(c) Figure Q5(c) shows a without and with guard circuit of a Megger insulation resistance instrument. The instrument supplies a test voltage of 15 kV. The measurement without a guard terminal provides a current of 6.1 µA, while the current decrease to 1.1 µA when using a guard terminal. Determine the following: (i) The volume resistance of the cable insulation, ry. (ii) The surface leakage resistance, rs.

(c) Figure Q5(c) shows a without and with guard circuit of a Megger insulation resistance instrument. The instrument supplies a test voltage of 15 kV. The measurement without a guard terminal provides a current of 6.1 µA, while the current decrease to 1.1 µA when using a guard terminal. Determine the following: (i) The volume resistance of the cable insulation, ry. (ii) The surface leakage resistance, rs.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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