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Analysis about the Effect of TSQ-GBJ HVDC System on Harmonics in Guangxi Power Grid
Author(s): 
Pages: 10-12
Year: Issue:  3
Journal: GUANGXI ELECTRIC POWER

Keyword:  直流输电谐波测量交直流运行;
Abstract: 天广直流投运调试期间,对隆林变、沙塘变、来宾变进行了谐波测量,在天广直流单极--大地回线的运行方式时,随直流负荷的增大,三个变电站的电压总畸变率均增大,主变噪声也随之增大,其中隆林变220 kV母线电压总畸变率超过国标限值.在天广直流单极--金属回线运行方式时,对沙塘变进行测量,结果表明直流负荷的变化对沙塘变影响不大.
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