The project is designed to develop an?automatic tripping mechanism?for the three phase supply system. The project output resets automatically after a brief interruption in the event temporary fault while it remains in tripped condition in case of permanent fault.
The electrical substation which supply the power to the consumers i.e. industries or domestic can have failures due to some faults which can be temporary or permanent. These faults lead to substantial damage to the power system equipment. In India it is common to observe the failures in supply system due to the faults that occur during the transmission or distribution.
The faults might be LG (Line to Ground), LL (Line to Line), 3L (Three lines) in the supply systems and these faults in three phase supply system can affect the power system. To overcome this problem a system is built, which can sense these faults and automatically disconnects the supply to avoid large scale damage to the control gears in the grid sub-stations.
This system is built using three single phase transformers which are wired in star input and star output, and 3 transformers are connected in delta connections, having input 220 volt and output at 12 volt. This concept low voltage testing of fault conditions is followed as it is not advisable to create on mains line. 555 timers are used for handling short duration and long duration fault conditions.
A set of switches are used to create the LL, 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.
Q. Do you provide report, circuit diagram, block diagram and other required project?
A. Yes of course, we do provide these materials along with project explanation through face-to-face interaction or video call/voice call.
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A. All our projects have been designed and developed in-company by a highly experienced team of engineers. All the components, PCB and other hardware are extensively tested before shipping the project.
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