Three Phase Fault Analysis With Auto Reset On Temporary Fault And Permanent Trip Otherwise

This project 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, 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, 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.

3750

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Hardware
NameQty.PriceLinkAlt. Link
Resistor 220R33
Resistor 10K55
Resistor 1K88
Resistor 4.7k11
Resistor 2.2K22
Resistor 100k11
Resistor 330R11
10K-PRESET118

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You will have to personally come to our offices to pick your project up if you Buy Offline,  alternatively you can Buy Online and your project kit will be shipped to you.

  • Powerpoint Presentation 
  • Project Abstract
  • 100% Output Gauranteed
  • 100% Money Back Gauranteed
  • Cash on Delivery
  • Complete Explanation about the working of the project
  • Free Blackbook Printing
  • Free Technical Counselling Session
  • Powerpoint Presentationnbsp;
  • Project Abstract
  • 100% Output Gauranteed
  • 100% Money Back Gauranteed
  • Cash on Delivery
  • Complete Explanation about the working of the project
  • Free Blackbook Printing
  • Free Technical Counselling Session

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