Voltage control system

Details Voltage control system Voltage control system

1987-05-18

1989-02-14

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 61, 328 58, 307261, 307264, 307265, 363 89, H03K 504, H03K 5153, H02M 108

Patent

active

048049239

ABSTRACT:
A system for deriving a substantially constant output voltage from an alternating supply voltage of variable frequency and amplitude includes circuit responsive to negative-going zero crossing points of the supply for generating control signals whose duration depends on the number of points occurring in a predetermined time. A switching arrangement is responsive to the signals to interrupt the supply voltage, the interrupted voltage being applied through a transformer to an output circuit from which a d.c. output voltage is applied to spark igniters.

REFERENCES:
patent: 3798531 (1974-03-01), Allington
patent: 3979661 (1976-09-01), Matz
patent: 4480200 (1984-10-01), Tan et al.

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