Is there an aftermarket device that can be added to a Superior Electric Powerstat variable transformer 1296DU that can digitally adjust the voltage wheel effectively making it an autotransformer?
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Is there an aftermarket device that can be added to a Superior Electric Powerstat variable transformer 1296DU that can digitally adjust the voltage wheel effectively making it an autotransformer?
FRX501B
What you need is a powerline conditioner. They are designed to do what you state and come in all sorts of sizes.
The most commonly seen in north America is the Staco automatic voltage regulator.