Engineering, 06.05.2021 05:00 shanaz8199

A balanced bank of delta-connected capacitors is connected in parallel with the load described in Assessment Problem The effect is to place a capacitor in parallel with the load in each phase. The line voltage at the terminals of the load thus remains at 2450 V. The circuit is operating at a frequency of 60 Hz. The capacitors are adjusted so that the magnitude of the line current feeding the parallel combination of the load and capacitor bank is at its minimum. a) What is the size of each capacitor in microfarads?
b) Repeat (a) for wye-connected capacitors
c) What is the magnitude of the line current?
Problem
The magnitude of the line voltage at the terminals of a balanced Y-connected load is 6600 V. The load impedance is 240 − j70 Ω/ϕ. The load is fed from a line that has an impedance of 0.5 + j4 Ω/ϕ.
a) What is the magnitude of the line current?
b) What is the magnitude of the line voltage at the source?

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A balanced bank of delta-connected capacitors is connected in parallel with the load described in As...