Renewable Energy Systems · SHS3 Engineering

Lesson notes

Learning Objectives

Indicator: 3.2.2.LI.4 - Operate and maintain simple wind and bioenergy systems.

By the end of the lesson, learners can:

Demonstrate the correct start-up, running, and shut-down procedures for a small-scale wind turbine system.
Perform routine maintenance checks on a simple bioenergy (biogas) system, including inspecting pipes, seals, and feedstock consistency.
Identify common faults in wind and bioenergy systems and apply appropriate corrective actions.
Follow safety protocols when operating and maintaining wind and bioenergy systems.
Keep basic operation and maintenance records for a wind or bioenergy installation using a simple log sheet.

This lesson builds directly on the design and installation work done in Weeks 1 to 3 (Indicators 3.2.2.LI.1, 3.2.2.LI.2, and 3.2.2.LI.3). Learners already know the components and how systems are assembled; this week shifts focus to what happens after installation, namely operating the systems safely and keeping them running.

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Curriculum details

Strand: Energy Systems (Strand 2)
Sub-strand: Renewable Energy Systems (2.2)
Content standard: 3.2.2.CS.1 - Demonstrate understanding of basic wind and bioenergy systems. 3.2.2.LO.1 Explain wind and bioenergy systems. 3.2.2.LO.2 Explain the architecture of wind and bioenergy systems.
Indicator: 3.2.2.LI.4 - Operate and maintain simple wind and bioenergy systems.
Suggested placement: Semester 2, Week 4 (Week 24 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 124

Exemplars (from the NaCCA curriculum)

Experiential Learning: Learners watch videos on the design and installation of the two systems. Learners share their observations with the class
Initiating Talk for Learning: The facilitator explains to learners a comprehensive approach to the basic design and installation of such systems and summarises the process using a flowchart.
Experiential Learning: Learners visit a facility of installed wind and bioenergy systems to interact with engineers/technicians about the installations.
Problem-based and Collaborative Learning: Learners are given group assignments to design wind and bioenergy systems for a facility. Learners present the project to the class for comments.

Assessment (3.2.2.AS.4). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning.

Teaching and Learning Resources:
- Projector
- Laptop
- Basic components of wind and bioenergy systems
- Videos on the functions of the basic components of wind and bioenergy systems
- Videos on the maintenance of wind and bioenergy systems
- Videos on the design and installation of wind and bioenergy systems
- Visit facilities with installed wind and bioenergy systems.