MMC Capacitor Voltage Balance Control Algorithm Based on Mapping Strategy

GUO Binpeng; SU Shiping; FU Hang; HUANG Huaqin; ZHOU Luping

doi:10.14044/j.1674-1757.pcrpc.2019.05.027

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MMC Capacitor Voltage Balance Control Algorithm Based on Mapping Strategy

更新时间：2024-09-14

- MMC Capacitor Voltage Balance Control Algorithm Based on Mapping Strategy
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 40, Issue 5, Pages: 157-163(2019)
- 作者机构：
  
  长沙理工大学电力系统安全运行与控制湖南省高校重点实验室
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2019.05.027
  CLC： TM46
- Published：2019，
- 稿件说明：
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[1]郭滨鹏,粟时平,付航,黄华钦,周路平.基于映射策略的MMC电容电压平衡控制算法[J].电力电容器与无功补偿,2019,40(05):157-163.

GUO BINPENG, SU SHIPING, FU HANG, et al. MMC Capacitor Voltage Balance Control Algorithm Based on Mapping Strategy. [J]. Power capacitor & reactive power compensation, 2019, 40(5): 157-163.
[1]郭滨鹏,粟时平,付航,黄华钦,周路平.基于映射策略的MMC电容电压平衡控制算法[J].电力电容器与无功补偿,2019,40(05):157-163. DOI： 10.14044/j.1674-1757.pcrpc.2019.05.027.

GUO BINPENG, SU SHIPING, FU HANG, et al. MMC Capacitor Voltage Balance Control Algorithm Based on Mapping Strategy. [J]. Power capacitor & reactive power compensation, 2019, 40(5): 157-163. DOI： 10.14044/j.1674-1757.pcrpc.2019.05.027.

摘要

本文提出了一种新的应用于模块化多电平换流器（MMC）电容电压（CV）平衡的策略。电容电压平衡是MMC应用中面临的主要问题

通常采用全桥臂控制方法解决。采用此方法

根据子模块电压对其排序是必不可少的。然而

随着子模块的增长

这些算法的执行时间和计算工作量将迅速增加。本文提出了一种新的思路

通过使用映射策略

直接根据测量的电容电压将子模块存储在排序列表中。避免使用排序算法

使执行时间和计算工作量显著减少。

Abstract

In this paper

a kind of new strategy for balancing the capacitor voltage（CV）for modular multilevel converter（MMC） is proposed.The balance of capacitive voltage is the main problem faced in the MMC applications and it is usually solved by adopting a global arm control approach.For using such method

a sorted list of the sub-module（SM） in accordance with their capacitor voltages is necessary.However

with the increase of sub model

the execution time and the computational efforts of these algorithms increase very rapidly.A novel idea is proposed in this paper by using a mapping strategy that directly stores in a ranked list the SM according to the measured CV.Avoidance use of sorting algorithms leads to a considerable reduction of the execution time as well as the computational efforts.

关键词

模块化多电平换流器电容均压冒泡排序算法映射策略执行时间

Keywords

modular multilevel convertercapacitive voltage balancingbubble sort algorithmmapping strategyexecution time

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