Physics
Physics, 07.09.2021 06:30, tbt81

Cho sơ đồ chỉnh lưu hình tia 3 pha làm việc ở chế độ nghịch lưu phụ thuộc như hình 2-07-C2. Biết
ua=220
2
sin100t(V), ub=220
2
sin(100t-2/3)(V),
uc= 220
2
sin(100t+2/3)(V), La=1mH, E =-200V,
R = 2, L = ,  = 2
0
, Id = 27,2A. Hãy:
a) Xác định góc điều khiển .
b) Vẽ dạng sóng điện áp trên tải u’d.

answer
Answers: 1

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Cho sơ đồ chỉnh lưu hình tia 3 pha làm việc ở chế độ nghịch lưu phụ thuộc như hình 2-07-C2. Biết <...

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