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IGBT power supply is a single-phase H bridge inverter capable to provide current of ±12kA with 1MA/sec ramp rate. This paper describes performance requirements, ratings, inverter design calculations, multimodular topology, protections, fast control, symmetrical layout, bus bar engineering, and cooling requirement and test results.
This paper presents the design and development of laboratory based in-situ soil tester to validate the sub-sea in-situ soil tester used to measure various parameters like bearing and shear strength of soil/bentonite samples. It is important to use an accurate & high resolution laboratory in-situ soil tester to calibrate the deep sea in-situ soil tester. The laboratory based soil tester has been...
A generalized terminal modeling technique was proposed earlier to predict conducted electromagnetic interference from a dc-dc boost converter. This paper extends the generalized terminal modeling approach to converters with the buck-type input. The technique is developed for the electromagnetic interference modeling of switched power converters in aerospace applications where the requirements on electromagnetic...
This paper presents modeling and simulation of a single phase simplified eleven-level inverter (SELI). Multilevel inverter offers high power capability. Its performance is highly superior to that of conventional two-level inverter due to reduced harmonic distortion, lower electromagnetic interference and higher dc link voltage. The inverter is capable of producing eleven levels of output voltages...
This paper proposes the hardware design and implementation of a Microcontroller based single-phase simplified seven-level inverter for PV system. Multilevel inverters tender high power capability, associated with lower output harmonics and lower turn-off losses. This work informs a multilevel inverter for PV system using an H-bridge output stage with bidirectional auxiliary switches. The inverter...
This paper presents the hardware design and implementation of a Microcontroller based single-phase simplified nine-level inverter (SNLI) fed induction motor. Multilevel inverters offer high power capability, associated with lower output harmonics and lower turn-off losses. This work informs a multilevel inverter fed induction motor using an H-bridge output stage with bidirectional auxiliary switches...
The paper presents the design, development and implementation of a Three Phase diode clamped active front-end converter in rectification mode for the power factor control and power quality improvement. Specifically this paper concentrates on the dc link capacitor balancing and maintenance of near to unity power factor of the supply. The paper also proposes an existing and popular mathematical modeling...
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