555122011 - Hamdard University Bangladesh A presentation on...

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Hamdard University Bangladesh A presentation on Power System II Presented By Md. Mehedi Hasan Bhuiyan ID: 555122011 1 st Batch 8 th Semester Electrical & Electronic Engineering(EEE) Email: [email protected] 1 EEE707 Power System II
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Presented To Md. Shaon Ahmed Lecturer, Department of Electrical & Electronics Engineering 2 Course : Power System II Course code : EEE707 EEE707 Power System II
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Welcome to My Presentation 3 EEE707 Power System II
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Presentation Topic Differential protection of alternator & transformers 4 EEE707 Power System II
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Contents Introduction Differential protection of alternation Differential protection of Transformer Conclusion 5 EEE707 Power System II
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Introduction The most serious faults on alternators which require immediate attention are stator winding faults. The major faults on transformer occur due to sort circuit in the transformer or their connection. The basic system used for protection against these faults in the differential relay scheme because the differential nature of measurements makes this system much more sensitive than other protective system. 6 EEE707 Power System II
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Differential protection of alternation: Fig1: Schematic arrangement of current differential protection Fig.1 shows the schematic arrangement of current differential protection for a three phase alternator. Identical current transformer pair CT1 and CT2 are placed on either side of each phase
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  • Spring '16
  • Circuit breaker, differential protection

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