TECNICA PER DISACCOPPIARE LA TENSIONE DI UN SISTEMA AD IMMAGAZZINAMENTO DI ENERGIA DALLA TENSIONE DI COLLEGAMENTO IN CORRENTE CONTINUA IN SISTEMI ELETTRICI DI COMANDO IN CORRENTE ALTERNATA

摘要

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.