Power unit of large-power current transformer

A power unit and converter technology, applied in the field of new energy power generation, can solve the problems of low assembly line production efficiency, inconvenient installation and maintenance, low power density, etc., and is beneficial to large-scale assembly line operations, assembly and wiring work The effect of simplicity and low stray inductance

Active Publication Date: 2013-11-20
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the converter power units of most manufacturers do not adopt the modular design concept, and there are problems such as low power density, complex structure, inconvenient installation and maintenance, and low production efficiency of the assembly line.

Method used

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  • Power unit of large-power current transformer
  • Power unit of large-power current transformer
  • Power unit of large-power current transformer

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Embodiment Construction

[0035] The specific implementation manner of the present invention will be described in further detail below according to the accompanying drawings.

[0036] The present invention provides a high-power converter power unit, such as figure 1 and figure 2 Shown are respectively the internal structure perspective view a of the embodiment of a high-power converter power unit provided by the present invention and the partial exploded schematic view of the internal structure perspective view a, which are represented by figure 1 and figure 2 It can be seen that a high-power converter power unit provided by the present invention includes a power unit overall frame and a laminated busbar (10) located inside the power unit overall frame, a power element IGBT and its driver (12), and a capacitor support plate (13), supporting capacitor array (14), radiator fixing plate (15), radiator (16), fan mounting plate (17) and cooling fan (18).

[0037] Wherein, the overall frame of the power...

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Abstract

The invention provides a power unit of a large-power current transformer. The power unit comprises a whole power-unit frame, and a laminated mother board (10), insulated gate bipolar transistor (IGBT) power elements and drivers (12) thereof, a capacitor support plate (13), a support capacitor array (14), a radiator fixing plate (15), a radiator (16), a blower fan installing plate (17) and a heat radiation blower fan (18) which are placed within the whole power-unit frame. The whole power-unit frame comprises a rectangular installing plate (6) placed in the rear of the whole power-unit frame; the support capacitor array (14) is mounted on the installing plate (6) via the capacitor support plate (13); the heat radiation blower fan (18) is mounted on the installing plate (6) via the blower fan installing plate (17); the IGBT power elements and drivers (12) thereof are fixed are fixed on the installing plate (6) via the radiator fixing plate (15); and the laminated mother board (10) is parallel with the installing plate (6). Main components are mounted on the same installing plate, so that all the components are integrated and packaged to form the power unit.

Description

technical field [0001] The invention relates to the technical field of new energy power generation, in particular to a power unit of a high-power converter. Background technique [0002] Wind energy and solar energy are renewable energy sources that are widely used in my country. The power units in wind power converters and photovoltaic inverters change the characteristics of the input voltage by controlling the power elements to be turned on and off, and play the role of rectification and inversion. The power unit is the core component of the high-power converter , is the basis for realizing electrical energy conversion. [0003] At present, the converter power units of most manufacturers do not adopt the modular design concept, which has problems such as low power density, complex structure, inconvenient installation and maintenance, and low production efficiency of the assembly line. Contents of the invention [0004] In order to overcome the above-mentioned defects, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/00H01L23/467
Inventor 苗亚周辉王彤翟志华田雷陈海荣
Owner STATE GRID CORP OF CHINA
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