High power supply regulater 0-30V 20A by LM338

This is High current and Adjustable Volt 0 to 30V 20A.
It easy circuit and nice circuit, Because use IC LM338 and IC 741.
Volt Output adj by VR1-1K.
IC LM338 to hold heat-sink. Transformer is 20A up.

1-20V 10A adjustable dc power supply by LM338
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