transformer training.... mukesh pal
TRANSCRIPT
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WELCOME
Internal TrainingProgram 2009
Dalmia Chini Mills
Ramgarh
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TRANSFORMER
ELECTRICAL
By.Mukesh Pal
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Some types of Transformer
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Hysteresis Loss
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Hysteresis Loss
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Eddy Current Loss
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Calculation Of Core Losses
Hysteresis Loss ,
Ph = KhfBn watts m-3
Eddy Current Loss,
Pe = ke (t * f *Bm )^2
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Few more Important Test
Back to Back Test
Polarity Test Ratio Test
Insulation Test
Tan Test
BDV Test SCC Test
OCC Test
Knee Point Voltage Test
Vector Group Test
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Vector Group Test
nR+nY=RY, By>> Bb and Yb=Yy.
1V 2W =1V 2V 1W 2V > 1W 2W
1U 1V =1V 2 N + 1U + 2 N
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Protections of Transformer
Buchholz Relay
Over Current
Over Voltage Over Fluxing
Over Frequency
Under Frequency
Earth Fault
Restricted Earth Fault Differential Protection
Over Temp Protection
Moisture Protection
PRV (Pressure Relief Valve) Protection
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On Load Tap Changer
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Thank You..