Browsing by Subject "Harmonic analysis"
Now showing items 1-12 of 12
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A grid-connected cascaded H-bridge multilevel converter with quasi seven-level Selective Harmonic Elimination
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper, a high power grid-connected cascaded H-bridge multilevel inverter (CHB-MLI) operating with Selective Harmonic Elimination (SHE) is presented complying with the low switching frequency operation limitation. ... -
Capacitor voltage balancing using redundant states of space vector modulation for five-level diode clamped inverters
( IEEE , 2010 , Article)A redundancy balancing technique for the five-level diode-clamped inverter is presented, which balances the four dc-link capacitor voltages at high modulation index and high power factor. The technique is based on dividing ... -
Effect of current harmonic injection on constant rotor volume multiphase induction machine stators: A comparative study
( IEEE , 2012 , Article)Although torque enhancement in multiphase induction machines using harmonic current injection has been addressed in the literature, a detailed assessment of the effect of this enhancement on the design parameters of ... -
End-to-end performance of transmission systems with relays over Rayleigh-fading channels
( IEEE , 2003 , Article)End-to-end performance of two-hops wireless communication systems with nonregenerative relays over flat Rayleigh-fading channels is presented. This is accomplished by deriving and applying some new closed-form expressions ... -
Exact Analytical Magnetic Field Analysis and Optimization Design of an Eccentric Magnetic Harmonic Gear
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)The eccentric magnetic harmonic gear (EMHG) can achieve large torque transmission, high efficiency with high gear ratios. Exact analytical model is proposed to calculate the air gap magnetic field. The analytical method ... -
Harmonic rejection in current source inverter-based distributed generation with grid voltage distortion using multi-synchronous reference frame
( Institution of Engineering and Technology , 2014 , Article)The growing penetration of renewable energy resources and distributed generation (DG) has raised significant interest in power quality issues. Achieving low total harmonic distortion of exported current using low switching ... -
Low space harmonics cancelation in double-layer fractional slot winding using dual multiphase winding
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)One of the main drawbacks of nonoverlapped coils in fractional slot concentrated winding permanent magnet (PM) machines are the high eddy current losses in both rotor core and permanent magnets induced by the asynchronous ... -
Quasi seven-level operation of multilevel converters with selective harmonic elimination
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Generally, selective harmonic elimination (SHE) complexity for multilevel inverters increases with the increase in number of levels. In this paper, a novel approach for SHE is introduced. This approach is based on cancelling ... -
Selective harmonic elimination for quasi seven-level operation of cascaded-type multilevel converters with unequal DC sources
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Generally, selective harmonic elimination (SHE) complexity for multilevel converters increases with the increase in number of levels. In this paper, an approach for multilevel converters' SHE is introduced. This approach ... -
Selective harmonics elimination in multilevel inverter by a derivative-free iterative method under varying voltage condition
( ISA - Instrumentation, Systems, and Automation Society , 2019 , Article)Selective Harmonics Elimination Pulse width modulation (SHE PWM) presents an alternative modulation technique to operate medium voltage medium and high power converters as it reduces the switching losses. SHE PWM generates ... -
Single phase grid connected current source inverter: Mitigation of oscillating power effect on the grid current
( Institution of Engineering and Technology , 2011 , Conference Paper)Although voltage source inverters (VSIs) are the most common DC-AC grid-tied converters, current source inverters (CSIs) are considered to be promising candidate, thanks to their low THD voltages/currents and inherent ... -
Single-Stage Three-Phase Differential-Mode Buck-Boost Inverters with Continuous Input Current for PV Applications
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Differential-mode buck-boost inverters have merits such as reduced switch number, ability to provide voltages higher or lower than the input voltage magnitude, improved efficiency, reduced cost and size, and increased power ...