1 investigate circuit protection for distribution and

Question

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.

Answer 1

1) Examine circuit protection for distribution and installation systems. In your examination you must cover the given points: a) Illustrate the construction of over-current protection devices. b) The operating theories of circuit over-current protection devices. c) The operating principles of earth fault protection devices. 2) Investigate the design of a simple lighting system. In your investigation you must cover the given points: a) Explanation of the construction and related circuitry of common lamp kinds. b) Operation of common lamp kinds. c) Principles of good lighting design. d) Prepare a plan for a simple light scheme of your preference. 3) Examine energy management and tariffs. In your examination you must cover the given points: a) The factors governing tariff structures. b) Method assessment for reducing the energy consumption. c) Describe by using an illustration(s) of your choice illustrates how the cost of energy used in a system is determined.