Electrical Machines, EE202 Synchronous Generators
4. Synchronous Generators
4.1.
Introduction
A synchronous machine is an AC rotating machine whose speed under steady state condition
is proportional to the frequency of the current in its armature. The mag

Electrical Machines, EE202 Real DC Machine Considerations
8. Real DC Machines Considerations
8.1.
Introduction
In the previous chapter we reviewed the fundamental concepts of dc machines by studying a
simple rotating loop. In this chapter we will consolid

Electrical Machines, EE202 Principles of Electrical Machines
1. Principles of Electrical Machines
1.1.
Introduction
Electrical machines are energy convertors. They exist in three forms:
i) Electric Generators:
They convert mechanical energy into electrica

Electrical Machines, EE202 Induction Motors
6. Induction Motors
6.1.
Introduction
The most widely used of all electrical
machines is the induction motor. The
induction is an AC motor in which all
electromagnetic energy is transferred by
inductive coupling

Electrical Machines, EE202 - Transformers
2. Transformers
2.1.
Introduction
Transformers are a class of static
electrical machines that transfer energy
through inductive coupling between
their winding circuits. A varying current
in the primary winding cre

Electrical Machines, EE202 DC Motors
9. DC Motors
9.1.
Introduction
Although modern power systems are predominantly
ac, dc motors are still popular. One reason is that dc
power systems are still common in vehicles cars,
trucks and aircraft.
DC motors are

Electrical Machines, EE202 Synchronous Motors
5. Synchronous Motors
5.1.
Introduction
A synchronous electric motor is an AC motor in which, at steady state, the rotation of the shaft
is synchronized with the frequency of the supply current; the rotation p

UNIVERSITY OF ZIMBABWE
FACULTY OF ENGINEERING
DEPARTMENT OF ELECTRICAL ENGINEERING
BSc (HONS) ELECTRICAL ENGINEERING
Course:
Electrical Machines I 2015
Course Code:
EE202
Lecturer:
Liberty Mutauranwa
Contact Hours:
60 Hours
Aims
1. To introduce students t

Electrical Machines, EE202 Rotating AC Machinery Fundamentals
3. Rotating AC Machinery Fundamentals
3.1.
Introduction
In the previous chapter we discussed transformers. These belong to the class of static electrical
machines. The other class of electrical

Electrical Machines, EE202 Fundamentals of DC Machines
7. Fundamentals of DC Machines
7.1.
Introduction
DC machines are generators that convert mechanical energy to DC electric energy and motors
that convert DC electric energy to mechanical energy. Most D