Winding deformation judgment method based on frequency response analysis (FRA)
The invention discloses a winding deformation judgment method based on frequency response analysis (FRA). The method comprises the steps that a method is established according to a transformer windingequivalent circuit model, the influence law of a winding physical form on winding RLC and other dist...
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| creator | ZHAO PUYU ZHANG YUNSHAN GUAN CHUNMEI QIN HONGWEI ZHANG HUA GAO FENG HU JINXIN PEI YUJIE YANG JIZHOU ZHANG LIXUE XU JIANGUO FANG BO BAI ZHONGBIN HU YAQING MA ZUOYUAN ZHU CHUNWEI ZHANG KUI FENG LEI ZHANG YANG |
| description | The invention discloses a winding deformation judgment method based on frequency response analysis (FRA). The method comprises the steps that a method is established according to a transformer windingequivalent circuit model, the influence law of a winding physical form on winding RLC and other distribution parameters is analyzed, a winding system parameter identification technology is determined, influence factors of winding circuit parameters are summarized, the relation between winding system parameter changes and deformation factors is obtained, a sweep frequency impedance curve is used for judgment, and a short-circuit reactance method and a frequency response method are combined and can be called a "sweep frequency impedance method". The sweep frequency impedance method is a novel transformer winding deformation test method, well combines the characteristics of the two test methods, makes a big breakthrough in test principle and has the advantages that test equipment is simple and easy to carry, the sen |
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The method comprises the steps that a method is established according to a transformer windingequivalent circuit model, the influence law of a winding physical form on winding RLC and other distribution parameters is analyzed, a winding system parameter identification technology is determined, influence factors of winding circuit parameters are summarized, the relation between winding system parameter changes and deformation factors is obtained, a sweep frequency impedance curve is used for judgment, and a short-circuit reactance method and a frequency response method are combined and can be called a "sweep frequency impedance method". 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The method comprises the steps that a method is established according to a transformer windingequivalent circuit model, the influence law of a winding physical form on winding RLC and other distribution parameters is analyzed, a winding system parameter identification technology is determined, influence factors of winding circuit parameters are summarized, the relation between winding system parameter changes and deformation factors is obtained, a sweep frequency impedance curve is used for judgment, and a short-circuit reactance method and a frequency response method are combined and can be called a "sweep frequency impedance method". The sweep frequency impedance method is a novel transformer winding deformation test method, well combines the characteristics of the two test methods, makes a big breakthrough in test principle and has the advantages that test equipment is simple and easy to carry, the sen</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING |
| title | Winding deformation judgment method based on frequency response analysis (FRA) |
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