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Some Studies on Switched Mode Power Amplifiers Used in DC Attraction Type Levitation Systems
Abstract
Power amplifier is one of the important elements of any DC attraction type levitation system. Due to the advancement in power electronics and control technology, it is now possible to develop power amplifier which will have the properties of fast dynamics, large bandwidth, ability to carry large payload, energy efficient, high reliability, cost-effective, and suitable for DCALS. Both linear and switching mode power amplifiers have been used in the field of DC attraction type levitation system. In this chapter, different possible switched mode power circuits for both single as well as multi-actuator based levitation system have been discussed, and a comparative study has been made of the different topologies of power amplifiers based on their structure, working principle, simulated, and experimental results.
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