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In a megger, why is a high DC voltage (typically 500 V to 5000 V) used instead of a low DC or AC voltage for insulation resistance measurement?
High voltage is required to saturate the megger's internal generator
High voltage stresses the insulation to detect possible weaknesses
High voltage ensures the deflection torque is maximised
High voltage overcomes the capacitive reactance of the insulation
High voltage stresses the insulation to detect possible weaknesses
Practice and solve "In a megger, why is a high DC voltage (typically 500 V to 5000 V) used instead of a low DC or AC vol..." for 01 ADDITIONALASSISTANTENGINEERELECTRICAL - GSSSBAAEElectrical 2026. The correct answer is Option B: High voltage stresses the insulation to detect possible weaknesses. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "In a megger, why is a high DC voltage (typically 500 V to 5000 V) used instead of a low DC or AC vol..." for 01 ADDITIONALASSISTANTENGINEERELECTRICAL - GSSSBAAEElectrical 2026. The correct answer is Option B: High voltage stresses the insulation to detect possible weaknesses. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.