This paper reports the design, fabrication, and test results of a 50-kW-class fully superconducting induction/synchronous motor for transportation equipment. Its maximum speed is 1800 rpm, and both ...

COLUMBIA VARIABLE PORTFOLIO - SMALL COMPANY GROWTH FUND CLASS 1- Performance charts including intraday, historical charts and prices and keydata.

This paper develops an inductive power transfer (IPT) system with stable output power based on a Class E/EF inverter. Load-independent design of Class E/EF inverter has recently attracted widespread ...

COLUMBIA VARIABLE PORTFOLIO - LARGE CAP INDEX FUND CLASS 2- Performance charts including intraday, historical charts and prices and keydata.