Abstract
The aim of this paper is to analyze the reliability of Variable Frequency Drives (VFD) when used to control condensate pump motor in a nuclear power plant. IEC 60812 system reliability analysis pro...
Highlights
Recent problems facing most Nuclear Power Plant (NPP) owner/operating organizations has been economic
IEC 60812 system reliability analysis procedure for Failure Mode and Effects Analysis (FMEA) was used to determine the potential failure modes for Variable Frequency Drives (VFD) and its effects on the operation of the condensate pump motor
In this paper we have developed an FMEA reliability assessment model based on IEC 60,812 for VFD and condensate pump motor
Summary
Recent problems facing most Nuclear Power Plant (NPP) owner/operating organizations has been economic. Nuclear power plant operational cost has been increasing steadily over the years and this is partly due to implementation of additional safety enhancement and coping capabilities for extended loss of AC power. This became profound after the Fukushima accident [1]. There is a potential to save power consumed by the pumps when the speed is regulated to match the needs of the process. Ongoing research showed that when centrifugal pumps are controlled with VFD there is the potential to save energy consumed between 30% – 50% [4]
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