基于TPWM的可控电流源变换器直流电压特性研究

2021 Annual Meeting of CSEE Study Committee of HVDC and Power Electronics (HVDC 2021) Pub Date : 1900-01-01 DOI:10.1049/icp.2021.2529

W. Zhang, L. Chen, B. Zhang, X. Wei, L. Qi, C. Gao, Z. He

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引用次数: 0

摘要

当可控电流源变换器应用于由脉宽调制电流源变换器(PWM-CSC)和线路换流变换器(LCC)组成的高压直流输电系统时，由于PWM-CSC的旁路，变换器两端直流电压不匹配。基于PWM-CSC的工作原理，分析了应用于电流源变换器的TPWM直流电压特性，实现了间接电流控制与TPWM相结合的系统单位功率因数运行。

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Dc voltage characteristics of controllable current source converter based on TPWM

When the controlled current source converter is applied to HVDC transmission system composed by the pulse width modulated current source converter(PWM-CSC) and Line-Commutated Converter(LCC), the dc voltage at both ends of the converter does not match due to the bypass of the PWM-CSC. Based on the operating principle of PWM-CSC, this paper analyses the dc voltage characteristics of TPWM applied to the current source converter, and realizes the unit power factor operation of the system combined with the indirect current control and TPWM.

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来源期刊

2021 Annual Meeting of CSEE Study Committee of HVDC and Power Electronics (HVDC 2021)

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