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DC Motor Emulation of Wind Energy Conversion System

: This paper presents a novel current control technique to control a separately excited DC motor in order to emulate the Wind Energy Conversion System (WECS) experimentally. This system is utilized to simulate the dynamic behaviors of WECS accu-rately in extension to a wide range of operating conditions. The suggested system is carried out in the laboratory using a set of separately excited DC motor, permeant magnet synchronous generator, Half-controlled rectifier bridge, firing circuit of the DC motor half-controlled rectifier bridge, current sensor, voltage sensor, speed sensor and a controller. Nonlinear model of WECS is derived and studied in addition to the operation of WECS at maximum mechanical power. DC motor current, voltage and speed are sensed using a set of predesigned sensors in order to feedback the system and record results. Experimental test results of the suggested wind energy conversion system are listed in static and dynamic cases to investigate the effectiveness for applying the suggested control technique to the developed system.