Summing transformer core for star-delta inverter having a separa

Details Summing transformer core for star-delta inverter having a separa Summing transformer core for star-delta inverter having a separa

1989-12-19

1993-01-26

Kozma, Thomas J.

Inductor devices

Polyphase

Interconnected windings

336212, 336215, 363 43, H01F 3300

Patent

active

051825350

ABSTRACT:
A summing transformer for a star-delta inverter having a separate secondary winding for each primary winding for use in inverting variable frequency AC power into constant frequency AC power, the transformer comprising a plurality of core sections having principal legs on which primary windings are wound and secondary legs extending between adjacent said principal legs establishing shared flux paths.

REFERENCES:
patent: 2127232 (1938-08-01), Nichols
patent: 2137433 (1938-11-01), Wirz
patent: 2418643 (1947-04-01), Huge
patent: 3531708 (1970-09-01), Kuba
patent: 3611224 (1971-10-01), Becker
patent: 3775662 (1973-11-01), Compoly et al.
patent: 4274071 (1981-06-01), Pfarre
patent: 4488136 (1984-12-01), Hansen et al.
patent: 4837497 (1989-06-01), Leibovich
patent: 4853664 (1989-08-01), Asakura

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