CN105490245A - IGBT (insulated gate bipolar transistor) based bidirectional solid-state switch and switching method therefor - Google Patents
IGBT (insulated gate bipolar transistor) based bidirectional solid-state switch and switching method therefor Download PDFInfo
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- CN105490245A CN105490245A CN201511033092.4A CN201511033092A CN105490245A CN 105490245 A CN105490245 A CN 105490245A CN 201511033092 A CN201511033092 A CN 201511033092A CN 105490245 A CN105490245 A CN 105490245A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08148—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in composite switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
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Abstract
The invention relates to an IGBT (insulated gate bipolar transistor) based bidirectional solid-state switch and a switching method therefor. The bidirectional solid-state switch comprises an IGBT module turn-off absorption circuit, an IGBT module main circuit, an IGBT driving module and a matched control system that are connected in sequence, wherein the IGBT module main circuit comprises at least a pair of IGBT modules connected in series reversely to form a bidirectional through-flow circuit; and the two ends of the circuit are the two terminals of the bidirectional solid-state switch. The IGBT based bidirectional solid-state switch is a solid-state direct current switch device with a bidirectional through-flow function; and in addition, the IGBT based bidirectional solid-state switch has good thermal dissipation function and driving function, and a perfect protection function.
Description
Technical field
The invention belongs to electric and electronic technical field, be specifically related to a kind of topology based on the two-way solid-state switch technology of IGBT (InsulatedGateBipolarTransistor, insulated gate bipolar transistor), and method of switching.
Background technology
Along with the development of multiterminal element power transmission and distribution technology and the continuous increase of modern power systems capacity, electric power system is once the fault that is short-circuited, short circuit current will increase to rapidly more than the maximum that power electronic device can bear, thus causes whole electric power system to damage largely.DC circuit breaker is as the switchgear carrying DC operation branch road normal current and various fault current; the reliability of direct-flow distribution system can be improved; also be that direct current is defeated, power distribution network runs, the basis of control and protection; become the key equipment of system safety operation and protection, expanded preventing fault coverage and have great significance.The overvoltage problem that direct current produces because of arc extinguishing problem, the turn off process not having zero crossing to bring and energy absorption problem bring great difficulty to development high-voltage large-capacity DC circuit breaker, DC circuit breaker becomes one of technical bottleneck of restriction direct current network research and apply, is the focus of difficult point in direct current power system and concern always.
Conventional mechanical chopper, by the restriction of himself physical mechanism, can produce electric arc when its dynamic and static contact separates, extend the mute time of fault current, often needs tens of and even up to a hundred milliseconds time could point deenergizing.Because the direct-current system short-circuit current rate of climb is very fast, thus not only effective inhibitory action can not be played to short circuit current, and peak value of short may exceed the limit pitch capability of circuit breaker, cause circuit breaker cannot disjunction, bring destructive harm to whole system.
Compared with traditional mechanical chopper, the solid circuit breaker based on power semiconductor has without electric arc, quick, accurate and reliable interrupting performance, and application prospect is boundless.
The more DC solid circuit breaker of current research has " current-limiting type " and " direct disjunction type " two kinds of fundamental types, respectively see Fig. 1 and Fig. 2.Current-limiting type solid circuit breaker is turned off main thyristor by LC forced commutation circuit, thus realizes the disjunction of short-circuit current.Because the parameter designing of lc circuit and the cut-off current value of main thyristor are closely related, cause can the lc circuit parameter of normal disjunction short-circuit current cannot the disjunction of completion system small area analysis fast.The parameter of lc circuit determines main thyristor electric current is in addition reverse voltage duration after zero, in order to the reliable turn-off providing enough back-pressure duration to realize main thyristor, need to reduce cut-off current, or increase the initial energy storage capacity of electric capacity, this can cause circuit breaker breaking capacity to reduce, or makes its volume become large.And directly disjunction type solid circuit breaker utilizes Turn-off semiconductor device to realize the quick disjunction of short circuit current, when device connection in series-parallel is applied, be difficult to the disjunction reliably completing fault big current, hinder circuit breaker further developing to high-voltage great-current direction.
Summary of the invention
The object of the present invention is to provide a kind of can realize DC bus open shutoff, there is the solid-state direct-current switchgear of two-way through-current capability.
For this reason, a kind of two-way solid-state switch based on IGBT that the present invention proposes, it is characterized in that comprising the IGBT module connected successively turns off absorption circuit, IGBT module major loop, IGBT drive module and supporting control system, described IGBT module major loop comprises the IGBT module of at least one pair of differential concatenation, form two-way and flow back to road, the two ends in loop are two terminals of two-way solid-state switch.
Preferably, the present invention also can comprise following feature:
The supporting control system 4 of described module includes accessory power supply, realizes the fiber optic distribution panels of control mode and software control module thereof, and described accessory power supply adopts Switching Power Supply to power to the driver module of control system and every phase IGBT; Fiber optic distribution panels is connected to 2 IGBT module of differential concatenation by IGBT drive module (3).
Described fiber optic distribution panels, utilizes FPGA to control as core, transfers and distribute input/output signal.
IGBT drive module (3) is integrated in the base of described fiber optic distribution panels, forms integrated driving base.
For the triggering signal of optical fiber input, transfer into two-way output drive signal through two drivers, then be connected to 2 IGBT module of differential concatenation by driver; For output status signal, it is a road signal that the master controller FPGA coding of the status signal that two route driver modules return on fiber optic distribution panels gathers, then sends two external piloting control devices to through upconversion fiber output.
Described fiber optic distribution panels is also integrated with mailing address and arranges function, manual pushbutton functional module; And controlled to cut-off signal by FPGA, export the start and stop controlling cooling fan through light coupling relay.
Described manual pushbutton comprises reset button, inspection button and manual control button; After protection system order circuit breaker trip, circuit breaker can not accept to open order again, at this moment needs central controller to send reset command, circuit breaker just can be made can to accept to open order, and the hand push button simultaneously solid-state switch had can carry out hand-reset control; " inspection button ", namely under inspecting state, circuit breaker does not accept any Long-distance Control, can only Non-follow control; Under inspecting state, if need the break-make controlling solid-state switch, then hand push button is utilized to control.
Described IGBT module turns off absorption circuit (1) and comprises RC shutoff absorption circuit and peak surge absorbing circuit (MOV); Described RC turns off absorption circuit and selects noninductive electric capacity and noninductive resistance series connection to realize.
Described IGBT drive module (3) adopts the driver with active-clamp function, and driving bedplate and fiber optic distribution panels is designed to one.
The present invention also comprises a kind of method of switching of the two-way solid-state switch based on IGBT, it is characterized in that comprising the steps: two of differential concatenation IGBT pipe accesses to need in the circuit of switch control rule; Utilize the two-way through-current capability of two of differential concatenation IGBT pipes, control two on/off flowed to by the ON/OFF controlling two IGBT pipes; When turning off, utilization can cushion in rapid endergonic RC loop, until MOV breakdown after, utilize peak surge absorbing circuit (MOV) to absorb and protection formed to two IGBT pipes.
The invention has the advantages that: two IGBT pipes of differential concatenation have two-way through-current capability, in IGBT module major loop, two IGBT path directions are contrary, and the ON/OFF by two IGBT controls two on/off flowed to.
In preferred versions more of the present invention, also tool has the following advantages: have good heat sinking function, drive function and perfect defencive function.
Accompanying drawing explanation
Fig. 1 is existing " current-limiting type " DC solid circuit breaker schematic diagram in the art.
Fig. 2 is " direct disjunction type " DC solid circuit breaker schematic diagram in prior art.
Fig. 3 is embodiment of the present invention system configuration principle schematic.
Fig. 4 is embodiment of the present invention fiber optic distribution panels control block diagram.
Fig. 5 is embodiment of the present invention software flow pattern.
Embodiment
The two-way solid-state switch based on IGBT of the embodiment of the present invention, primarily of solid-state switch module and supporting control system two parts composition thereof.As shown in Figure 3.
The formation of described solid-state switch module includes IGBT module and turns off absorption circuit 1, IGBT module major loop 2 and IGBT drive module 3;
The supporting control system 4 of described module includes accessory power supply (i.e. " Switching Power Supply " in figure), realizes fiber optic distribution panels and the software control module thereof of control mode;
Described IGBT module turns off absorption circuit 1, each module is all designed with RC and turns off absorption circuit and peak surge absorbing circuit (MOV), because MOV exists response time delay, can not puncture completely at shutdown moment MOV at once and form protection, therefore RC loop is needed to absorb rapidly, for RC loop, noninductive electric capacity and noninductive resistance series connection is selected to realize;
Described IGBT module major loop 2 includes the IGBT module of a pair differential concatenation, forms two-way and flows back to road.IGBT module can select Fuji 2MBI200VH-170-50, and this module is packaged with two IGBT pipes with half-bridge topology.Use two these model IGBT module in practical application, when a pair IGBT pipe of wherein differential concatenation damages, other two IGBT manage replaceable use; (each module package has two IGBT pipe, and two IGBT module form the IGBT pipe of two pairs of differential concatenations altogether, only uses wherein a pair, so only draw a pair in figure during use).
Described IGBT drive module 3 adopt there is active-clamp function Bronze Swords science and technology 2QD0108T17 ?c drive, drivings bedplate and fiber optic distribution panels are designed to integrally, driver directly can be inserted on driving base and use;
The accessory power supply of described module control system 4 adopts Switching Power Supply to power to the driver module of control system and every phase IGBT.Select power supply to be 220VAC/24VDC Switching Power Supply, input and output are withstand voltage 3kV, in conjunction with actuator power and power of fan, Switching Power Supply power is not less than 50W;
Described fiber optic distribution panels, utilizes FPGA (Spartan-6XC6SLX9) to control as core, transfers and distribute input/output signal, and integrated driving base functions, wherein:
1) for the triggering signal of optical fiber input, transfer into two-way output drive signal through two drivers, then be connected to 2 IGBT module of differential concatenation by driver.
2) for output status signal, it is a road signal that the master controller FPGA coding of the status signal that two route driver modules return on fiber optic distribution panels gathers, export through upconversion fiber again and send two external piloting control devices (be belong to outside master controller, do not draw in figure) to.
Ensure that external interface is 2 enter 2 and go out four road optical fiber like this, meanwhile, controlled to cut-off signal by FPGA, export the start and stop controlling cooling fan through light coupling relay.In addition, fiber optic distribution panels is also integrated with mailing address and arranges function, manual pushbutton (reset button, inspection button and manual control button) function.
The concrete control block diagram of fibre optic plate is illustrated in fig. 4 shown below.
Described mailing address arranges function, can be set the mailing address of each solid-state switch module by toggle switch.Altogether 10 toggle switchs can form 10 binary codings, maximumly can set 1024 mailing addresses.
Described manual pushbutton function, is respectively reset button, inspection button and manual control button.Their control logic relationship description is as follows:
After protection system order circuit breaker trip, circuit breaker can not accept to open order again, at this moment needs central controller to send reset command, circuit breaker just can be made can to accept to open order.Solid-state switch there is a hand push button simultaneously, can hand-reset control be carried out; Solid-state switch has " inspection button ", namely under inspecting state, circuit breaker does not accept any Long-distance Control, can only Non-follow control; Under inspecting state, if need the break-make controlling solid-state switch, then hand push button is utilized to control.
Described software-controlled manner, flow chart as shown in Figure 5.
The advantage of the above embodiment of the present invention is:
1, topological structure is simply novel: the present invention's topology belongs to the one of direct disjunction type, can be two-way through-flow;
2, DC Line Fault big current can be cut off without arc fast: the service time of IGBT used in the present invention and turn-off time less than 100 nanoseconds, compared to mechanical type circuit breaker up to a hundred milliseconds turn-off time be fastish; The switch of IGBT does not have the closed separation of dynamic/static contact, so can not produce electric arc; The specified on state current of IGBT used in the present invention is 200A, so effectively can turn off the electric current of below 200A.
3, have two-way through-current capability: two IGBT pipes of differential concatenation have two-way through-current capability, in the IGBT module major loop 2 of Fig. 3, T1, D2 path is contrary with T2, D1 path direction, and the ON/OFF by T1 or T2 controls two on/off flowed to.
4, control mode variation: both carry out Long-distance Control by fiber-optic signal and also carry out Non-follow control by manual pushbutton.
5, integrated level is high: fiber optic distribution panels is integrated with control system, drives base functions, mailing address to arrange function, manual pushbutton function etc.
6, IGBT shutoff overvoltage is reliably clamped: IGBT driver used in the present invention coordinates the driving base be integrated on fiber optic distribution panels, has perfect IGBT over-voltage protecting function, includes active-clamp function and short-circuit protection function.
7, energy absorption is turned off rapid: turn off in absorption circuit in IGBT module, owing to there is response time delay at IGBT shutdown moment MOV, so need to cushion in rapid endergonic RC loop, until the breakdown formation protection of MOV.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent device or equivalent method conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the two-way solid-state switch based on IGBT, it is characterized in that comprising the IGBT module connected successively turns off absorption circuit (1), IGBT module major loop (2), IGBT drive module (3) and supporting control system (4), described IGBT module major loop (2) comprises the IGBT module of at least one pair of differential concatenation, form two-way and flow back to road, the two ends in loop are two terminals of two-way solid-state switch.
2. as claimed in claim 1 based on the two-way solid-state switch of IGBT, it is characterized in that: the supporting control system 4 of described module includes accessory power supply, realizes the fiber optic distribution panels of control mode and software control module thereof, described accessory power supply adopts Switching Power Supply to power to the driver module of control system and each IGBT; Fiber optic distribution panels is connected to 2 IGBT module of differential concatenation by IGBT drive module (3).
3., as claimed in claim 2 based on the two-way solid-state switch of IGBT, it is characterized in that: described fiber optic distribution panels, utilize FPGA to control as core, input/output signal is transferred and distributes.
4. as claimed in claim 3 based on the two-way solid-state switch of IGBT, it is characterized in that: IGBT drive module (3) is integrated in the base of described fiber optic distribution panels, form integrated driving base.
5. as claimed in claim 3 based on the two-way solid-state switch of IGBT, it is characterized in that: for the triggering signal of optical fiber input, transfer into two-way output drive signal through two drivers, then be connected to 2 IGBT module of differential concatenation by driver; For output status signal, it is a road signal that the master controller FPGA coding of the status signal that two route driver modules return on fiber optic distribution panels gathers, then sends two external piloting control devices to through upconversion fiber output.
6., as claimed in claim 3 based on the two-way solid-state switch of IGBT, it is characterized in that: described fiber optic distribution panels is also integrated with mailing address and arranges function, manual pushbutton functional module; And controlled to cut-off signal by FPGA, export the start and stop controlling cooling fan through light coupling relay.
7., as claimed in claim 1 based on the two-way solid-state switch of IGBT, it is characterized in that: described manual pushbutton comprises reset button, inspection button and manual control button; After protection system order circuit breaker trip, circuit breaker can not accept to open order again, at this moment needs central controller to send reset command, circuit breaker just can be made can to accept to open order, and the hand push button simultaneously solid-state switch had can carry out hand-reset control; " inspection button ", namely under inspecting state, circuit breaker does not accept any Long-distance Control, can only Non-follow control; Under inspecting state, if need the break-make controlling solid-state switch, then hand push button is utilized to control.
8. as claimed in claim 1 based on the two-way solid-state switch of IGBT, it is characterized in that: described IGBT module turns off absorption circuit (1) and comprises RC shutoff absorption circuit and peak surge absorbing circuit (MOV); Described RC turns off absorption circuit and selects noninductive electric capacity and noninductive resistance series connection to realize.
9. as claimed in claim 2 based on the two-way solid-state switch of IGBT, it is characterized in that: described IGBT drive module (3) adopts the driver with active-clamp function, and driving bedplate and fiber optic distribution panels are designed to one.
10., based on two-way solid-state switch and a method of switching thereof of IGBT, it is characterized in that comprising the steps:
Two of differential concatenation IGBT pipe accesses are needed in the circuit of switch control rule;
Utilize the two-way through-current capability of two of differential concatenation IGBT pipes, control two on/off flowed to by the ON/OFF controlling two IGBT pipes;
When turning off, utilization can cushion in rapid endergonic RC loop, until MOV breakdown after, utilize peak surge absorbing circuit (MOV) to absorb and protection formed to two IGBT pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033092.4A CN105490245A (en) | 2015-12-31 | 2015-12-31 | IGBT (insulated gate bipolar transistor) based bidirectional solid-state switch and switching method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511033092.4A CN105490245A (en) | 2015-12-31 | 2015-12-31 | IGBT (insulated gate bipolar transistor) based bidirectional solid-state switch and switching method therefor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107592103A (en) * | 2017-09-20 | 2018-01-16 | 全球能源互联网研究院 | A kind of Microsecond grade electronic switching device |
| CN107959988A (en) * | 2016-10-17 | 2018-04-24 | 佛山市顺德区美的电热电器制造有限公司 | Drive circuit and cooking apparatus |
| CN111566885A (en) * | 2017-11-06 | 2020-08-21 | 德恩塞两合公司 | Circuit arrangement for combined protection of loads against temporary and transient overvoltages |
| CN112821372A (en) * | 2021-03-12 | 2021-05-18 | 南京航空航天大学 | Forward feedback type absorption circuit for improving efficiency of direct-current solid-state circuit breaker |
| CN112994150A (en) * | 2021-02-05 | 2021-06-18 | 北京四方继保自动化股份有限公司 | Overcurrent and overvoltage fault protection system and method for V2G charging pile |
| CN114629098A (en) * | 2022-02-23 | 2022-06-14 | 中国科学院电工研究所 | Solid-state switch based on sectional type gapless lightning arrester and utilization rate improving method thereof |
| CN114884495A (en) * | 2022-07-06 | 2022-08-09 | 中国科学院电工研究所 | Solid-state switch based on semiconductor module and semiconductor module utilization rate improving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959988A (en) * | 2016-10-17 | 2018-04-24 | 佛山市顺德区美的电热电器制造有限公司 | Drive circuit and cooking apparatus |
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| CN112994150A (en) * | 2021-02-05 | 2021-06-18 | 北京四方继保自动化股份有限公司 | Overcurrent and overvoltage fault protection system and method for V2G charging pile |
| CN112821372A (en) * | 2021-03-12 | 2021-05-18 | 南京航空航天大学 | Forward feedback type absorption circuit for improving efficiency of direct-current solid-state circuit breaker |
| CN112821372B (en) * | 2021-03-12 | 2022-05-31 | 南京航空航天大学 | Forward feedback type absorption circuit for improving efficiency of direct-current solid-state circuit breaker |
| CN114629098A (en) * | 2022-02-23 | 2022-06-14 | 中国科学院电工研究所 | Solid-state switch based on sectional type gapless lightning arrester and utilization rate improving method thereof |
| CN114629098B (en) * | 2022-02-23 | 2022-11-11 | 中国科学院电工研究所 | Solid-state switch based on sectional type gapless lightning arrester and utilization rate improving method thereof |
| CN114884495A (en) * | 2022-07-06 | 2022-08-09 | 中国科学院电工研究所 | Solid-state switch based on semiconductor module and semiconductor module utilization rate improving method |
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Effective date of registration: 20170426 Address after: 266041 Shandong, Licang, Chongqing District, No. 217 Middle Road, room, No. 301 Applicant after: Qingdao bronze sword Electronic Technology Co., Ltd. Address before: 518057 Guangdong province Shenzhen city Nanshan District high tech park, North Song Ping Road No. 1 Lite Technology Building South 11 floor Applicant before: SHENZHEN BRONZE TECHNOLOGIES LTD. |
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Application publication date: 20160413 |