Page 77 - Practical Power System and Protective Relays Commissioning
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74 Practical Power System and Protective Relays Commissioning
FIGURE 6.6 Cable conductor DC resistance test.
FIGURE 6.7 DC insulation sheath test.
6.4.3 DC Insulation Sheath Test
This test is done by using 10 kV for 1 minute. During this test, all links in
the link boxes of the cable should be disconnected from the earth. The leak-
age current is measured as shown in Fig. 6.7.