Zero phase switching for multi-phase systems

Details Zero phase switching for multi-phase systems Zero phase switching for multi-phase systems

1977-10-20

1979-09-11

Shoop, William M.

Electricity: power supply or regulation systems

Remote sensing

307252UA, G05F 300

Patent

active

041676963

ABSTRACT:
A multi-phase, zero phase control apparatus is disclosed having switches for controlling the application of power from a multi-phase source to a load and a control apparatus for energizing the switches to conduct current to the load beginning at the zero point in the current cycle, wherein the control apparatus has a synchronization network to insure that the control apparatus is synchronized to the line current regardless of the conductive states of the switches.

REFERENCES:
patent: 3497796 (1970-02-01), Konrad
patent: 3671849 (1972-06-01), Kingston
patent: 3764890 (1973-10-01), Caen
patent: 3958172 (1976-05-01), Beck

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