 2017-07-10 | 2021-02-26 | 南京南瑞继保电气有限公司 | Thyristor test system based on cooperation of software logic functions |
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| JPS5911772A (en) * | 1982-07-12 | 1984-01-21 | Kansai Electric Power Co Inc:The | Overvoltage protecting device of optically firing thyristor |
| CN101483340A (en) * | 2008-12-31 | 2009-07-15 | 中国电力科学研究院 | Thyristor electronic board for failure current limiter |
| CN102035189B (en) * | 2010-10-12 | 2014-08-27 | 中国电力科学研究院 | Novel monitoring and protecting system for test thyristor of converter valve module |
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