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3 results on '"Liang, Yuelong"'

1. A principle and method of the protection of transformer longitudinal insulation

Author

Liang Yuelong, Xie Yanying, Wen Yuanfang, Yan Xianglian, and Liu Chun

Subjects
Isolation transformer, Materials science, business.industry, Flyback transformer, Electrical engineering, Structural engineering, Distribution transformer, law.invention, Rotary transformer, law, Energy efficient transformer, Transformer effect, business, Transformer, Delta-wye transformer
Abstract

In this paper, the inner protection effect of MOVs parallel to multi-section of continuous windings is studied by testing. A principle and method of the protection of transformer longitudinal insulation are also presented. This paper introduces the lifetime test procedure of MOV in high temperature oil.

Published
2002

2. State signal and fuzzy membership function of fault diagnosis in electrical equipment

Author

Zang Chunyan, Tang Chi, Wen Yuanfang, Yan Xianglian, Liu Chun, and Liang Yuelong

Subjects
Fuzzy electronics, Fuzzy classification, Computer science, Fuzzy mathematics, Fuzzy set, Fuzzy set operations, Fuzzy number, Control engineering, Defuzzification, Fuzzy logic
Abstract

It is an effective approach to combine state signal processing with fuzzy mathematics for recognizing fuzziness and randomness clearly. This paper shows how the fuzzy membership functions are obtained from results of signal processing of fault diagnosis in electrical equipment. Hence the properties of electrical equipment are revealed more thoroughly. Finally, this method is proved to be effective by an example.

Published
2002

3. Genetic diversity in six natural populations ofBetula luminiferafrom southern China

Author

Huang HuaHong, Zhang JunHong, Tong ZaiKang, Liang YueLong, Chen YiLiang, and Cheng LongJun

Subjects
Genetic diversity, Ecology, Genetic distance, Genetic structure, Genetic variation, Biodiversity, Amplified fragment length polymorphism, Biology, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Gene flow, Woody plant
Published
2010

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