NG2S857 - Power, Machines and Control 01 Sep 2023 - 31 Aug 2028 | Version 4
Associated Module Information
| Module Code: | NG2S857 | ||
|---|---|---|---|
| Module Title: | Power, Machines and Control | ||
| Faculty: | Faculty of Computing, Engineering and Science | ||
| Faculty Group: | Information and Electronics | ||
| Faculty Sub Group: | Electronics | ||
| Module Leader: | Eurfyl Davies | ||
| Module Team: | Alexandre Oleon | ||
| First Intended Intake: | MAR 2017 | Final Year of Intake: | |
| Date Closed: | |||
| Credit Value: | 20 | Credit Level: | 5 |
| Language: | English | ||
| Percentage of Module Taught in Welsh: | 0 | ||
| Equivalent Module: | |||
| HECOS codes: | 100163 - electrical and electronic engineering | ||
| HECOS Code Weighting: | 100 | ||
Document Version Information
| Version | 4 |
|---|---|
| Valid From | 01 Sep 2023 |
| Valid To | 31 Aug 2028 |
Module Aims
To provide an understanding of the essential principles and theory for electrical machines.
To develop an ability to analyse electrical machines and basic power systems.
To introduce instrumentation and control systems, with focus on mathematical modelling and system response of control system architectures.
Content Summary
Power & Machines:
Power Systems - Power system energy sources including renewables. The grid system and system components. The one-line diagram. Three-phase short and medium length transmission line models and calculations. Single-phase and three-phase radial distributor and ring distributor calculations. Power factor improvement theory and calculations.
Single-Phase Power Transformers - Construction. Principles of operation. Derivation of emf equation. Losses. Models and calculations for current, regulation and efficiency. Three-phase transformers - Overview of construction and operation.
D.C. Motors and Generators - Construction. Principles of operation. Models and operating characteristics of separately excited, series, shunt connected motors and generators. Calculations for machine torque, speed, losses and efficiency.
Three-Phase Induction Motors - Construction of wound rotor and cage rotor types. Principles of operation, including electromagnetic theory. Motor models and calculations for current and torque. Torque-speed characteristics. Speed and efficiency calculations.
Power Semiconductor Devices - Basic operating and control characteristics of devices (power diodes, power transistors, thyristors, triac). Introduction to switching losses.
Introduction to Power Electronic Converters - Analysis of uncontrolled and controlled single-phase and three-phase rectifiers, single-phase and three-phase inverters, and d.c. choppers.
Motor Drives - Introduction to the application of power electronic converters to motors for speed and torque control purposes.
Instrumentation & Control Systems:
Transducers & Sensors, actuators
a) Characteristics of transducers and sensors such as linearity, sensitivity, drift, hysteresis and over-load protection.
b) Evaluation of the selection of different types of sensors for given applications such as measurement of speed, displacement, temperature, pressure, level and flow.
c) Evaluation of the selection of different types of actuators, including hydraulic, pneumatic, electrical, mechanical actuators.
Mathematical modelling of dynamic systems using transfer functions of linear time invariant systems.
a) Structure of a Transfer Function
b) Properties of first and second order transfer functions: transient response, steady state response and test signals.
Introduction to control strategies, including Open Loop, Closed Loop, Proportional and P+I Control.
Learning and Teaching Methods
| Activity Type | Hours |
|---|---|
| Lecture | 48 |
| Practical classes and workshops | 26 |
| Independent Study | 84 |
| Directed Study | 36 |
| Formative Assessment - Independent | 6 |
| Total Hours Selected | 200 |
Learning Outcomes
| # | Learning Outcome |
|---|---|
| LO1 | Explain and illustrate the operating principles of electrical machines and basic components of power systems, using appropriate models and mathematical methods. |
| LO2 | Analyse control systems using mathematical techniques and/or industrial software tools. |
Module Requisites
N/A
Assessment Criteria
| Assessment Category | Assessment Type | Description | Duration | Word Count | Weight (%) | Best of? | Pass Mark |
|---|---|---|---|---|---|---|---|
| Synchronous Onsite Practical Assessment | Practical Coursework (Onsite) 1 | Exercises undertaken in laboratory and using specialised software aimed at assessing the application of knowledge, analytical, problem-solving or evaluative skills. | 0 | 2000 | 50 | No | 40 |
| Synchronous Onsite Assessment (Exam) | Onsite Closed Book Examination 1 | A test of knowledge and understanding delivered onsite and time constrained. | 120 | N/A | 50 | No | 40 |
Assessment Matrix
| Assessment Type | Learning Outcomes | ||
|---|---|---|---|
| LO1 | LO2 | ||
| Practical Coursework (Onsite) 1 | ✔ | ✔ | |
| Onsite Closed Book Examination 1 | ✔ | ✔ | |