Inverter for connecting a variable voltage power source to a uti

Details Inverter for connecting a variable voltage power source to a uti Inverter for connecting a variable voltage power source to a uti

1997-01-10

1999-04-06

Hecker, Stuart N.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

323906, H02M 3335

Patent

active

058926640

ABSTRACT:
A medium frequency transformer and electronic switches operate together to transfer electric power with variable voltage characteristics to a utility for co-generation purposes. Electric power with variable voltage, such as produced by a wind generator, is converted to variable voltage dc electric power. An inverter converts the variable voltage dc power to ac electric power of medium frequency and then matches the voltage of a utility power grid by using a medium frequency power transformer before injecting the power into that utility power grid. The amount of electric power that is transferred may be controlled, such that an input power source is allowed to operate at its optimum power output.

REFERENCES:
patent: 4366388 (1982-12-01), Wilkerson
patent: 4404472 (1983-09-01), Steigerwald
patent: 4445049 (1984-04-01), Steigerwald
patent: 4719550 (1988-01-01), Powell et al.
patent: 5155672 (1992-10-01), Brown
patent: 5268832 (1993-12-01), Kandatsu
patent: 5625539 (1997-04-01), Nakata et al.

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