Ключові слова
stator windings
equivalent circuit
impedance method
quality factor
resonance frequency
dielectric loss tangent корпусная электроизоляционная система
обмотки статора
схема замещения
метод комплексных сопротивлений
добротность
резонансная частота
тангенс угла диэлектрических потерь
Як цитувати
Анотація
Представлена Т-образная схема замещения асинхронного фазового двигателя с глухим соединением в «звезду» фаз обмотки статора. Приведены расчетные и экспериментальные частотные зависимости добротности цепи «фаза–фаза» в зависимости от тангенса угла диэлектрических потерь корпусной изоляции. Установлено, что на резонансной частоте в режиме измерения индуктивности характеристики электроизоляционной сис-темы значимо отличаются в сравнении с режимом измерения емкости корпусной системы электрической ма-шины. Библ. 22, табл. 1, рис. 5.
Посилання
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