Emergency Coordination Control Strategy for Transient Voltage and Transient Frequency Stability in HVDC Infeed Receiving-end Power Grid
Special Topic on Technology of protection and control for AC/DC hybrid power grid|更新时间:2025-06-16
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Emergency Coordination Control Strategy for Transient Voltage and Transient Frequency Stability in HVDC Infeed Receiving-end Power Grid
Automation of Electric Power SystemsVol. 44, Issue 22, Pages: 45-53(2020)
作者机构:
1.河海大学可再生能源发电技术教育部工程研究中心,江苏省南京市 210098
2.国网安徽省电力有限公司,安徽省合肥市 230061
作者简介:
基金信息:
State Grid Corporation of China (Research on the Whole Process Decision Support Technology for Frequency and Voltage Dynamic Stability of Receiving-end Power Grid, No. XT71-17-008)
ZHAO Jinquan,TANG Jianjun,WU Di,et al.Emergency Coordination Control Strategy for Transient Voltage and Transient Frequency Stability in HVDC Infeed Receiving-end Power Grid[J].Automation of Electric Power Systems,2020,44(22):45-53.
ZHAO Jinquan,TANG Jianjun,WU Di,et al.Emergency Coordination Control Strategy for Transient Voltage and Transient Frequency Stability in HVDC Infeed Receiving-end Power Grid[J].Automation of Electric Power Systems,2020,44(22):45-53. DOI: 10.7500/AEPS20191019002.
Emergency Coordination Control Strategy for Transient Voltage and Transient Frequency Stability in HVDC Infeed Receiving-end Power Grid
In order to deal with the transient voltage and transient frequency stability problems of the multi-infeed high-voltage direct current (HVDC) receiving-end power grid when HVDC lines are blocked
an emergency coordination control strategy considering HVDC power emergency lifting
synchronous condenser emergency control and load shedding is proposed. Firstly
the transient voltage and frequency stability margin index based on multiple two-element notations is adopted. The impact of HVDC power emergency lifting and synchronous condenser emergency control on the transient voltage stability of the receiving-end power grid is analyzed
and an emergency coordination control scheme with multiple control means is proposed. Secondly
based on the proposed scheme
an optimization model is established for the emergency coordination control of the receiving-end power grid with multiple control means
which considers both transient voltage and transient frequency stability constraints and aims at minimizing the control cost. Then
the sensitivity is used to linearize the model
where the negative impact of HVDC power emergency lifting on the transient voltage stability is considered. Moreover
the model is solved by the successive linear programming method. Finally
the results of a real example in East China power grid show that the proposed control strategy is effective.
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