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Fast control power supply system based on ipm module h bridge cascading

A power system and cascading technology, which is applied in the field of power systems, can solve the problems that the series and parallel mode of devices cannot meet the requirements well, and achieve the effects of simple structure, enhanced scalability, and enhanced security

Active Publication Date: 2014-10-22
ECU ELECTRONICS INDAL
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  • Description
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Problems solved by technology

With the development of EAST nuclear fusion experimental research, the fast control power supply is required to be scalable, and the traditional series-parallel mode of devices cannot meet the requirements well

Method used

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  • Fast control power supply system based on ipm module h bridge cascading
  • Fast control power supply system based on ipm module h bridge cascading

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Embodiment Construction

[0010] A fast-control power supply system based on IPM module H-bridge cascading, including a plurality of subsystems 1 connected in parallel to the load 4, the subsystem 1 is composed of a plurality of inverter cabinets 2 and output cabinets 3, the inverter There is an H-bridge inverter module in the cabinet 2, and multiple inverter cabinets 2 are connected in series and parallel to the output cabinet 3, and the output cabinet 3 is connected to the IVC coil of the load 4 in parallel, such as figure 1 shown. A plurality of inverter cabinets 2 are connected in series and parallel through copper busbars, and connected to the IVC coil of the load 4 through the output cabinet 3. Compared with the traditional single-transformer isolation and device series-parallel connection scheme, the present invention enhances the scalability of the fast-control power supply. Maintainability has been improved.

[0011] Such as figure 1 As shown, the inverter cabinet 2 is composed of a three-ph...

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Abstract

The invention relates to a fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection. The fast-control power supply system comprises multiple subsystems which are connected with loads in parallel, wherein each subsystem consists of multiple inverting cabinets and output cabinets; an H-bridge inverting module is arranged in each inverting cabinet; multiple inverting cabinets are connected in series and then connected with the output cabinets; and the output cabinets are connected with IVC (independent virtual channel) coils of the loads. The fast-control power supply system disclosed by the invention adopts the H-bridge inverting modules to perform series-parallel connection so as to replace the conventional device series-parallel connection, meanwhile, multiple inverting cabinets and output cabinets are combined together to construct the subsystems, and finally, multiple subsystems form the fast-control power supply system to ensure that the expansibility of the fast-control power supply system is enhanced. Moreover, the inverting cabinets adopt the H-bridge inverting modules, so that the inverting cabinets are simple in structure, strong in safety and convenient to maintain.

Description

technical field [0001] The invention relates to the field of power supply systems, in particular to a fast-control power supply system based on H-bridge cascade connection of IPM modules. Background technique [0002] As a national "Ninth Five-Year" major scientific project, the EAST superconducting tokamak device is of great significance to the research work of nuclear fusion experiments in my country. It is necessary to quickly control the power supply for the vertical displacement of the body (referred to as the fast control power supply). The biggest feature of EAST fast control power supply is large current output and fast dynamic response. For this reason, the power supply adopts many advanced technologies, such as multi-level technology, phase-shift PWM technology, inverter parallel technology, high-power power electronics Device design and manufacturing technology, etc. [0003] The currently operating fast control power supply is restructured on the basis of tradit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M5/44H02H9/04
Inventor 陈滋健
Owner ECU ELECTRONICS INDAL
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