Breaking News
Comments
Oldest First | Newest First | Threaded View
green_is_now
User Rank
CEO
re: Microsemi expands Silicon Carbide (SiC) power module product family
green_is_now   1/18/2013 6:41:32 PM
NO RATINGS
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
User Rank
Rookie
re: Microsemi expands Silicon Carbide (SiC) power module product family
wmwmurray01   1/23/2013 9:12:23 PM
NO RATINGS
SiC FET = 3x cost IBGT

wmwmurray01
User Rank
Rookie
re: Microsemi expands Silicon Carbide (SiC) power module product family
wmwmurray01   1/23/2013 9:18:31 PM
NO RATINGS
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



Flash Poll
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Engineer's Bookshelf
Caleb Kraft

The Martian: A Delightful Exploration of Math, Mars & Feces
Caleb Kraft
6 comments
To say that Andy Weir's The Martian is an exploration of math, Mars, and feces is a slight simplification. I doubt that the author would have any complaints, though.

The Engineering Life - Around the Web
Caleb Kraft

Surprise TOQ Teardown at EELive!
Caleb Kraft
Post a comment
This year, for EELive! I had a little surprise that I was quite eager to share. Qualcomm had given us a TOQ smart watch in order to award someone a prize. We were given complete freedom to ...

Design Contests & Competitions
Caleb Kraft

Join The Balancing Act With April's Caption Contest
Caleb Kraft
57 comments
Sometimes it can feel like you're really performing in the big tent when presenting your hardware. This month's caption contest exemplifies this wonderfully.

Engineering Investigations
Caleb Kraft

Frankenstein's Fix: The Winners Announced!
Caleb Kraft
8 comments
The Frankenstein's Fix contest for the Tektronix Scope has finally officially come to an end. We had an incredibly amusing live chat earlier today to announce the winners. However, we ...

Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)