Example 28.1. The magnetization curve of a d.c. shunt generator at 1500 rp.m. is: I (A) : 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.0 E, (V): 120 172.5 202.5 221 231 237 240 6. 60 For this generator find (î) no load e.m.f. for a total shunt field resistance of 100 2 (i) th critical field resistance at 1500 r.p.m. and (iii) the magnetization curve at 1200 r.p.m. and therefron the open-circuit voltage for a field resistance of 100 2. (b) A long shunt, compound generator fitted with interpoles is cummutatively-compounded With the supply terminals unchanged, the machine is now run as compound motor. Is the moto differentially or cumulatively compounded ? Explain. (Elect, Machines, A.M.LE. Sec. B, 1990

Example 28.1. The magnetization curve of a d.c. shunt generator at 1500 rp.m. is: I (A) : 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.0 E, (V): 120 172.5 202.5 221 231 237 240 6. 60 For this generator find (î) no load e.m.f. for a total shunt field resistance of 100 2 (i) th critical field resistance at 1500 r.p.m. and (iii) the magnetization curve at 1200 r.p.m. and therefron the open-circuit voltage for a field resistance of 100 2. (b) A long shunt, compound generator fitted with interpoles is cummutatively-compounded With the supply terminals unchanged, the machine is now run as compound motor. Is the moto differentially or cumulatively compounded ? Explain. (Elect, Machines, A.M.LE. Sec. B, 1990

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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