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Simplified Equivalent Circuit of a Transformer
SIMPLIFIED EQUIVALENT CIRCUIT: While drawing simplified circuit of a transformer, the exciting circuit (i.e., exciting resistance and exciting reactance) can...
Static Rotor -resistance control.
Static rotor-resistance control In a slip-ring induction motor, 3 phase variable resistors R2 can be inserted in the rotor circuit...
Classification of Materials
INTRODUCTION: The ultimate aim of any engineering work is practical application of material in the manufacture of machines for use...
AC drives
AC drives Primarily, electric drives can be divided into two groups, DC drives and AC drives , DC drives have...
Three – phase Dual converter drives
Three- phase double converter drives The schematic diagram for a 3- phaseDC drive as shown in figure. Converter 1 allows...
Power System
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