【Daily Question】Utilities - Mechanical & Electrical - 20200620
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Multiple choice: The contents of the handover tests for power cables include ( ). A. Measurement of insulation resistance B. DC withstanding voltage C. Leakage current measurement D. AC withstanding voltage E. Tangent of dielectric loss Angle Answer: ABCD
A, B, C, D. “The inspection tests for power cables include: measuring insulation resistance; DC withstand voltage test and leakage current measurement; AC withstand voltage test; measuring the resistance of the metal shielding layer and the ratio of the conductor’s resistance; checking the phase at both ends of the cable circuit; insulation oil tests for oil-filled cables; and tests for cross-linked systems.”