Model-Based Fault Detection and Isolation of a Liquid-Cooled Frequency Converter on a Wind Turbine

<table>Illustration of zonal division of phase module cooling channel for phase module 3 in the power module, each phase module cooling channel is divided into three zones.</table>

Journal of Control Science and Engineering

fig6

Figure 6

Figure 6: Model-Based Fault Detection and Isolation of a Liquid-Cooled Frequency Converter on a Wind Turbine 