phuhung26092002 phuhung26092002

08-01-2023
Physics

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Chọn Aptomat dùng để đóng cắt cho mạch gồm các thiết bị sau:
a. Điều hòa có Pđm = 1,8Kw; Uđm = 220V; cos = 0.8; (ICD = 1,5x Itt)
b. Máy tiện T630 có Pđm = 7Kw; Uđm = 380V; cos = 0.8; (ICB = 2xItt)

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