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Abstract:
通过调查,福建电网绝大多数测点的谐波畸变率出现超标,谐波超标会使继电保护误动;变压器损耗增加,寿命减少;电容器阻抗减少,电流增大,降低电容器使用寿命;还会改变系统谐波阻抗的频率特性,产生并联谐振,引起过电压和过电流,危及电力系统安全.因此,对谐波影响应引起足够的重视.对大、中、小非线性负荷用户,必须满足电能质量要求,若超标限期改正,就地安装滤波装置.
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电力建设
ISSN: 1000-7229
CN: 11-2583/TM
Year: 2006
Issue: 2
Volume: 27
Page: 40-41,44
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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