DE6401                             POWER SYSTEMS 1

Level 6                                             Credits 15                                            Version July 2010

LEARNING TIME

RECOMMENDED PRE-REQUISITE

DE5401 Power Engineering L5

RECOMMENDED CO-REQUISITE

Nil

AIM/PURPOSE

To develop an understanding of three phase power systems and distribution systems.

LEARNING OUTCOMES

On successful completion of this course, the student should be able to:

1.            Demonstrate knowledge of various earthing methods.

2.            Demonstrate knowledge of power cables and overhead lines.

3.            Perform fault calculations on electrical systems.

4.            Describe the process of current interruption.

5.            Demonstrate knowledge and describe key components of protection and SCADA systems.

INDICATIVE CONTENT

●          Applications of earthing systems are explained in accordance with the Electricity Regulations 1997, with the aid of diagrams.

●          Terms used in earthing systems are explained in accordance with the Electricity Regulations 1997, and industry practice including “earthed, earthing system, electrical bonding, earth bonding, equipotential bonding”

●          Components of earthing systems are described with the aid of wiring diagrams in terms of their function and operation.

●          Earthing systems are identified and compared in terms of application and practicality in accordance with industry practice.

●          Power cable construction and applications are described.

●          The principles of electrical reticulation and outdoor installations are described in terms of the intent and application of the Electricity Regulations 1997 and AS/NZS 3000:2000

●          Causes of faults and their effect on electrical equipment are explained

●          Fault magnitudes are calculated for both symmetrical and asymmetrical faults

●          Current interruption is explained in terms of the various parameters on a current interruption oscillogram

●          Current making and breaking capacities for various types of switchgear are compared in accordance with industry practice

●          Operation and use of autoreclosers and sectionalisers fuses and dropout fuses, and common types of protection relays are explained in accordance with industry practice

●          Operation principles of current and voltage transformers are explained in terms of various construction types in accordance with industry practice

●          Key components in a protection system are described with the aid of diagrams.

●          The operation and application of a protection system is described in accordance with industry practice

●          SCADA concepts and applications.