电力电子接口对电力系统频率控制的影响综述

doi:10.11930/j.issn.1004-9649.201711236

中国电力 ›› 2018, Vol. 51 ›› Issue (1): 51-58.DOI: 10.11930/j.issn.1004-9649.201711236

• 高比例可再生能源并网及消纳技术专栏 • 上一篇下一篇

电力电子接口对电力系统频率控制的影响综述

鲁宗相¹, 汤海雁², 乔颖¹, 田新首², 迟永宁²

1. 电力系统及发电设备控制和仿真国家重点实验室(清华大学电机系), 北京 100084;
2. 中国电力科学研究院有限公司, 北京 100192

收稿日期:2017-11-27 出版日期:2018-01-05 发布日期:2018-02-28
作者简介:鲁宗相(1974—),男,重庆人,副教授,博士生导师,从事风电/太阳能发电并网分析与控制、能源与电力宏观规划、电力系统可靠性、分布式电源及微电网等方面的研究和教学工作,E-mail:luzongxiang98@tsinghua.edu.cn;汤海雁(1981—),男,安徽人,博士,高级工程师,从事新能源发电与并网稳定性等方面的研究,E-mail:tanghy@epri.sgcc.com.cn;乔颖(1981—),女,江苏人,博士,副教授,从事新能源发电、大电网稳定性等方面的研究,E-mail:qiaoying@tsinghua.edu.cn;田新首(1985—),男,河南人,博士,工程师,从事新能源发电与并网稳定性等方面的研究,E-mail:tianxinshou@epri.sgcc.com.cn;迟永宁(1973—),男,山东人,博士,高级工程师(教授级),国际电工委员会IECSC8A“可再生能源接入电网”技术分委会秘书,从事新能源并网技术及电力系统稳定等方面的研究,E-mail:chiyn@epri.sgcc.com.cn。
基金资助:
国家自然科学基金青年科学基金项目 (51407168)；国家电网公司科技项目“电力电子化电力系统动态问题”。

The Impact of Power Electronics Interfaces on Power System Frequency Control: A Review

LU Zongxiang¹, TANG Haiyan², QIAO Ying¹, TIAN Xinshou², CHI Yongning²

1. State Key Lab of Control and Simulation of Power Systems and Generation Equipment (Department of Electrical Engineering, Tsinghua University), Beijing 100084, China;
2. China Electric Power Research Institute, Beijing 100192, China

Received:2017-11-27 Online:2018-01-05 Published:2018-02-28
Supported by:
This work is supported by National Natural Science Fund (No. 51407168); Science and Technology Project of State Grid Corporation of China (Study on Dynamics of Power Electronic-Dominated Power System).

摘要/Abstract

摘要： 风电、光伏、储能、柔性高压直流输电等通过电压源/电流源型变流器接口取代了传统的机械开关并网，将给电力系统的既有频率动态特性、有功平衡原理及相关控制方法带来改变。首先回顾了近年电力电子接口相关的系统频率事件，从惯量角度分析了规模化电力电子接口对系统频率控制的影响。总结了提高频率支撑能力的接口控制技术，分析了接口外特性在惯性响应和一次调频环节与同步机组等价性。基于能量守恒原理讨论了大规模电力电子接口接入下电力系统有功平衡机理，最后从机理、模型、方法层面提出了电力电子化该领域内值得探索问题。

关键词: 电力电子接口, 有功频率控制, 惯量, 虚拟同步, 电力电子化电力系统

Abstract: Devices such as wind turbines, solar power, and flexible high voltage direct current (HVDC) transmission are connected into power system via voltage or current source converters, which bring changes to system frequency dynamics, power balance principle and control methods. Recent frequency events are reviewed first. Then impacts on system frequency control of large-scale power electronic interface are analyzed in aspect of system inertia. Interface control technology that is engaged in improving frequency support capability are summarized, and degree of equivalence of external characteristics between electronic interface and synchronous generators are analyzed based on inertia response and primary frequency control. Power frequency balance based on law of conservation and conversion of energy in power system with large-scale electronic interfaces are discussed. Finally, some questions worthy of exploration in terms of principles, models and methods are proposed.

Key words: power electronic interface, power frequency control, inertia, virtual synchronous, power electronics dominated power systems

中图分类号:

TM712

鲁宗相, 汤海雁, 乔颖, 田新首, 迟永宁. 电力电子接口对电力系统频率控制的影响综述[J]. 中国电力, 2018, 51(1): 51-58.

LU Zongxiang, TANG Haiyan, QIAO Ying, TIAN Xinshou, CHI Yongning. The Impact of Power Electronics Interfaces on Power System Frequency Control: A Review[J]. Electric Power, 2018, 51(1): 51-58.

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电力电子接口对电力系统频率控制的影响综述

The Impact of Power Electronics Interfaces on Power System Frequency Control: A Review

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The Impact of Power Electronics Interfaces on Power System Frequency Control: A Review

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