±800kV特高压直流输电系统特征谐波分析Analysis of Characteristic Harmonics in ±800kV Ultra High Voltage Direct Current Power Transmission System
李战鹰;李建华;夏道止;
摘要(Abstract):
将统一基波和特征谐波潮流算法用于分析±800kV特高压直流输电系统的特征谐波,建立了能模拟换流装置非线性特性的双12脉动换流器数学模型,实现了基波潮流和谐波潮流的统一求解。计算结果表明由双12脉动串联结构换流器构成的±800kV特高压直流输电系统的交流侧会产生12k±1次的特征谐波,其直流侧会产生12k次的特征谐波,与理论分析的结果一致。由于考虑了换流站交直流侧谐波的相互作用,该计算结果与实际情况更为接近。
关键词(KeyWords): 特高压直流(UHVDC);特征谐波;统一基波和特征谐波潮流算法
基金项目(Foundation):
作者(Author): 李战鹰;李建华;夏道止;
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参考文献(References):
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