12-11-2014, 12:18 PM
Abstracts: This concept low voltage testing of fault conditions is followed as it is not advisable to create on mains line. A set of switches are used to create the LG and 3L fault in low voltage side, for activating the tripping mechanism. Short duration fault returns the supply to the load immediately called as temporary trip while long duration shall result in permanent trip. The concept in the future can be extended to developing a mechanism to send message to the authorities via SMS by interfacing a GSM modem.