1) Investigate circuit protection for distribution and installation systems. In your investigation you should cover the following points:
- Description of the construction of over-current protection devices.
- The operating principles of circuit over-current protection devices.
- The operating principles of earth fault protection devices.
2) Investigate the design of a simple lighting system. In your investigation you should cover the following points:
- Description of the construction and associated circuitry of common lamp types.
- The operation of common lamp types.
- The principles of good lighting design
- Write a plan for a simple light scheme of your choice
3) Investigate energy management and tariffs. In your investigation you should cover the following points:
- The factors governing tariff structures.
- Method analysis for reducing energy consumption.
- Explain using an example(s) of your choice, how the cost of energy used in a system is determined.
4) Investigate the operation of a polyphase induction motor.In your investigation you should cover the following points:
- Description of types and construction of induction motors.
- The operating principles and methods of starting induction motors
- The methods of speed control of induction motors.