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Controlled ferroresonant transformer regulated power supply

  • US 3,965,408 A
  • Filed: 12/16/1974
  • Issued: 06/22/1976
  • Est. Priority Date: 12/16/1974
  • Status: Expired due to Term
First Claim
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1. A controlled ferroresonant transformer for a regulated power supply circuit arrangement comprisinga ferromagnetic electric transformer core comprising an E-shaped stack of laminations, and I-shaped stack of laminations and a C-shaped stack of laminations,a primary winding arranged on said I-shaped stack with said C-shaped stack adjacent and spaced by an air gap for imparting the effect of a filter choke,a secondary winding comprising two coils arranged on the outer legs of said E-shaped stack with the E-shaped stack adjacent said I-shaped stack and spaced by an air gap,a resonating winding comprising two coils arranged on the outer legs of said E-shaped stack, anda control winding arranged on the central leg of said E-shaped stack.

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