Two 36 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 (c) 호 (d) 1/4 1/2

Two 36 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 (c) 호 (d) 1/4 1/2

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

In a Three-phase alternator, a given field current produces an armature current of 250 A on short-circuit and a generated e.m.f. of 1500 V on open-circuit. Calculate the terminal p.d. when a load of 250 A at 6.6 kV and 0.8 p.f. lagging is switched off. Calculate also the regulation of the alternator at the given load. Subject: Electrical engineering
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.
If a 3-phase short circuit occurs at the terminals of an alternator, the current in the armature circuit increases suddenly to a large value. Select one: True False
An alternator is a type of alternating current generator that is electromechanical. True False
H.W-1: 1. Draw a developed diagram of a simple 2-layer lap-winding for a 4-pole generator with 8 coils. 2. Draw a developed diagram of a simple 2-layer wave-winding for a 4-pole generator with 9 slots.
The maximum efficiency of 10Kw D.C generator is 98% and occurs at 80% of full load. Find the total copper losses at rated load
The load characteristic curve of the DC generator is the relationship between the O Load current and load voltage Generated voltage and field current O Generated voltage and load current O Load voltage and field current
5
An autotransformer have two separate windings, and are known as double-wound transformers. Select one: O True O False A 8 pole generator has a wave wound armature with 67 slots with 29 conductors per slot. Then the number of parallel paths in armature is
A 9.9 kV, Y-connected, 3 phase alternator has a synchronous reactance of 8 ohms per phase and negligible resistance. At a certain field current the armature is known to induce 8.2 kV per phase. Calculate the power that can be developed by the alternator at this excitation.
We have 3 Phase, 24 Slot, 6 Pole Double Layer Winding. Solve then construct its Winding Diagram.
A 4 pole generator with wave wound armature has 50 slots each having 22 conductors. The flux per pole is 0.01 Wb. At what speed must the armature rotate to give an induced EMF of 220V is,