In Half-wave controlled rectifier calculate the average value of the voltage if the supply is 10sin(50t) and firing angle is 30°.(a) 2.32 V(b) 2.97 V(c) 4.26 V(d) 5.64 VI had been asked this question during an online exam.My question is taken from Solid State Controlled Drives in chapter Introduction to Solid State Controlled Drives of Electric Drives

In Half-wave controlled rectifier calculate the average value of the v

1.	In Half-wave controlled rectifier calculate the average value of the voltage if the supply is 10sin(50t) and firing angle is 30°.(a) 2.32 V(b) 2.97 V(c) 4.26 V(d) 5.64 VI had been asked this question during an online exam.My question is taken from Solid State Controlled Drives in chapter Introduction to Solid State Controlled Drives of Electric Drives
Answer» The CORRECT ANSWER is (B) 2.97 V To explain I would say: In Half-wave controlled rectifier, the average value of the VOLTAGE is VM(1+cos(∝))÷2π=10(1+cos(30°)÷6.28=2.97 V. The thyristor will conduct from ∝ to π.

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