Math Problem Statement
Cho mạch chỉnh lưu có điều khiển cầu một pha tải R. Biết nguồn có biên độ 279 V, f=50 Hz. Tải R=25 Ω và góc kích α=45°. Điện áp trung bình (V) trên tải là:
Solution
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Math Problem Analysis
Mathematical Concepts
Electrical Engineering
Rectifiers
AC Voltage
Trigonometry
Formulas
V_tb = (V_m / π) * (1 + cos(α))
V_eff = V_m / √2
Theorems
Rectifier Average Voltage Calculation
Suitable Grade Level
Undergraduate Electrical Engineering
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