Ballast striker circuit

Details Ballast striker circuit Ballast striker circuit

1987-06-22

1988-10-11

Moore, David K.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Arc machining

315238, 315207, H05B 3700

Patent

active

047774100

ABSTRACT:
A striker circuit is provided for high intensity discharge lamps that uses a clamping circuit applied to the AC line current to generate a clamped voltage differential for striking the lamp. A clamped voltage differential is generated at fixed intervals until the lamp is struck. The emission of the clamped voltage differentials is stopped when the current flowing through the lamp is above a fixed value. The clamped voltage differential is reclamped if it drifts from its desired, clamped waveform.

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