i am new, power transformer question

i_drives · 20th November 2003, 05:59 PM

hi all

i want to make my own power supply
the powe supply has three outputs(2 positive, 1 negative).
output voltage is 25V to 30 V @ 3A.
but i do not know what knid of power transformer to choose.
a secondary or multi secondary?

thanks

Jeff R · 25th November 2003, 12:53 AM

You say you want three outputs, but you only listed one. Tell us a little more and we might be able to help. I presume the input power is 120 VAC, 60 Hz?

20th November 2003, 05:59 PM	#1
i_drives diyAudio Member Join Date: Nov 2003 Location: toronto	i am new, power transformer question hi all i want to make my own power supply the powe supply has three outputs(2 positive, 1 negative). output voltage is 25V to 30 V @ 3A. but i do not know what knid of power transformer to choose. a secondary or multi secondary? thanks

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25th November 2003, 12:53 AM	#2
Jeff R diyAudio Member Join Date: Nov 2002 Location: Florida	You say you want three outputs, but you only listed one. Tell us a little more and we might be able to help. I presume the input power is 120 VAC, 60 Hz?