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Converter device, drive unit and related method

一种变换器、开关单元的技术，应用在输出功率的转换装置、具有可逆变的变换设备、中间转换为直流的转换的变换设备等方向，能够解决变换器输入/输出波形不太理想等问题

Inactive Publication Date: 2019-06-07
GE ENERGY POWER CONVERSION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the input / output waveforms of converters with existing topologies are still not ideal, so it is necessary to design converters with new topologies to solve the technical problems existing in existing converters

Method used

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  • Converter device, drive unit and related method
  • Converter device, drive unit and related method
  • Converter device, drive unit and related method

Examples

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Embodiment Construction

[0046] One or more specific embodiments of the present invention will be described below. First of all, it should be pointed out that, in the process of describing these implementations, for the sake of concise description, it is impossible for this specification to describe all the features of the actual implementations in detail. It should be understood that, in the actual implementation process of any embodiment, just like in the process of any engineering project or design project, in order to achieve the developer's specific goals, or to meet system-related or business-related constraints , often a variety of specific decisions are made, and this changes from one implementation to another. In addition, it will be appreciated that while such development efforts may be complex and lengthy, the technology disclosed in this disclosure will be Some design, manufacturing or production changes based on the content are just conventional technical means, and should not be interpr...

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PUM

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Abstract

The present invention discloses at least one converter device, which comprises at least a first converter module and a second converter module connected in a nested manner. Each of the first converter module and the second converter module includes a plurality of switching units. When the converter device is converting electric energy, at least two of the plurality of switching units perform switching operations in a complementary manner and perform switching operations in a non-complementary manner. The quality of the output waveform can be improved through the converter device with nested structure.

Description

technical field [0001] The embodiments disclosed in the present invention relate to a converter device, a drive unit and a method, in particular to a converter device with a new topology, a drive unit and a method. Background technique [0002] A converter is generally used as an energy conversion device to convert one form of energy into another form of energy. In particular, multilevel converters, such as three-level, five-level and higher-level converters, have been widely used in many industrial fields due to their better output waveform quality and higher withstand voltage capability. Gradually widely used. For example, multilevel inverters have been applied in petrochemical, papermaking, mining, metallurgy, power plants, water treatment plants and other fields to provide AC output voltage for specific loads, such as AC motors. [0003] The topology adopted by the existing converter generally includes a three-level midpoint clamping architecture and a two-phase H-brid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/00H02M5/40H02M5/44H02M5/458H02M7/66H02M7/797H02M1/32
CPCH02M7/487H02M7/4837H02M7/537
Inventor 理查德.张张帆朱屹萨米尔.索哈沈捷斯蒂芬.施勒德
Owner GE ENERGY POWER CONVERSION TECH