CN103138601B - Four-quadrant power component and conversion cabinet - Google Patents
Four-quadrant power component and conversion cabinet Download PDFInfo
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- CN103138601B CN103138601B CN201110390150.4A CN201110390150A CN103138601B CN 103138601 B CN103138601 B CN 103138601B CN 201110390150 A CN201110390150 A CN 201110390150A CN 103138601 B CN103138601 B CN 103138601B
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Abstract
The invention discloses a four-quadrant power component and a conversion cabinet. The four-quadrant power component comprises a bridge arm of an upper bridge arm, a bridge arm of a lower bridge arm, gate drive circuits connected with the IGBTs, a photovoltaic conversion module and a low voltage connector. The upper bridge arm is in parallel connection with the lower bridge arm, the upper bridge arm comprises a first main insulated gate bipolar translator (IGBT) and a first auxiliary IGBT in parallel connection with each other, and the lower bridge arm comprises a second main IGBT and a second auxiliary IGBT in parallel connection with each other. The gate drive circuits are used for receiving control optical signals from the photovoltaic conversion module and sending fault optical signals to the photovoltaic conversion module. The photovoltaic conversion module is used for converting control electric signals sent by an external control unit to control optical signals and sending the control optical signals to the gate drive circuits, and also used for receiving the fault optical signals sent by the gate drive circuits, converting the fault optical signals to fault electric signals and sending the fault electric signals to the external control unit. The low voltage connector is respectively connected with the photovoltaic conversion module and the external control unit. According to the four-quadrant power component and the conversion cabinet, the layout is reasonable, structures of the IGBTs are symmetric, and dynamic current sharing is favored.
Description
Technical field
The present invention relates to electric locomotive technical field, particularly relate to a kind of four-quadrant (PCC) power and converter cabinet.
Background technology
In high-power AC transmission power car, high-voltage great-current insulated gate bipolar transistor (Insulatd-Gate Bipolar Transistor is called for short IGBT) is commonly used.
But in actual applications, the current capacity of single IGBT can not meet the requirement of user, therefore great majority adopt mode that is two-tube or multitube parallel, generally use by the four-quadrant frequency converter of multiple IGBT parallel connection, it not only can realize the two-way flow of energy between electrical network and motor, energy feedback input electrical network in motor braking process is strengthened energy-saving effect, also because its input current waveform is sinusoidal wave, input side power factor, close to 1, thus effectively can reduce the harmonic pollution to whole electric power system.
The four-quadrant (PCC) power of one or more combination is generally comprised to perform the functions such as rectification in converter cabinet.Therefore, the design of four-quadrant (PCC) power is very important.If there is irrational IGBT circuit design can cause damage or the blast of IGBT in four-quadrant (PCC) power, safe operation and the personal safety of locomotive even may be affected.
Summary of the invention
The invention provides a kind of four-quadrant (PCC) power and converter cabinet, for providing a kind of IGBT circuit design reasonable in design.
The invention provides a kind of four-quadrant (PCC) power, comprising:
Brachium pontis, described brachium pontis comprises the upper brachium pontis of series connection and lower brachium pontis, and described upper brachium pontis comprises the first main IGBT in parallel and the first auxiliary IGBT, and described lower brachium pontis comprises the second main IGBT in parallel and the second auxiliary IGBT;
The gate drive circuit be connected with each IGBT respectively, described control light signal is converted to controls the signal of telecommunication to control the switch of described IGBT according to the described control signal of telecommunication for the control light signal that receives from photoelectric conversion module, and for sending fault light signal to described photoelectric conversion module with by the described photoelectric conversion module control unit transmission fault signal of telecommunication externally;
Described photoelectric conversion module, the control signal of telecommunication for being sent by the control unit of outside is converted to and controls light signal this control light signal is sent to described gate drive circuit, and for receiving fault light signal that described gate drive circuit sends and this fault light signal being converted to the control unit that the fault signal of telecommunication is sent to described outside;
Low voltage connector, is connected with the control unit of described photoelectric conversion module and described outside respectively;
Wherein, between described first main IGBT and the second main IGBT, between the first auxiliary IGBT and the second auxiliary IGBT, connect same input, described first main IGBT is connected an output with described first auxiliary IGBT, described second main IGBT is connected another output with described second auxiliary IGBT, is connected between the pin of described each IGBT by composite bus bar.
Four-quadrant (PCC) power as above, preferably, the described gate drive circuit be connected with each IGBT respectively comprises:
First main gate drive circuit, is connected with described first main IGBT;
First auxiliary gate drive circuit, is connected with described first auxiliary IGBT;
Second main gate drive circuit, is connected with described second main IGBT;
Second auxiliary gate drive circuit, is connected with described second auxiliary IGBT;
Described photoelectric conversion module comprises:
First photoelectric conversion module, is connected with described first main gate drive circuit and described low voltage connector respectively;
Second photoelectric conversion module, is connected with described second main gate drive circuit and described low voltage connector respectively;
Wherein, described first main gate drive circuit is connected with described first auxiliary gate drive circuit, and described second main gate drive circuit is connected with described second auxiliary gate drive circuit.
Four-quadrant (PCC) power as above, preferably, described photoelectric conversion module comprises a Puled input modulate circuit, and described Puled input modulate circuit is made up of upper bridge branch road, lower bridge branch road, the first electric capacity, the second resistance, the 3rd resistance, diode and optical transmitting set; Described upper bridge branch road and lower bridge branch road by the first resistance and voltage stabilizing didoe in series; Two first resistance one end connect the second resistance two ends respectively, and the two first resistance other ends are all connected with two voltage stabilizing didoe negative electrodes; One end of first electric capacity is connected between the first resistance of bridge branch road and voltage stabilizing didoe, between the first resistance that the other end of the first electric capacity is connected to lower bridge branch road and voltage stabilizing didoe; 3rd resistance, diode and the optical transmitting set respectively rear circuit two ends formed in parallel are connected two voltage stabilizing didoe anodes respectively.
Four-quadrant (PCC) power as above, preferably, also comprises:
Water-cooling base plate, for being described IGBT heat radiation;
Wherein, described each IGBT and each gate drive circuit are positioned at the side of described water-cooling base plate, and described photoelectric conversion module and described low voltage connector are positioned at the opposite side of described water-cooling base plate.
Four-quadrant (PCC) power as above, preferably also comprises:
Power module, is connected with described each gate drive circuit and described photoelectric conversion module respectively, for powering for each gate drive circuit, and described power module and described photoelectric conversion module homonymy.
Four-quadrant (PCC) power as above, preferably also comprises:
Buffer capacitor, in parallel with described brachium pontis, for suppressing the shutoff voltage spike of each IGBT, described buffer capacitor and described each IGBT homonymy.
Four-quadrant (PCC) power as above, preferably also comprises:
Discharge resistance, in parallel with described brachium pontis, for discharging the residual charge of described four-quadrant (PCC) power when described four-quadrant (PCC) power is cut off the electricity supply, described discharge resistance and described each IGBT homonymy.
The present invention also provides a kind of converter cabinet, comprises at least one four-quadrant (PCC) power as above, also comprises: the control unit of each outside be connected with each four-quadrant (PCC) power.
According to four-quadrant (PCC) power of the present invention and converter cabinet, rationally distributed, the symmetrical configuration of IGBT, is conducive to dynamic current equalizing.
Accompanying drawing explanation
Fig. 1 is the structural representation of four-quadrant (PCC) power according to an embodiment of the invention;
Fig. 2 is the structural representation of four-quadrant (PCC) power according to another embodiment of the present invention;
Fig. 3 is the structural representation of the four-quadrant (PCC) power according to further embodiment of this invention;
Fig. 4 is the structural representation of four-quadrant (PCC) power according to yet another embodiment of the invention.
Embodiment
Embodiment one
The present embodiment one provides a kind of four-quadrant (PCC) power, and as shown in Figure 1, this four-quadrant (PCC) power 100 comprises brachium pontis 101, gate drive circuit 102, photoelectric conversion module 103 and low voltage connector 104.
Wherein, brachium pontis 101 comprises the upper brachium pontis of series connection and lower brachium pontis, and upper brachium pontis comprises the first main IGBT107 in parallel and the first auxiliary IGBT108, and lower brachium pontis comprises the second main IGBT109 in parallel and the second auxiliary IGBT110; The gate drive circuit 102 be connected with each IGBT respectively, it is for receiving control light signal from photoelectric conversion module 103 and being converted to controlling the signal of telecommunication with according to the switch controlling signal of telecommunication control IGBT by controlling light signal, and for sending fault light signal to photoelectric conversion module 103 to send the fault signal of telecommunication by photoelectric conversion module 103 control unit 130 externally; Photoelectric conversion module 103 is for control unit (the Traction Control Unit by outside, being called for short TCU) the 130 control signals of telecommunication sent are converted to and control light signal this control light signal is sent to gate drive circuit 102, and be sent to outside control unit 130 for receiving fault light signal that described gate drive circuit 102 sends and this fault light signal being converted to the fault signal of telecommunication; Low voltage connector 104 is connected with photoelectric conversion module 103 and outside control unit 130 respectively.Above-mentioned IGBT is formed by insulated gate bipolar transistor and diode inverse parallel.
Wherein, same input is connected between first main IGBT107 and the second main IGBT109, between the first auxiliary IGBT108 and the second auxiliary IGBT110, first main IGBT107 is connected an output with the first auxiliary IGBT108, second main IGBT109 is connected another output with the second auxiliary IGBT110, is connected between the pin of each IGBT by composite bus bar (not shown).Composite bus bar is that a kind of multi-layer compound structure connects copper bar, and it can reduce the stray inductance of whole four-quadrant (PCC) power 100, is conducive to IGBT dynamic current equalizing in parallel and reduces each IGBT shutoff voltage spike.
Gate drive circuit 102 in the present embodiment can also be used for the operating state detecting each IGBT, when detecting that certain IGBT is not in normal operating conditions, or send Fault Control light signal when gate drive circuit 102 breaks down, and be forwarded to outside control unit 130 by photoelectric conversion module 103 and low voltage connector 104, take operate accordingly or notify staff to make outside control unit 130.This gate drive circuit 102 also has short-circuit protection function; this is because excessive electric current probably burns out IGBT; this gate drive circuit 102 is adopted to protect in time; such as in special time; gate drive circuit 102 automatically shuts down corresponding IGBT; fault light signal is transferred to outside control unit 130 by photoelectric conversion module 103, low voltage connector 104 simultaneously, and then control unit 130 locking pulse in special time of outside.In addition, this gate drive circuit 102 also has active clamp function, due to voltage spikes when namely suppressing IGBT to turn off.
Preferably, this four-quadrant (PCC) power 100 also comprises power module 105.This power module 105 can be connected with each gate drive circuit 102 and photoelectric conversion module 103 respectively, for powering for each gate drive circuit 102.Photoelectric conversion module 103 is when receiving control light signal, and be divided into two-way, a road is directly sent to gate drive circuit 102, and another road makes power module 105 power for gate drive circuit 102.In addition, the low-tension supply of photoelectric conversion module 103 and outside control unit 130 and high-pressure side can also be carried out electrical isolation by power module 105.High-pressure side comprises brachium pontis 101 and gate drive circuit 102, and low-pressure side comprises photoelectric conversion module 103 and low voltage connector 104.
According to the four-quadrant (PCC) power 100 of the present embodiment one, rationally distributed, the symmetrical configuration of IGBT, be conducive to dynamic current equalizing, and connected the pin of each IGBT by composite bus bar, can stray inductance be reduced, ensure the normal work of whole four-quadrant (PCC) power 100.In addition, this four-quadrant (PCC) power 100 accessible site on one module, two or more same four-quadrant power model can complete four-quadrant rectification function by outside connection, outside connection can make each four-quadrant (PCC) power in parallel or series connection, or series-parallel connection, like this, when one of them brachium pontis or an IGBT damage, only need to change whole module, and again as needing to change the whole rectification unit in converter cabinet in conventional art, a large amount of financial resources and manpower need not be saved.
Embodiment two
The four-quadrant (PCC) power of the present embodiment two pairs of embodiments one does further restriction.
The present embodiment two only does further restriction to the gate drive circuit of embodiment one, power module and photoelectric conversion module, and consistent all with embodiment one of other module, no longer repeats at this.
As shown in Figure 2, the gate drive circuit be connected with the first main IGBT107 is the first main gate drive circuit 140, the gate drive circuit be connected with the first auxiliary IGBT108 is the first auxiliary gate drive circuit 141, equally, the gate drive circuit be connected with the second main IGBT109 is the second main gate drive circuit 142, and the gate drive circuit be connected with the second auxiliary IGBT110 is the second auxiliary gate drive circuit 143.Wherein, first main gate drive circuit 140 is connected with the first auxiliary gate drive circuit 141, first main gate drive circuit 140 receives control light signal that the first optical-electric module 103A sends and is converted to by this control light signal and controls after the signal of telecommunication, this control signal of telecommunication is forwarded to the first auxiliary gate drive circuit 141, synchronous with what realize between the first main gate drive circuit 140 with the first auxiliary gate drive circuit 141, namely realize the synchronous of the first main IGBT107 and the first auxiliary IGBT108.Equally, second main gate drive circuit 142 is connected with the second auxiliary gate drive circuit 143, second main gate drive circuit 142 receives control light signal that the second optical-electric module 103B sends and is converted to by this control light signal and controls after the signal of telecommunication, this control signal of telecommunication is forwarded to the second auxiliary gate drive circuit 143, to realize the synchronous of the second main gate drive circuit 142 and the second auxiliary gate drive circuit 143, namely realize the synchronous of the second main IGBT109 and the second auxiliary 1GBT110.
Wherein, the first photoelectric conversion module 103A main gate drive circuit 140 low voltage connector 104 with first respectively; Second photoelectric conversion module 103B respectively gate drive circuit 142 main with second and low voltage connector 104 is connected.First power module 105A is connected with the first photoelectric conversion module 103A and the first main gate drive circuit 140 respectively, and second source module 105B is connected with the second photoelectric conversion module 103B and the second main gate drive circuit 142 respectively.
According to the four-quadrant (PCC) power 100 of the present embodiment two, by auxiliary gate drive circuit will be controlled by main gate drive circuit, what achieve between main IGBT and auxiliary IGBT is synchronous, and the dynamic current equalizing between the IGBT that can ensure each parallel connection, ensures the normal work of whole four-quadrant (PCC) power 100.
Embodiment three
The present embodiment three pairs of embodiments one and embodiment two do further restriction.
The present embodiment three only does further restriction to photoelectric conversion module, and consistent all with above-described embodiment of all the other structures, no longer repeats at this.
As shown in Figure 3, be the structural representation of the photoelectric conversion module in the four-quadrant (PCC) power of the present embodiment three.This photoelectric conversion module has a Puled input modulate circuit, and Puled input modulate circuit is made up of upper bridge branch road, lower bridge branch road, the first electric capacity 10, second resistance 12, the 3rd resistance 13, diode 21 and optical transmitting set 3; It is in series that upper bridge props up the first resistance 11 and upper voltage stabilizing didoe 4 in route, and lower bridge props up the first resistance 11 ' and lower voltage stabilizing didoe 4 ' under route and forms; Upper first resistance 11 one end is connected the second resistance 12 two ends respectively with lower first resistance 11 ' one end, and upper first resistance 11 other end is connected with upper voltage stabilizing didoe 4 negative electrode, and the lower first resistance 11 ' other end is connected with lower voltage stabilizing didoe 4 ' negative electrode; One end of first electric capacity 10 is connected between the first resistance 11 and upper voltage stabilizing didoe 4, and the other end of the first electric capacity 10 is connected on down between the first resistance 11 ' and lower voltage stabilizing didoe 4 '; 3rd resistance 13, diode 21 and the optical transmitting set 3 respectively rear circuit two ends formed in parallel are connected upper voltage stabilizing didoe 4 anode and lower voltage stabilizing didoe 4 ' anode respectively.Optical transmitting set 3 is made up of housing and the light-emitting diode 30 be located in this housing, this housing be provided with for connecting fiber launch hole (not shown) and at least one is for being fixed on the pin 31 on gate drive circuit by optical transmitting set.Launch hole is connected control optical signal transmission that light-emitting diode 30 is sent to gate drive circuit by optical fiber with gate drive circuit.
Be described for the first photoelectric conversion module 103A in embodiment two below.
Particularly, the input a of upper bridge branch road is connected with the control unit of outside respectively with the input b of lower bridge branch road, for receiving the drive pulse signal that outside control unit sends, the input a of the upper bridge branch road of pulse access of the upper brachium pontis that outside control unit sends, the input b of the lower bridge branch road of pulse access of the lower brachium pontis of the same brachium pontis that outside control unit sends, the connection of this differential mode, contribute to the common mode disturbances in limiting circuitry transmitting procedure, through Puled input modulate circuit, control light signal is converted to by optical transmitting set 3, then gate drive circuit is transmitted through the fiber to, ensure reliably opening and shutoff of IGBT.Its principle is:
When pulse positive pole connects the input a of bridge branch road, when pulse negative pole meets the input b of lower bridge branch road, the path of electric current is: the input b of input a → upper first resistance 11 → upper voltage stabilizing didoe 4 → optical transmitting set 3 → lower voltage stabilizing didoe 4 ' → lower first resistance 11 ' → lower bridge branch road of upper bridge branch road, in such cases, upper voltage stabilizing didoe 4 plays voltage stabilizing didoe effect, lower voltage stabilizing didoe 4 ' plays diode action, and in optical transmitting set 3, light-emitting diode 30 is luminous; When the input a pulse of upper bridge branch road is negative by just transferring to, the input b pulse of lower bridge branch road transfers timing to by negative, because optical transmitting set 3 self exists electric capacity, the electric charge of this capacitance stores is discharged by the 3rd resistance 13, after electric charge release, the path of electric current is: the input a of input b → lower first resistance 11 ' → lower voltage stabilizing didoe 4 ' → diode 21 → upper voltage stabilizing didoe 4 → upper first resistance 11 → upper bridge branch road of lower bridge branch road, and now, light-emitting diode 30 extinguishes; When the input a pulse of upper bridge branch road just transfers to by negative, the input b pulse of lower bridge branch road is by when just transferring to negative, because diode 21 self exists electric capacity, the electric charge of this capacitance stores is discharged by the 3rd resistance 13, after electric charge release, the path of electric current is: the input b of input a → upper first resistance 11 → upper voltage stabilizing didoe 4 → optical transmitting set 3 → lower voltage stabilizing didoe 4 ' → lower first resistance 11 ' → lower bridge branch road of upper bridge branch road, this is a cyclic process.Wherein go up the first resistance 11 and the first electric capacity 10 or descend the first resistance 11 ' and the first electric capacity 10 to form filter circuit, filtering is carried out to the pulse signal of input.
It should be noted that, for the second photoelectric conversion module in embodiment two, the pulse of the upper brachium pontis that outside control unit sends, while the input a of the upper bridge branch road of access first photoelectric conversion module, also accesses the input b of the lower bridge branch road of the second photoelectric conversion module; While the pulse of the lower brachium pontis of the same brachium pontis that outside control unit sends accesses the input b of lower bridge branch road of the first photoelectric conversion module, also access the input a of the upper bridge branch road of the second photoelectric conversion module.
The four-quadrant (PCC) power of the present embodiment, by input modulate circuit, namely the pulse control signal that the control unit from outside sends is controlled the signal of telecommunication and be converted to control light signal, by optical fiber, control light signal is transferred to gate drive circuit with the switch of control IGBT as input signal, improve the control and protection to IGBT, and then reduction causes electromagnetic interference to other unit in whole converter cabinet, strengthen the anti-interference of drive circuit, improve the reliability of four-quadrant (PCC) power, reduce failure rate, thus greatly save parts for maintenance cost, enormously simplify the layout of four-quadrant (PCC) power, save space and cost, improve product quality and reliability.
Embodiment four
The four-quadrant (PCC) power of the present embodiment four pairs of above-described embodiments does further restriction.
The four-quadrant (PCC) power of the present embodiment also comprises water-cooling base plate.This water-cooling base plate is used for for IGBT heat radiation.Each IGBT and each gate drive circuit are positioned at the side of water-cooling base plate, and photoelectric conversion module and low voltage connector are positioned at the opposite side of water-cooling base plate.The inside of this water-cooling base plate is hollow, is taken away the heat produced when each IGBT works by current flowing wherein.
Wherein, the side at each IGBT and each gate drive circuit place is high-pressure side, and the side at photoelectric conversion module and low voltage connector place is low-pressure side.Each IGBT, each gate drive circuit, photoelectric conversion module and low voltage connector are all fixed on this water-cooling base plate.When there is the water-cooling base plate in power module and the present embodiment simultaneously, power module also can be included into low-pressure side, equally, this power module is also fixed on this water-cooling base plate.
This water-cooling base plate can be that each IGBT dispels the heat, not only good heat dissipation effect, and noise is less.And by high-pressure side and low-pressure side are separated, high-pressure side can be prevented further on the impact of low-side signal, ensure that the accuracy of Signal transmissions.
Embodiment five
The four-quadrant (PCC) power of the present embodiment five pairs of above-described embodiments does further restriction.
As shown in Figure 4, the four-quadrant (PCC) power 100 of the present embodiment also comprises buffer capacitor 401.This buffer capacitor 401 is in parallel with brachium pontis 101, for suppressing the shutoff voltage spike of each IGBT.
Alternatively, this four-quadrant (PCC) power 100 also comprises discharge resistance 402.This discharge resistance 402 is in parallel with brachium pontis 101, for discharging the residual charge of four-quadrant (PCC) power when four-quadrant (PCC) power is cut off the electricity supply.Also can adopt in this discharge resistance 402 time of presetting after a loss of power and this four-quadrant (PCC) power is discharged.
According to the four-quadrant (PCC) power 100 of the present embodiment four, shutoff voltage spike can be suppressed by buffer capacitor 401, when there is discharge resistance 402, the residual charge of this four-quadrant (PCC) power 100 can also be discharged, to avoid damaging staff in follow-up replacing or maintenance process.
It is important to note that when there is water-cooling base plate, the buffer capacitor 401 of the present embodiment four and discharge resistance 402 are all positioned at the high-pressure side of water-cooling base plate.
The present invention also provides a kind of converter cabinet, comprises the four-quadrant (PCC) power of at least one as above any embodiment, also comprises: the control unit of each outside be connected with each four-quadrant (PCC) power.The control unit of this outside can be one, also can be multiple, and the control unit of each outside can be connected with a four-quadrant (PCC) power, also can connect multiple four-quadrant (PCC) power, specifically can set according to actual needs.Wherein, each four-quadrant (PCC) power is in parallel, series connection or series-parallel connection, can sets itself according to actual needs.Such as, two four-quadrant (PCC) powers as above described by any embodiment are in parallel, just can complete the function of rectification.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a four-quadrant (PCC) power, is characterized in that, comprising:
Brachium pontis, described brachium pontis comprises the upper brachium pontis of series connection and lower brachium pontis, and described upper brachium pontis comprises the first main IGBT in parallel and the first auxiliary IGBT, and described lower brachium pontis comprises the second main IGBT in parallel and the second auxiliary IGBT;
The gate drive circuit be connected with each IGBT respectively, described control light signal is converted to controls the signal of telecommunication to control the switch of described IGBT according to the described control signal of telecommunication for the control light signal that receives from photoelectric conversion module, and for sending fault light signal to described photoelectric conversion module with by the described photoelectric conversion module control unit transmission fault signal of telecommunication externally;
Described photoelectric conversion module, the control signal of telecommunication for being sent by the control unit of described outside is converted to and controls light signal this control light signal is sent to described gate drive circuit, and for receiving fault light signal that described gate drive circuit sends and this fault light signal being converted to the control unit that the fault signal of telecommunication is sent to described outside;
Described photoelectric conversion module comprises a Puled input modulate circuit, and described Puled input modulate circuit is made up of upper bridge branch road, lower bridge branch road, the first electric capacity, the second resistance, the 3rd resistance, diode and optical transmitting set; Described upper bridge branch road and lower bridge branch road by the first resistance and voltage stabilizing didoe in series; Two first resistance one end connect the second resistance two ends respectively, and the two first resistance other ends are all connected with two voltage stabilizing didoe negative electrodes; One end of the first electric capacity is connected between the first resistance of bridge branch road and voltage stabilizing didoe, between the first resistance that the first electric capacity other end is connected to lower bridge branch road and voltage stabilizing didoe; 3rd resistance, diode and the optical transmitting set respectively rear circuit two ends formed in parallel are connected two voltage stabilizing didoe anodes respectively;
Low voltage connector, is connected with the control unit of described photoelectric conversion module and described outside respectively;
Wherein, between described first main IGBT and the second main IGBT, between the first auxiliary IGBT and the second auxiliary IGBT, connect same input, described first main IGBT is connected an output with described first auxiliary IGBT, described second main IGBT is connected another output with described second auxiliary IGBT, is connected between the pin of described each IGBT by composite bus bar.
2. four-quadrant (PCC) power according to claim 1, is characterized in that, the described gate drive circuit be connected with each IGBT respectively comprises:
First main gate drive circuit, is connected with described first main IGBT;
First auxiliary gate drive circuit, is connected with described first auxiliary IGBT;
Second main gate drive circuit, is connected with described second main IGBT;
Second auxiliary gate drive circuit, is connected with described second auxiliary IGBT;
Described photoelectric conversion module comprises:
First photoelectric conversion module, is connected with described first main gate drive circuit and described low voltage connector respectively;
Second photoelectric conversion module, is connected with described second main gate drive circuit and described low voltage connector respectively;
Wherein, described first main gate drive circuit is connected with described first auxiliary gate drive circuit, and described second main gate drive circuit is connected with described second auxiliary gate drive circuit.
3. four-quadrant (PCC) power according to claim 1, is characterized in that, also comprise:
Water-cooling base plate, for being described IGBT heat radiation;
Wherein, described each IGBT and each gate drive circuit are positioned at the side of described water-cooling base plate, and described photoelectric conversion module and described low voltage connector are positioned at the opposite side of described water-cooling base plate.
4. four-quadrant (PCC) power according to claim 3, is characterized in that, also comprise:
Power module, is connected with described each gate drive circuit and described photoelectric conversion module respectively, for powering for each gate drive circuit, and described power module and described photoelectric conversion module homonymy.
5. four-quadrant (PCC) power according to claim 3, is characterized in that, also comprise:
Buffer capacitor, in parallel with described brachium pontis, for suppressing the shutoff voltage spike of each IGBT, described buffer capacitor and described each IGBT homonymy.
6. four-quadrant (PCC) power according to claim 1, is characterized in that, also comprise:
Discharge resistance, in parallel with described brachium pontis, for discharging the residual charge of described four-quadrant (PCC) power when described four-quadrant (PCC) power is cut off the electricity supply, described discharge resistance and described each IGBT homonymy.
7. a converter cabinet, comprises at least one four-quadrant (PCC) power according to any one of claim 1 ~ 6, also comprises: the control unit of each outside be connected with each four-quadrant (PCC) power.
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| CN201110390150.4A CN103138601B (en) | 2011-11-30 | 2011-11-30 | Four-quadrant power component and conversion cabinet |
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| CN201110390150.4A CN103138601B (en) | 2011-11-30 | 2011-11-30 | Four-quadrant power component and conversion cabinet |
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| CN103138601B true CN103138601B (en) | 2015-06-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103346680A (en) * | 2013-06-26 | 2013-10-09 | 永济新时速电机电器有限责任公司 | Novel IGBT device applicable to high-power electric locomotive |
| CN104333236A (en) * | 2013-07-22 | 2015-02-04 | 西安永电电气有限责任公司 | IGBT double-tube parallel power module |
| CN104333235A (en) * | 2013-07-22 | 2015-02-04 | 西安永电电气有限责任公司 | IGBT double-tube parallel power module |
| CN109713879A (en) * | 2018-12-10 | 2019-05-03 | 中车永济电机有限公司 | A kind of multi-functional power supply and driving device of band shielding |
| CN115632642B (en) * | 2022-12-21 | 2023-03-10 | 杭州飞仕得科技股份有限公司 | IGBT turn-off voltage spike suppression circuit and related equipment |
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2011
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| CN101976957A (en) * | 2010-10-18 | 2011-02-16 | 中国北车股份有限公司大连电力牵引研发中心 | Four-quadrant converter circuit and control method thereof |
| CN102163926A (en) * | 2010-12-31 | 2011-08-24 | 中电普瑞科技有限公司 | High-power converter based on parallel IGBT (Insulated Gate Bipolar Transistor) modules |
Non-Patent Citations (1)
| Title |
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| 一种光纤传导的大功率IGBT驱动电路的设计;戴珂等;《通信电源技术》;20110525;第28卷(第3期);第1-3页 * |
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| CN103138601A (en) | 2013-06-05 |
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