Charging capacitor from rectified mains? Answered
recently my father brought 2 6400uf 400v phillips from his work. i want to charge it with rectiried mains. will be using them in paralell for coilgun
1) what is the voltage of 220v mains when rectified?(my voltmeter bunt)
2) when i try to charge them directly from a rectifier it melts my wire due to current. unfortunately i donot have a high power resistor to limit the current. How can i solve this without buying a high power resistor?
3) I want an led to light up when the voltage from the rectified mains is attained.
4)what will be the best. a 55 amp relay or a 75amp switch. i know that the switch can handle much more current but will the switching be quick enough?
thanks in advance.