d) How to control voltage regulation?e) Why is automatic voltage control needed?f) Is it possible to set the excitation if the rotor of the synchronous generator consists ofpermanent magnet? How is the output voltage controlled in this type of generator? Appendix:Voltage measurements taken in the experiment:SG Terminal Voltagewith Regulator [ V]SG Terminal Voltagewithout Regulator [ V ]Load Current(Inductive Load)No Load1821841 A1801781.5 A1781752 A1781462.5 A176119ЗА1761003.5 A175784 A17450

Answered: d) How to control voltage regulation?

Engineering

Electrical Engineering

d) How to control voltage regulation?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Types of Thyristors

With four layers of alternating P- and N- materials, a thyristor is a solid-state semiconductor device. It acts as a type of bi-stable switch and it conducts when the gate receives a current trigger and continues to conduct until the voltage is reverse biased across the device or by some means until the voltage is removed. The silicon-controlled rectifier is considered synonymous with thyristors by some sources. Thyristors are defined as more complex by other sources as it contains at least four-layer of alternating N-type and P-type substrate. They find large applications in the control of electrical power supplies, electric motor speed control, and ranging of light dimmers because thyristors can control large amounts of power supplies and voltage with a small device. The circuit symbol of the thyristor is given below.

Question

d) How to control voltage regulation?
e) Why is automatic voltage control needed?
f) Is it possible to set the excitation if the rotor of the synchronous generator consists of
permanent magnet? How is the output voltage controlled in this type of generator?

Appendix:
Voltage measurements taken in the experiment:
SG Terminal Voltage
with Regulator [ V]
SG Terminal Voltage
without Regulator [ V ]
Load Current
(Inductive Load)
No Load
182
184
1 A
180
178
1.5 A
178
175
2 A
178
146
2.5 A
176
119
ЗА
176
100
3.5 A
175
78
4 A
174
50

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