Fast valve power loss evaluation methodfor modular multi-level converter operatingat high-frequency

Fen Tao; Zhujun Xie; Jie Cheng; Chenghao Li; Lu Zhao; Jinyu Wen

doi:10.1186/s41601-016-0015-z

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Fast valve power loss evaluation methodfor modular multi-level converter operatingat high-frequency

Contents | 更新时间：2026-06-25

- Fast valve power loss evaluation methodfor modular multi-level converter operatingat high-frequency
- Protection and Control of Modern Power Systems Vol. 1, Issue 1, (2016)
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- DOI：10.1186/s41601-016-0015-z
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- Published：2016
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Fen Tao, Zhujun Xie, Jie Cheng, et al. Fast valve power loss evaluation methodfor modular multi-level converter operatingat high-frequency[J]. Protection and Control of Modern Power Systems, 2016, 1(1).
DOI：

Fen Tao, Zhujun Xie, Jie Cheng, et al. Fast valve power loss evaluation methodfor modular multi-level converter operatingat high-frequency[J]. Protection and Control of Modern Power Systems, 2016, 1(1). DOI： 10.1186/s41601-016-0015-z.

摘要

There is no common accepted way for calculating the valve power loss of modular multilevel converter (MMC). Valve power loss estimation based on analytical calculation is inaccurate to address the switching power loss and valve power loss estimation based on detailed electro-magnetic simulation is of low speed. To solve this problem

a method of valve power loss estimation based on the detailed equivalent simulation model of MMC is proposed. Results of valve power loss analysis of 201-level 500MW MMC operating at 50Hz~1000Hz are presented. It is seen that the valve power loss of a MMC increased by 12

40 and 93 % under 200Hz

500Hz and 1000Hz operating frequency. The article concludes that in a device with isolated inner AC system

MMC operating at higher frequency will be more competitive than typical 50Hz/60Hz MMC with moderate increase of operating power loss and significant reduction of the size of the AC components.

Abstract

40 and 93 % under 200Hz

500Hz and 1000Hz operating frequency. The article concludes that in a device with isolated inner AC system

MMC operating at higher frequency will be more competitive than typical 50Hz/60Hz MMC with moderate increase of operating power loss and significant reduction of the size of the AC components.

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