Temperature compensated, regulated power supply and battery char

Details Temperature compensated, regulated power supply and battery char Temperature compensated, regulated power supply and battery char

1992-09-15

1995-09-19

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

H02J 710

Patent

active

054518571

ABSTRACT:
A temperature compensated, regulated power supply and battery charger for supplying power to railroad warning lights and crossing gates utilizes a ferroresonant transformer having a primary winding, a secondary winding, and a resonant circuit in magnetic circuit therewith. Voltage regulation is accomplished at essentially no load conditions by the use of a temperature sensing element and a shunt regulator connected in circuit with the output terminals of the secondary winding. The shunt regulator varies the output voltage at the output terminals in response to temperature sensed by the temperature sensing element during essentially no load conditions.

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