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考虑潮流及灵敏度一致性的风电场静态等值新方法

DOI: 10.13334/j.0258-8013.pcsee.2015.13.005, PP. 3231-3238

Keywords: 风电场,静态等值,潮流,灵敏度,静态安全分析

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Abstract:

随着风电的快速发展,在电力系统分析中对风电场进行详细建模越来越困难,因此风电场等值越来越重要。针对现有方法的不足,提出一种新的风电场静态等值方法。该方法全面考虑边界节点为PV或PQ节点的情况,通过严格的理论推导,可以保持等值前后电力系统潮流及灵敏度的一致性,保证风电场静态等值的适应性和准确性。此外,通过灵敏度加权的方法对等值对地电容进行修正,可进一步保证风电场对边界节点电压无功响应的准确性。仿真结果验证了所提方法的有效性。

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