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1. In a two-phase 2400 volts motor, phase current is 800 amperes, efficiency is 90% and power factor is 85%. What is the hp of 2-phase motor? А. 2372 В. 2844 С. 2784 D. 1288 2. A balanced three phase wye connected source has using "positive phase" sequence, 398 Vrms with 90 degrees angle. Determine Vbn. Vca = wwwwm A. -230+jOV В. -115-j199V C.115-j199V D. -j230V

1. In a two-phase 2400 volts motor, phase current is 800 amperes, efficiency is 90% and power factor is 85%. What is the hp of 2-phase motor? А. 2372 В. 2844 С. 2784 D. 1288 2. A balanced three phase wye connected source has using "positive phase" sequence, 398 Vrms with 90 degrees angle. Determine Vbn. Vca = wwwwm A. -230+jOV В. -115-j199V C.115-j199V D. -j230V

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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1. In a two-phase 2400 volts motor, phase current is 800 amperes, efficiency is 90% and power factor is 85%. What is the hp of 2-phase motor? C. 2784 D. 1288 A. 2372 В. 2844 2. A balanced three phase wye connected source has using "positive phase" sequence, Vca 398 Vrms with 90 degrees angle. Determine Vbn. %3D A. -230+jOV В. -115-j199V C.115-J199V D. -j230V
Transcribed Image Text:1. In a two-phase 2400 volts motor, phase current is 800 amperes, efficiency is 90% and power factor is 85%. What is the hp of 2-phase motor? C. 2784 D. 1288 A. 2372 В. 2844 2. A balanced three phase wye connected source has using "positive phase" sequence, Vca 398 Vrms with 90 degrees angle. Determine Vbn. %3D A. -230+jOV В. -115-j199V C.115-J199V D. -j230V
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