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| Locating and Sizing Planning of Distributed Generation Power Supply Considering the Operational Risk Cost of Distribution Network |
| Liu Xiangshi1, Wang Lingxian2, Wu Yanbin3, Bo Wei3, Que Dongyang3 |
1. State Grid Henan Electric Power Company Zhengzhou 450000 China;
2. College of Electrical and Information Engineering Hunan University Changsha 410082 China;
3. State Grid Henan Zhumadian Power Supply Company Zhumadian 463000 China |
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Abstract Distributed power is crucial to energy transition and development. In this paper, an optimal locating and sizing planning model of distributed generation (DG) is established, which takes the risk cost of parallel operation and islanding operation of DG as objective function. The model fully considers the impact of DG output power fluctuation on the distribution network and takes the distribution network operation risk into account. Then an improved multi-objective particle swarm optimization algorithm is applied to solving the model with the constraints of DG penetration level, power balance, node voltages, branch transmission power and reverse power flow. The simulation results verify that the proposed method can not only optimize network structure and lower operating costs, but also guarantee the power supply reliability and reduce the loss caused by the fault.
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Received: 15 March 2018
Published: 29 July 2019
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2019, Vol. 34 
