Or(a) For a compound de generator, there are three windings which are shunt fieldwinding, series field winding and amature winding. Here, the windingresistances are Rah , Ra, and Ra respectively and the currents of the windingsare Ia , Ia, and Ia respectively. The current Ím is parallel to series field curentIse. For a generated voltage Eg, if the terminal voltage and terminal current atload are V and IL respectively, show that, the difference between generatedvoltage and terminal voltage equals to the combination of multiple resistivevoltage drops which are IRa, IR2, IR, and IRe.

According to question: The circuit of compound dc generator will be as given below:

Answered: Or (a) For a compound de generator,…

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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What are the conditions in paralleling of these DC Generators:a. Shuntb. Seriesc. Compound
The type generator field winding is supplied from the external D.C. source. separately excited Compound Shunt Self excited
The terminal voltage of a 150 kW series generator is 600 V at rated load. The armature resistance is 0.06 ohms and the series field resistance is 0.04 ohms. Find generated emf.
Two 30 AC generators are such that one has twice the linear dimensions of the other. The field windings of each are excited to give identical sinusoidal air gap flux density waveform. Both have the same number of stator slots and identical winding patterns. The conductors per slot in big generator in K times that of the smaller one. The value of K to get equal no-load voltage at same frequency is (a)8 (b) 8 1 (d) 7 (c) 4
A synchronous generator runs at 250 rpm and generates at 50-Hz. There are 216 slots, each containing 5 conductors arranged in a full-pitched winding for 3-phase star connection. All the conductors of each phase are in series and the flux per pole at no-load sinusoidally distributed over the pole pitch is 30 mWb. Find the emf induced in each phase winding and the terminal voltage.
. Two dc shunt generators A and B are rated at 100 and 150 kW at 110 V respectively, Their external load characteristics may be considered as straight line. The voltage drop In the terminal voltage from no-load to full-load Is 10 V for A and 20 V ſor B. Determine the operating voltage when these generators are operated in parallel to supply a load of 220 kW.
A synchronous generator runs at 250 rpm and generates at 50-Hz. There are 216slots, each containing 5 conductors arranged in a full-pitched winding for 3-phasestar connection. All the conductors of each phase are in series and the flux perpole at no-load sinusoidally distributed over the pole pitch is 30 mWb. Find the emfinduced in each phase winding and the terminal voltage.
The emf generated in each conductor of a 6-pole simplex wave armature winding is 0.48 V. If the armature has 42 slots and 125 commutator segments, and there are four turns per armature winding element, find the terminal voltage of the generator. a. 288 V b. 264 V c. 192 V d. 240 V
(use 2-decimal digits for solutions) A synchronous generator runs at 250 rpm and generates at 50-Hz. There are 216slots, each containing 5 conductors arranged in a full-pitched winding for 3-phasestar connection. All the conductors of each phase are in series and the flux perpole at no-load sinusoidally distributed over the pole pitch is 30 mWb. Find the emfinduced in each phase winding and the terminal voltage.
An 135-pole d.c. shunt generator with wave wound armature having 620 conductors, has to supply a load of 170 lamps each of 135W at 235 v. The flux per pole is 22 mWb and Ra = 2 ohms, Rsh=70ohms. What will be the load current and e.m.f generated. Consider brush drop of 1.6v/brush. Load Current Generated EMF In DC generators brushes are used for
10- A long shunt compound generator delivers a current of 10A at 200V and has a series field resistance and shunt field resistance of 1 ohm and 200 ohms respectively. Then series field current is a. 10A b. 9A c. 1A d. 2A
An 135-pole d.c. shunt generator with wave wound armature having 620 conductors, has to supply a load of 170 lamps each of 135W at 235 v. The flux per pole is 22 mWb and Ra = 2 ohms, Rsh=70ohms. What will be the load current and e.m.f generated. Consider brush drop of 1.6v/brush. Load Current Generated EME

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