Power factor correction system for a resistive load device

Details Power factor correction system for a resistive load device Power factor correction system for a resistive load device

1998-06-11

2000-08-22

Paschall, Mark

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219497, 219501, 374101, H05B 102

Patent

active

061076104

ABSTRACT:
A power factor correction system includes a sensing device in communication with a power supply to measure the line voltage on conventional service lines and detect any voltage fluxuations. A temperature controller receives power from the service lines and supplies an output voltage, based on the line voltage input, to one or more resistive loads, such as heater members. The heater members in turn are used to keep material in a molding device in a molten condition and within a certain temperature range. Fluctuations in the line voltage are detected by the sensing device which prevents corresponding changes in the voltage supplied to the resistive loads from the temperature controller.

REFERENCES:
patent: 3553428 (1971-01-01), McGhee
patent: 3961236 (1976-06-01), Redek et al.
patent: 4032746 (1977-06-01), Barsell
patent: 4340807 (1982-07-01), Raskin et al.
patent: 5142126 (1992-08-01), Teng
patent: 5582756 (1996-12-01), Koyama
patent: 5844207 (1998-12-01), Allard et al.

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