含高渗透率可再生能源的主动配电网两阶段柔性软开关与联络开关协调优化控制

doi:10.19595/j.cnki.1000-6753.tces.180324

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Abstract Active distribution network (ADN) requires distribution network more flexible and elastic. However, high penetration renewable energy generation (REG) brings great challenges to cost-effective and safe operation of ADN. In this paper, aiming at the volatility and randomness of REG output, considering REG forecast errors, a two-stage coordination optimization control structure of soft open point (SOP) and tie switch is proposed. In day-ahead stage, taking the minimum power loss and the minimum REG reduction as the comprehensive objective, a sequential coordination optimization model of SOP and tie switch is established; in inner-day stage, a loop-locked rolling optimization control model based on model predictive control is built, to reduce the impact of the REG randomness output on ADN. A transforming method of reconfiguration constraint based on second-order cone model is proposed, which realizes the coordination optimization of SOP and tie switch by mixed-integer second-order cone programming algorithm. The results of case study show that the proposed method can increase REG penetrations while improving voltage quality and economic benefit of ADN.

Key words： Renewable energy generation active distribution network soft open point model predictive control second-order cone programming

Received: 12 March 2018 Published: 29 March 2019

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	Cong Pengwei
	Tang Wei
	Lou Chengwei
	Zhang Bo
	Zhang Lu

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Cong Pengwei,Tang Wei,Lou Chengwei等. Two-Stage Coordination Optimization Control of Soft Open Point and Tie Switch in Active Distribution Network with High Penetration Renewable Energy Generation[J]. Transactions of China Electrotechnical Society, 2019, 34(6): 1263-1272.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180324 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I6/1263

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