ausphil
We found the fault, it was located very close to the ceiling end after the tri-fucating joint.
In an attempt to repair the cable, we removed the outer pvc and lead jackets from the cable, followed by the screen and damaged insulation. the core was examined and no defect seen. we then...
Hi
we recently repaired a 66 kV oil filled cable which was damaged by third party
Upon doing the final I/R test, the blue phase to earth reading was 92 M ohms. R and W phases were both in the range of 2.5 G ohms. the phase to phase readings were as follows R-W 3 G ohms , R-B and W-B 440 M ohms...
hi
we recently used 3 - 3 core cables ( one cable for each phase - for ampacity issues ) for the lv of a 33/6.6 kV T/F and there was a resultant current circulating through the armour of the cable which was connected to the T/F lv cable box and the earth bar of the switch gear.
can anyone say...
