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A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED MW85OWA 71NNB00010 Kw 1.2 MICROWAVE (U 25 MANUFACTURED: NOMEMEER-2000 FCC ID: A3LMW850 MADE IN KOREA SEC THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SSUBCHAPTER J. Figure 2 Given that the device is operating at rated conditions and has a power factor of 0.8 lagging, The instantaneous current 1 = 12.5A The equivalent impedance Z = 9.6Z36.87°N a) Calculate the new and improved power factor if a 250 µF capacitor is inserted in parallel with the supply. Draw a phasor diagram showing the following parameters after the capacitor is inserted (calculate where necessary): i. The source current, Is ii. The voltage across the inserted capacitor, Vc iii. The current through the inserted capacitor, Ic iv. The current through the microwave oven, IL

A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED MW85OWA 71NNB00010 Kw 1.2 MICROWAVE (U 25 MANUFACTURED: NOMEMEER-2000 FCC ID: A3LMW850 MADE IN KOREA SEC THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SSUBCHAPTER J. Figure 2 Given that the device is operating at rated conditions and has a power factor of 0.8 lagging, The instantaneous current 1 = 12.5A The equivalent impedance Z = 9.6Z36.87°N a) Calculate the new and improved power factor if a 250 µF capacitor is inserted in parallel with the supply. Draw a phasor diagram showing the following parameters after the capacitor is inserted (calculate where necessary): i. The source current, Is ii. The voltage across the inserted capacitor, Vc iii. The current through the inserted capacitor, Ic iv. The current through the microwave oven, IL

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED Kw MICROWAVE MW85OWA 71NNBO0010 1.2 (UL MANUFACTURED: NOMEVEER-2000 FCC ID: THIS PRODUCT COMPLIES WITH OHMS RULES 21 CFR SUBCHAPTER J. A3LMW850 MADE IN KOREA SEC Figure 2 Given that the device is operating at rated conditions and has a power factor of 0.8 lagging. The instantaneous current I = 12.5A The equivalent impedance z = 9.6Z36.87°N a) Calculate the new and improved power factor if a 250 µF capacitor is inserted in parallel with the supply. Draw a phasor diagram showing the following parameters after the capacitor is inserted (calculate where necessary): i The source curent, Is ii. The voltage across the inserted capacitor, Vc i1i. The current through the inserted capacitor, Ic iv. The current through the microwave oven, IL
Transcribed Image Text:A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED Kw MICROWAVE MW85OWA 71NNBO0010 1.2 (UL MANUFACTURED: NOMEVEER-2000 FCC ID: THIS PRODUCT COMPLIES WITH OHMS RULES 21 CFR SUBCHAPTER J. A3LMW850 MADE IN KOREA SEC Figure 2 Given that the device is operating at rated conditions and has a power factor of 0.8 lagging. The instantaneous current I = 12.5A The equivalent impedance z = 9.6Z36.87°N a) Calculate the new and improved power factor if a 250 µF capacitor is inserted in parallel with the supply. Draw a phasor diagram showing the following parameters after the capacitor is inserted (calculate where necessary): i The source curent, Is ii. The voltage across the inserted capacitor, Vc i1i. The current through the inserted capacitor, Ic iv. The current through the microwave oven, IL
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