Analysis of Switching Transient Overvoltage in the Power System of Floating Production Storage and Offloading Vessel

Master thesis (2012)

Authors

H. Xue

Contributors

M. Popov (mentor)

Programme

Electrical Power Engineering () (TU Delft)

Cable Protection FPSO ATP-EMTP Switching transient overvoltage VCB Induction motors Surge arrester

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Published Date

17-08-2012

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Programme

Electrical Power Engineering

Abstract

Large transient overvoltages can be caused by the switching operation of vacuum circuit breakers of induction motors. In order to analyze the switching transient overvoltage and use an appropriate protective method in the power system of floating production storage and offloading (FPSO) vessel, the accurate models of electrical equipments are necessary. In this study, vacuum circuit breakers, generators, cables, busbars, surge arresters and induction motors are modeled in Alternative Transient Program-Electromagnetic Transients Program (ATP-EMTP) software. The switching transient overvoltages of four typical induction motors under the starting, the full load and the light load working conditions in the power system of the selected FPSO vessel are analyzed. A suitable protection against the switching transient overvoltage is included in this study.

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