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This document contains examples and problems related to DC generators. Example 1.1 calculates the voltage generated by a four-pole lap wound generator. Example 1.2 calculates the generated EMF of a shunt generator given other parameters.
In this lecture some typical problems on D.C machines are worked out not only to solve the problems only but also to bring out important features of the motors involving its performance. To begin with few problems on d.c motors have been solved and then problems on generator are taken up.
A 110-V shunt generator has a full-load current of 100 A, shunt field resistance of 55 Ω and constant losses of 500 W. If F.L. efficiency is 88%, find armature resistance. Assuming voltage to be constant at 110 V, calculate the efficiency at half F.L.
11 paź 2022 · In this chapter, the problems of the 11th chapter are fully solved, in detail, step-by-step, and with different methods. 12.1. Based on the information given in the problem, the winding type of armature is simple lap. In addition, we have: Figure 12.1 shows the electrical circuit of the shunt DC generator.
5 sty 2018 · This set of DC Generator Problems with Solution focuses on problems based on Types of DC Generator. DC Generator Problem 1 A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature are 50 Ω and 0.03 Ω respectively.
DC-Machines Problems & Solutions - Free download as PDF File (.pdf), Text File (.txt) or read online for free. 1) An 8-pole generator with 600 conductors generates 500V when running at 625 rpm with a flux of 20 mWb per pole.
of DC Generators, Relation between induced emf and terminal voltage. DC motors: Principle of operation, back Emf, torque equation, Types of D.C. motors (shunt and series motors only), and applications.
