RE: Ramping instead of zero-crossing

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???
07/14/04 16:32
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#74235 - RE: Ramping instead of zero-crossing
Responding to: ???'s previous message

blocking ("not triac") device resistance ...... if not triac, then what? Two big MOSFETs in two directions? An optocoupler with 5V:230V ratings? A potentiometer with some kind of drive?

Have you calculated the heat generated in the "blocking device". Assuming 220V and 10A you will generate (just a bit less than) 2200 Watts initially and I would like to see a device (MOSFET/potentiometer) that can take that.

Erik

List of 23 messages in thread

Topic Author Date
Ramping instead of zero-crossing              01/01/70 00:00
   RE: Ramping instead of zero-crossing              01/01/70 00:00
      This is the fundamental flaw              01/01/70 00:00
   RE: Ramping instead of zero-crossing              01/01/70 00:00
      RE: Ramping instead of zero-crossing              01/01/70 00:00
         RE: Ramping instead of zero-crossing              01/01/70 00:00
            RE: Ramping instead of zero-crossing              01/01/70 00:00
               RE: Ramping instead of zero-crossing              01/01/70 00:00
   RE: Ramping instead of zero-crossing              01/01/70 00:00
   RE: Ramping instead of zero-crossing              01/01/70 00:00
   RE: Ramping instead of zero-crossing              01/01/70 00:00
      RE: Ramping instead of zero-crossing              01/01/70 00:00
         RE: Ramping instead of zero-crossing              01/01/70 00:00
         RE: Ramping instead of zero-crossing              01/01/70 00:00
            RE: Ramping instead of zero-crossing              01/01/70 00:00
               RE: Ramping instead of zero-crossing              01/01/70 00:00
                  RE: Ramping instead of zero-crossing              01/01/70 00:00
   RE: Ramping instead of zero-crossing              01/01/70 00:00
      RE: Ramping instead of zero-crossing              01/01/70 00:00
         RE: Ramping instead of zero-crossing              01/01/70 00:00
            RE: Ramping instead of zero-crossing              01/01/70 00:00
               RE: Ramping instead of zero-crossing              01/01/70 00:00
                  RE: Ramping instead of zero-crossing              01/01/70 00:00

Back to Subject List

Topic	Author	Date
Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
This is the fundamental flaw		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
*RE: Ramping instead of zero-crossing*		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00
RE: Ramping instead of zero-crossing		01/01/70 00:00