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The Preheat electronic ballasts
2013-03-05 14:07:43

Preheat electronic ballasts, the power supply circuit, the delay circuit and the preheating circuit and the switch circuit is constituted; wherein resonant capacitor across the lamp connected in parallel to a preheat start branch, the branch consists of a normally closed relay contacts and resistors and capacitors in series. Relay contacts which is equivalent to the lamp plus a jump bubble, it can overcome the shortcomings of the current electronic ballast, lamp and ballast work status improved, life has been extended.

 

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