CN1688088A - Electronic trigger system of controllable series compensing thyristor - Google Patents
Electronic trigger system of controllable series compensing thyristor Download PDFInfo
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Abstract
A thyristor controllable serial compensation electronic trigger system is composed of a voltage current mixed collection and supply conversion loop, a supply monitor loop, a voltage detection loop, a logic loop, a trigger loop, a back-up trigger loop, a light receiving loop and a light emit loop. The voltage and current mixed collection and supply conversion loop obtains the supply necessary for the system work from a primary device, the logic loop coordinates work of all parts to encode and decode signals to generated trigger pulse and state information of the thyritor, the back-up trigger loop triggers the valve automatically when over-high voltage appears at both ends of the thyristor valve to avoid being broken through by the voltage.
Description
Technical field the present invention relates to a kind of high power semiconductor component, and especially a kind of controllable series compensation thyristor electronics triggering system is applied in the middle of electrical network and the electric power system.
Background technology is present, and along with the maturation of high-power electric and electronic technology and the needs of power system development, increasing power electronic equipment has been applied to electric power system.In recent years, because the difficulty in the needs of long distance, large capacity transmission circuit safety in operation and newly-built transmission of electricity corridor becomes big, flexible AC transmission technology (FACTs, Flexible Alternate Current Transmissions) is more and more used.Wherein, most widely used at present, mature technique is controllable series compensation technology (TCSC, ThyristorControlled Series Compensation).The electronics triggering system (TETS) of thyristor valve is the core technology of controllable series compensation technology, and the quality of this technology has directly determined the quality of controllable series compensation technology.
Controllable series compensation thyristor valve generally all is positioned at high potential, and therefore the insulation against ground electric pressure adopts conventional control method can not meet the demands all at 220kV or 500kV.Compare with traditional controlling object, the major technology difficult point is as follows: 1), different with the system that is in ground because thyristor valve electronics triggering system is positioned at high potential, and the energy problem that must solve thyristor valve electronics triggering system; 2) thyristor valve electronics triggering system is positioned at hot side, its electromagnetic environment of living in is more abominable, big electric current, the high field intensity of transmission line can cause bigger electromagnetic interference to the electronics triggering system on the one hand, on the other hand, thyristor valve high-speed switch process also can produce a large amount of strong electromagnetic, therefore must solve the Anti-interference Design problem of thyristor valve electronics triggering system; 3) the communication problem between thyristor valve electronics triggering system and ground installation; 4) thyristor valve trigger and the control strategy that detects in real time.These technological difficulties have determined the exploitation of thyristor valve electronics triggering system to have very large technical difficulty.
Summary of the invention is in order to solve the problems of the technologies described above, and purpose of the present invention realizes a kind of controllable series compensation thyristor electronics triggering system (TETS) exactly, and it should possess following function is arranged: 1) the energy function is got in voltage, the mixing of electric current high potential; 2) thyristor valve trigger function; 3) thyristor valve measuring ability; 4) photoelectricity of signal, electric light translation function; 5) thyristor valve reserve triggers function; 6) thyristor valve electronics triggering system power monitoring function.By the combination of these functions, thyristor valve electronics triggering system can well realize triggering and the detection to thyristor valve.
The technical solution adopted for the present invention to solve the technical problems is: controllable series compensation thyristor valve electronics triggering system (TETS) mainly gets energy by the electric current and voltage mixing and power source conversion loop, power monitor circuit, voltage detecting loop, logical circuit, triggering loop, reserve triggering loop, light-receiving loop and light launching circuit eight parts constitute.
The light-receiving loop will be converted to the signal of telecommunication from the light signal of optical fiber, and with signal of telecommunication input logic loop; Voltage is got energy and the power source conversion loop gets power supply from the primary equipment side-draw that is positioned at high potential, exports plurality of voltages to power monitor circuit, and to light-receiving loop, light launching circuit, logical circuit and triggering output voltage loop; Power monitor circuit is with the power state information input logic loop of whole system; The instantaneous voltage at thyristor two ends is detected in the voltage detecting loop, exports detection signal to logical circuit, for triggering, status monitoring and the overvoltage protection of thyristor provides threshold voltage; Logical circuit carries out Code And Decode to control command, generates the trigger impulse of thyristor and the state information of thyristor according to trigger command, and exports trigger impulse to gate circuit transistor gate through triggering the loop, also to light launching circuit output light emission signal; Be connected with light path device by optical fiber between light launching circuit and the light-receiving loop; Reserve triggers the voltage that the loop monitors the thyristor two ends, exports trigger impulse to gate circuit transistor gate.
Wherein, electric current and voltage mix get can and power source conversion loop, logical circuit and reserve to trigger the loop be core technology of the present invention.Energy is got in the electric current and voltage mixing and power source conversion loop major function is to get the required power supply of system works from the primary equipment side-draw; The logical circuit major function is to coordinate the work of each several part, and signal is carried out Code And Decode, generates the trigger impulse of thyristor and the state information of thyristor; It is when too high voltage occurring at the thyristor valve two ends, to trigger thyristor valve automatically that reserve triggers the loop major function, avoids thyristor valve by too high voltage breakdown.
Controllable series compensation thyristor valve electronics triggering system (TETS) is not seen identical technology at home, outward as yet.At present, multiple thyristor triggering system is arranged on the market, but they and technical scheme of the present invention all there is bigger difference, mainly show the following aspects at home and abroad, 1) electric pressure difference, technical scheme of the present invention are mainly used in the above electric pressure of 220kV; 2) get energy mode difference, technical scheme of the present invention adopts electric current and voltage to mix and gets the energy mode; 3) interference protection measure difference, technical scheme of the present invention has adopted multinomial interference protection measure.
Owing to adopted above-mentioned technical scheme, therefore technical scheme of the present invention has possessed following beneficial effect: 1, realize the triggering and the detection of thyristor valve with light signal; 2, get energy in hot side realization voltage, electric current mixing, improved the fail safe and the reliability of system; 3, adopt low power consumption design method, reduced the power requirement of mixing being got the energy loop as far as possible; 4, this system has comprised the reserve triggering function of thyristor valve, has avoided the damage of thyristor valve voltage breakdown; 5, circuit realizes that simply antijamming capability is strong; 6, low, the device of cost is easy to choose.
Controllable series compensation thyristor valve electronics triggering system of the present invention (TETS) is operated on the electric pressure of 220kV or 500kV, has reliable operation, stability is high, antijamming capability is strong advantage.The present invention has well solved the bottleneck problem that flexible AC transmission technology (FACTs, Flexible Alternate CurrentTransmissions) is used in electric power system, have great importance.
Description of drawings
Fig. 1 is the circuit block diagram of the total structure of controllable series compensation thyristor valve electronics triggering system of the present invention;
Fig. 2 (a) is that voltage, the electric current among Fig. 1 mixes the circuit theory diagrams of getting energy and power source conversion loop;
Fig. 2 (b) is the circuit theory diagrams of the logical circuit among Fig. 1;
Fig. 2 (c) is that the reserve among Fig. 1 triggers the circuit theory diagrams in loop;
Fig. 2 (d) is the circuit theory diagrams in the voltage detecting loop among Fig. 1;
Fig. 2 (e) is the circuit theory diagrams in the light-receiving loop among Fig. 1;
Fig. 2 (f) is the circuit theory diagrams of the power monitor circuit among Fig. 1;
Fig. 2 (g) is the circuit theory diagrams in the triggering loop among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, specifically describe the circuit structure of one embodiment of the present invention.
The physical circuit figure of Fig. 1 to Fig. 2 (g) expression a kind of embodiment of the present invention.
Referring to shown in Figure 1, expression controllable series compensation thyristor valve electronics triggering system (TETS), it mainly gets energy by the electric current and voltage mixing and power source conversion loop, power monitor circuit, voltage detecting loop, logical circuit, triggering loop, reserve triggering loop, light-receiving loop and light launching circuit eight parts constitute.
The light-receiving loop will be converted to the signal of telecommunication from the light signal of optical fiber, and with signal of telecommunication input logic loop; Voltage get can and the power source conversion loop get power supply from the primary equipment side-draw, the voltage of output+10V and+70V is to power monitor circuit, and to light-receiving loop, light launching circuit, logical circuit and triggering loop output+10V voltage; Power monitor circuit is with the power state information input logic loop of whole system; The instantaneous voltage at thyristor two ends is detected in the voltage detecting loop, exports detection signal to logical circuit, for triggering, status monitoring and the overvoltage protection of thyristor provides threshold voltage; Logical circuit carries out Code And Decode to control command, generates the trigger impulse of thyristor and the state information of thyristor according to trigger command, and exports trigger impulse to gate circuit transistor gate through triggering the loop, also to light launching circuit output light emission signal; Be connected with light path device by optical fiber between light launching circuit and the light-receiving loop; Reserve triggers the voltage that the loop monitors the thyristor two ends, exports trigger impulse to gate circuit transistor gate.
Wherein, electric current and voltage mix get can and power source conversion loop, logical circuit and reserve to trigger the loop be core technology of the present invention.Energy is got in the electric current and voltage mixing and power source conversion loop major function is to get the required power supply of system works from the primary equipment side-draw that is positioned at high potential; The logical circuit major function is to coordinate the work of each several part, and signal is carried out Code And Decode, generates the trigger impulse of thyristor and the state information of thyristor; It is when too high voltage occurring at the thyristor valve two ends, to trigger thyristor valve automatically that reserve triggers the loop major function, avoids thyristor valve by too high voltage breakdown.
Shown in Fig. 2 (a), be that voltage, electric current mix the schematic block circuit diagram of getting energy and power source conversion loop.
Get in energy and the power source conversion loop in this electric current and voltage mixing, the two ends of thyristor anode and negative electrode are parallel with gets energy capacitor C 1 and C2, C1 and C2 polyphone.C2 is in parallel with protection diode D2 and protection thyristor Ta, and the gate pole of protection thyristor Ta is connected to resistance R 1 and voltage-stabiliser tube D
ZThe voltage of getting energy capacitor C 2 two ends like this mixes to get with regard to input voltage and input current can coordinate the loop.On the other hand, by get can CT obtains power supply get through the bridge rectifier input current and can protect the loop, mix to get through capacitor C 5 input voltage and input current of parallel connection again and can coordinate the loop.Electric current and voltage mixes to get can coordinate the loop again through the capacitor C 3 of a parallel connection, is connected with filtering and anti-interference loop.The resistance R 2 and the voltage-stabiliser tube D of polyphone
Z1Be connected in parallel on the output in filtering and anti-interference loop, the two ends of R2 link to each other voltage-stabiliser tube D through current-limiting resistance R3 with the anode of pliotron T1 with gate pole
Z1Two ends then link to each other with gate pole with the negative electrode of pliotron T1, the negative electrode of pliotron T1 is connected with capacitor C 4.Like this, just exported at the two ends of capacitor C 4+voltage of 10V.
This partial circuit is mainly finished from primary voltage, electric current and is stolen certain energy, and is converted to the required voltage of TETS.In order to obtain enough energy, require the primary voltage effective value at thyristor two ends to be not less than 80V, the primary current effective value that flows through thyristor is not less than 65A.
Shown in Fig. 2 (b), be the schematic block circuit diagram of logical circuit among Fig. 1.
In this logical circuit, from the signal in light-receiving loop through general monostable trigger D (its concrete model can be selected CD4538 for use), send into general NOR gate OR1, OR2 (its concrete model can be selected CD4001 for use) respectively, send into CPU and two general monostable trigger CD4538 more respectively.General NOR gate OR3 (its concrete model can be selected CD4001 for use) receives the signal from CPU and power supply monitoring loop respectively, delivers to and triggers the loop.Trigger the signal in loop from reserve and send into CPU.Send into general NAND gate AND5 (its concrete model can be selected CD4023 for use) respectively from the signal in voltage detecting loop, and CPU, be connected with general NAND gate AND1, AND2, AND3 (its concrete model can be selected CD4023 for use) and general not gate NOT (its concrete model can be selected CD40106 for use) respectively again, after general NAND gate AND4 (its concrete model can be selected CD4023 for use) delivers to the light launching circuit.
This part is the core of controllable series compensation thyristor valve electronics triggering system (TETS), is responsible for coordinating the function of each several part, and control command is decoded and the thyristor monitoring information is encoded.In order to reduce the power consumption of TETS as far as possible, this partial circuit adopts low power dissipation design, mainly comprises and selects low-power consumption chip and the design of central processing unit sleep mode etc. for use.
Shown in Fig. 2 (c), be the schematic block circuit diagram that reserve triggers the loop among Fig. 1.
The voltage at the two ends of thyristor is applied on the voltage breakdown element of connecting with resistance R 1, is connected to the gate pole of thyristor again through voltage-stabiliser tube Z1 and diode D2.When thyristor both end voltage during, voltage breakdown element conductive, thereby remove to trigger thyristor by diode D2 and voltage-stabiliser tube Z1 greater than its operating value.The voltage breakdown element inserts the light launching circuit through the resistance R 3 and the diode D3 of series connection, and through parallel resistor R2 and capacitor C 1 ground connection.After the resistance R 3 through the voltage-stabiliser tube Z2 and capacitor C 2 ground connection of parallel connection.
The major function of this partial circuit is the voltage that monitors the thyristor two ends, when magnitude of voltage reaches the protection definite value, generates the thyristor trigger impulse automatically, makes the thyristor conducting.Be mainly used in the protection thyristor, prevent that the thyristor two ends are owing to overtension damages.
Shown in Fig. 2 (d), be the schematic block circuit diagram in voltage detecting loop among Fig. 1.
One side of this partial circuit is in parallel with the both end voltage of thyristor, the CPU in resistance R 1, R2, R3 and diode D (its concrete model can select 4148 for use) access logical circuit.Another branch road is through resistance R 1, and the general not gate U1 of R4 and two serial connections and U2 (its concrete model can select 40106 for use) insert logical circuit.
The major function of this partial circuit is to detect the instantaneous voltage at thyristor two ends, for triggering, status monitoring and the overvoltage protection of thyristor provides threshold voltage.
Shown in Fig. 2 (e), be the schematic block circuit diagram in light-receiving loop among Fig. 1.
Optical receiver is through the optical fiber receiving optical signals, and again through general comparator U1 (its concrete model can be selected LM393 for use) and change-over circuit, the signal of telecommunication that will be got by the light signal conversion is sent into the CPU in the logical circuit.
The major function of this partial circuit is the light signal that receives GCU, and this light signal is converted to the signal of telecommunication.
Shown in Fig. 2 (f), be the schematic block circuit diagram of power monitor circuit among Fig. 1.
From voltage get can and the power source conversion loop+70V and+10V voltage is through general comparator (its concrete model can be selected LM393 for use) and comprise the comparison circuit of voltage-stabiliser tube D1, compares the power status of surveillance with " reference voltage ".Wherein " reference voltage " from other loops, represent the whole system locking or the situation of system power supply when resetting.
The major function of this partial circuit is the power supply status that monitors whole system, and when power supply can not satisfy the system works requirement, the locking or the correlation function that resets were in order to avoid whole system is out of control.
Shown in Fig. 2 (g), be the schematic block circuit diagram that triggers the loop among Fig. 1.
In this circuit, the voltage of+10V is connected with the collector electrode of PNP triode Q2 and the collector electrode of NPN triode Q3 respectively through current-limiting resistance R1 and R2; The base stage of PNP triode Q2 then is connected with the collector electrode of NPN triode Q3; Collector electrode and the base stage of NPN triode Q1 then are connected on respectively on the collector and emitter of PNP triode Q2.Like this, after the voltage-stabiliser tube voltage stabilizing of parallel connection, just can export trigger impulse at NPN triode Q1 emitter to the gate pole of thyristor.
The major function of this partial circuit is the trigger command that receives central control unit, generates the trigger impulse that the thyristor conducting needs.
The represented embodiment of accompanying drawing only is a specific embodiment of the present invention, is not limitation of the present invention.Those of ordinary skill in the art does not break away from essential scope of the present invention, also can make various improvement and alternative.
Claims (8)
1, a kind of controllable series compensation thyristor electronics triggering system is characterized in that: by electric current and voltage mix get can and power source conversion loop, power monitor circuit, voltage detecting loop, logical circuit, triggering loop, reserve trigger loop, light-receiving loop and light launching circuit eight parts and constitute;
The light-receiving loop will be converted to the signal of telecommunication from the light signal of optical fiber, and with signal of telecommunication input logic loop; Voltage is got energy and the power source conversion loop gets power supply from the primary equipment side-draw that is positioned at high potential, exports plurality of voltages to power monitor circuit, and to light-receiving loop, light launching circuit, logical circuit and triggering output voltage loop; Power monitor circuit is with the power state information input logic loop of whole system; The instantaneous voltage at thyristor two ends is detected in the voltage detecting loop, exports detection signal to logical circuit, for triggering, status monitoring and the overvoltage protection of thyristor provides threshold voltage; Logical circuit carries out Code And Decode to control command, generates the trigger impulse of thyristor and the state information of thyristor according to trigger command, and exports trigger impulse to gate circuit transistor gate through triggering the loop, also to light launching circuit output light emission signal; Be connected with light path device by optical fiber between light launching circuit and the light-receiving loop; Reserve triggers the voltage that the loop monitors the thyristor two ends, exports trigger impulse to gate circuit transistor gate.
2, controllable series compensation thyristor electronics triggering system according to claim 1 is characterized in that: mix at this electric current and voltage and get in energy and the power source conversion loop, the two ends of thyristor anode and negative electrode are parallel with gets energy capacitor C 1 and C2, C1 and C2 polyphone; C2 is in parallel with protection diode D2 and protection thyristor Ta, and the gate pole of protection thyristor Ta is connected to resistance R 1 and voltage-stabiliser tube D
ZMake the voltage input voltage and input current of getting energy capacitor C 2 two ends mix to get and to coordinate the loop; On the other hand, by get can CT obtains electric current get through the bridge rectifier input current and can protect the loop, mix to get through capacitor C 5 input voltage and input current of parallel connection again and can coordinate the loop; Electric current and voltage mixes to get can coordinate the loop again through the capacitor C 3 of a parallel connection, is connected with filtering and anti-interference loop; The resistance R 2 and the voltage-stabiliser tube D of polyphone
Z1Be connected in parallel on the output in filtering and anti-interference loop, the two ends of R2 link to each other voltage-stabiliser tube D through current-limiting resistance R3 with the anode of pliotron T1 with gate pole
Z1Two ends then link to each other with gate pole with the negative electrode of pliotron T1, the negative electrode of pliotron T1 is connected with capacitor C 4; Thereby at the two ends of capacitor C 4 output voltage.
3, controllable series compensation thyristor electronics triggering system according to claim 1, it is characterized in that: in this logical circuit, from the signal in light-receiving loop through general monostable trigger D, send into general NOR gate OR1, OR2 respectively, send into CPU and two general monostable trigger CD4538 more respectively; General NOR gate OR3 receives the signal from CPU and power supply monitoring loop respectively, delivers to and triggers the loop; Trigger the signal in loop from reserve and send into CPU; Signal from the voltage detecting loop is sent into general NAND gate AND5 and CPU respectively, is connected with general NAND gate AND1, AND2, AND3 and general not gate NOT respectively, after general NAND gate AND4 delivers to the light launching circuit again; This partial circuit adopts low power dissipation design, selects the design of low-power consumption chip and central processing unit sleep mode for use.
4, controllable series compensation thyristor electronics triggering system according to claim 1 is characterized in that: reserve triggers the voltage that the loop monitors the thyristor two ends, when magnitude of voltage reaches the protection definite value, generates the thyristor trigger impulse automatically, makes the thyristor conducting; Trigger in loop in this reserve, the voltage at the two ends of thyristor is applied on the voltage breakdown element of connecting with resistance R 1, is connected to the gate pole of thyristor again through voltage-stabiliser tube Z1 and diode D2; When thyristor both end voltage during, voltage breakdown element conductive, thereby remove to trigger thyristor by diode D2 and voltage-stabiliser tube Z1 greater than its operating value; The voltage breakdown element inserts the light launching circuit through the resistance R 3 and the diode D3 of series connection, and through parallel resistor R2 and capacitor C 1 ground connection; After the resistance R 3 through the voltage-stabiliser tube Z2 and capacitor C 2 ground connection of parallel connection.
5, controllable series compensation thyristor electronics triggering system according to claim 1 is characterized in that: the instantaneous voltage at thyristor two ends is detected in the voltage detecting loop, for triggering, status monitoring and the overvoltage protection of thyristor provides threshold voltage; One side in this voltage detecting loop is in parallel with the both end voltage of thyristor, the CPU in resistance R 1, R2, R3 and diode D access logical circuit, and another branch road is through resistance R 1, and the general not gate U1 of R4 and two serial connections and U2 insert logical circuit.
6, controllable series compensation thyristor electronics triggering system according to claim 1 is characterized in that: the light-receiving loop receives the light signal of GCU, and this light signal is converted to the signal of telecommunication; In this light-receiving loop, optical receiver is through the optical fiber receiving optical signals, and again through general comparator and change-over circuit, the signal of telecommunication that will be got by the light signal conversion is sent into the CPU in the logical circuit.
7, controllable series compensation thyristor electronics triggering system according to claim 1, it is characterized in that: power monitor circuit monitors the power supply status of whole system, when power supply can not satisfy the system works requirement, the locking or the correlation function that resets were in order to avoid whole system is out of control; In this power monitor circuit monitors, from voltage get can and the voltage in power source conversion loop through general comparator with comprise the comparison circuit of voltage-stabiliser tube D1, the situation of system power supply is compared the power status of surveillance with the whole system locking or when resetting.
8, controllable series compensation thyristor electronics triggering system according to claim 1, it is characterized in that: in this triggering loop, obtained voltage is connected with the collector electrode of PNP triode Q2 and the collector electrode of NPN triode Q3 respectively through current-limiting resistance R1 and R2; The base stage of PNP triode Q2 then is connected with the collector electrode of NPN triode Q3; The collector electrode of NPN triode Q1 and base stage then are connected on the collector and emitter of PNP triode Q2 respectively; Like this, the emitter of NPN triode Q1 just can be to the gate pole output trigger impulse of thyristor after the voltage-stabiliser tube voltage stabilizing of parallel connection.
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| CNB2005100646880A CN100461593C (en) | 2005-04-20 | 2005-04-20 | Electronic trigger system of controllable series compensing thyristor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100438282C (en) * | 2006-03-17 | 2008-11-26 | 中国电力科学研究院 | Crystal brake pipe valve photoelectric contact plate high potentiometer energy feeding device |
| CN102820874A (en) * | 2012-07-30 | 2012-12-12 | 国家电网公司 | Trigger circuit for light controlled thyristor |
| CN101834537B (en) * | 2009-12-11 | 2013-03-13 | 中电普瑞科技有限公司 | High potential electron plate of thyristor valve |
| WO2016124104A1 (en) * | 2015-02-05 | 2016-08-11 | 国家电网公司 | Hybrid trigger circuit suitable for thyristor |
| CN109450228A (en) * | 2018-10-24 | 2019-03-08 | 北京金自天正智能控制股份有限公司 | The automatic electricity getting triggering method of thyristor in a kind of high-voltage high-power frequency transformator |
| CN111193440A (en) * | 2019-10-18 | 2020-05-22 | 杭州西风半导体有限公司 | Self-energy-taking thyristor valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4613932A (en) * | 1985-08-01 | 1986-09-23 | Westinghouse Electric Corp. | Method and circuit for reduction of stress in thyristors operating in the individual emergency firing mode |
| CN1127188C (en) * | 2001-02-16 | 2003-11-05 | 清华大学 | Dynamic analog device of controllable serial capacitors compensation |
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- 2005-04-20 CN CNB2005100646880A patent/CN100461593C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100438282C (en) * | 2006-03-17 | 2008-11-26 | 中国电力科学研究院 | Crystal brake pipe valve photoelectric contact plate high potentiometer energy feeding device |
| CN101834537B (en) * | 2009-12-11 | 2013-03-13 | 中电普瑞科技有限公司 | High potential electron plate of thyristor valve |
| CN102820874A (en) * | 2012-07-30 | 2012-12-12 | 国家电网公司 | Trigger circuit for light controlled thyristor |
| CN102820874B (en) * | 2012-07-30 | 2016-01-20 | 国家电网公司 | A kind of circuits for triggering for photo thyristor |
| WO2016124104A1 (en) * | 2015-02-05 | 2016-08-11 | 国家电网公司 | Hybrid trigger circuit suitable for thyristor |
| CN105991003A (en) * | 2015-02-05 | 2016-10-05 | 国家电网公司 | Hybrid trigger circuit suitable for thyristor |
| CN109450228A (en) * | 2018-10-24 | 2019-03-08 | 北京金自天正智能控制股份有限公司 | The automatic electricity getting triggering method of thyristor in a kind of high-voltage high-power frequency transformator |
| CN111193440A (en) * | 2019-10-18 | 2020-05-22 | 杭州西风半导体有限公司 | Self-energy-taking thyristor valve |
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| CN100461593C (en) | 2009-02-11 |
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