Hi folks. I'm currently designing a 4000w LED chip array in which I plan on using 3x 1500w 12v switch mode power supply's. A DC-DC converter will convert the 12v to 35v powering two chips. This totals to 20 step up converters and 3 switch mode power supplies to drive the proposed 40 100w chips. However the cost is staggering. Driving the chips will cost much more than the chips themselves. The questions I have is would it be feasible running the LED's directly from the mains. I live in Australia so our mains voltage is 240v RMS. In essence I would have to run the chips on 340v peak. Since each chip requires a max voltage drop of 35v, I have contemplated wiring 10 chips in series with the mains so each receives it's required 34-35 v. Then four of these sets in parallel. Of course I would use a full bridge rectifier, MCB and RCD. But is this possible. Would each chip in series receive a different voltage drop?