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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

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

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?



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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