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Protection of Alternator By, Rohini Haridas Assistant Professor, Dept of Electrical Engineering, SSGM College of Engineering,Shegaon

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Protection of alternator

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Page 1: Protection of alternator(encrypted)

Protection of Alternator

By,Rohini Haridas

Assistant Professor,Dept of Electrical Engineering,

SSGM College of Engineering,Shegaon

Page 2: Protection of alternator(encrypted)
Page 3: Protection of alternator(encrypted)
Page 4: Protection of alternator(encrypted)

Unbalanced loading

Page 5: Protection of alternator(encrypted)

Protection for stator winding faults

• Phase to phase faults

• Phase to ground faults

• Inter-turn faults

Differential method of protection is mostcommonly used.

Page 6: Protection of alternator(encrypted)

Current differential relay

Page 7: Protection of alternator(encrypted)

The amount of current flow through the relay will depend upon the way of fault is being fed

Page 8: Protection of alternator(encrypted)

Percentage differential relay

Page 9: Protection of alternator(encrypted)

Differential protection of alternator

Page 10: Protection of alternator(encrypted)
Page 11: Protection of alternator(encrypted)

Stator Inter-turn Protection

Page 12: Protection of alternator(encrypted)

Stator Inter-turn Protection


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