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18. An ideal 50-Hz, core-type transformer has 100 primary-turns and 200 secondary- turns. The primary rated voltage is 220 V. If the maximum permissible flux density is 1.2 T, what should be the cross-sectional area ? Also, find (a) the secondary voltage, and (b) the primary current in complex form with reference to the secondary voltage vector when secondary delivers a current of 8 A at a lagging power factor of 0.8.

18. An ideal 50-Hz, core-type transformer has 100 primary-turns and 200 secondary- turns. The primary rated voltage is 220 V. If the maximum permissible flux density is 1.2 T, what should be the cross-sectional area ? Also, find (a) the secondary voltage, and (b) the primary current in complex form with reference to the secondary voltage vector when secondary delivers a current of 8 A at a lagging power factor of 0.8.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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agging) 18. An ideal 50-Hz, core-type transformer has 100 primary-turns and 200 secondary- turns. The primary rated voltage is 220 V. If the maximum permissible flux density is 1.2 T, what should be the cross-sectional area ? Also, find (a) the secondary voltage, and (b) the primary current in complex form with reference to the secondary voltage vector when secondary delivers a current of 8 A at a lagging power factor of 0.8.
Transcribed Image Text:agging) 18. An ideal 50-Hz, core-type transformer has 100 primary-turns and 200 secondary- turns. The primary rated voltage is 220 V. If the maximum permissible flux density is 1.2 T, what should be the cross-sectional area ? Also, find (a) the secondary voltage, and (b) the primary current in complex form with reference to the secondary voltage vector when secondary delivers a current of 8 A at a lagging power factor of 0.8.
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