Title :
A unity power factor NI-BIBRED converter fed brushless DC motor drive
Author :
Singh, Bhim ; Bist, Vashist
Author_Institution :
Dept. of Electr. Eng., Indian Inst. of Technol. Delhi, New Delhi, India
Abstract :
This paper presents a non-isolated boost integrated buck rectifier/energy storage DC-DC (NI-BIBRED) converter fed brushless DC (BLDC) motor dive. The speed of proposed drive is controlled by adjusting the DC link voltage of voltage source inverter (VSI) feeding a BLDC motor. The BLDC motor is electronically commutated to operate the VSI in fundamental frequency switching for reduced switching losses in it. The proposed NI-BIFRED converter is designed to operate in triple discontinuous inductor current mode (DICM) to act as an inherent power factor pre-regulator using a single voltage sensor for DC link voltage control. The performance of proposed drive is evaluated for a wide range of speed control at varying supply voltages. An improved power quality is achieved with power quality indices within the limits of IEC 61000-3-2.
Keywords :
DC motor drives; DC-DC power convertors; brushless DC motors; invertors; power factor; rectifying circuits; voltage control; DC link voltage control; IEC 61000-3-2; NI-BIBRED converter fed DC motor; boost integrated buck rectifier; brushless DC motor drive; energy storage DC-DC converter; fundamental frequency switching; nonisolated buck rectifier; power factor preregulator; power quality; single voltage sensor; switching loss reduction; triple discontinuous inductor current mode; unity power factor; voltage source inverter; Brushless DC motors; Capacitors; Inductors; Motor drives; Power quality; Voltage control; Brushless DC motor; Voltage Source Inverter; non-isolated boost integrated buck rectifier/ energy storage DC-DC (NI-BIBRED) converter; power factor correction; power quality;
Conference_Titel :
Power Systems Conference (NPSC), 2014 Eighteenth National
DOI :
10.1109/NPSC.2014.7103816
