Luminaire system

Details Luminaire system Luminaire system

1988-06-06

1990-05-29

Pascal, Robert J.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

315DIG5, 315291, 362190, H05B 3702

Patent

active

049298739

ABSTRACT:
A portable high pressure sodium lamp lighting system is mounted on a mobile cart, the cart carrying a mobile power supply in the form of an automotive type battery. The portable lighting system employs a standard high pressure sodium luminaire designed to be driven by 115 volt 60 cycle utility generated power. A DC to AC converter is employed which converts the DC battery supply to a 115 volt simulated 60 cycle supply. The AC characteristic is simulated by generating a quasi-square wave form which approximates a 60 cycle characteristic when driving the luminaire.

REFERENCES:
patent: 4232357 (1980-11-01), Dietz
patent: 4796172 (1989-01-01), Chestnut

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