Media Summary: Explain variable speed control, variable speed starting & step starting for large induction motors. Explain the principles and applications of power transformation. Perform transformer calculations. Given the load, voltage & power factor of a 3-phase generator, calculate the kVA & kW ratings of the generator.
3a2 Chapter 8 Objective 8 - Detailed Analysis & Overview
Explain variable speed control, variable speed starting & step starting for large induction motors. Explain the principles and applications of power transformation. Perform transformer calculations. Given the load, voltage & power factor of a 3-phase generator, calculate the kVA & kW ratings of the generator. Describe the design, applications & operating principles for large three-phase squirrel cage & wound rotor induction motors. Describe the design & operating principle of synchronous motors. Explain the creation of single phase & three phase alternating power; define cycle, frequency & phase relationships for A.C. sine ...
Explain parallel operation of alternators & state the requirements for synchronisation describing both automatic and manual. Define the following terms & explain their relationships in an A.C. circuit: capacitance, inductance, reactance, impedance, power ... Describe the stator & rotor designs, operation & applications for salient pole & cylindrical rotor alternators. 3rd Class Power Engineering, Boiler Control Systems. A look at boiler water level controls, shrink and swell. Describe water, air & hydrogen cooling systems for large generators.
