Can people suggest a manufacturer of xfmr tap changer controls for large autos in high voltage applications, that supports xfmr paralleling and master-follower arrangements? I want SCADA to be able to remotely sets the tap of one xfmr, and I want the tap on the parallel xfmr to blindly follow (maybe based on minimizing circulating current, ignoring voltage regulation). (Beckwith tech support reports they do not have any means to support master follower tap changer logic, so I am looking for an alternate mfr.) BTW, auto voltage control mode cannot be used to control taps due to generation on both sides of the xfmrs.
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