Application of Joint Frequency Regulation Technology of Energy Storage and Thermal Power in China Southern Power Grid

Huifan XIE; Chao WANG; Paihong LIU; Hongtao LIU; Guanghu XU; Peng LI; Yang SONG; Yong MEI

doi:10.7500/AEPS20200206004

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Application of Joint Frequency Regulation Technology of Energy Storage and Thermal Power in China Southern Power Grid

Engineering Application | 更新时间：2025-06-16

- Application of Joint Frequency Regulation Technology of Energy Storage and Thermal Power in China Southern Power Grid
- Automation of Electric Power Systems Vol. 45, Issue 4, Pages: 172-179(2021)
- 作者机构：
  
  1.中国南方电网电力调度控制中心，广东省广州市 510623
  2.广东电科院能源技术有限责任公司，广东省广州市 510080
  3.广东电网公司揭阳普宁供电局，广东省揭阳市 522000
  4.中国南方电网有限责任公司超高压输电公司柳州局，广西壮族自治区柳州市 545006
- 作者简介：
- 基金信息：
  
  Abstract:
  In order to solve the bipolar commissioning problem of high voltage direct current (HVDC) transmission projects while the construction of conventional earth electrodes are not completed, the unconventional earth electrode operation schemes, including in-station deep electrodes and out-station simple electrodes, are introduced. Then the electrical performance of electrodes, human safety, electrode heating, DC bias of transformers and diverting potential are studied. The main conclusions are as follows: in-station deep electrode schemes are technically feasible, but isolating measures should be taken to avoid high induced DC potential of earthing grid endangering the safety of equipment and human, for out-station simple electrode schemes, the step voltage and electrode temperature rise requirements are difficult to meet in monopole operation mode. So unbalanced current control measures should be introduced to ensure the safety of equipment and human near electrodes.
  Foundation:This work is supported by National Natural Science Foundation of China;National Natural Science Foundation of China-State Grid Corporation of China Joint Fund Project
- DOI：10.7500/AEPS20200206004
  CLC：
- Received：06 February 2020，
  
  Revised：2020-05-06，
  
  Published Online：24 June 2020，
  
  Published：25 February 2021
- 稿件说明：
移动端阅览
谢惠藩,王超,刘湃泓等.南方电网储能联合火电调频技术应用[J].电力系统自动化,2021,45(4):172-179.

XIE Huifan,WANG Chao,LIU Paihong,et al.Application of Joint Frequency Regulation Technology of Energy Storage and Thermal Power in China Southern Power Grid[J].Automation of Electric Power Systems,2021,45(4):172-179.
谢惠藩,王超,刘湃泓等.南方电网储能联合火电调频技术应用[J].电力系统自动化,2021,45(4):172-179. DOI： 10.7500/AEPS20200206004.

XIE Huifan,WANG Chao,LIU Paihong,et al.Application of Joint Frequency Regulation Technology of Energy Storage and Thermal Power in China Southern Power Grid[J].Automation of Electric Power Systems,2021,45(4):172-179. DOI： 10.7500/AEPS20200206004.

摘要

为更好地指导储能联合火电调频工程的建设应用，推动中国南方区域辅助调频市场的发展，阐述了中国南方电网储能联合调频工程建设和运行情况，重点分析了储能系统调频效益及对电网系统稳定的影响，得出的主要结论是：储能系统对机组的轴系扭振模态、电力系统稳定器功能、一次调频等基本无影响，采用重复控制等谐振抑制技术后储能谐波含量能控制在1%以下。储能联合调频能显著提高机组综合调频性能指标和调频里程，增加调频里程补偿收益，经济效益可观。

Abstract

To better guide the construction and application of joint frequency regulation project of energy storage and thermal power and to promote the development of the auxiliary frequency regulation market in South China

the construction and operation of joint frequency regulation project of China Southern Power Grid are introduced. The benefits from frequency regulation of energy storage system and its influences on power grid are especially analyzed

and the main conclusions include: the energy storage system basically has no influence on torsional vibration mode

power system stabilizer function and primary frequency regulation of the unit; the harmonic of energy storage ratio can be restrained less than 1% through resonance rejection technologies such as the repetitive control technology. Moreover

the performance index and mileage of comprehensive frequency regulation can be well improved

which remarkably increases the frequency regulation compensation revenue and economic benefits.

关键词

Keywords

references

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