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A three phase motor has the following technical specifications on its label: 7.5[kW], η=90.1%, cosΦ=0.91, 2950 [RPM] If this motor is connected to VLL=400[V] 50[Hz] three phase grid, what are the powers listed below? What are the current it draws from grid and torque it generates at nominal speed? Real power: Pe=  __________ [W] Apparent power: S= ___________ [VA] Reactive power: Q= __________ [VAR] Nominal power: Pn= _________ [W] Mechanical power: Pm= ________ [W]  Nominal current: In= __________[A] Nominal torque: Tn= _________. [Nm]

A three phase motor has the following technical specifications on its label: 7.5[kW], η=90.1%, cosΦ=0.91, 2950 [RPM] If this motor is connected to VLL=400[V] 50[Hz] three phase grid, what are the powers listed below? What are the current it draws from grid and torque it generates at nominal speed? Real power: Pe=  __________ [W] Apparent power: S= ___________ [VA] Reactive power: Q= __________ [VAR] Nominal power: Pn= _________ [W] Mechanical power: Pm= ________ [W]  Nominal current: In= __________[A] Nominal torque: Tn= _________. [Nm]

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 three phase motor has the following technical specifications on its label:

7.5[kW], η=90.1%, cosΦ=0.91, 2950 [RPM]

If this motor is connected to VLL=400[V] 50[Hz] three phase grid, what are the powers listed below?
What are the current it draws from grid and torque it generates at nominal speed?

Real power: Pe=  __________ [W]
Apparent power: S= ___________ [VA]
Reactive power: Q= __________ [VAR]
Nominal power: Pn= _________ [W]
Mechanical power: Pm= ________ [W] 
Nominal current: In= __________[A]
Nominal torque: Tn= _________. [Nm]

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