CN204271887U - A kind of large power, electrically active power converter - Google Patents
A kind of large power, electrically active power converter Download PDFInfo
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- CN204271887U CN204271887U CN201420773267.XU CN201420773267U CN204271887U CN 204271887 U CN204271887 U CN 204271887U CN 201420773267 U CN201420773267 U CN 201420773267U CN 204271887 U CN204271887 U CN 204271887U
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Abstract
The utility model discloses a kind of large power, electrically active power converter, relates to a kind of high power converter based on IGBT device.This converter comprises stack bus bar (1), IGBT(2), export busbar (3), drive circuit (4), photoelectric switching circuit (5), RCD circuit (6), cooled plate (7), storage capacitor (8), described stack bus bar (1) connects outside rectifier power source, be responsible for energy acceptance and pass to IGBT(2), storage capacitor (8) is just arranged on stack bus bar (1); Export busbar (3) be connected to IGBT(2) output; The control section that drive circuit (4) and photoelectric switching circuit (5) are converter, control IGBT(2) open and shutoff, IGBT(2) be installed in cooled plate (7), drive circuit (4) is welded on IGBT(2) on.This converter has saves power supply production time and production cost, improves the effect of product reliability.
Description
Technical field
The utility model relates to power inverter, particularly relates to the high power converter based on IGBT device, realizes big current DC/DC and converts, belong to power electronic technology, electric drive field, specifically a kind of large power, electrically active power converter.
Background technology
Recently for over ten years, scientific research is flourish with large-scale accelerator, and the high-speed ion beam treatment cancer technology developed thus has also been successfully applied to clinical, and large-scale accelerator art realizes civilian; This type of accelerator needs a large amount of high accuracy, high reliability, Large Copacity power supply, and this type of power supply is all non-standard equipment, and output current is indefinite to a few kiloampere from tens amperes, and output voltage is indefinite to a few kilovolt from 1 volt, needs to make to measure; A distinguishing feature of non-standard equipment designs exactly, the production cycle is long, and cost is high; Power conversion fraction is the core of power supply, and its standardization can be reduced design difficulty greatly, shortens the manufacturing cycle, and can ensure the quality of products, and improves reliability.
Summary of the invention
The utility model proposes a kind of large power, electrically active power converter, by the various combination of module, realize multiple holder and foretell structure, can also realize exporting big current low-voltage, small area analysis high voltage, big current high voltage; And direct current, alternating current output.
For achieving the above object, a kind of large power, electrically active power converter described in the utility model, comprise stack bus bar (1), IGBT(2), export busbar (3), drive circuit (4), photoelectric switching circuit (5), RCD circuit (6), cooled plate (7), storage capacitor (8), it is characterized in that: stack bus bar (1) connects outside rectifier power source, be responsible for energy acceptance and pass to IGBT(2), storage capacitor (8) is just arranged on stack bus bar (1); Export busbar (3) be connected to IGBT(2) output; The control section that drive circuit (4) and photoelectric switching circuit (5) are converter, control IGBT(2) open and shutoff, IGBT(2) be installed in cooled plate (7), drive circuit (4) is welded on IGBT(2) on.
Described stack bus bar (1) is fixed on module upper bracket (16) by stack bus bar fixture (12), stack bus bar (1) bears (13) by stack bus bar, just (14), positive and negative stack bus bar insulating part (15) form stack bus bar, stack bus bar (1) connects external dc power, be responsible for energy acceptance and pass to IGBT(2), storage capacitor (8) is just arranged on stack bus bar (1), plays storage power, suppresses the effect of input voltage fluctuation; Export busbar (3) be connected to IGBT(2) output, be responsible for energy is sent converter, it is the terminal of whole converter.
The control section that described drive circuit (4) and photoelectric switching circuit (5) are converter, the light pulse signal that photoelectric switching circuit (5) is responsible for controller to send converts electric impulse signal to, this signal of telecommunication send into drive circuit (4), drive circuit (4) converts the voltage signal that photoelectric switching circuit (5) is sent into the electric pulse of 5A-32A load capacity to control IGBT(2) open and shutoff.
Described RCD circuit (6) is made up of resistance R, electric capacity C and diode D; Described R, D are arranged on water-filled radiator (7), and C is arranged on RCD circuit board (17), and RCD circuit board (17) is crimped on RCD element (20), for absorbing IGBT(2) due to voltage spikes that produces when working; IGBT(2) be arranged on water-filled radiator (7) with heat radiation, water-filled radiator (7) is also provided with module overheating protective element (21), to ensure IGBT(2) proper heat reduction.IGBT(2) be the core devices of whole converter, other components and parts and circuit are all be IGBT(2) work offer help.
Described stack bus bar (1) is connected with altogether 9 450V6800uF electrochemical capacitors (9); Drive circuit (4) and photoelectric switching circuit (5), the drive singal that controller is sent from light signal be converted to the signal of telecommunication send into IGBT drive plate (18) so that controls IGBT(2) turn on and off, module with which kind of work pattern thus drive singal decision.
Described output busbar (3) is power output part, is a busbar for buck.
Described output busbar (3) is power output part, for being two busbars during two buck and H bridge, being respectively output busbar+(23) and exporting busbar-(24).
Described IGBT(2) by optical fiber, controller signals is delivered to photoelectric conversion plate (19), on photoelectric conversion plate, (19) have 20 needle sockets, by 20 pin flat cables, driving pulse are delivered to IGBT drive plate (18) and work to drive IGBT (2).
The connector of described output busbar (3) is provided with and exports magnet ring group (22).
Practical function one illustrates:
1. pair buck pattern a: module just can with two buck work pattern, maximum output DC600A400V; As need export larger voltage export time, by 2 or more block coupled in series, realize more high voltage and export; If need more High-current output, 2 IGBT parallel connection used, such power model, only as a brachium pontis, increases a same power model as another brachium pontis, realizes DC1000A output;
2.H bridge mode a: power model is exactly a complete H bridge, realizes single-phase 220V and exchanges output; To connect more power model to every phase brachium pontis, recomposition three-phase inverting circuit, realizes higher three-phase alternating voltage and exports;
3.H bridge mode changes buck pattern into: only retain 1 IGBT, exports busbar and is replaced by corresponding output busbar;
4. operation principle introduction: external dc power is by stack bus bar access power module, and electrochemical capacitor is to input power energy storage and filtering, and the energy that stack bus bar is sent here by IGBT exports output busbar to by the mode of PWM, then delivers to load; Power control system is foretold structure for different holders and is sent corresponding control signal, photoelectric switching circuit delivered to by this signal optical fiber, photoelectric switching circuit delivers to IGBT drive circuit in the mode of the signal of telecommunication again, drive circuit control IGBT opens and shutoff, thus the intention of control system is converted to the high-power output meeting instructions for use.
Practical function two illustrates:
1.buck: single power model exports DC600A, when needs big current, by pipe mode also, water-filled radiator has 2 IGBT installation sites, namely an IGBT is increased and corresponding RCD circuit can realize at water-filled radiator, now 2 IGBT module are used as an IGBT module to treat, capacity is larger, maximum exportable DC1000A;
2. when need more big current time, pipe and the multiple parallel connection of power model, realize more High-current output;
3.buck pattern transfers H bridge mode to: increase by 1 IGBT and drive plate thereof at water-filled radiator, RCD absorbing circuit, mixes corresponding output busbar.
A kind of large power, electrically active power converter described in the utility model, its beneficial effect is: by nonstandard power converter part of standards, reduce nonstandard Power Management Design, production difficulty, improve efficiency and reliability, multimode combination is realized big current low-voltage, small area analysis high voltage, the output of big current high voltage; Direct current can be realized, exchange output; Power supply production time and production cost have been saved in this design greatly, create considerable economic benefit, can be widely used in as accelerator driven sub-critical system, electroplating power supply and metallurgical power supply etc.
Accompanying drawing explanation
In order to the utility model embodiment or technical scheme of the prior art are clearly described, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only one of them embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model two IGBT complete power module diagrams;
In figure: 1-stack bus bar, 2-IGBT, 3-export busbar, 4-drive circuit, 5-photoelectric switching circuit, 6-RCD circuit, 7-water-filled radiator, 8-storage capacitor;
Fig. 2 is that electrochemical capacitor is contained in inside modules schematic diagram;
In figure: 9-electrochemical capacitor, 10-export busbar fixture, 11-module lower carriage;
Fig. 3 is that stack bus bar is arranged on schematic diagram on module carrier;
In figure: 12-stack bus bar fixture, 13-stack bus bar are negative, 14-stack bus bar just, the positive and negative stack bus bar insulating part of 15-, 16-module upper bracket;
Fig. 4 is IGBT and drive circuit, water-filled radiator, RCD circuit scheme of installation;
In figure: 17-RCD circuit board, 18-IGBT drive plate, 19-photoelectric conversion plate, 20-RCD element, 21-module overheating protective element;
Fig. 5 is that buck exports busbar schematic diagram;
In figure: 22-exports magnet ring group;
Fig. 6 is that H bridge exports busbar schematic diagram;
In figure: 23-export busbar+, 24-export busbar-;
Fig. 7 is the utility model single IGBT complete power module diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only one of them embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
A kind of large power, electrically active power converter, comprise stack bus bar (1), IGBT(2), export busbar (3), drive circuit (4), photoelectric switching circuit (5), RCD circuit (6), water-filled radiator (7), storage capacitor (8), wherein stack bus bar (1) connects external dc power, be responsible for energy acceptance and pass to IGBT(2), storage capacitor (8) is just arranged on stack bus bar (1); Export busbar (3) be connected to IGBT(2) output; The control section that drive circuit (4) and photoelectric switching circuit (5) are converter, control IGBT(2) open and shutoff, IGBT(2) be installed on water-filled radiator (7), drive circuit (4) is welded on IGBT(2) on; Stack bus bar (1) is fixed on module upper bracket (16) by stack bus bar fixture (12), stack bus bar (1) bears (13) by stack bus bar, just (14), positive and negative stack bus bar insulating part (15) form stack bus bar, stack bus bar (1) connects external dc power, be responsible for energy acceptance and pass to IGBT(2), storage capacitor (8) is just arranged on stack bus bar (1), plays storage power, suppresses the effect of input voltage fluctuation; Export busbar (3) be connected to IGBT(2) output, be responsible for energy is sent converter, it is the terminal of whole converter; The control section that drive circuit (4) and photoelectric switching circuit (5) are converter, the light pulse signal that photoelectric switching circuit (5) is responsible for controller to send converts electric impulse signal to, this signal of telecommunication send into drive circuit (4), drive circuit (4) converts the voltage signal that photoelectric switching circuit (5) is sent into+the 15V ,-9V electric pulse of larger load capacity to control IGBT(2) open and shutoff; RCD circuit (6) is made up of resistance R, electric capacity C and diode D; Described R, D are arranged on water-filled radiator (7), and C is arranged on RCD circuit board (17), and RCD circuit board (17) is crimped on RCD element (20), for absorbing IGBT(2) due to voltage spikes that produces when working; IGBT(2) be arranged on water-filled radiator (7) with heat radiation, water-filled radiator (7) is also provided with module overheating protective element (21), to ensure IGBT(2) proper heat reduction.IGBT(2) be the core devices of whole converter, other components and parts and circuit are all be IGBT(2) work offer help; Stack bus bar (1) connects altogether 9 450V6800uF electrochemical capacitors (9); Drive circuit (4) and photoelectric switching circuit (5), the drive singal that controller is sent from light signal be converted to the signal of telecommunication send into IGBT drive plate (18) so that controls IGBT(2) turn on and off, module with which kind of work pattern thus drive singal decision; Exporting busbar (3) is power output part, is respectively output busbar+(23) and exports busbar-(24); IGBT(2) by optical fiber, controller signals is delivered to photoelectric conversion plate (19), on photoelectric conversion plate, (19) have 20 needle sockets, by 20 pin flat cables, driving pulse are delivered to IGBT drive plate (18) and work to drive IGBT (2); The connector of output busbar (3) is provided with and exports magnet ring group (22).
During two buck pattern: export busbar (3) as accompanying drawing 6, a module just can with two buck work pattern, maximum output DC600A400V; As need export larger voltage export time, by 2 or more block coupled in series, realize more high voltage and export; If need more High-current output, 2 IGBT parallel connection used, such power model, only as a brachium pontis, increases a same power model as another brachium pontis, realizes DC1000A output.
Embodiment 2
During H bridge mode: export busbar (3) as accompanying drawing 6, remaining component is with embodiment 1, and a power model is exactly a complete H bridge, realize single-phase 220V and exchange output; To connect more power model to every phase brachium pontis, many brachium pontis composition three-phase inverting circuits, realize the output of higher three-phase alternating voltage.
Embodiment 3
When H bridge mode changes buck pattern into: export busbar and see Fig. 5, remaining component, with embodiment 1, only stays 1 IGBT and respective drive plates.
Embodiment 4
1. export busbar and see Fig. 5, remaining component is with embodiment 1;
2.buck: single power model can export DC600A, when needs big current, by pipe mode also, namely an IGBT is increased at water-filled radiator right side blank place and corresponding RCD circuit can realize, now 2 IGBT module are used as an IGBT module to treat, capacity is larger, maximum exportable DC1000A;
3. when need more big current time, pipe and the multiple parallel connection of power model, realize electric current export.
Embodiment 5
When 1.buck pattern transfers H bridge mode to: export busbar and see Fig. 6, remaining component is with embodiment 1; At upper increase by 1 IGBT of water-filled radiator (7) and drive plate thereof and RCD absorbing circuit.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. a large power, electrically active power converter, comprise stack bus bar (1), IGBT(2), export busbar (3), drive circuit (4), photoelectric switching circuit (5), RCD circuit (6), cooled plate (7), storage capacitor (8), it is characterized in that: described stack bus bar (1) connects outside rectifier power source, storage capacitor (8) is arranged on stack bus bar (1); Export busbar (3) be connected to IGBT(2) output; The control section that drive circuit (4) and photoelectric switching circuit (5) are converter, control IGBT(2) open and shutoff, IGBT(2) be installed in cooled plate (7), drive circuit (4) is welded on IGBT(2) on.
2. a kind of large power, electrically active power converter as claimed in claim 1, it is characterized in that: described stack bus bar (1) is fixed on module upper bracket (16) by stack bus bar fixture (12), stack bus bar (1) by stack bus bar negative (13), stack bus bar just (14), positive and negative stack bus bar insulating part (15) form, output busbar (3) is connected to IGBT(2) output.
3. a kind of large power, electrically active power converter as claimed in claim 1, is characterized in that: described RCD circuit (6) is made up of resistance R, electric capacity C and diode D; Described RD is arranged on cold water plate (7), and C is arranged on RCD circuit board (17), and RCD circuit board (17) is crimped on RCD element (20), for absorbing IGBT(2) due to voltage spikes that produces when working; IGBT(2) be arranged in cooled plate (7); Cooled plate (7) is also provided with module overheating protective element (21).
4. a kind of large power, electrically active power converter as claimed in claim 1, is characterized in that: described stack bus bar (1) connects altogether 9 450V6800uF electrochemical capacitors (9).
5. a kind of large power, electrically active power converter as claimed in claim 1, it is characterized in that: described output busbar (3) is power output part, is a busbar for buck.
6. a kind of large power, electrically active power converter as claimed in claim 1, is characterized in that: described output busbar (3) is power output part, for being two busbars during two buck and H bridge, being respectively output busbar+(23) and exporting busbar-(24).
7. a kind of large power, electrically active power converter as claimed in claim 1, is characterized in that: the connector of described output busbar (3) is provided with and exports magnet ring group (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420773267.XU CN204271887U (en) | 2014-12-10 | 2014-12-10 | A kind of large power, electrically active power converter |
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| CN201420773267.XU CN204271887U (en) | 2014-12-10 | 2014-12-10 | A kind of large power, electrically active power converter |
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| CN204271887U true CN204271887U (en) | 2015-04-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280352A (en) * | 2015-10-16 | 2016-01-27 | 苏州腾冉电气设备股份有限公司 | Water-cooled reactor with side plates |
| CN105763076A (en) * | 2016-05-12 | 2016-07-13 | 江苏力普电子科技有限公司 | Water-cooling type power unit |
| CN106301005A (en) * | 2016-08-26 | 2017-01-04 | 思源清能电气电子有限公司 | The high-power chain link module of SVG based on blocking framework |
| CN106549584A (en) * | 2016-12-26 | 2017-03-29 | 北京金风科创风电设备有限公司 | Power module of wind power converter |
| CN106655716A (en) * | 2016-11-11 | 2017-05-10 | 天水电气传动研究所有限责任公司 | SiC-based water-cooled high-power braking unit |
| CN108494264A (en) * | 2018-05-30 | 2018-09-04 | 西安中车永电电气有限公司 | A kind of highly integrated light-weighted power device |
| CN109412399A (en) * | 2018-11-16 | 2019-03-01 | 天水电气传动研究所有限责任公司 | A kind of high-power water-cooling overvoltage protection and let out can device |
-
2014
- 2014-12-10 CN CN201420773267.XU patent/CN204271887U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280352A (en) * | 2015-10-16 | 2016-01-27 | 苏州腾冉电气设备股份有限公司 | Water-cooled reactor with side plates |
| CN105763076A (en) * | 2016-05-12 | 2016-07-13 | 江苏力普电子科技有限公司 | Water-cooling type power unit |
| CN106301005A (en) * | 2016-08-26 | 2017-01-04 | 思源清能电气电子有限公司 | The high-power chain link module of SVG based on blocking framework |
| CN106655716A (en) * | 2016-11-11 | 2017-05-10 | 天水电气传动研究所有限责任公司 | SiC-based water-cooled high-power braking unit |
| CN106549584A (en) * | 2016-12-26 | 2017-03-29 | 北京金风科创风电设备有限公司 | Power module of wind power converter |
| CN108494264A (en) * | 2018-05-30 | 2018-09-04 | 西安中车永电电气有限公司 | A kind of highly integrated light-weighted power device |
| CN109412399A (en) * | 2018-11-16 | 2019-03-01 | 天水电气传动研究所有限责任公司 | A kind of high-power water-cooling overvoltage protection and let out can device |
| CN109412399B (en) * | 2018-11-16 | 2024-03-15 | 天水电气传动研究所集团有限公司 | High-power water-cooling overvoltage protection and energy release device |
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