Solution: Calculate the indications on wattmeters when these are inserted to measure power

(Last Updated On: January 21, 2024)

Problem Statement: Electrical Engineering Professional Subjects

Electrical Machines: AC Motors Problem Solving

A wound rotor motor, 7.5 HP, 230 volts, 3-phase takes a line current of 18.4 amperes, when operating at rated output at an efficiency of 88%. Calculate the indications on wattmeters when these are inserted to measure power by the two wattmeter method.

A.  4.035 kW, 2.325 kW

B.  4.232 kW, 2.126 kW

C.  3.902 kW, 2.456 kW

D.  3.855 kW, 2.503 kW

The indications on wattmeters when these are inserted to measure power by the two wattmeter method is equal to 4.232 kW, 2.116 kW.

View Solution:

Subscribe To Unlock The Content! and Remove Ads.

More Questions in: AC Motors Problem

Online Question and Answer in AC Motors Series | REE Board Exam

P inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Also provides professionals with materials for their lectures and practice exams. Help me go forward with the same spirit.

“Will you subscribe today via YOUTUBE?”

Subscribe

• Full Content Access Exclusive to Premium members

• CIVIL ENGINEERING REVIEWER
• CIVIL SERVICE EXAM REVIEWER
• CRIMINOLOGY REVIEWER
• ELECTRONICS ENGINEERING REVIEWER (ECE/ECT)
• ELECTRICAL ENGINEERING & RME REVIEWER
• FIRE OFFICER EXAMINATION REVIEWER
• LET REVIEWER
• MASTER PLUMBER REVIEWER
• MECHANICAL ENGINEERING REVIEWER
• NAPOLCOM REVIEWER

FOR A LIMITED TIME

If you subscribe for PREMIUM today!