Noise lower than with sliprings. Rotary transformer transfers electric power across rotary joint. No wearing contacts, no contact noise, and no contamination from lubricants or wear debris. Because additional inductor not required, size and complexity of circuit reduced considerably.
Rotary Power Transformer and Inverter Circuit
NASA Tech Briefs ; 9 , 2
1985-10-01
Miscellaneous
No indication
English
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