Re: 11 KV SUBSTATION / under ground cable tripped on earth fault Home › Electrical Engineering Forum › General Discussion › 11 KV SUBSTATION / under ground cable tripped on earth fault › Re: 11 KV SUBSTATION / under ground cable tripped on earth fault 2011/10/31 at 4:27 pm #12611 jatin333Participant dear, nothing to worry as per my opinion protetion system mal functioned,pl. check if protection system electronic PCB based it's ok nothing serious
