A self-exuled d.c generator has the foibuing data: Aokw,240 v, Under rated conditions, the voltage drop in thedemature circuit is determined to be 6.1 percent oftheterminal volHage. ALso the shunt-field current is delermincdtobe 4.8 percent of the rated Load current. Calculatethe asmaure Circuid resiustamce and the shunt fieldCircuit resistamce.

Armature resistance = armature resistance drop / armature current. field resistance = terminal…

A self-exuled d.c qeneratur has the foibuhng data: Aokw, 240 v, Under rated conditions, the voltage drop in the de mature cr cuit is determined to be 6.1 peYcent ofthe terminal UOltage. ALso the shunt-field current is defermincd tobe 4.8 percent of the rated Load current. calculate the asmaure Circui resiustamce and the shunt field Cir cit resistamce.

A self-exuled d.c qeneratur has the foibuhng data: Aokw, 240 v, Under rated conditions, the voltage drop in the de mature cr cuit is determined to be 6.1 peYcent ofthe terminal UOltage. ALso the shunt-field current is defermincd tobe 4.8 percent of the rated Load current. calculate the asmaure Circui resiustamce and the shunt field Cir cit resistamce.

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...

See similar textbooks

Similar questions

What are the conditions in paralleling of these DC Generators:a. Shuntb. Seriesc. Compound
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.
The type generator field winding is supplied from the external D.C. source. separately excited Compound Shunt Self excited
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 6-pole, 3-phase, 60-cycle alternator has 12 slots per pole and four conductors per slot. The winding is 5/6 pitch. There are 2,500,000 maxwells (0.025 weber) entering the armature from each north pole, and this flux is sinusoidally distributed along the air gap. The armature coils are all connected in series. The winding is wye-connected. Determine the open circuit emf of the alternator.
A 6 pole wave wound d.c. shunt generator has 500 conductors. A generator delivers 50 kW of power at 250 voltage at full load. The resistance of the field circuit is 125 2. Actual brush shift is 10°. Then find the demagnetizing and cross magnetizing ampere turns per pole and how many additional turns must be wound on each pole to eliminate the demagnetizing effect.
1.) A 6-pole, 3-phase, 60-Hz alternator has 12 slots per pole and four conductors per slot. The winding is 5/6 pitch. There are 0.025 Wb entering the armature from each north pole, and this flux is sinusoidally distributed along the air gap. The armature coils are all connected in series. The winding is wye-connected. Determine the open circuit emf per phase of the alternator. Subject Electrical machine 2
The dc armature resistance of delta-connected alternator measured across its two terminal is 0.8 ohm. The effective resistance per phase is?
two synchronous generators are connected in parallel, feeding a load together. the frequency of the first generator in the no-load State is 52 Hz and the slope of the characteristic is 1 MW/Hz. the total power of the load fed by these two generators is 2.5 MW and the power coefficient is 0.6 inductive. by drawing the characteristic curve of the system;a) what is the frequency of the system when the load in question is fed, and how do the two generators share the load between themselvesb) if a load of 0.5 MW is added to the system, find the operating frequency of the new system and the powers given by each generatorc) if a second load of 0.5 MW is connected to the system, the idle operating frequency of the second generator is increased by 0.5 Hz, what happens to the operating frequency of the system and the power values given by the generators
A 4 pole dc generator with duplex wave winding has 48 slots and four elements per slot. The flux perpole is 2.5 x 10 Maxwells and the speed of the prime mover is 30 rpm. What is the average generatedarmature voltage? Neglecting brush drop.
A P=15 Kw a shunt generator with load voltage is 300V and resistace of the shunt field and armature are 50 and 0.5 ohms respectively. Calculate the generated emf.
A DC generator with 8 pole, duplex lap winding excited with a flux of 3mWb/ pole. The number of parallel path in the winding is A 12 B 8 C 16 D 4