Technique for decoupling the energy storage system voltage from

Details Technique for decoupling the energy storage system voltage from Technique for decoupling the energy storage system voltage from

1992-12-23

1994-12-13

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

307 46, 307 72, 363 98, 323222, 323271, H02M 5458

Patent

active

053731956

ABSTRACT:
An ac electric drive system includes a bidirectional power semiconductor interface between a battery, or an auxiliary energy storage device, and a power inverter for boosting an input dc voltage and for decoupling the dc link voltage from the input dc voltage such that the dc link voltage is substantially independent of the input dc voltage and the parameters of the battery or energy storage device. The input dc voltage is controlled to maximize efficiency along predetermined torque envelopes.

REFERENCES:
patent: 4666020 (1987-05-01), Watanabe
patent: 4672520 (1987-06-01), Ueda et al.
patent: 4787021 (1988-11-01), Hokari et al.
patent: 5214358 (1993-05-01), Marshall

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