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Generator Protection Engineering Home Page(发电机保护工程主页)
Generator Protection Some Review Slids What a Generator looks like Generator Protection 2 Generator 3 Generator Protection Review Abnormal Operating Conditions 鈥 Loss of Synchronism 鈥 Abnormal Frequency 鈥 Over excitation 鈥 Field Loss 鈥 Inadvertent Energizing 鈥 Breaker Failure 鈥 Loss of Prime Mover Power 鈥 Open Circuits 4 Abnormal Operating Conditions Overexcitation Over Open Loss of Field Power Loss of Field Circuits Overexcitation Overexcitation The Exciter Wild G Power System Abnormal Inadvertent Frequency Abnormal Energizing, Frequency Pole Flashover Loss of Reverse Breaker Synchronism Power Failure 5 Generator Stator Phase Fault Protection (87G) 6 Over fluxing Protection (V/Hz) (24) Causes: 鈥 As voltage rises above rating leakage flux increases 鈥 Leakage flux induces current in transformer support structure causing rapid localized heating. Vol
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