Page 274 - Electrician - TT (Volume 1)

ELECTRICIAN - CITS

X
• To transfer X2 from secondary to primary, X2 = 2
K²
• To transfer X1 from primary to secondary X1 = X1 k2
• Impedance of transformer referred to primary
Z01 = √R01² + X01²

Transferring data from one side to other
Parameter Secondary to primary Primary to secondary

Resistance R2/K² R1K²
Reactance X2/K² X1K²
Impedance Z2/K² Z1K²
Voltage V2/K V1K
Current I2K I1/K

Impedance of transformer referred to secondary Z02 = √R02² + X02² (Fig 20)

Fig 20

Secondary circuit (Fig 21)

Fig 21

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CITS : Power - Electrician & Wireman - Lesson 41-49