Flash strobe power supply system and method

Details Flash strobe power supply system and method Flash strobe power supply system and method

H - Electricity

05

B

H05B 41/30 (2006.01) B60Q 1/26 (2006.01) B60Q 1/46 (2006.01)

Patent

CA 2446678

A reliable strobe power supply is disclosed that provides requisite light energy for emergency uses without causing EMI problems. A two phase dual flyback power converter operating in transitional mode is disclosed containing a microcontroller that maintains a 180 degree displacement between the two phases by enabling a small, variable dead time between the cessation of stored energy in the flyback transformers and turn-on of the associated power switching transistor for one or the other phases. The power supply is capable of detecting a fault (neoning) and automatically correcting the condition by incrementing the flash capacitor charge off time delay. The power supply is also capable of tolerating defective (persistently neoning) strobe tubes that cause an inordinate delay in capacitor charging by turning them off.

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