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Resistance to trigger master-slave (240V)

Discussion in 'General Electronics Discussion' started by VesaS, May 10, 2013.

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  1. VesaS

    VesaS

    1
    0
    May 10, 2013
    I have vacuum cleaner which starts when starting the tool connected to it. Now I want to start it without any tools, just switch on resistive load to start it. (This fits my needs best.)

    Master-slave circuit in vacuum cleaner needs 40W consumption to start it (tested with light bulb). I calculated that resistance should be 1.3 kohm to generate that wattage. Did I calculate it right and is this something you would do yourself?

    I planned to use 2*680 ohm, 50W resistors + heat sink. And 200 mA fuse.

    Thanks for your advice.

    Vesa
     
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