Friday 21 September 2012

Marine Electrotechnology

1. Classification societies, statuary authorities, rules (M.M.D., I.R.S., Lloyds, det Norske Veritas  etc), IMO regulations, electrical power in  ships - old & new systems, advantages & disadvantages of both, ranges of voltages used, generation & distribution switchboard arrangement.



2. Types of electrical machines used on board the ships, constant speed pumps, variable speed pumps, winches, windlass, turning gear, types of starters, arrangement of speed control.


3. Various alarms systems & indicating devices.


4. Electrical steering machines - motors, starting arrangement, safety devices, type of pumps, etc.



5. Special codes for tankers & passenger ships, regarding electrical machines, power distribution, wiring, etc.



6. Maintenance schedule for electrical equipment, testing & periodic survey of equipment, electrical fires, causes, precautions & prevention.



7. Navigation lights, emergency switchboard, arrangement for shore supply, preferential tripping arrangement system, earthing - insulated earthing & resistance earth system.



8. Special requirements for fuses, types of fuses used in marine practice, insulation of wires.



9. Electric propulsion - types of systems, advantages & disadvantages, machine characteristic, protection & ventilation control arrangement, etc.



10. Impressed current system for anti-corrosion devices.



11. Semiconductor devices, D.C. amplifiers, magnetic amplifiers, rotating amplifiers, synchroscope, tacho-generators, transistorized logic control circuits.



12. Feedback for damping stability.


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