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The modeling of harmonic source based on harmonic measurement is put forward for the first time. Three-phase fundamental and harmonic models of the whole power system are built in the paper. Then, the power system harmonics penetration (PSHP) software package is developed on VC++ circumstance. Zhengzhou, Luoyang and Sanmengxia electric power system in Henan grid are studied, and the harmonics and...
This paper has summarized the history of the development of the state monitoring system of the power transformer and introduced the present situation in research, especially the multifold comparison on different methods to diagnose the trouble in transformer. This paper not only takes the comprehensive analysis on the extant online monitoring equipments, which is based on DGA, and methods of trouble...
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