MMC型UPQC的启动控制策略对比研究

王浩; 刘正富; 陆晶晶; 卫才猛; 杨用春; 袁敞; 肖湘宁

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MMC型UPQC的启动控制策略对比研究

王浩, 刘正富, 陆晶晶, 卫才猛, 杨用春, 袁敞, 肖湘宁

文章导航 > 现代电力 > 2014 > 31(5): 27-31

王浩, 刘正富, 陆晶晶, 等. MMC型UPQC的启动控制策略对比研究[J]. 现代电力, 2014, 31(5): 27-31.

引用本文:

王浩, 刘正富, 陆晶晶, 等. MMC型UPQC的启动控制策略对比研究[J]. 现代电力, 2014, 31(5): 27-31.

WANG Hao, LIU Zhengfu, LU Jingjing, etc. Comparative Study on the Start-up Control Strategy of MMC Based UPQC[J]. Modern Electric Power, 2014, 31(5): 27-31.

Citation:

WANG Hao, LIU Zhengfu, LU Jingjing, etc. Comparative Study on the Start-up Control Strategy of MMC Based UPQC[J]. Modern Electric Power, 2014, 31(5): 27-31.

MMC型UPQC的启动控制策略对比研究

1.
广东电网公司电力科学研究院,广东广州 510080;
2.
新能源电力系统国家重点实验室(华北电力大学),北京 102206;
3.
广东电网公司惠州供电局,广东惠州 516000

基金项目: 南方电网重点科技项目(K-GD2011-420)

详细信息

作者简介:
王浩(1976-),男,博士,主要从事电能质量分析与治理方面的研究工作,E-mail:whhao1@163.com。

中图分类号: TM727

Comparative Study on the Start-up Control Strategy of MMC Based UPQC

1.
Electric Power Research Institute of Guangdong Power Grid Corporation, Guangzhou 510080, China;
2.
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources(North China Electric Power University), Beijing 102206, China;
3.
Huizhou Power Supply Bureau, Guangdong Power Grid Corporation, Huizhou 516000,China

摘要: 本文研究了基于模块化多电平型换流器的统一电能质量控制器(MMC-UPQC)的启动过程及控制方法。首先介绍了MMC-UPQC的基本运行原理,给出了数学模型,然后分析了MMC-UPQC的启动过程,针对串联侧换流器子模块电容升压过程的特点提出了两种不同的控制方法,并分别分析了各自的优缺点,最后进行了PSCAD/EMTDC仿真验证,结果表明串联侧换流器上下桥臂子模块轮换导通的控制方式由于采用逐步提高模块电容电压的方法,在启动过程的电压电流冲击较小,启动更为平稳,并且易于实现,是一种较好的启动方式。
- 模块化多电平换流器 /
- 统一电能质量控制器 /
- 启动 /
- 控制策略 /
- 轮换导通
Abstract: In this paper, the start-up process and control method of unified power quality controller (MMC-UPQC) based on modular multilevel converter are studied. Firstly, the basic operating principle and mathematical model of MMC-UPQC are described, and its start-up process is analyzed. Then, two different control methods are presented according to the characteristics of voltage boost process for convertor sub-module on series capacitor side, and their advantages and disadvantages are analyzed. In the end, through PSCAD/EMTDC software, the validity of start-up control method is verified, and simulation results show that there is low voltage current shock and smooth curve, and it is easy to realize during start-up process by using the control mode of sub-module rotation conduction for the up and down bridge arm on series converter side because of its progressively increasing voltage of module capacity, which is a better way to start-up.
- modular multilevel converter (MMC) /
- unified power quality controller (UPQC) /
- start-up /
- control strategy /
- rotation conduction

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MMC型UPQC的启动控制策略对比研究

1. 广东电网公司电力科学研究院,广东广州 510080;

2. 新能源电力系统国家重点实验室(华北电力大学),北京 102206;

3. 广东电网公司惠州供电局,广东惠州 516000

基金项目: 南方电网重点科技项目(K-GD2011-420)

作者简介:
王浩(1976-),男,博士,主要从事电能质量分析与治理方面的研究工作,E-mail:whhao1@163.com。

收稿日期: 2013-10-11
刊出日期: 2014-10-09

中图分类号: TM727

关键词:

启动 /

摘要: 本文研究了基于模块化多电平型换流器的统一电能质量控制器(MMC-UPQC)的启动过程及控制方法。首先介绍了MMC-UPQC的基本运行原理,给出了数学模型,然后分析了MMC-UPQC的启动过程,针对串联侧换流器子模块电容升压过程的特点提出了两种不同的控制方法,并分别分析了各自的优缺点,最后进行了PSCAD/EMTDC仿真验证,结果表明串联侧换流器上下桥臂子模块轮换导通的控制方式由于采用逐步提高模块电容电压的方法,在启动过程的电压电流冲击较小,启动更为平稳,并且易于实现,是一种较好的启动方式。

English Abstract

Comparative Study on the Start-up Control Strategy of MMC Based UPQC

1. Electric Power Research Institute of Guangdong Power Grid Corporation, Guangzhou 510080, China;

2. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources(North China Electric Power University), Beijing 102206, China;

3. Huizhou Power Supply Bureau, Guangdong Power Grid Corporation, Huizhou 516000,China

Received Date: 2013-10-11
Publish Date: 2014-10-09

Keywords:

modular multilevel converter (MMC) /
unified power quality controller (UPQC) /
start-up /
control strategy /
rotation conduction

Abstract: In this paper, the start-up process and control method of unified power quality controller (MMC-UPQC) based on modular multilevel converter are studied. Firstly, the basic operating principle and mathematical model of MMC-UPQC are described, and its start-up process is analyzed. Then, two different control methods are presented according to the characteristics of voltage boost process for convertor sub-module on series capacitor side, and their advantages and disadvantages are analyzed. In the end, through PSCAD/EMTDC software, the validity of start-up control method is verified, and simulation results show that there is low voltage current shock and smooth curve, and it is easy to realize during start-up process by using the control mode of sub-module rotation conduction for the up and down bridge arm on series converter side because of its progressively increasing voltage of module capacity, which is a better way to start-up.

王浩, 刘正富, 陆晶晶, 等. MMC型UPQC的启动控制策略对比研究[J]. 现代电力, 2014, 31(5): 27-31.

引用本文:

王浩, 刘正富, 陆晶晶, 等. MMC型UPQC的启动控制策略对比研究[J]. 现代电力, 2014, 31(5): 27-31.

WANG Hao, LIU Zhengfu, LU Jingjing, etc. Comparative Study on the Start-up Control Strategy of MMC Based UPQC[J]. Modern Electric Power, 2014, 31(5): 27-31.

Citation:

WANG Hao, LIU Zhengfu, LU Jingjing, etc. Comparative Study on the Start-up Control Strategy of MMC Based UPQC[J]. Modern Electric Power, 2014, 31(5): 27-31.