If an EV uses only 30 kWh of battery power per 100 miles, then it is more efficient than a car that uses 40 kWh of power. Invert the efficiency formula and it shows miles per kWh, like mpg: The 30 ...

An analysis of electric motor efficiency and how it can be improved by increasing phase counts. ... Then total power is found with Equation 1. First though, the phase resistance must be known.

Divya Tyagi, a Penn State engineering student, has cracked a 100-year-old wind energy equation, refining Glauert’s classical model and significantly improving wind turbine efficiency. Her ...

Bloom Energy, a world leader in solid oxide fuel cell technology, is now offering the Bloom Energy Server™ power solution with~ 60% electrical efficiency* while using 100% hydrogen 2. Bloom ...