Current circuit arrangement for reducing the switch-on power dis

Details Current circuit arrangement for reducing the switch-on power dis Current circuit arrangement for reducing the switch-on power dis

1975-12-11

1977-07-12

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318227, 323 17, 323DIG1, 363131, H02D 516

Patent

active

040357031

ABSTRACT:
The current circuit arrangement is used to reduce the switch-on power dissipation of a power transistor which intermittently switches a direct-current voltage to an ohmic-inductive load and in which a voltage limiting diode is arranged parallel to the load. The current circuit arrangement employs a non-linear resistance member in series with the diode which resistance member includes at least one additional diode. In addition,a reactance member is used in parallel to the resistance member. Various one-phase and three-phase invertor stages may use the current arrangement.

REFERENCES:
patent: 3262036 (1966-07-01), Clarke et al.
patent: 3293532 (1966-12-01), Dubin et al.
patent: 3460021 (1969-08-01), Schlabach
patent: 3619753 (1971-11-01), Thompson
patent: 3736495 (1973-05-01), Calkin et al.

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