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

<table>The CUSUM residual signal for detecting phase module cooling channel clogging fault. the fault is introduced at time <svg height="13.125" id="M134" style="vertical-align:-1.95624pt" version="1.1" viewbox="0 0 27.0375 13.125" width="27.0375" xmlns="http://www.w3.org/2000/svg">
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Journal of Control Science and Engineering

fig14

Figure 14

Figure 14: Model-Based Fault Detection and Isolation of a Liquid-Cooled Frequency Converter on a Wind Turbine 