Answer Posted / ippili varun kumar
ferranti effect occurs when no load or light load conditions,under this conditions receiving end voltage grater then sending end voltage.in another way the reactive power generated is more than reactive power absorbed. ferranti effect due to under light load condition line capacitance in phase with appilied voltage. It only occurs in light medium or long transmission line .it is not present in short transmission line why because effect of capacitance negligible.but in case of under ground cables it present in short lines also due to high capacitance.
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