Commutation circuit for a converter

Details Commutation circuit for a converter Commutation circuit for a converter

1975-11-25

1977-04-19

Shoop, William M.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

321 2, 318227, H02M 7515

Patent

active

040191168

ABSTRACT:
A commutation circuit for a converter is disclosed. The circuit comprises an intermediate DC link which is coupled at one end to the converter and which includes a smoothing choke. A DC controller is coupled to the other end of the DC link and includes a controlled main valve and a quenching arrangement which is shunted across the main valve and comprises a quenching capacitor in series with controlled quenching valve. In accord with the invention the aforesaid smoothing choke and quenching capacitor serve as the respective quenching capacitor and quenching choke for sum quenching of the controlled valves of the converter.

REFERENCES:
patent: 3538419 (1970-11-01), Seki et al.
patent: 3691439 (1972-09-01), Jensen et al.
patent: 3717807 (1973-02-01), Seki
patent: 3854078 (1974-12-01), Hubner
patent: 3872364 (1975-03-01), Hubner
patent: 3887862 (1975-06-01), Hubner
IBM Technical Disclosure Bulletin, "Switch Voltage Regulator", E. A. Menard & J. R. Cielo, vol. 6, No. 8, Jan. 1964, pp. 31-32.

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