D-C control element circuit

Details D-C control element circuit D-C control element circuit

1975-04-30

1976-06-22

Shoop, William M.

Electricity: power supply or regulation systems

Remote sensing

323DIG1, H02M 7155

Patent

active

039654095

ABSTRACT:
In a d-c control circuit of a type comprising a controllable main valve, a commutation capacitor, a commutation choke and controllable commutation valve, a flyback valve arranged antiparallel to the main valve and a bypass valve, provision is made for connecting between the d-c voltage source and the main valve the primary winding of a transformer whose secondary winding, in series with a blocking diode, is connected parallel to the d-c voltage source. Additionally, provision is also made for connecting the commutation valve antiparallel to the bypass valve. With the d-c control circuit so configured, the load current can now flow in both directions.

REFERENCES:
patent: 3321697 (1967-05-01), Etter
patent: 3538419 (1970-11-01), Seki et al.
patent: 3621366 (1971-11-01), Duff et al.
patent: 3652874 (1972-03-01), Partridge

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