4- A 100kW, belt driven shunt generator running at 300rpm on 220V bus bars continue torun as a motor when the belt breaks, then taking 10KW. What will be its speed?Armature resistance is 0.0250; field resistance is 602; contact drop under each brush is1V.5- Calculate the reactance voltage for a machine which runs at 900rpm number ofcommutator segments is 65, brush width is 1.74 (in commutator segments), coefficientof self induction is 153µH. Assume linear commutation and neglect mica thickness andthe conductor current is 27A.

As per the rules we can answer only one question, please post the remaining questions as the…

4- A 100kW, belt driven shunt generator running at 300rpm on 220V bus bars continue to run as a motor when the belt breaks, then taking 10kW. What will be its speed? Armature resistance is 0.025Q; field resistance is 600; contact drop under each brush is 1V.

4- A 100kW, belt driven shunt generator running at 300rpm on 220V bus bars continue to run as a motor when the belt breaks, then taking 10kW. What will be its speed? Armature resistance is 0.025Q; field resistance is 600; contact drop under each brush is 1V.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

4- A 100kW, belt driven shunt generator running at 300rpm on 220V bus bars continue to
run as a motor when the belt breaks, then taking 10KW. What will be its speed?
Armature resistance is 0.0250; field resistance is 602; contact drop under each brush is
1V.
5- Calculate the reactance voltage for a machine which runs at 900rpm number of
commutator segments is 65, brush width is 1.74 (in commutator segments), coefficient
of self induction is 153µH. Assume linear commutation and neglect mica thickness and
the conductor current is 27A.

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