Inverter for interfacing advanced energy sources to a utility gr

Details Inverter for interfacing advanced energy sources to a utility gr Inverter for interfacing advanced energy sources to a utility gr

1981-12-28

1984-04-24

Beha, Jr., William H.

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

363 41, 363136, 363139, H02J 338

Patent

active

044450494

ABSTRACT:
A transistor is operated in the PWM mode such that a hlaf sine wave of current is delivered first to one-half of a distribution transformer and then the other as determined by steering thyristors operated at the fundamental sinusoidal frequency. Power to the transistor is supplied by a dc source such as a solar array and the power is converted such that a sinusoidal current is injected into a utility at near unity power factor.

REFERENCES:
patent: 3694730 (1972-09-01), Hoft et al.
patent: 3710229 (1973-01-01), Jessee
patent: 3913002 (1975-10-01), Steigerwald et al.
patent: 4059772 (1977-11-01), Wilkerson
patent: 4128793 (1978-12-01), Stich
patent: 4330717 (1982-05-01), Coleman

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