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green_is_now
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re: Microsemi expands Silicon Carbide (SiC) power module product family
green_is_now   1/18/2013 6:41:32 PM
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What is the cost ratio to the best Si FETs and IBTs? How long of a payback period before dfferential cost iof SIC over SI is payed for with efficiency gains, and/or maintenance cot reductions?

wmwmurray01
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re: Microsemi expands Silicon Carbide (SiC) power module product family
wmwmurray01   1/23/2013 9:12:23 PM
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SiC FET = 3x cost IBGT

wmwmurray01
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re: Microsemi expands Silicon Carbide (SiC) power module product family
wmwmurray01   1/23/2013 9:18:31 PM
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Effciency gains can be 4-6% on a PWM drive -- 1.33*Motor HP x hrs operating x Cost/KWH x Effciency Gain = savings in electricity costs Thus for a 100hp motor at $0.10 / KWH at 5% gain it will save about $5890/yr savings in electricy costs



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