CN102624205B - Power module of converter - Google Patents
Power module of converter Download PDFInfo
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- CN102624205B CN102624205B CN201210109947.7A CN201210109947A CN102624205B CN 102624205 B CN102624205 B CN 102624205B CN 201210109947 A CN201210109947 A CN 201210109947A CN 102624205 B CN102624205 B CN 102624205B
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Abstract
The invention discloses a power module of a converter. The power module comprises a casing, a radiator, an insulated gate bipolar transistor (IGBT) component, a laminated busbar, an alternating current busbar, a high-voltage support capacitor, a short circuit busbar, a gate drive assembly, a pulse-forming panel, a current sensor, a heat exchanger, and a cooling fan assembly. All parts are installed in the casing in a stacking mode. According to the power module of the converter, the space of an converter cabinet can be saved, and the space utilization rate can be improved; the integration level is high, the usage is facilitated, and the workload of secondary design is greatly reduced; the extensibility is quite good, modules are needed to be arranged parallelly in the converter cabinet when a high capacity is required; and the installation and the maintenance are convenient and rapid.
Description
Technical field
The present invention relates to convertor assembly, particularly a kind of transducer power module.
Background technology
Universal power model is the core cell that frequency converter plays inversion or rectification function, the performance of universal power model has just determined the performance of frequency converter, because the time of using in industrial transmission frequency converter field and develop not is very long, current existing module is transverse module, be that mould accounts for greatlyr to space, application number is that the patent of invention of CN200810000169 discloses a kind of high pressure IGBT current transformer module, for drawer-type structure, comprise radiator, high pressure IGBT element, high pressure low-inductance bus, alternating current bus bar, high pressure support capacitor, high voltage gate drive circuit, gate-drive power supply and control box, each stacking part is arranged in drawer structure.This module is transversary, inconsistent with the structure direction of the frequency-charger cabinet of industrial transmission field, for the frequency-charger cabinet of industrial transmission field, wish performance height and deep space effectively, reduce the occupancy of horizontal space, and the horizontal space that transverse module takies is more, and more difficult when power Seriation Design.The external main circuit interface of frequency converter module is all to adopt busbar perforate to add the frame mode of bolted at present, in the time of in module installs to frequency-charger cabinet, need to adopt copper bar or a large amount of bolted for cable, to installation and maintenance, bring great inconvenience like this, usually in order to keep in repair parts or element, need a lot of other parts of dismounting or element, like this except workload is large, on-site maintenance response speed is slow, and reliability and the bulk life time of returning system bring serious impact.
Summary of the invention
Technical problem to be solved by this invention is, not enough for prior art, and a kind of transducer power module is provided, and meets modern industry transmission frequency converter field and requires the degree of modularity high, maintainable high and power expansion requirement easily.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of transducer power module, comprise housing, radiator, IGBT element, low-inductance bus, alternating current bus bar, high pressure support capacitor, short circuit busbar, gate-drive assembly, pulse forming panel, current sensor, heat exchanger, cooling fan assembly, each stacking part is arranged in housing, and radiator is installed on the housing leftmost side; IGBT element is installed on radiator right side, is evenly arranged in the right surface of radiator; Low-inductance bus is that L shaped, vertical one side is parallel with radiator, is installed on IGBT element right side, and is connected with IGBT element conduction, and the one side of low-inductance bus level is connected with high pressure support capacitor; Alternating current bus bar level is arranged on the right side of low-inductance bus, and a side and IGBT element conduction is connected, and opposite side is connected with short circuit busbar; Gate-drive assembly is installed on alternating current bus bar right side; Pulse forming panel is installed on gate-drive assembly right side; Current sensor is installed on gate-drive assembly and pulse forming panel rear; On the outer surface at housing rear, high current connector is installed, short circuit busbar is connected with high current connector through current sensor, and high current connector is connected with the alternating current circuit of main circuit in frequency-charger cabinet; High pressure support capacitor is arranged on radiator below, and the left surface of high pressure support capacitor and the left surface of radiator are in same aspect; Heat exchanger is installed on high pressure support capacitor below or case top; Cooling fan assembly is installed on case top or bottom; High pressure Support Capacitor right side is provided with conduit assembly, and radiator is connected with heat exchanger by conduit assembly.
Described low-inductance bus is integrated positive and negative conducting copper, separates with insulating barrier between positive and negative conducting copper.
Described gate-drive assembly comprises two blocks of PC plates, assembly skeleton, drive plate mounting bar, and gate-drive assembly is divided into five layers from left to right successively: ground floor is a PC plate; The second layer is assembly skeleton, on assembly skeleton, long threaded rod is installed; The 3rd layer is the 2nd PC plate; The 4th layer is drive plate mounting bar; Layer 5 is drive plate; Long threaded rod passes second to layer 5; Described pulse forming panel is arranged on long threaded rod.
Housing the place ahead is provided with water out adapter and water supply connector, and water out adapter is connected with heat exchanger with radiator respectively by conduit assembly with water supply connector.
Described high current connector is installed on housing by holder, and holder adopts insulating material.
Described radiator right side is provided with discharge resistance, and discharge resistance and IGBT element are in same aspect.
Totally six of described IGBT elements, form a three-phase inversion brachium pontis.
Described housing the place ahead outer surface is provided with optical fiber interface, signal of telecommunication controller plug, indicator light and handle.
Described radiator is water-filled radiator.
A plurality of power models are arranged on side by side and in frequency-charger cabinet, realize power expansion.
The invention provides a kind of power model of vertical strip structure, the space that can save frequency-charger cabinet, improves space availability ratio; Integrated level is high, uses conveniently, and greatly reduces Secondary Design workload; Extensibility is very good, while having large capacity requirement, only need to module is placed in frequency-charger cabinet one by one side by side; Installation and maintenance are more convenient.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention front view;
Fig. 2 is one embodiment of the invention end view;
Fig. 3 is one embodiment of the invention rearview;
Fig. 4 is one embodiment of the invention side sectional view;
Fig. 5 is one embodiment of the invention cutaway view;
Fig. 6 is one embodiment of the invention decomposition view.
Wherein:
1: casing; 2: handle; 3: high current connector; 4: holder; 5: radiator; 6:IGBT element; 7: cooling fan assembly; 8: low-inductance bus; 9:PC plate; 10: assembly skeleton; 11:PC plate; 12: drive plate mounting bar; 13: gate-drive plate; 14: pulse forming panel; 15: alternating current bus bar; 16: current sensor; 17: cooling water pipe assembly; 18: high pressure support capacitor; 19: heat exchanger; 20: short circuit busbar; 21: long threaded rod; 22: water supply connector; 23: indicator lamp hole; 24: signal of telecommunication controller plug; 25: water out adapter; 26: discharge resistance; 27: bonnet.
Embodiment
As shown in Fig. 1-Fig. 6, one embodiment of the invention is integrated radiator 5, IGBT element 6, low-inductance bus 8, alternating current bus bar 15, high pressure support capacitor 18, short circuit busbar 20, gate-drive assembly, pulse forming panel 14, current sensor 16, heat exchanger 19, cooling fan assembly 7, each component integration is in housing (being module casing), wherein:
Module casing 1 is equivalent to drawer box, and module casing front is provided with handle 2, can be used to mobile module;
Module casing front has optical fiber interface and indicator lamp hole 23.
Module casing front upper is provided with signal of telecommunication controller plug 24, is used as the external signal of telecommunication connecting interface of module;
Radiator 5 is installed on the most left layer of frequency converter module (for contributing to understand spatial relationship, this layer is defined as ground floor), radiator is mainly the heat radiation of IGBT power device, radiator adopts water cooling method, water-cooling has the advantages that thermal resistance is low, can effectively reduce IGBT working junction temperature, improve the electric current fan-out capability of IGBT, the power device parameter utilization rate improving, reach good cost performance, temperature relay is housed on heating panel, and when overtemperature appears in universal power model, module is by derate operation or shutdown;
IGBT element 6 is installed on radiator 5 right sides (second layer), and be arranged in equably the right surface of radiator, to make full use of radiator heat-dissipation, 6 IGBT form a three-phase inversion brachium pontis, because IGBT internal parallel has fly-wheel diode, so both can be used as inversion unit, also can be used as rectification unit;
Low-inductance bus 8 is L shaped shape, the integrated positive and negative conducting copper in the inside, between positive and negative conducting copper, with insulating barrier, separate, and some stretches out the outside of module casing, the low-inductance bus that stretches out part is silver-plated on its positive and negative copper coin, be used for connecting main circuit on frequency-charger cabinet both positive and negative polarity quick connector, the long limits of L shaped low-inductance bus 8 are parallel with radiator 5 and be installed on IGBT element 6 right sides (the 3rd layer), and conduct electricity and be connected with IGBT element, the minor face of the L shaped shape of low-inductance bus conducts electricity and is connected with high pressure support capacitor 18, low-inductance bus is overrided to form by copper bar layer and insulating barrier, edge seals with insulating material,
Alternating current bus bar 15 has hole, and level is arranged on the right side (the 4th layer) of high pressure low-inductance bus 8, and one adopt bolts to conduct electricity with IGBT element 6 to be connected, and other end is connected with short circuit busbar 20 by bolt;
Gate-drive assembly and pulse forming panel are installed on the right side (layer 5) of alternating current bus bar 15, and gate-drive, assembly are divided into five layers, ground floor is PC plate 9, be used for gate-drive component insulation layer (being used for isolating the high pressure on alternating current bus bar), PC plate machinability is strong, and mechanical strength and insulation property are better; The second layer is assembly skeleton 10, is used for the mounting framework of gate-drive plate and pulse forming panel and has electromagnetic shielding action, and long threaded rod 21 is installed above, is used for installing pulse forming panel 14; The 3rd layer is PC plate 11, as gate-drive plate 13 and the assembly skeleton 10(second layer) insulating barrier; The 4th layer is drive plate mounting bar 12, is used for installing drive plate 13; Layer 5 is drive plate 13, is arranged on drive plate mounting bar 12, and drive plate is used for driving IGBT6, and IGBT can be turned on and off; Pulse forming panel 14 is arranged on gate-drive assembly right side, is used for providing power supply and pulse signal to drive plate 13, is arranged on the long threaded rod 21 on the second layer (long threaded rod has passed from the second layer to layer 5);
High current connector 3 is loaded on module casing 1 by the holder 4 of insulating material, and is connected with short circuit busbar 20, the rear of position in module, and universal power model pushes after frequency converter cabinet, and this socket is electrically connected to the plug on cabinet;
Heat exchanger 19 is installed on high pressure support capacitor 18 bottoms, by screw and module casing 1, be fixed together, Welding of Heat-exchanger has two water nozzles, a water nozzle is the external water route interface of universal power model (being used for the water inlet 22 of module), another water nozzle is the water route interface (delivery port) of universal power model inside, this interface is connected with the water inlet of water-filled radiator 5 by a conduit assembly 17, and heat exchanger is for the heat of universal power model inside is taken away;
Conduit assembly is installed on the right side of high pressure Support Capacitor 18, connects water-filled radiator 5 and heat exchanger 19, for fluid between the two provides passage;
Cooling fan assembly 7 is installed on the top of module casing 1, adopts the mode of exhausting that the heat of inside modules is released, and allow inside modules carry out circulation of air, and hot blast carries out the heat exchange of wind-water form in mobile process with heat exchanger;
The joint that is separately installed with module heat dissipating water route on positive basifacial and the top of power model, the water supply connector 22 that bottom is water route, the water out adapter 25 that top is water route;
Universal power model can be expanded according to power grade, each modular power is 400-600kW, when power grade is 800-1200kW, 2 modules need be installed in parallel in frequency-charger cabinet, when power grade is 1200-1800kW, 3 modules need be installed in parallel in frequency-charger cabinet 31.
Claims (8)
1. a transducer power module, comprise housing, radiator, IGBT element, low-inductance bus, alternating current bus bar, high pressure support capacitor, short circuit busbar, gate-drive assembly, pulse forming panel, current sensor, heat exchanger, cooling fan assembly, each stacking part is arranged in housing, it is characterized in that, radiator is installed on the housing leftmost side; IGBT element is installed on radiator right side, is evenly arranged in the right surface of radiator; Low-inductance bus is that L shaped, vertical one side is parallel with radiator, is installed on IGBT element right side, and is connected with IGBT element conduction, and the one side of low-inductance bus level is connected with high pressure support capacitor; Alternating current bus bar level is arranged on the right side of low-inductance bus, and a side and IGBT element conduction is connected, and opposite side is connected with short circuit busbar; Gate-drive assembly is installed on alternating current bus bar right side; Pulse forming panel is installed on gate-drive assembly right side; Current sensor is installed on gate-drive assembly and pulse forming panel rear; On the outer surface at housing rear, high current connector is installed, short circuit busbar is connected with high current connector through current sensor, and high current connector is connected with the alternating current circuit of main circuit in frequency-charger cabinet; High pressure support capacitor is arranged on radiator below, and the left surface of high pressure support capacitor and the left surface of radiator are in same aspect; Heat exchanger is installed on high pressure support capacitor below or case top; Cooling fan assembly is installed on case top or bottom; High pressure Support Capacitor right side is provided with conduit assembly, and radiator is connected with heat exchanger by conduit assembly; Described gate-drive assembly comprises two blocks of PC plates, assembly skeleton, drive plate mounting bar, and gate-drive assembly is divided into five layers from left to right successively: ground floor is a PC plate; The second layer is assembly skeleton, on assembly skeleton, long threaded rod is installed; The 3rd layer is the 2nd PC plate; The 4th layer is drive plate mounting bar; Layer 5 is drive plate; Long threaded rod passes second to layer 5; Described pulse forming panel is arranged on long threaded rod.
2. transducer power module according to claim 1, is characterized in that, described low-inductance bus is integrated positive and negative conducting copper separates with insulating barrier between positive and negative conducting copper.
3. transducer power module according to claim 1, is characterized in that, housing the place ahead is provided with water out adapter and water supply connector, and water out adapter is connected with heat exchanger with radiator respectively by conduit assembly with water supply connector.
4. transducer power module according to claim 1, is characterized in that, described high current connector is installed on housing by holder, and holder adopts insulating material.
5. transducer power module according to claim 1, is characterized in that, radiator right side is provided with discharge resistance, and discharge resistance and IGBT element are in same aspect.
6. transducer power module according to claim 1, is characterized in that, totally six of described IGBT elements, form a three-phase inversion brachium pontis.
7. transducer power module according to claim 1, is characterized in that, described housing the place ahead outer surface is provided with optical fiber interface, signal of telecommunication controller plug, indicator lamp hole and handle.
8. transducer power module according to claim 1, is characterized in that, described radiator is water-filled radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210109947.7A CN102624205B (en) | 2012-04-16 | 2012-04-16 | Power module of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210109947.7A CN102624205B (en) | 2012-04-16 | 2012-04-16 | Power module of converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102624205A CN102624205A (en) | 2012-08-01 |
| CN102624205B true CN102624205B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210109947.7A Active CN102624205B (en) | 2012-04-16 | 2012-04-16 | Power module of converter |
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| CN102801285B (en) * | 2012-08-15 | 2015-06-24 | 株洲南车时代电气股份有限公司 | High-voltage IGBT converter module |
| CN103401437A (en) * | 2013-08-12 | 2013-11-20 | 南车株洲电力机车研究所有限公司 | IGBT converter chopping module |
| CN103414320B (en) * | 2013-09-04 | 2016-01-20 | 南车株洲电力机车研究所有限公司 | The jockey of a kind of frequency converter and plug-in type power model thereof |
| CN103730989B (en) * | 2013-12-25 | 2017-02-22 | 精进电动科技股份有限公司 | Motor controller |
| CN104617784B (en) * | 2015-01-12 | 2017-07-07 | 株洲南车时代电气股份有限公司 | A kind of inversion module |
| CN107786100B (en) * | 2016-08-30 | 2019-10-11 | 中车株洲电力机车研究所有限公司 | A kind of controller |
| CN106385181A (en) * | 2016-09-21 | 2017-02-08 | 国电南瑞科技股份有限公司 | Series IGBT (Insulated Gate Bipolar Transistor) module device-based H-bridge assembly |
| CN108122865B (en) * | 2016-11-28 | 2019-11-08 | 中车株洲电力机车研究所有限公司 | A kind of H bridge arm power module for track vehicle |
| CN109617427A (en) * | 2017-09-30 | 2019-04-12 | 株洲中车时代电气股份有限公司 | A kind of converter module and traction drive |
| CN109950842B (en) * | 2017-12-20 | 2024-03-26 | 西安中车永电电气有限公司 | L-shaped insulating supporting device suitable for composite busbar |
| CN110855158A (en) * | 2018-08-20 | 2020-02-28 | 中车株洲电力机车研究所有限公司 | Converter module and converter |
| CN111193380A (en) * | 2018-11-15 | 2020-05-22 | 中车株洲电力机车研究所有限公司 | DCU control box |
| CN109617378B (en) * | 2018-12-28 | 2021-02-09 | 宁波格澜特电器有限公司 | Cabinet array power module and array cabinet |
| CN110098719A (en) * | 2019-06-14 | 2019-08-06 | 山西恒信风光新能源技术有限公司 | Wind power plant transducer power cabinet based on the bipolar IGBT driving structure of separating insulated grid |
| CN112865555B (en) * | 2019-11-28 | 2022-04-05 | 中车株洲电力机车研究所有限公司 | Integrated inverter module |
| CN112421934B (en) * | 2020-11-12 | 2022-09-06 | 许继集团有限公司 | Packaging structure of IGBT power module and IGBT power module adopting same |
| CN113179031B (en) * | 2021-04-28 | 2022-08-19 | 北京国家新能源汽车技术创新中心有限公司 | Integrated dc-to-ac converter direct current supports electric capacity, motor and vehicle |
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| CN102624205A (en) | 2012-08-01 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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