CN105610301A - Thyristor triggering apparatus - Google Patents
Thyristor triggering apparatus Download PDFInfo
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- CN105610301A CN105610301A CN201610116841.8A CN201610116841A CN105610301A CN 105610301 A CN105610301 A CN 105610301A CN 201610116841 A CN201610116841 A CN 201610116841A CN 105610301 A CN105610301 A CN 105610301A
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- thyristor
- electric capacity
- igct
- current limiting
- limiting element
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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
- H02M1/06—Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a thyristor triggering apparatus, belongs to the electricity field, and particularly relates to the thyristor triggering apparatus suitable for being applied to an alternating current power grid. The thyristor triggering apparatus comprises a current-limiting element, a one-way conduction device, a capacitor, a semiconductor switch and a voltage-stabilizing device, wherein the current-limiting element, the one-way conduction device and the capacitor are in series connection to form a series circuit; one end of the series circuit is connected with the first end of the thyristor needing to be driven, while the other end of the series circuit is connected with an another phase of power supply or neutral line relative to the first end; a discharging circuit is formed by the capacitor through the semiconductor switch and the second end and the first end of the thyristor; the capacitor is in parallel connection with the voltage-stabilizing device, or a series circuit, which is formed by series connection between the capacitor and the one-way conduction device, is in parallel connection with the voltage-stabilizing device. The thyristor triggering apparatus provided by the invention has the advantage of high reliability without needing transformer triggering or a high-voltage electronic switch.
Description
Technical field
Thyristor triggering device of the present invention belongs to electricity field, and particularly a kind of IGCT that is suitable for applying in AC network triggersDevice.
Background technology
In AC network, the application of IGCT is more and more extensive at present, as combination switch (adopts IGCT and mechanical switch alsoThe method of operation of connection), its thyristor triggering device adopts transformer isolation to trigger or high-pressure electronic switch triggering, below it existsShortcoming:
1. transformer isolation triggers: IGCT triggering signal is provided by transformer, needs pulse signal generation circuit, transformer to driveMoving circuit, transformer, rectification circuit, exist capacitive load that triggering blind area that pulse duty factor is brought causes to connect to shove large,High frequency pollutes, cost performance is low, large shortcoming takes up room.
2. high-pressure electronic switch triggering: IGCT triggering signal by the major loop of IGCT by resistance, high-pressure electronic switch (asThe contour press polish electric coupler of MOC3083) to the trigger electrode of IGCT, high-pressure electronic switch bears high voltage, and most ofOperating mode needs multiple series connection to use, and has poor reliability, the easy shortcoming that punctures, in addition owing to triggering resistance, the high pressure in loopThere is larger voltage drop in electronic switch, while needing the major loop both end voltage of IGCT higher, could trigger IGCT conducting, existenceThe shortcomings such as capacitive load connection is shoved greatly, the easy damage of IGCT.
Summary of the invention
The object of the invention is to provide for the weak point of existing thyristor triggering device a kind of without transformer, without heightPressure electronic switch, the thyristor triggering device that circuit is simple, cost performance is high, instantaneous trigger electric current is large, reliability is high, energy consumption is low.
Realization the object of the invention is to reach by the following technical programs:
A kind of thyristor triggering device, it comprise a current limiting element, an one way conducting device, an electric capacity, semiconductor switch,One voltage-stabilizing device, described current limiting element, described one way conducting device, described capacitances in series form a series circuit, described series connectionOne end of circuit is connected with the first end of the IGCT of required driving, the other end of described series circuit for with respect to described theAnother phase power supply of one end or the neutral conductor connect, and described electric capacity is by described semiconductor switch, the second end of described IGCT, instituteState first end and form discharge loop, described electric capacity is connected with described one way conducting device with described voltage-stabilizing device parallel connection or described electric capacityThe series circuit forming is in parallel with described voltage-stabilizing device.
A kind of thyristor triggering device, described electric capacity is in parallel by described semiconductor switch and described the second end, described first end.
A kind of thyristor triggering device, is less than the required minimum of the described IGCT conducting of triggering by the electric current of described current limiting element and touchesGenerating stream.
A kind of thyristor triggering device, described voltage-stabilizing device is a Zener diode, described one way conducting device is a diode,Described current limiting element is a resistance.
A kind of thyristor triggering device, described semiconductor switch is that a triode, a photoelectrical coupler or a photoelectrical coupler driveTransistor circuit.
A kind of thyristor triggering device, the discharge loop of described electric capacity second resistance of connecting.
A kind of thyristor triggering device, described IGCT is bidirectional thyristor, described first end is described bidirectional thyristor firstAnode, the trigger electrode that described the second end is described bidirectional thyristor.
A kind of thyristor triggering device, described current limiting element is connected with described one way conducting device, described another phase power supply or described inThe neutral conductor charges to described electric capacity negative sense by described current limiting element, described one way conducting device, the negative sense charging end of described electric capacityBe connected with described trigger electrode by described semiconductor switch, the other end of described electric capacity and the first anode of described bidirectional thyristor connectConnect.
A kind of thyristor triggering device, the negative sense charging end of described electric capacity and the anodic bonding of described one way conducting device, described electricityThe other end holding is connected with one end of described current limiting element, and the other end of described current limiting element is used for and described another phase power supply or instituteState the neutral conductor connect, the negative electrode of described one way conducting device is connected with the first anode of described bidirectional thyristor, described electric capacity bearBe connected the series circuit that described electric capacity and described one way conducting device are in series and describedly partly lead with described trigger electrode to charging endBody switch in parallel.
A kind of thyristor triggering device, the described first anode is power input, the second plate of described bidirectional thyristor is loadEnd.
A kind of thyristor triggering device, described IGCT is unidirectional thyristor, the negative electrode that described first end is described unidirectional thyristor,The trigger electrode that described the second end is described unidirectional thyristor.
A kind of thyristor triggering device, described another phase power supply or the described neutral conductor are by described current limiting element, described one-way conductionDevice is to described electric capacity positive charge, and the positive charge end of described electric capacity is connected with described trigger electrode by described semiconductor switch,The other end of described electric capacity is connected with the negative electrode of described unidirectional thyristor.
A kind of thyristor triggering device, the positive charge end of described electric capacity is connected with the negative electrode of described one way conducting device, described electricityThe other end holding is connected with one end of described current limiting element, and the other end of described current limiting element is used for and described another phase power supply or instituteState the neutral conductor and connect, the anode of described one way conducting device is connected with the negative electrode of described unidirectional thyristor, and the forward of described electric capacity fillsElectricity end is connected with described trigger electrode, and series circuit and described semiconductor that described electric capacity and described one way conducting device are in series are openedClose in parallel.
A kind of thyristor triggering device, the negative electrode of described unidirectional thyristor is power input, the anode of described unidirectional thyristor isLoad end.
A kind of thyristor triggering device, described IGCT is in parallel with a mechanical switch, and described IGCT goes out for described mechanical switchArc or no-flashy-flow are connected.
A kind of thyristor triggering device, it triggers the described IGCT of combination switch.
The present invention is reasonable in design, and it utilizes electric network source to pass through current limiting element, one way conducting device to capacitor charging energy storage, by surelyVoltage device is carried out pressure limiting to capacitor charging voltage, and the electric charge of electric capacity triggers IGCT conducting by semiconductor switch, has without changeDepressor isolation triggers, without high-pressure electronic switch, circuit is simple, cost performance is high, reliability is high advantage.
Brief description of the drawings
Fig. 1 is embodiment mono-circuit theory diagrams of thyristor triggering device of the present invention.
Fig. 2 is embodiment bis-circuit theory diagrams of thyristor triggering device of the present invention.
Fig. 3 is the embodiment three-circuit schematic diagram of thyristor triggering device of the present invention.
Fig. 4 is embodiment tetra-circuit theory diagrams of thyristor triggering device of the present invention.
Fig. 5 is the circuit diagram of a photoelectrical coupler driving transistors circuit.
Detailed description of the invention
The embodiment mono-of thyristor triggering device of the present invention, as shown in Figure 1:
A kind of thyristor triggering device, it comprise current limiting element R1 (resistance), one way conducting device D1 (diode),Capacitor C 1, semiconductor switch OPT1 (photoelectrical coupler), voltage-stabilizing device Z1 (Zener diode), the second resistance R 2,Current limiting element R1, one way conducting device D1, capacitor C 1 series circuit that is in series, one end J1 of this series circuit and required touchingSend out bidirectional thyristor TR1 the first anode (first end of IGCT) connect, the other end J3 of this series circuit forProperty line connect (also can for being connected with another phase power supply of the first anode with respect to bidirectional thyristor TR1), current limiting elementR1 is connected with one way conducting device D1, and J3 end power supply fills capacitor C 1 negative sense by current limiting element R1, one way conducting device D1Electricity, the negative sense charging end of capacitor C 1 connects by the trigger electrode of the second resistance R 2, semiconductor switch OPT1 and bidirectional thyristor TR1Connect, the other end of capacitor C 1 is connected with the first anode of bidirectional thyristor TR1, and capacitor C 1 is by the second resistance R 2, semiconductorThe trigger electrode (the second end of IGCT) of switch OPT1, bidirectional thyristor TR1, the first anode of bidirectional thyristor TR1 formDischarge loop, capacitor C 1 (can be also capacitor C 1 and connecting that one way conducting device D1 is in series with voltage-stabilizing device Z1 parallel connectionCircuit is in parallel with voltage-stabilizing device Z1, and one way conducting device D1 requirement of withstand voltage reduces like this, but the power consumption of current limiting element R1 wants large oneDoubly), capacitor C 1 is passed through trigger electrode, the two-way brilliant lock of the second resistance R 2, semiconductor switch OPT1 and bidirectional thyristor TR1The first anode parallel connection of pipe TR1. When single-phase combination switch uses, the first anode of bidirectional thyristor TR1 is power input,The second plate of bidirectional thyristor TR1 is load end.
Note: the second resistance R 2 of the discharge loop series connection of capacitor C 1, for reducing discharge current, is one at semiconductor switch OPT1When the trigger electrode band current-limiting resistance of constant-current circuit or bidirectional thyristor TR1, can omit.
Operation principle: taking the IGCT that triggers combination switch as example, bidirectional thyristor TR1 is in parallel with mechanical switch K1, to two-wayIGCT TR1 is described for the course of work of no-flashy-flow connection, mechanical switch K1 arc extinguishing, bidirectional thyristor TR1 the first sunThe utmost point powers on, and J1 end exists potential difference to J3 end, and charging current is passed through current limiting element R1, one way conducting device D1 to capacitor C 1Charging. In connection process, between the first anode of bidirectional thyristor TR1, second plate, voltage is 1 o'clock, and semiconductor is providedThe pulse conducting control signal of switch OPT1 a few tens of milliseconds, capacitor C 1 is by the first anode, the two-way crystalline substance of bidirectional thyristor TR1The trigger electrode of brake tube TR1, semiconductor switch OPT1, the second resistance R 2 electric discharges trigger bidirectional thyristor TR1 and reach no swell conductanceLogical object, then mechanical switch K1 closure, after mechanical switch K1 closure completes, bidirectional thyristor TR1 cut-off; DisjunctionCheng Zhong, provides the pulse conducting control signal of semiconductor switch OPT1 a few tens of milliseconds, and capacitor C 1 is by bidirectional thyristor TR1'sThe trigger electrode of the first anode, bidirectional thyristor TR1, semiconductor switch OPT1, the second resistance R 2 current limliting electric discharges trigger two-way crystalline substanceBrake tube TR1 conducting, after mechanical switch K1 disjunction completes, semiconductor switch OPT1 cut-off, bidirectional thyristor TR1 cut-off.
The embodiment bis-of thyristor triggering device of the present invention, as shown in Figure 2:
A kind of thyristor triggering device, it comprise current limiting element R1 (resistance), one way conducting device D1 (diode),Capacitor C 1, semiconductor switch OPT1 (photoelectrical coupler), voltage-stabilizing device Z1 (Zener diode), the second resistance R 2,Current limiting element R1, one way conducting device D1, capacitor C 1 series circuit that is in series, one end J1 of this series circuit and required touchingSend out bidirectional thyristor TR1 the first anode (first end of IGCT) connect, the other end J3 of this series circuit forProperty line connect (also can for being connected with another phase power supply of the first anode with respect to bidirectional thyristor TR1), capacitor C 1The anodic bonding of negative sense charging end and one way conducting device D1, the other end of capacitor C 1 is connected with one end of current limiting element R1, limitThe other end of fluid element R1 be connected with the neutral conductor (also can with another phase power supply of the first anode with respect to bidirectional thyristor TR1Connect), the negative electrode of one way conducting device D1 is connected with the first anode of bidirectional thyristor TR1, the negative sense charging end of capacitor C 1Be connected the string that capacitor C 1 and one way conducting device D1 are in series with the trigger electrode of bidirectional thyristor TR1 by the second resistance R 2Connection circuit is in parallel with the output of semiconductor switch OPT1, and capacitor C 1 is passed through semiconductor switch OPT1, bidirectional thyristor TR1The trigger electrode (the second end of IGCT) of the first anode, bidirectional thyristor TR1, the second resistance R 2 form discharge loop, electric capacityThe series circuit that C1 is in series with one way conducting device D1 is in parallel with voltage-stabilizing device Z1, and capacitor C 1 is passed through semiconductor switchThe trigger electrode of OPT1, the second resistance R 2 and bidirectional thyristor TR1, the first anode of bidirectional thyristor TR1 are in parallel. Single-phase multipleWhile use in combination switch, the first anode of bidirectional thyristor TR1 is power input, and the second plate of bidirectional thyristor TR1 isLoad end.
Note: the second resistance R 2 of the discharge loop series connection of capacitor C 1, for reducing discharge current, is one at semiconductor switch OPT1When constant-current circuit or bidirectional thyristor TR1 trigger electrode band current-limiting resistance, can omit.
Operation principle: taking the IGCT that triggers combination switch as example, bidirectional thyristor TR1 is in parallel with mechanical switch K1, to two-wayIGCT TR1 for no-flashy-flow connect, the course of work of mechanical switch K1 disjunction arc extinguishing is described, bidirectional thyristor TR1 theOne anode powers on, and J1 end exists potential difference to J3 end, and charging current is passed through current limiting element R1, one way conducting device D1 to electric capacityC1 charging. In connection process, between the first anode of bidirectional thyristor TR1, second plate, voltage is 1 o'clock, provides partly and leadsBody switch OPT1 mono-a few tens of milliseconds conducting control signal, capacitor C 1 is by the of semiconductor switch OPT1, bidirectional thyristor TR1The trigger electrode of one anode, bidirectional thyristor TR1, the second resistance R 2 electric discharge triggering bidirectional thyristor TR1 reach no-flashy-flow conductingObject, then mechanical switch K1 closure, after mechanical switch K1 closure completes, bidirectional thyristor TR1 cut-off; In breaking course,Semiconductor switch OPT1 mono-a few tens of milliseconds conducting control signal is provided, and capacitor C 1 is by semiconductor switch OPT1, bidirectional thyristorThe first anode of TR1, the trigger electrode of bidirectional thyristor TR1, the second resistance R 2 electric discharges trigger bidirectional thyristor TR1 conducting, machineAfter 1 disjunction of tool K switch completes, semiconductor switch OPT1 cut-off, bidirectional thyristor TR1 cut-off.
The embodiment tri-of thyristor triggering device of the present invention, as shown in Figure 3:
A kind of thyristor triggering device, it comprise current limiting element R1 (resistance), one way conducting device D1 (diode),Capacitor C 1, semiconductor switch OPT1 (photoelectrical coupler), voltage-stabilizing device Z1 (Zener diode), the second resistance R 2,Current limiting element R1, one way conducting device D1, capacitor C 1 series circuit that is in series, one end J1 of this series circuit and required touchingThe negative electrode (first end of IGCT) of the unidirectional thyristor SCR1 sending out connects, and the other end J3 of this series circuit is used for and neutralityLine connects (also can for being connected with another phase power supply of the negative electrode with respect to unidirectional thyristor SCR1), the neutral conductor that J3 holdsBy current limiting element R1, one way conducting device D1, to capacitor C 1 positive charge, the positive charge end of capacitor C 1 is by the second electricityResistance R2, semiconductor switch OPT1 are connected with the trigger electrode of unidirectional thyristor SCR1, the other end of capacitor C 1 and unidirectional thyristorThe negative electrode of SCR1 connects, and capacitor C 1 is by the trigger electrode of the second resistance R 2, semiconductor switch OPT1, unidirectional thyristor SCR1The negative electrode of (the second end of IGCT), unidirectional thyristor SCR1 forms discharge loop, capacitor C 1 and one way conducting device D1 stringJoining the series circuit forming in parallel with voltage-stabilizing device Z1 (can be also that capacitor C 1 is directly in parallel with voltage-stabilizing device Z1, unidirectional like thisConduction device D1 requirement of withstand voltage improves, but the power consumption of current limiting element R1 can reduce by half), capacitor C 1 by the second resistance R 2,The trigger electrode of semiconductor switch OPT1 and unidirectional thyristor SCR1, the negative electrode of unidirectional thyristor SCR1 are in parallel, single-phase compound openingWhen the Central Shanxi Plain is used, the negative electrode of unidirectional thyristor SCR1 is power input, and the anode of unidirectional thyristor SCR1 is load end.
Note: the second resistance R 2 of the discharge loop series connection of capacitor C 1 is for reducing discharge current, and semiconductor switch OPT1 is a perseveranceWhen current circuit or unidirectional thyristor SCR1 trigger electrode band current-limiting resistance, can omit.
Operation principle: taking the IGCT that triggers combination switch as example, unidirectional thyristor SCR1 is in parallel with mechanical switch K1, to listBe described unidirectional thyristor SCR1 for the course of work of no-flashy-flow connection, mechanical switch K1 disjunction arc extinguishing to IGCT SCR1Negative electrode powers on, and J1 end exists potential difference to J3 end, and charging current is passed through current limiting element R1, one way conducting device D1 to electric capacityC1 charges to the voltage stabilizing value of voltage-stabilizing device Z1, in connection process, at anode and the unidirectional thyristor SCR1 of unidirectional thyristor SCR1Negative electrode between when peak value in reverse bias voltage, the pulse conducting control letter of semiconductor switch OPT1 a few tens of milliseconds is providedNumber, capacitor C 1 is by the second resistance R 2, semiconductor switch OPT1, the trigger electrode of unidirectional thyristor SCR1, unidirectional thyristorThe cathodic discharge triggering unidirectional thyristor SCR1 of SCR1 reaches the object of no-flashy-flow conducting, then mechanical switch K1 closure, machineryAfter K switch 1 closure completes, unidirectional thyristor SCR1 cut-off; In breaking course, provide semiconductor switch OPT1 a few tens of millisecondsPulse conducting control signal, capacitor C 1 is by the triggering of the second resistance R 2, semiconductor switch OPT1, unidirectional thyristor SCR1The cathodic discharge of the utmost point, unidirectional thyristor SCR1 triggers unidirectional thyristor SCR1 conducting, and mechanical switch K1 is meeting unidirectional thyristorThe disjunction when sense of current of SCR1 turn-on condition, after mechanical switch K1 disjunction completes, semiconductor switch OPT1 cut-off, unidirectional crystalline substanceBrake tube SCR1 cut-off.
The embodiment tetra-of thyristor triggering device of the present invention, as shown in Figure 4:
A kind of thyristor triggering device, it comprise current limiting element R1 (resistance), one way conducting device D1 (diode),Capacitor C 1, semiconductor switch OPT1 (photoelectrical coupler), voltage-stabilizing device Z1 (Zener diode), the second resistance R 2,Current limiting element R1, one way conducting device D1, capacitor C 1 series circuit that is in series, one end J1 of this series circuit and required touchingThe negative electrode (first end of IGCT) of the unidirectional thyristor SCR1 sending out connects, and the other end J3 of this series circuit is used for and neutralityLine connects (also can for being connected with another phase power supply of the negative electrode with respect to unidirectional thyristor SCR1), the forward of capacitor C 1Charging end is connected with the negative electrode of one way conducting device D1, and the other end of capacitor C 1 is connected with one end of current limiting element R1, current limliting unitThe other end of part R1 is connected (also can be connected with another phase power supply of the negative electrode with respect to unidirectional thyristor SCR1) with the neutral conductor,The anode of one way conducting device D1 is connected with the negative electrode of unidirectional thyristor, the positive charge end of capacitor C 1 by the second resistance R 2 withThe trigger electrode of unidirectional thyristor SCR1 connects, and capacitor C 1 is opened with series circuit and semiconductor that one way conducting device D1 is in seriesClose OPT1 parallel connection. Trigger electrode (the second end of IGCT) by the second resistance R 2, unidirectional thyristor SCR1 of capacitor C 1,Negative electrode, the semiconductor switch OPT1 of unidirectional thyristor SCR1 form discharge loop, and capacitor C 1 is connected with one way conducting device D1The series circuit forming is in parallel with voltage-stabilizing device Z1, and capacitor C 1 is by the second resistance R 2, semiconductor switch OPT1 and unidirectionalThe trigger electrode of IGCT SCR1, the negative electrode parallel connection of unidirectional thyristor SCR1, while use in single-phase combination switch, unidirectional brilliant lockThe negative electrode of pipe SCR1 is power input, and the anode of unidirectional thyristor SCR1 is load end.
Note: the second resistance R 2 of the discharge loop series connection of capacitor C 1 is for reducing discharge current, and semiconductor switch OPT1 is a perseveranceWhen current circuit or unidirectional thyristor SCR1 trigger electrode band current-limiting resistance, can omit.
Operation principle: taking the IGCT that triggers combination switch as example, unidirectional thyristor SCR1 is in parallel with mechanical switch K1, to listBe described unidirectional thyristor SCR1 for the course of work of no-flashy-flow connection, mechanical switch K1 disjunction arc extinguishing to IGCT SCR1Negative electrode powers on, and J1 end exists potential difference to J3 end, and charging current is passed through current limiting element R1, one way conducting device D1 to electric capacityC1 charging, in connection process, between the anode of unidirectional thyristor SCR1 and the negative electrode of unidirectional thyristor SCR1 in oppositely inclined to one sideWhile putting the peak value of voltage, provide semiconductor switch OPT1 pulse conducting control signal, capacitor C 1 is by the second resistance R 2, unidirectionalThe trigger electrode of IGCT SCR1, the negative electrode of unidirectional thyristor SCR1, semiconductor switch OPT1 electric discharge trigger unidirectional thyristor SCR1Reach the object of no-flashy-flow conducting, then mechanical switch K1 closure, after mechanical switch K1 closure completes, unidirectional thyristor SCR1Cut-off; In breaking course, provide semiconductor switch OPT1 pulse conducting control signal, capacitor C 1 is by the second resistance R 2, singleTrigger electrode, the negative electrode of unidirectional thyristor SCR1, semiconductor switch OPT1 electric discharge to IGCT SCR1 trigger unidirectional thyristorSCR1 conducting, mechanical switch K1 disjunction in the time meeting the sense of current of unidirectional thyristor SCR1 turn-on condition, mechanical switch K1After disjunction completes, semiconductor switch OPT1 cut-off, unidirectional thyristor SCR1 cut-off.
Above embodiment, the voltage stabilizing value of voltage-stabilizing device Z1 can be set as 20V left and right, and the capacitance of capacitor C 1 can be set as100 microfarad left and right, the discharge charge of capacitor C 1 enough touch by satisfied moment of triggering IGCT (unidirectional brilliant lock or bidirectional thyristor)Generating stream, current limiting element R1 can adopt resistance, can be much smaller than triggering IGCT conducting institute by the electric current of current limiting element R1The minimum trigger current (trigger current of general tens amperes of reliable triggering and conducting of IGCT is tens milliamperes) needing, current limiting elementThe resistance value of R1 can be larger, and operating current can be set as in 1 milliampere, even if be set as 1 milliampere, operating voltage isWhen 380V, current limiting element R1 power consumption is only 0.38W, and if operating voltage is 220V, current limiting element R1 power consumption is only 0.22W;Current limiting element R1 also can use an electric capacity instead, or adopts a resistance and a capacitor seriesing circuit, and operation principle is identical, also at this speciallyIn profit protection domain.
While use in single-phase ac power supply system, the first end with respect to IGCT being connected with thyristor triggering device of the present inventionThe other end power supply of (being the main circuit terminal of IGCT) is also defined as the neutral conductor. In the time that being used, three-phase electricity can adopt first to send outBright thyristor triggering device is by the second thyristor triggering device of the present invention of another phase and with respect to first invention thyristor driverAnother phase power supply of device connects.
In actual applications, semiconductor switch OPT1 can be that a triode, a photoelectrical coupler or a photoelectrical coupler drive crystalline substanceBody pipe circuit (seeing Fig. 5).
In sum, the present invention has the following advantages:
1. the triggering signal of IGCT is directly provided by current limiting element by AC network, without transformer isolation triggering, without heightPress electronic switch, reliability is high, circuit is simple, it is little to take up room, cost performance is high.
2. adopt capacitance energy storage triggering mode, there is large, the feature that triggering ability is strong of moment output current, current limiting element work simultaneouslyMake electric current much smaller than the minimum trigger current that triggers IGCT conducting, work energy consumption is low.
3. in the time being used for capacitive load, there is not the voltage drop of transformer due to pulse duty factor and high-pressure electronic on-off circuit ownThe zero cross fired blind area of bringing, connection is shoved minimum.
Claims (16)
1. a thyristor triggering device, it comprises a current limiting element, an one way conducting device, an electric capacity, semiconductor switch,Voltage-stabilizing device, described current limiting element, described one way conducting device, described capacitances in series form a series circuit, described series electricalThe one end on road is connected with the first end of the IGCT of required driving, the other end of described series circuit for with respect to described firstAnother phase power supply of end or the neutral conductor connect, second end of described electric capacity by described semiconductor switch, described IGCT, described inFirst end forms discharge loop, described electric capacity connect with described one way conducting device with the parallel connection of described voltage-stabilizing device or described electric capacity andThe series circuit becoming is in parallel with described voltage-stabilizing device.
2. thyristor triggering device according to claim 1, is characterized in that: described electric capacity by described semiconductor switch with described inThe second end, described first end parallel connection.
3. thyristor triggering device according to claim 1, is characterized in that: be less than and triggered institute by the electric current of described current limiting elementState the required minimum trigger current of IGCT conducting.
4. thyristor triggering device according to claim 1, is characterized in that: described voltage-stabilizing device is a Zener diode, described inOne way conducting device is a diode, and described current limiting element is a resistance.
5. thyristor triggering device according to claim 1, is characterized in that: described semiconductor switch is a triode, a photoelectricityCoupler or a photoelectrical coupler driving transistors circuit.
6. thyristor triggering device according to claim 5, is characterized in that: also comprise the second resistance, described the second resistance series connectionIn the discharge loop of described electric capacity.
7. thyristor triggering device according to claim 1, is characterized in that: described IGCT is bidirectional thyristor, described firstEnd is the first anode of described bidirectional thyristor, the trigger electrode that described the second end is described bidirectional thyristor.
8. thyristor triggering device according to claim 7, is characterized in that: described current limiting element and described one way conducting device connectConnect, described another phase power supply or the described neutral conductor fill described electric capacity negative sense by described current limiting element, described one way conducting deviceElectricity, the negative sense charging end of described electric capacity is connected with described trigger electrode by described semiconductor switch, the other end of described electric capacity and instituteThe first anode of stating bidirectional thyristor connects.
9. thyristor triggering device according to claim 7, is characterized in that: the negative sense charging end of described electric capacity and described unidirectionalThe anodic bonding of logical device, the other end of described electric capacity is connected with one end of described current limiting element, the other end of described current limiting elementFor being connected with described another phase power supply or the described neutral conductor, the of the negative electrode of described one way conducting device and described bidirectional thyristorOne anodic bonding, the negative sense charging end of described electric capacity is connected with described trigger electrode, and described electric capacity is connected with described one way conducting deviceThe series circuit forming is in parallel with described semiconductor switch.
10. thyristor triggering device according to claim 7, is characterized in that: the described first anode is power input, described twoBe load end to the second plate of IGCT.
11. thyristor triggering devices according to claim 1, is characterized in that: described IGCT is unidirectional thyristor, described firstEnd is the negative electrode of described unidirectional thyristor, the trigger electrode that described the second end is described unidirectional thyristor.
12. thyristor triggering devices according to claim 11, is characterized in that: described another phase power supply or the described neutral conductor pass throughDescribed current limiting element, described one way conducting device are to described electric capacity positive charge, and the positive charge end of described electric capacity is by described halfConductor switch is connected with described trigger electrode, and the other end of described electric capacity is connected with the negative electrode of described unidirectional thyristor.
13. thyristor triggering devices according to claim 11, is characterized in that: the positive charge end of described electric capacity and described unidirectionalThe negative electrode of conduction device connects, and the other end of described electric capacity is connected with one end of described current limiting element, another of described current limiting elementEnd is used for being connected with described another phase power supply or the described neutral conductor, the anode of described one way conducting device and described unidirectional thyristorNegative electrode connect, the positive charge end of described electric capacity is connected with described trigger electrode, described electric capacity connect with described one way conducting device andThe series circuit becoming is in parallel with described semiconductor switch.
14. thyristor triggering devices according to claim 11, is characterized in that: the negative electrode of described unidirectional thyristor is power supply inputEnd, the anode of described unidirectional thyristor is load end.
15. according to the thyristor triggering device described in arbitrary claim in claim 1 to 14, it is characterized in that: described IGCT withOne mechanical switch parallel connection, described IGCT is connected for described mechanical switch arc extinguishing or no-flashy-flow.
16. according to the thyristor triggering device described in arbitrary claim in claim 1 to 14, it is characterized in that: it triggers compound openingThe described IGCT closing.
Priority Applications (18)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116841.8A CN105610301A (en) | 2015-02-27 | 2016-02-26 | Thyristor triggering apparatus |
| CN201710028718.5A CN106980039A (en) | 2016-01-24 | 2017-01-16 | Zero crossing detection device and synchro switch |
| CN201720046272.4U CN206471248U (en) | 2016-01-24 | 2017-01-16 | Direct current arc extinguishing power device drive device and arc-control device |
| CN201710029090.0A CN106847581B (en) | 2016-01-24 | 2017-01-16 | Electronic arc eliminating feedback device and arc-control device |
| CN201710028440.1A CN106783297B (en) | 2016-01-24 | 2017-01-16 | Direct current arc extinguishing power device driving device and arc-control device |
| CN201710029448.XA CN106847582B (en) | 2016-01-24 | 2017-01-16 | Arc extinguishing power device driving device and arc-control device |
| CN201710028986.7A CN106712756B (en) | 2016-01-24 | 2017-01-16 | Composite switch |
| CN201720047653.4U CN206432170U (en) | 2016-01-24 | 2017-01-16 | Arc extinguishing power device drive device and arc-control device |
| JP2018557182A JP6596781B2 (en) | 2016-01-24 | 2017-01-20 | Power extinguishing power device drive device and arc extinguishing device |
| PCT/CN2017/071793 WO2017125056A1 (en) | 2016-01-24 | 2017-01-20 | Zero-crossing detection apparatus and synchronous switch |
| PCT/CN2017/071792 WO2017125055A1 (en) | 2016-01-24 | 2017-01-20 | Hybrid switch |
| US16/072,142 US10468207B2 (en) | 2016-01-24 | 2017-01-20 | Arc-extinguishing power device driving apparatus and arc extinguishing apparatus |
| EP17741085.9A EP3407368B1 (en) | 2016-01-24 | 2017-01-20 | Arc-extinguishing power device driving apparatus and arc-extinguishing apparatus |
| PCT/CN2017/071791 WO2017125054A1 (en) | 2016-01-24 | 2017-01-20 | Arc-extinguishing power device driving apparatus and arc-extinguishing apparatus |
| PCT/CN2017/071790 WO2017125053A1 (en) | 2016-01-24 | 2017-01-20 | Direct-current arc-extinguishing power device drive apparatus and arc-extinguishing apparatus |
| PCT/CN2017/071795 WO2017125058A1 (en) | 2016-01-24 | 2017-01-20 | Electronic arc-extinguishing feedback apparatus and arc-extinguishing apparatus |
| KR1020187024483A KR101978286B1 (en) | 2016-01-24 | 2017-01-20 | Driving device and SOHO device for SOHO power device |
| AU2017209635A AU2017209635B2 (en) | 2016-01-24 | 2017-01-20 | Arc-extinguishing power device driving apparatus and arc-extinguishing apparatus |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095404 | 2015-02-27 | ||
| CN2015100954048 | 2015-02-27 | ||
| CN2015107157713 | 2015-10-21 | ||
| CN201510715771 | 2015-10-21 | ||
| CN2016100701458 | 2016-01-24 | ||
| CN201610070145 | 2016-01-24 | ||
| CN201610116841.8A CN105610301A (en) | 2015-02-27 | 2016-02-26 | Thyristor triggering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105610301A true CN105610301A (en) | 2016-05-25 |
Family
ID=55989912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610116841.8A Withdrawn CN105610301A (en) | 2015-02-27 | 2016-02-26 | Thyristor triggering apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105610301A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783297A (en) * | 2016-01-24 | 2017-05-31 | 广州市金矢电子有限公司 | Direct current arc extinguishing power device drive device and arc-control device |
| WO2017125055A1 (en) * | 2016-01-24 | 2017-07-27 | 广州市金矢电子有限公司 | Hybrid switch |
| WO2017125056A1 (en) * | 2016-01-24 | 2017-07-27 | 广州市金矢电子有限公司 | Zero-crossing detection apparatus and synchronous switch |
| CN109003851A (en) * | 2017-07-24 | 2018-12-14 | 广州市金矢电子有限公司 | Direct current arc-suppression circuit and device |
| WO2020057551A1 (en) * | 2018-09-19 | 2020-03-26 | 郭桥石 | Arc-extinguishing circuit and apparatus |
| WO2020083181A1 (en) * | 2018-10-22 | 2020-04-30 | 郭桥石 | Alternating-current arc extinguishing circuit and device, and switching system |
-
2016
- 2016-02-26 CN CN201610116841.8A patent/CN105610301A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783297A (en) * | 2016-01-24 | 2017-05-31 | 广州市金矢电子有限公司 | Direct current arc extinguishing power device drive device and arc-control device |
| WO2017125053A1 (en) * | 2016-01-24 | 2017-07-27 | 广州市金矢电子有限公司 | Direct-current arc-extinguishing power device drive apparatus and arc-extinguishing apparatus |
| WO2017125055A1 (en) * | 2016-01-24 | 2017-07-27 | 广州市金矢电子有限公司 | Hybrid switch |
| WO2017125056A1 (en) * | 2016-01-24 | 2017-07-27 | 广州市金矢电子有限公司 | Zero-crossing detection apparatus and synchronous switch |
| CN106783297B (en) * | 2016-01-24 | 2018-04-20 | 广州市金矢电子有限公司 | Direct current arc extinguishing power device driving device and arc-control device |
| CN109003851A (en) * | 2017-07-24 | 2018-12-14 | 广州市金矢电子有限公司 | Direct current arc-suppression circuit and device |
| WO2020057551A1 (en) * | 2018-09-19 | 2020-03-26 | 郭桥石 | Arc-extinguishing circuit and apparatus |
| CN112673442A (en) * | 2018-09-19 | 2021-04-16 | 郭桥石 | Arc extinguishing circuit and device |
| WO2020083181A1 (en) * | 2018-10-22 | 2020-04-30 | 郭桥石 | Alternating-current arc extinguishing circuit and device, and switching system |
| CN112753084A (en) * | 2018-10-22 | 2021-05-04 | 郭桥石 | Alternating current arc extinguishing circuit, alternating current arc extinguishing device and switch system |
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Application publication date: 20160525 |