Renewable Energy Systems · SHS3 Engineering

Lesson notes

Learning Objectives

Indicator: 3.2.2.LI.2 - Explain the functions of the basic components of wind and bioenergy systems.

By the end of the lesson, learners can:

State the function of each basic component of a wind energy system (blades, rotor hub, nacelle, gearbox, generator, tower, yaw mechanism, anemometer, and controller).
State the function of each basic component of a bioenergy system (feedstock, digester, reactor, agitator, gas collection and storage system, and residue outlet).
Explain how the components of a wind system work together to convert kinetic energy from wind into electrical energy.
Explain how the components of a bioenergy system work together to convert organic waste into biogas and biofertiliser.
Compare the functions of components within wind and bioenergy systems, identifying similar roles (for example, the generator in a wind system and the gas collection system in a bioenergy system both deliver the final usable product).

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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.2 - Explain the functions of the basic components of wind and bioenergy systems.
Suggested placement: Semester 2, Week 2 (Week 22 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. 123

Exemplars (from the NaCCA curriculum)

Initiating Talk for Learning: In small groups, learners select a component of wind and bioenergy systems and discuss its functions.
Experiential Learning: Learners watch videos on the functions of the basic components of wind and bioenergy systems, as well as the installation of the two systems, and share observations.

Assessment (3.2.2.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 2 Skills of conceptual understanding; 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.