transposition in transformer windings
Post on 28-Oct-2015
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Slide 1
PRESENTATION ONTRANSPOSITIONS IN WINDINGSBYM.M.V. RAVINDRA
1TRANSFORMER
CORE(CRGO)
WINDINGS(COPPER)
STUCRURALPARTS(MS)
INSULATION(PB & DLW)
NO LOADLOSS
IR + WINDINGSTARY LOSS
STRAY LOSS
DILECTRICLOSS
LEAKAGE FIELD MAGNETIC FILED WICH COMPLETS ITS PATH WITH WITHOUT COMPLETELY PASSING THROUGHT CORE, PASSES TROUGH AIR(OIL), COPPER, MS etc.
LEAKAGE FILED IN TRANSFORMER LEAKAGE FILED IN TRANSFORMER
STRAY LOSSES WHEN LEAKEGE FILED CUTS THE STRUCTURAL PARTS ( OF MAGNETIC MATERIALS, Ex.MS) EDDY CURRENTS WILL FLOW THROUGH THEM .WICH CACUSES EXTRA LOSSES CALLED STRUCTURAL OR STARY LOSSES
WINDING STRAY LOSSES WHEN LEAKEGE FILED CUTS THE COPPER CONDUCTOR EDDY CURRENTS WILL FLOW THROUGH THEM. WICH CACUSES EXTRA LOSSES CALLED WINDING EDDY LOSSES
FLUX LINKAGE & INDUCED VOLTAGE Faradays law states that a voltage appears across the terminals of an electric coil when the flux linkages associated with the same changes. This emf is proportional to the rate of change of flux linkages.
Say, EA = 11.2 kVEB = 11kVEC = 11.1 kV
TRANSPOSITIONS IN TRANSMISSION LINESTRANSPOSITIONS IN CTC
TRANSPOTIONS IN DISC WINDING
TRANSPOTIONS IN SPIRAL WINDING
TRANSPOSITIONS IN HELICAL WINDING
Thank You . . .
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