K
Knobhead
This was posted on one of the other forums I go on. Just see if you can work out this fault (it's been on a bit of a body building course).
Dear Sirs,
In our plant we have 2no.s substations no.1 substation has a main switchboard with 2no.s11/.44KV 1600KVA tx They connected to switchboard by 2no.s acbs and a bustie. No.2 substation has no tx it is supplyed by 2no.s acbs from substation 1 it has bestie. I have removed bustie nutral at substation 1 all single ph thing are fed from substation 2 bustie open with nutral. The earth abcs at no1 swichboard keep trips they feed switchboard2
Can you help pleasse
There have been a couple of threads in the last few weeks with exactly the same fault. I’ll post a drawing later but that would give the game away to quickly. You have to try and picture it from the description.
E54 and Malcolm are not allowed to answer.
Dear Sirs,
In our plant we have 2no.s substations no.1 substation has a main switchboard with 2no.s11/.44KV 1600KVA tx They connected to switchboard by 2no.s acbs and a bustie. No.2 substation has no tx it is supplyed by 2no.s acbs from substation 1 it has bestie. I have removed bustie nutral at substation 1 all single ph thing are fed from substation 2 bustie open with nutral. The earth abcs at no1 swichboard keep trips they feed switchboard2
Can you help pleasse
There have been a couple of threads in the last few weeks with exactly the same fault. I’ll post a drawing later but that would give the game away to quickly. You have to try and picture it from the description.
E54 and Malcolm are not allowed to answer.