Performance Evaluation of Canonical Switching Cell Converter Fed BLDC Motor Drive for Power Quality Improvement
نویسنده
چکیده
This paper presents a performance of the canonical switching cell (CSC) converter fed brushless DC (BLDC) motor drive for power quality (PQ) improvement. The use of CSC not only controlled the DC link voltage but also make the inverter to operate at low frequency so that switching losses are minimized. Moreover the use of front end CSC improves the power factor at AC mains. The system needs only a single voltage sensor for the DC bus voltage sensing; hence the system cost is reduced. The performance was analyzed on the basis of PQ terms of the proposed system under steady state and dynamic conditions. The performance graph has been plotted for the total harmonic distortion (THD) and the power factor (PF). The results show that the system gives a good PF and the supply current THD as per PQ standard IEC 61000-3-2 for wide range of the motor speed and the supply voltage. The performance has been evaluated using MatLab-Simulink.
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