Harmonic, displacement and input power factor

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1. A single phase half controlled bridge rectifier operated from a120V 60Hz ac supply. The load
current with an average value of I is continuous and negligible ripple content. If the delay angle
of thyristors is 60, calculate,
i) The harmonic factor of the input current
ii) The displacement factor
iii) The input power factor




PF = Is1/Is2*cosψ



What is ψ? i think that ψ=arctan(wL/R), if so what are L and R?
 

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  • #2
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i need to solution in haste
 

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