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Method and system for ride-through of an adjustable speed drive for voltage sags and short-term power interruption
(United States. Patent and Trademark Office, 1999-12-21)
In one embodiment of the present invention, a system for ride-through of an adjustable speed drive for voltage sags is provided. The system comprises an adjustable speed drive including a three phase electric utility, a ...
Active interphase reactor for 12-pulse rectifier
(United States. Patent and Trademark Office, 1999-05-11)
An active interphase reactor for twelve-pulse diode rectifiers is disclosed. The system draws near sinusoidal currents from a power utility. In one embodiment, a low kVA (0.02 Po (PU)) active current source injects a ...