> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Jim Ruxton
> Sent: Friday, February 07, 2003 8:56 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [OT]: Whats an alternative to bleeder resistor
>
>
> I'm designing a variable frequency drive, so rectifying and filtering a
> 120 volt AC wave. This results in about 160 volt's DC. When I turn it
> off I bleed the voltage off through a couple of 1/2 watt 100k ohm
> resistors. This seems to take for ever to bleed. Is my best option to
> just reduce the ohms and increase the wattage to speed this up. Any
> other simple solutions? Thanks.
> Jim
>
A Normally closed relay with a lower value resistor?
While powered the resistor is not in the circuit.
(I use vacuum contacts to short the high voltage supplies on power down!)

  *
  |  __O    Thomas C. Sefranek   WA1RHP@ARRL.NET
  |_-\<,_   Amateur Radio Operator: WA1RHP
  (*)/ (*)  Bicycle mobile on 145.41, 448.625 MHz

http://hamradio.cmcorp.com/inventory/Inventory.html
http://www.harvardrepeater.org

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.