i need help making circuit that sense the current change (di/dt)in overhead current

Thread Starter

ehab_salama91

Joined Jan 13, 2011
3
hello guys i really need ur help in making circuit that can sense the current fault using the di/dt technique and then it indicate the fault by turning on led then i use timer to reset back the led off if the current returned back to its value plz help me guys
 

beenthere

Joined Apr 20, 2004
15,819
That is hard to understand. Do you mean to detect a lamp failure by monitoring current? Or is this to detect a short circuit?
 

Thread Starter

ehab_salama91

Joined Jan 13, 2011
3
i need to design circuit that indicate if there is any failure in the current in the cable of the overhead transmission line that will light led when there is failure in the transmission line and i want do that by hardware
thanks alot for replying me and i hope u can tell me about what i need
thanks again
 
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