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Introductory book the test bench: A single - phase voltage source inverter: The voltage source inverter; low - level control of the voltage source inverter: PWM modulation; analog control approaches. Digital current mode control: Requirements of the digital controller; basic digital current control implementations. Multi - sampled current controllers: Oversampled PI current controller; oversampled predictive current controller; digital, fixed frequency hysteresis current controller; large - signal response tesr; FPGA chip utilization; multi - sampled current controller: conclusions. Extension to three - phase inverters: The αβ transformation; space vector modulation; the rotating reference frame current controller;. External control loops: Modeling the internal current loop; design of voltage controllers; large bandwidth controllers; narrow bandwidth controllers; other applications of the current controlled VSI. New digital control paradigms: Flexibility vs. performance; flexibility vs performance; distributed generation control architecyures; controller validation; closing remarks.