Paper Info
Title
Minimization of Current Ripple and Switching Losses in Double-Inverter fed Wound Rotor Induction Machine Drive using PWM Techniques
Abstract
In the topology of double-inverter fed wound rotor induction machine (DI-WRIM) two voltage source inverters (VSIs) are connected one each on stator and rotor terminals. This leads to ripple in both stator and rotor currents. In this paper, these current ripples are analyzed in terms of the stator- and rotor-flux ripples, which are estimated from their respective terminals. To reduce the current ripples, the VSIs of the stator and rotor terminals are modulated with different pulsewidth modulation (PWM) sequences. The switching loss in the DI-WRIM is also analyzed for the proposed stator–rotor PWM sequence combinations, based on the flexibility of changing the power factor, by changing the flux component of the current fed from either side of a DI-WRIM drive. The proposed PWM combinations with the proposed flux component in currents are found to reduce the stator and rotor current ripples and, the switching losses. The analytically estimated root mean square current ripples for the proposed PWM combinations are validated using the simulation and the experimental results obtained from a 3-kW DI-WRIM drive. The analysis on switching losses is validated by measuring the temperature rise of heat sinks present in the individual stator and rotor side VSIs of the DI-WRIM drive.
Year
DOI
Keywords
2020
10.1109/TIE.2019.2920610
Rotors,Stators,Pulse width modulation,Switching loss,Switches,Induction machines,Topology
Field
DocType
Volume
Inverter,Wound rotor motor,Voltage source,Control theory,Pulse-width modulation,Power factor,Rotor (electric),Engineering,Stator,Ripple
Journal
67
Issue
ISSN
Citations 
5
0278-0046
0
PageRank 
References 
Authors
0.34
0
2
Name
Order
Citations
PageRank
Nikhil Krishna Bajjuri101.01
Amit Kumar Jain244.55