230_VAC_FROM_115_VAC

Published:2009/7/12 23:55:00 Author:May | From:SeekIC

Connect 6.3-V filament transformers back.to-back as shown to get 230 V when step-up transformer is not available. 115-V windings must be phased properly in series; if wrong, output voltage will be zero.Output power rating at 230 V is somewhat less than twice the power (E x I) rating of smallest filament transformer. If 6.3-V 10-A transformers are used, power rating would be about 1000 W (less than 2 x 6.3 x 10).-A. E. McGee, Jr., Cheap and Easy 230 Volt AC Power Supply, 73 Magazine, Aug. 1974, p 64.



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