answer all neatly 2. Calculate the full-load power factor of a single-phase motor that has the followingname-plate data: E = 115; I = 4.6; hp = 4; rpm 1,740. Assume an effi-ciency of 60 per cent.3. What will a wattmeter register in the motor of Prob. 2?4. Calculate the regulation and slip of a single-phase motor that has a no-load speedof 1,195 rpm and a full-load speed of 1,120 rpm when operated from a 60-cyclesource.5. Calculate the full-load torque of the motor in Prob. 2: (a) in pound-feet; (b) inounce-inches.

Answered: 2. Calculate the full-load power factor…

2. Calculate the full-load power factor of a single-phase motor that has the following name-plate data: E = 115; I = 4.6; hp = 4; rpm = 1,740. Assume an effi- ciency of 60 per cent.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

answer all neatly

2. Calculate the full-load power factor of a single-phase motor that has the following
name-plate data: E = 115; I = 4.6; hp = 4; rpm 1,740. Assume an effi-
ciency of 60 per cent.
3. What will a wattmeter register in the motor of Prob. 2?
4. Calculate the regulation and slip of a single-phase motor that has a no-load speed
of 1,195 rpm and a full-load speed of 1,120 rpm when operated from a 60-cycle
source.
5. Calculate the full-load torque of the motor in Prob. 2: (a) in pound-feet; (b) in
ounce-inches.

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