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
A Book For All Reasons Bernard Cole1 Comment Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...