arcing on 13.7kv transformer inlet
arcing on 13.7kv transformer inlet
(OP)
hi guys,
it has been reported to me that on a distribution transformer (750KVA , 13.7 Kv) an arcing had caused the definitive damage of the transformer.




i was wondering if some of you already experienced this kind of problem , and if the caps on the unsused HV inlets are sufficent in term of insulation , as this transformer is in a tropical country (Haïti to be precise).
the local electrical engineer is only focused on a sabotage , because of the hole in the cap , he seem to ignore the effect of high voltage on thin insulation :)
so i would like to have you opinion on that problem , who seems to me to be a insulation defect of the inlet connector and maybe a cap not appropriate for securing the unused inlets.
thanks in advance
best regards
Jean Michel
it has been reported to me that on a distribution transformer (750KVA , 13.7 Kv) an arcing had caused the definitive damage of the transformer.
i was wondering if some of you already experienced this kind of problem , and if the caps on the unsused HV inlets are sufficent in term of insulation , as this transformer is in a tropical country (Haïti to be precise).
the local electrical engineer is only focused on a sabotage , because of the hole in the cap , he seem to ignore the effect of high voltage on thin insulation :)
so i would like to have you opinion on that problem , who seems to me to be a insulation defect of the inlet connector and maybe a cap not appropriate for securing the unused inlets.
thanks in advance
best regards
Jean Michel






RE: arcing on 13.7kv transformer inlet
RE: arcing on 13.7kv transformer inlet
Link
Link
Link
pictures of arcing
RE: arcing on 13.7kv transformer inlet
RE: arcing on 13.7kv transformer inlet
Google bushing well plug and several suppliers come up.
Regards
Marmite
RE: arcing on 13.7kv transformer inlet
RE: arcing on 13.7kv transformer inlet
unfortunately , the supplier / installer saw the word "sabotage" and as this sound good to him (cancellation of warranty and supplying us a brand new transformer ) i predict we 'll have a hard time to convince him to repair and correct the installation , at his cost.
thanks again , from Haïti
with my best regards
Jean Michel
RE: arcing on 13.7kv transformer inlet
Looks like Pioneer Transformer to me... now Pauwels.
RE: arcing on 13.7kv transformer inlet
Jean Michel
RE: arcing on 13.7kv transformer inlet
best regards
Jean Michel