Question

c) A 1-Phase, 1 kVA, 230/115 V transformer used in a laboratory. Calculate: (1)
Primary wirding current (ii) Secondary winding current (iii) Turns Ratio and (iv)
Current Ratio.​

Answer 1

(1) 4.3478 A

(ii) 8.6956 A

(iii) 0.5

(iv)0.4999

is the answer to the given question

Explanation:

Given information that are mention in question

E1 = 230,

E2 = 115

KVA rating = 1 kvA=1000 VA

• (i) The Primary wirding current is determined by

        I1=KiloVoltAmphere rating / E1

        I1=1000/230

        I1=4.3478A

• (ii)The Secondary winding current is determined by

        I2=KiloVoltAmphere rating / E2

        I1=1000/115

        I1=8.6956A

• (iii)The turn ratio is determined by

           K=E2/E1

           K=115/230

           K=0.5

• (iv) The current ratio can be determined by

      Current Ratio=I1/I2

    Current Ratio=4.347/ 8.695

     Current Ratio=0.4999 ~ 0.5

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Answer 2

Answer:

Explanation:

ans