> if the load is
> inductive (or capacitive) there will be a phase shift between the DC
> voltage and DC current. However, the fact remains that a triac will turn
> off when conducting the DC current of a half or full wave rectified
signal.

It's more than just a phase shift issue.  Series inductance can cause the
current to never reach zero (or fall below the triac dropout current).


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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