Hari, Pavan Kumar VSSS and Narayanan, G
(2016)
*Space-Vector-Based Hybrid PWM Technique to Reduce Peak-to-Peak Torque Ripple in Induction Motor Drives.*
In: IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 52
(2).
pp. 1489-1499.

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## Abstract

Constant-volts-per-hertz induction motor drives and vector-controlled induction motor drives utilize pulsewidth modulation (PWM) to control the voltage applied on the motor. The method of PWM influences the pulsations in the torque developed by the motor. A space-vector-based approach to PWM facilitates special switching sequences involving the division of active state time. This paper proposes a space-vector-based hybrid PWM technique, which is a combination of the conventional and special switching sequences. The proposed hybrid PWM technique results in a lower peak-to-peak torque ripple than conventional space vector PWM(CSVPWM) at high speeds of an induction motor drive. Furthermore, the magnitude of the dominant torque harmonic due to the proposed hybrid PWM is significantly lower than that due to CSVPWM at high speeds of the drive. Experimental results from a 3.75-kW sensorless vector-controlled induction motor drive under various load conditions are presented to support analytical and simulation results.

Item Type: | Journal Article |
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Publication: | IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS |

Publisher: | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |

Additional Information: | Copy right for this article belongs to the IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA |

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Department/Centre: | Division of Electrical Sciences > Electrical Engineering |

Date Deposited: | 28 Apr 2016 05:41 |

Last Modified: | 28 Apr 2016 05:41 |

URI: | http://eprints.iisc.ac.in/id/eprint/53730 |

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