Question
In a three-phase system, each phase has a voltage of
400V. Calculate the line voltage (phase-to-phase voltage) in the system.Solution
For a three-phase system with balanced voltages, the line voltage (VL) is related to the phase voltage (VP) by the following formula: VL = √3 * VP. Given: Phase voltage (VP) = 400 volts Line voltage (VL) = √3 * 400 = 692.82 volts (approximately)
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