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Power Quality Investigation on a Ship’s Power System

The ship's power systems have limited power. It consists of separate consumers with power commensurable with generators' power. Thus, the powerful consumers worsen the quality of power and especially strong is this worsening in the presence of electric propulsion power system. In this article, it is presented mathematical model of four node ship's power system, including four generators, electric propulsion system based on induction propulsion motor, supplied by frequency's converter. With the use of the models are investigated different working regimes of propulsion system and ship's power system. Some of received results are presented in the article including the frequency's spectrum of regime's parameters.

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