ECN Forum Forums Photo Discussion Forums Photos for General Discussion LV meltdown in Titirangi

Here are the pics from Ray:

T 1 transformer at Atkinson Rd substation, Titirangi. At the top is the terminal box, the 11 kV cable goes to the back of the TX to the stands LHS, the 33 kV is on the middle near the header tank:




Close-up of terminal box and marks from oil vented through gasket:




Terminal box open, left hand cable damaged, this being the Blue phase:




Terminal box from a different angle:




Cable gland removed and cable disconnected from box.
The black pipe was used for bleeding the reservoir.
The red lead was from the 5kV megger:




Close-up of damage to the cable:




11kV stands, the fault current melted the heatshrink adhesive from the rain-shields on two phases:




More to come later......