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if using drives , (PAM or PWM) which method is suitable for transforme

if using drives , (PAM or PWM) which method is suitable for transforme

if using drives , (PAM or PWM) which method is suitable for transforme

(OP)
if using drives , (PAM or PWM) which method is suitable for transformers connecting output side of drive.?

RE: if using drives , (PAM or PWM) which method is suitable for transforme

PAM produces less HF. So, if you have an old transformer with PD sensitive windings, the PAM could have a slight advantage.
But, given that PWM is the dominating modulation technique, I would use a transformer with good PD resistance and go with that. Have done so with both resin insulated and oil insulated transformers. Power range 100 - 1000 kVA.

Gunnar Englund
www.gke.org
--------------------------------------
Half full - Half empty? I don't mind. It's what in it that counts.

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