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In the design of induction motor adjustable-speed drives, the same efficiency and performance requirements can be achieved with different choices as far as the motor and the inverter individual size is concerned. Depending on the specific functions that relate motor and inverter size to their respective cost, each choice is expected to result in a different overall drive cost. This paper presents...
The paper presents a small-signal stability analysis of voltage control systems employed onboard all-electric cruise liners. To realize the stability analysis, a model of shipboard power station voltage control system has been determined, moving from dynamic models of alternators, voltage regulators and loads. Reduced order models of alternators have been utilized, to simplify at best the analysis...
In this paper a high-power electric drive based on a quadruple-three-phase synchronous motor and four load commutated inverters (LCI) is investigated to evaluate its feasibility and performance. Based on accurate simulation analyses, the advantages of the proposed solution compared to the technologically-proven dual three-phase scheme are highlighted in terms of torque quality and motor efficiency...
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