A complete Bit-Stream control system for Doubly Fed Induction Generator applications

Bit-Stream based control, which uses one bit wide signals to control power electronics applications, is a new approach for controller design. A complete Bit-Stream based control system for a Doubly Fed Induction Generator (DFIG) is proposed in this paper to demonstrate an entirely hardware-based control system for DFIG applications. A new supervisory control system is proposed to provide excitation, synchronisation and generator speed controller. The rotor- and grid side converters, generator and control systems of the DFIG are simulated using Mentor Graphics ModelSim and experimentally tested using a 2.7 kW DFIG system. These simulation and experimental results confirm that the proposed Bit-Stream based control system successfully controls the generator synchronisation and speed.