• Electrical Engineering •

### Optimization of emergency load shedding of receiving-end power grid based on Particle Swarm Optimization

Meng LIU1(),Taoyang XU2,Changgang LI2,*(),Yue WU2,Zhi WANG3,Fangfang SHI1,Jianjun SU1,Guohui ZHANG1,Kuan LI1

1. 1. State Grid Shandong Electric Power Research Institute, Jinan 250002, Shandong, China
2. Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education (Shandong University), Jinan 250061, Shandong, China
3. State Grid Shandong Electric Power Maintenance Company, Jinan 250118, Shandong, China
• Received:2018-10-18 Online:2019-02-01 Published:2019-03-01
• Contact: Changgang LI E-mail:liumeng603@163.com;lichgang@sdu.edu.cn
• Supported by:
国网山东省电力公司科技项目(2017A-58);山东大学青年学者未来计划(2018WLJH31)

Abstract:

An optimization model and solving method of emergency load shedding were proposed to solve the high voltage direct current (HVDC) blocking of multi-infeed HVDC receiving-end power grid. The model was established to minimize the total amount of shed loads and was constrained by transient frequency variations, voltage variations, line overloading and load capacity of each node to maintain power system stability. The optimal variable of the model was the amount of load shedding of each node. Considering that the model was nonlinear, an adaptive parameter adjustment method based on particle swarm optimization (PSO) algorithm and parallel computing was established. The method improved the global optimization and the speed of the algorithm. Shandong Power Grid model was taken as an example to verify the validity of the algorithm for emergency load shedding following HVDC blocking.

CLC Number:

• TM712
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