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Three-phase self excited induction generator (SEIG) is increasingly getting attention for its use in distributed electricity generation and consumption viz wind, mini/micro hydro, biogas etc. The major advantage of induction generator over alternator includes its low cost, easy construction, ruggedness, maintenance free structure etc, whereas, varying demand of reactive power and poor voltage regulation...
DC drives are still very important especially for low voltages and low power (e.g. in cars and robots). In this paper a Cuk-derived (one- and two-quadrant) converter is analyzed which makes it possible to control the voltage across the machine (and therefore the speed) from zero to three times of the input voltage. The model of the drive, the design of the devices, and some experimental results are...
This paper describes the design of a 12-bit fully differential Switched-Capacitor (SC) Programmable Gain Amplifier (PGA) optimized for motor control application and implemented using Correlated Double Sampling (CDS) technique. The PGA performs differential to single-ended conversion and operates in concert with an Analog-to-Digital Converter (ADC). Fabricated in a standard 4-metal single-poly 0.25um...
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