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1 2025

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Dynamic Compensation of Reactive Power in Ship Power Plants

Vyshnevskyi Leonid, Mukha Mykola, Veretennik Oleksander, Drankova Alla, Kozyryev Igor, Vyshnevskyi Oleh

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2025

Vol. 19 No. 2

537--541

In this article, the authors analysed the starting modes of the powerful marine electric drives with asynchronous electric motors and capacitor reactive power compensators. The article considers reactive power control in the class of linear-pulse regulators associated with the unstressed switching of the capacitors in the network. The analysis of reactive power parameters sensors which are used in the discrete-pulse control system showed that the most effective sensor is the reactive conductivity sensor, the value of which is defined as the average value during the switching period and the current sensor, where measurements occur in the moments when voltage transition through zero. The technical implementation of the second sensor is quite simple, does not require the execution of division and multiplication operations, i.e. use of controllers.