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Title: Experimental Study of Seven Level Magnetic Coupled Impedance Source Inverter
Authors: Reddy, J N
Lenine, D
Kumar, M V
Keywords: Impedance Source;Magnetic Coupled;Voltage Stress;Modulation Index;Seven Level
Issue Date: Dec-2018
Publisher: NISCAIR-CSIR, India
Abstract: In midst of better incorporated single stage topologies, an Impedance source inverter is proposed with an ability of producing buck and boosted output voltages. For achieving high voltage gain, the semiconductor switches undergo high dv/dt stress and at starting inrush currents of large values due to resonance affects the performance of impedance source inverters. To decline these impacts, magnetic coupled impedance source inverters are developed which produces the same voltage gain at high modulation ratio, while diminishing stress across switches by utilizing the property of magnetic coupling. This paper presents analysis and design of seven levels magnetic coupled impedance source inverter by maximum constant boost pwm technique using Matlab / Simulink. A prototype model of magnetic coupled inverter is developed and controlled by FPGA Spartan controller.
Page(s): 705-709
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.77(12) [December 2018]

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