ENEL280-23S1 (C) Semester One 2023

Principles of Electrical Systems

15 points

Start Date: Monday, 20 February 2023
End Date: Sunday, 25 June 2023
Withdrawal Dates
Last Day to withdraw from this course:
  • Without financial penalty (full fee refund): Sunday, 5 March 2023
  • Without academic penalty (including no fee refund): Sunday, 14 May 2023


Magnetic circuits and materials. Phasor analysis of single and three phase power. Transformers. Principles of electrical generation and distribution systems, synchronous and induction machines. DC machines. Motor control.

1) Electric circuits and components; voltage, current, power,
2) Single phase power, power factor, phasor diagrams, power factor correction
3) Magnetic circuits; material properties, inductors, transformers, equivalent circuits
4) Three phase power
5) DC motors
6) Synchronous machines (alternators and motors)
7) Asynchronous machines (induction motors)

You need a working knowledge of complex algebra, vector diagrams, and some calculus.

Learning Outcomes

At the conclusion of this course you should be able to:

LO1: Analyse and measure the characteristics of single and three phase power circuits (WA1, WA4, WA5)

LO2: Apply electrical energy and magnetism principles to analyse electrical energy conversion systems (WA1, WA2)

LO3: Identify the properties, applications and limitations of materials and components used in power circuits (WA1, WA2, WA4)

LO4: Identify, measure and calculate the performance of electrical machines (WA1, WA2, WA4, WA5)

LO5: Work in teams in a safe laboratory environment (WA6, WA9)

University Graduate Attributes

This course will provide students with an opportunity to develop the Graduate Attributes specified below:

Critically competent in a core academic discipline of their award

Students know and can critically evaluate and, where applicable, apply this knowledge to topics/issues within their majoring subject.

Employable, innovative and enterprising

Students will develop key skills and attributes sought by employers that can be used in a range of applications.


Subject to the approval of the Dean of Engineering and Forestry



Course Coordinator

Alan Wood


Jeremy Watson


Assessment Due Date Percentage 
Test 1 40%
Labs 20%
Final Exam 40%

Note that University regulations state: “A student seeking course credit must engage satisfactorily in all required course-related activity, work and assessment specified in the course outline”.

Textbooks / Resources

Recommended Reading

Carlson, A. Bruce , Gisser, David G; Electrical engineering : concepts and applications ; 2nd ed.; Addison-Wesley, 1990.

Chapman, Stephen J; Electric machinery fundamentals ; 5th ed; McGraw-Hill, 2012.

Nasar, S. A; Electric energy systems ; Prentice Hall, 1996.

Paul, Clayton R. , Nasar, S. A., Unnewehr, L. E; Introduction to electrical engineering ; 2nd ed.; McGraw-Hill, 1992.

Additional Course Outline Information

Mahi ā-Ākonga | Workload (expected distribution of student hours, note 15 points = 150 hours):

Contact Hours

Lectures: 36 hours
Tutorials: 10 hours
Workshops: 0 hours
Laboratories: 18 hours

Independent study

Review of lectures: 30 hours
Test and exam preparation: 32 hours
Assignments: 0 hours
Tutorial preparation: 18 hours
Laboratory calculations: 6 hours

Total 150

Indicative Fees

Domestic fee $1,030.00

International fee $5,750.00

* All fees are inclusive of NZ GST or any equivalent overseas tax, and do not include any programme level discount or additional course-related expenses.

For further information see Electrical and Computer Engineering .

All ENEL280 Occurrences

  • ENEL280-23S1 (C) Semester One 2023