Three phase to single phase power protection system with multipl

Details Three phase to single phase power protection system with multipl Three phase to single phase power protection system with multipl

2000-04-18

2000-12-26

Nguyen, Matthew

Electricity: power supply or regulation systems

Including a transformer or an inductor

Polyphase or plural transformers

336 5, H01F 3012

Patent

active

061665312

ABSTRACT:
This invention relates to methods of providing uninterruptible, regulated, single phase power to a critical single phase load when such power is derived from two of the phases of a polyphase power source. This invention describes a dual primary ferroresonant transformer which provides regulated and isolated voltage to a single phase critical load, when powered by a plurality of phases from a polyphase power source, and whereby a loss of electrical power to either a first or a second primary does not disturb the single phase power output voltage.

REFERENCES:
patent: 4800356 (1989-01-01), Ellis
patent: 4862059 (1989-08-01), Tominaga et al.
patent: 5317299 (1994-05-01), Dhyanchand et al.

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