Circuit arrangement in which a capacitor unit is connected in se

Details Circuit arrangement in which a capacitor unit is connected in se Circuit arrangement in which a capacitor unit is connected in se

1986-07-03

1987-06-09

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318816, 320 1, H02P 144

Patent

active

046722904

ABSTRACT:
A circuit arrangement is disclosed in which a capacitive unit suitable for a.c. operation is connected in series with an a.c. load. An extension of the life of the capacitors can be achieved by having the capacitor unit consist of two capacitors connected in series either on the same side of the consumer or on opposite sides of the consumer, and that a separate rectifier diode is connected in parallel with each capacitor. Both rectifier diodes are connected with its forward direction opposite with relation to each other. This prevents reverse polarity voltage and charge, as well as reduces the duty cycle by fifty percent, thereby polarizing electrolytic capacitor life.

REFERENCES:
patent: 3041501 (1962-06-01), Willits
patent: 3303402 (1967-02-01), Martin
patent: 3432738 (1969-11-01), Jensen

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