基于MPPMSG的混合高压直流风电系统故障穿越技术

刘寅迪; 曾翔君; 骆一萍; 张世勇; 魏米兰

doi:10.7500/AEPS20190427001

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基于MPPMSG的混合高压直流风电系统故障穿越技术

研制与开发 | 更新时间：2025-06-16

- 基于MPPMSG的混合高压直流风电系统故障穿越技术
- Fault Ride-through Technology of Hybrid HVDC Wind Power System Based on Multi-phase Permanent Magnet Synchronous Generator
- 电力系统自动化-方正平台 2020年44卷第8期页码：133-140
- 作者机构：
  
  西安交通大学电气工程学院,陕西省西安市 710049
- 作者简介：
  
  刘寅迪(1995—)，男，硕士研究生，主要研究方向：高压直流输电系统的控制。 E-mail：lydty99@stu.xjtu.edu.cn
  曾翔君(1976—),男,通信作者,博士,副教授,主要研究方向:大功率风电系统中功率变换和新能源等电力电子技术。 E-mailzengxj@mail.xjtu.edu.cn
  骆一萍(1975—),女,硕士,高级工程师,主要研究方向:智能仪器设计及工业自动化技术。 E-mail：luoyp@mail.xjtu.edu.cn
- 基金信息：
  
  国家自然科学基金面上项目(51477134)
- DOI：10.7500/AEPS20190427001
  中图分类号：
- 收稿日期：2019-04-27，
  
  修回日期：2019-09-29，
  
  网络出版日期：2020-02-05，
  
  纸质出版日期：2020-04-25
- 稿件说明：
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刘寅迪,曾翔君,骆一萍等.基于MPPMSG的混合高压直流风电系统故障穿越技术[J].电力系统自动化,2020,44(8):133-140.

LIU Yindi,ZENG Xiangjun,LUO Yiping,et al.Fault Ride-through Technology of Hybrid HVDC Wind Power System Based on Multi-phase Permanent Magnet Synchronous Generator[J].Automation of Electric Power Systems,2020,44(8):133-140.
刘寅迪,曾翔君,骆一萍等.基于MPPMSG的混合高压直流风电系统故障穿越技术[J].电力系统自动化,2020,44(8):133-140. DOI： 10.7500/AEPS20190427001.

LIU Yindi,ZENG Xiangjun,LUO Yiping,et al.Fault Ride-through Technology of Hybrid HVDC Wind Power System Based on Multi-phase Permanent Magnet Synchronous Generator[J].Automation of Electric Power Systems,2020,44(8):133-140. DOI： 10.7500/AEPS20190427001.

摘要

为解决传统风电系统变换级数多的问题，文中提出了一种基于多相永磁同步电机(MPPMSG)的混合高压直流风电系统拓扑。电机多套绕组分别连接单极性变流器并在直流侧串联形成高压直接接入直流母线，一套绕组向电机注入无功功率以改善电机调速和稳态性能。岸上变电站采用电网换相换流器，直流母线短路时可阻断短路电流。为解决多绕组耦合问题，MPPMSG采用了反馈解耦的控制策略。根据发电机短路特性分析，提出了直流母线短路时限制电机短路电流以及直流故障穿越的控制策略。最后，利用PSCAD/EMTDC搭建风电系统开关电路仿真模型，验证了所提控制策略的有效性。

Abstract

To solve the problem of various transform series in traditional wind power system

this paper proposes a hybrid topology of high voltage direct current (HVDC) wind power system based on multi-phase permanent magnet synchronous generator (MPPMSG). The multiple sets of the generator windings are separately connected to unipolar converters

which connect in series on the DC side and transfer into high voltage to connect the HVDC transmission line. One set of windings injects reactive power into the generator to improve the generator speed regulation and steady-state performance. In the on-shore substation

the line commutated converter (LCC) based on thyristors is applied to block the short-circuit current when the DC bus is short-circuit. In order to solve the multi-winding coupling problem

a feedback decoupling control strategy is adopted for MPPMSG. According to the analysis of short-circuit characteristics of generator

a fault ride-through strategy is proposed combined with the short-circuit current limitation method

which can deal with the short-circuit fault of DC transmission line effectively. Finally

the switching-circuit simulation model of the hybrid wind power system is built in PSCAD/EMTDC

and the effectiveness of the proposed control strategy is verified.

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references

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