When feeding "pulsating dc" to the transformer, it must have a core size similar to a 50 or 60 Hz transformer. It can't use a ferrite core.can a high frequency transformer be used to step-up the pulsating dc ??
The transformer has high frequency AC, not DC pulses. The high frequency allows a very small transformer that has a ferrite core instead of a huge low frequency transformer with an laminated iron core.FvM said:When feeding "pulsating dc" to the transformer, it must have a core size similar to a 50 or 60 Hz transformer. It can't use a ferrite core.can a high frequency transformer be used to step-up the pulsating dc ??
Inverters utilizing a mid frequency transformer feed a high voltage DC bus (e.g. 150 or 300 V) through a mid frequency DC/DC converter and operate a full bridge sine PWM at the high voltage level. In other words, they need two cascaded power stages.
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