Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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In two winding unloaded transformer, the flux linking the primary and secondary winding are 10mwb and 8 mWb respectively. What is the coupling coefficient?
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- Tansformersarrow_forwardCalculate the primary leakage reactance of a transformer, supplying a load current of 10 A and 60 Hz. The transformer has a primary winding of 200 turns and secondary winding of 100 turns. The primary leakage flux has a peak value of 2 mWb and primary current is 5 A. BI Fr T: IIarrow_forwardWhich of the following is the correct equation for calculating the rated current for a single-phase transformer? A. I=va/e b.I=sc/e c.a/e d.e×z/earrow_forward
- Two transformers are to be operated in parallel such that they share load in proportion to their KVA rating. The rating of the first transformer is 500 kVA and its pu leakage impedance is 0.05 pu. If the rating of second transformer is 250 kVA, then its pu leakage impedance is A 0.20 B 0.10 C 0.05 D 0.025arrow_forward6. For the air core transformer circuit shown below, determine the currents la and lb in the direction shown. Express each answer in polar form. R1-302 www la ZI1=150 E=10/0 M=j20 Ze= n Z12=j62 lb R2=50 la Ibarrow_forwardtransformrsarrow_forward
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