Electrical and Electronics 10, Electrical 20, 30, Electronics 20, A30, B30
ELEC17A
Module 17A: Transformers (Core)
Outcome
Investigate the purpose and operation of transformers.
Indicators
| (a) | Demonstrate safe practices when working with transformers. |
| (b) | Explain the purpose of transformers. |
| (c) | Explain the operating principles of transformers. |
| (d) | Identify different types (e.g., step-up, step-down, isolation and autotransformer) of transformers. |
| (e) | Give examples where various types of transformers are used. |
| (f) | Identify the different markings on a transformer that indicate primary and secondary windings, size (KVA) and voltages. |
| (g) | Explain how the turns ratio (Tr=Vp/Vs=Np/Ns) affects the primary and secondary voltage and current. |
| (h) | Connect a transformer, such as a simple doorbell, in a circuit. |
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