Find the total input power, Electrical Engineering

Assignment Help:

Q. A 230-Vdc shuntmotor delivers 30 hp at the shaft at 1120 r/min. If the motor has an efficiency of 87% at this load, find:

(a) The total input power.

(b) The line current.

(c) If the torque lost due to friction and windage is 7% of the shaft torque, calculate the developed torque.


Related Discussions:- Find the total input power

Characteristics of common drain amplifier, Normal 0 false fal...

Normal 0 false false false EN-IN X-NONE X-NONE

Ac, power factor improvement

power factor improvement

Discuss in brief on combination clippers, Q. Discuss in brief on combinatio...

Q. Discuss in brief on combination clippers ? Combination clippers are a combination of biased positive and negative clippers. With a combination clipper, a portion of both pos

Name the various magnetically hard alloys, Name the various magnetically ha...

Name the various magnetically hard alloys. Several of the magnetically hard materials are rare earth carbon steel, cobalt, tungsten steel, alnico, hard ferrites and cobalt stee

R-C phase shift oscillator , Sketch the circuit diagram of a 4- ladder netw...

Sketch the circuit diagram of a 4- ladder network R-C phase shift oscillator and explain its principle of operation. Also determine the gain of the basic amplifier necessary for th

What do you understand by dram and its refreshing, What do you understand b...

What do you understand by DRAM and its refreshing? Dynamic RAM (DRAM) is fundamentally the same as SRAM, but this retains data for only 2 or 4 ms on an internal capacitor. But

Determine the magnetic flux, Determine the magnetic flux: A coil is wo...

Determine the magnetic flux: A coil is wound uniformly with 300 turns over a steel ring of relative permeability 900, with a mean circumference of 40mm and cross-sectional are

Four quadrant chopper or class e chopper , Four  Quadrant Chopper or Class...

Four  Quadrant Chopper or Class E chopper                                                                    Figure class E chopper circuit  Mode I When

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd