Flyback Diode

From: "Michael" <QmQiQcQhQaQeQlQhQiQmQsQ@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 16 Feb 2007 19:36:21 GMT

Hi,

How do you go about choosing a suitable flyback diode for a 1.8kW 36V motor?
Does it have to be able to handle above the motor's stall current of 50A?

Cheers,

Michael

.

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Relevant Pages

Re: Flyback Diode
... How do you go about choosing a suitable flyback diode for a 1.8kW 36V ... Does it have to be able to handle above the motor's stall current ... You might get by with a smaller diode, but you would have to heat sink it ... approaching 90% of motor current will pass through the diode. ...
(sci.electronics.basics)
Re: Flyback Diode
... How do you go about choosing a suitable flyback diode for a 1.8kW 36V motor? ... You might get by with a smaller diode, but you would have to heat sink it very well to cover the worst case situation. ... At stall, something approaching 90% of motor current will pass through the diode. ...
(sci.electronics.basics)
Re: Flyback Diode
... Remember - Ambiguity is ERROR!!! ... Stall is motor standing still while being driven ... The "stall current " of a motor is the current drawn at the voltage ...
(sci.electronics.basics)
Re: Flyback Diode
... approaching 90% of motor current will pass through the diode. ... Remember - Ambiguity is ERROR!!! ... Stall is motor standing still while being driven ...
(sci.electronics.basics)
Re: Pictures -- VFD installed on the DP
... tried a 7/8" drill for now. ... although I have managed to stall ... Applying body weight on spokes. ... What was the ouput frequency of the drive when you stalled the motor? ...
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