Low cost current sensor for fast-switching inverter applications

Details Low cost current sensor for fast-switching inverter applications Low cost current sensor for fast-switching inverter applications

1992-12-11

1994-11-22

Shoop, Jr., William M.

Electricity: motive power systems

Induction motor systems

318813, 318732, 363 95, 363 96, 363 97, 363 98, H02P 124

Patent

active

053672402

ABSTRACT:
The DC link current from one leg of a DC link of an inverter is provided to a primary winding of an AC current transformer, and a voltage across the secondary winding of the current transformer is integrated for providing an envelope indicative of the DC link current.

REFERENCES:
patent: 4520298 (1985-05-01), Abbondanti
patent: 4958118 (1990-09-01), Pottebaum
patent: 4994725 (1991-02-01), Gschlossl

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