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Space vector based synchronized PWM strategies for field oriented control of VSI fed induction motor

Authors: null Mohammed Shafi KP; Joseph Peter; Rijil Ramchand;

Space vector based synchronized PWM strategies for field oriented control of VSI fed induction motor

Abstract

The space vector approach in real time pulse width modulation offers variety of switching patterns for effective control of induction motor drives. In high power motor drives switching frequency of the inverter is very less due to increased losses. The harmonic distortion in the stator current due to low switching frequency can be reduced by using synchronized PWM strategies. In this paper space vector based synchronized PWM strategies are applied to field oriented control of induction motor. Two synchronized PWM strategies are analyzed in this paper, conventional space vector strategy and basic bus clamping strategy. The performance of these strategies are analyzed for different operating conditions in terms of total harmonic distortion of no load current. A combination of PWM strategies can be used to reduce the distortion in line current of the drive operating under different conditions. Synchronization of PWM pulses after the transient period is achieved by generating carrier wave form according to the zero crossing of modulating wave in a phase locked manner. An IGBT based 5 kVA voltage source inverter with a dc bus voltage of 560 V is designed and vector control is implemented by floating point DSP processor (TMS320F28335). The various PWM strategies are experimentally implemented and verified on 415 V, 3 hp, 50 Hz three phase induction motor.

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Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
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