A d.c. shunt generator running at 850 r.p.m. gave the followig 0.C.C. data : Field current (A): 0 0.5 1 3 4 5 E.M.F. (V) : 10 60 120 199 232 248 258 If the resistance of the shunt field is 50 2, determine the additional resistance required in the shunt field circuit to give 240 V at a speed of 1000 r.p.m.

A d.c. shunt generator running at 850 r.p.m. gave the followig 0.C.C. data : Field current (A): 0 0.5 1 3 4 5 E.M.F. (V) : 10 60 120 199 232 248 258 If the resistance of the shunt field is 50 2, determine the additional resistance required in the shunt field circuit to give 240 V at a speed of 1000 r.p.m.

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

A shunt generator delivers 195 A at a terminal p.d. of 250 V. The armature resistance and shunt field resistance are 0.02 2 and 50 2 respectively. What is the value of generated e.m.f. ?
electromechanical energy conversion question. please answer it clearly.
Plz answer all parts
2. A 220-V long-shunt compound d.c. generator is supplying 100 A to a load. The resistances of the shunt field, the series field, and the armature are 50 ohms, 0.025 ohm, and 0.05 ohm respectively. Find the following:
i need the answer quickly
Can you please address the question in the attached photo, please?
A 240 V. D.C. A shunt generator supplies a full load current of 60 A. The armature and shunt field resistances are 0.1 ohm and 120 respectively. If the iron loss is 400 W and the mechanical loss is 500 W, find the full load efficiency.
4
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 short-shunt generator supplies 220A at 260V. The armature resistance is 0.15Ω, shunt field resistance is 50Ω, and the series field resistance is 0.2Ω. If the SPL amounts to 4% of the total power output, determine the efficiency (in %).
4. A short-shunt compound generator has armature, shunt-field and series-field resistances of 0-8 2, 45 2 and 0-6 2 respectively and sup- plies a load of 5 kW at 250 V. Calculate the e.m.f. generated in the armature. 28266