Search Results - "Swamy, Mahesh M."

Efficiency Comparison Between Si-IGBT-Based Drive and GaN-Based Drive by Shirabe, Kohei, Swamy, Mahesh M., Jun-Koo Kang, Hisatsune, Masaki, Yifeng Wu, Kebort, Don, Honea, Jim

“…High motor efficiency, lower torque ripple, close to ideal sinusoidal motor current waveform, smaller filter size, etc. are a few of the advantages of using…”
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An Electronically Isolated 12-Pulse Autotransformer Rectification Scheme to Improve Input Power Factor and Lower Harmonic Distortion in Variable-Frequency Drives by Swamy, Mahesh M.

“…Diode rectifier front-ends with large dc bus capacitors used in variable-frequency drives draw discontinuous current from the power system, resulting in a poor…”
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A Novel Four-in-One Variable Frequency Drive Topology by Swamy, Mahesh M.

“…Of late, most types of ac motors can be operated using variable frequency drives (VFDs) by merely selecting the type of motor and the corresponding control…”
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Power Loss, System Efficiency, and Leakage Current Comparison Between Si IGBT VFD and SiC FET VFD With Various Filtering Options by Swamy, Mahesh M., Jun-Koo Kang, Shirabe, Kohei

“…SiC devices are gaining acceptance in the motor drive industry. This paper compares the power loss and efficiency between two options that can be used with…”
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An Active Damping Scheme With Energy Saving Feature for Use with Regenerative Converters by Swamy, Mahesh M.

“…Regenerative drives, also known as four-quadrant drives are an integral part of many industrial applications ranging from wind power generation, elevators,…”
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New Normal Mode dv/dt Filter With a Built-In Resistor Failure Detection Circuit by Swamy, Mahesh M., Baumgardner, Mark A.

“…Insulated gate bipolar transistors (IGBTs) will soon be replaced by wide band gap devices (SiC and GaN) as the choice for power semiconductor switch in voltage…”
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Evaluation of an Alternate Soft-Charge Circuit for Diode Front-End Variable-Frequency Drives by Swamy, Mahesh M, Kume, Tsuneo, Takada, Noriyuki

“…Variable-frequency drives (VFDs) with diode front-end rectifiers are typically equipped with a resistor-contactor arrangement to limit the inrush current into…”
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Optimization of input and output filters in matrix converter drive system by Yamada, Kenji, Higuchi, Tsuyoshi, Hara, Hidenori, Yamamoto, Eiji, Kume, Tsuneo, M. Swamy, Mahesh

“…This paper presents an AC‐AC power converter integrated with techniques that provide environmental harmony. The voltage source PWM inverter has been…”
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A novel stopping method for induction motors operating from variable frequency drives by Swamy, M.M., Kume, T., Yukihira, Y., Shuichi Fujii, Sawamura, M.

“…Many applications involving induction motors that are controlled using variable frequency drives require the ability to stop quickly. These applications…”
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An Improved Single-Phase Active-Front-End Rectifier System for Use With Three-Phase Variable-Frequency Drives by Swamy, Mahesh M., Guddanti, Chaitanya

“…In many rural areas, due to unavailability of three-phase ac power, three-phase variable-frequency drives (VFDs) are often required to operate from a…”
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An Efficient Resonant Gate-Drive Scheme for High-Frequency Applications by Swamy, Mahesh M., Kume, Tsuneo, Takada, Noriyuki

“…Silicon carbide (SiC) and gallium nitride (GaN) devices have been found to withstand high voltages without showing degradation and can be switched at high…”
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Extended high speed operation via electronic winding change method for AC motors by Swamy, M.M., Kume, T.J., Maemura, A., Morimoto, S.

“…In many applications, it is often needed to extend the speed range of an electric motor. In permanent magnet AC motors (PMAC), the maximum speed is limited by…”
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Extended high-speed operation via electronic winding-change method for AC motors by Swamy, M.M., Kume, T., Maemura, A., Morimoto, S.

“…In many applications, it is often needed to extend the speed range of an electric motor. In permanent-magnet ac motors (PMAC), the maximum speed is limited by…”
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A comparison of parallel resonant converters operating in lagging power factor mode by Swamy, M.M., Bhat, A.K.S.

“…Three different parallel resonant converter (PRC) configurations are compared for their performance. The discontinuous capacitor voltage mode is emphasized in…”
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Integrated Filters and Their Combined Effects in Matrix Converter by Kume, T., Yamada, K., Higuchi, T., Yamamoto, E., Hara, H., Sawa, T., Swamy, M.M.

“…A matrix converter has a topology that inherently exhibits sinusoidal input current waveforms and has small output voltage steps. This paper proposes to…”
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An electronically isolated 12 pulse autotransformer rectification scheme to improve input power factor and lower harmonic distortion in variable frequency drives by Swamy, Mahesh M.

“…Diode rectifier front ends with large DC bus capacitors used in Variable Frequency Drives (VFDs) draw discontinuous current from the power system resulting in…”
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An optimal solution for operating a three-phase variable frequency drive from a single-phase AC source by Swamy, Mahesh M., Collins, Joshua, Balakrishnan, Anupama

“…When using a three-phase Variable Frequency Drive (VFD) powered from a single-phase AC source, output power of the drive has to be limited to prevent higher…”
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Harmonic interaction between 1500 kVA supply transformer and VFD load at an industrial plant by Swamy, M.M., Rossiter, S.L.

“…The application of variable-frequency drives (VFDs) in industrial and commercial facilities has seen a tremendous increase. However, when multiple VFDs are fed…”
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Integrated filters and their combined effects in matrix converter by Yamada, K., Higuchi, T., Yamamoto, E., Hara, H., Sawa, T., Swamy, M.M., Kume, T.

“…Matrix converter has a topology that inherently exhibits sinusoidal input current waveforms and has small output voltage steps. This paper proposes to…”
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Investigation of induction motor performance under high negative slip condition for braking by Swamy, M.M., Kume, T.J., Watanabe, E., Kizaki, Y.

“…Investigation on the performance of an induction motor operating with a large negative slip is carried out. It is shown that an operating point in the negative…”
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