ETO

SYNCHRONIZING AND PARALLELING OPERATION OF ALTERNATORS Main generator units(steam turbine, diesel driven & shaft driven) have to be run in parallel to share a total load that surpass the capacity of a single machine specially when discharging cargo, loading...

All ships should under go drydock twice in 5 years, and time difference between two continues drydock cannot be more than 36 months.This comprise maintenance of the hull, propeller, rudder and other parts which...

Megger is the most portable insulation tester. It is used to measure very high resistance of the order of Mega ohm. Types of Megger This can be separated into mainly two categories:- Electronic Type (Battery Operated) 2. Manual Type (Hand...

Alternators used for parallel running are required to have a protective device which will release the breaker and prevent motoring if reversal of powering occurs. Such type of device would prevent damage to prime...

MSB to be installed on the raised platform. The location where the MSB is installed should have good ventilation, illumination & affected by minimum vibration. No water or the oil pipes should pass above the MSB. There...

The a.c. shaft generator is a synchronous machine which produces alternating current with a frequency that is dictated by variations in engine speed. At the full rated r.p.m., frequency may match with the electrical...

A circuit breaker in which the current carrying contacts work in the sulphur hexafluoride or SF6 gas is known as an SF6 circuit breaker. SF6 has magnificent insulating property. SF6 has high electro-negativity. That means it has...

An electric propulsion system for a ship is often simply described as a diesel electric or turbo electric system. It is characterised only by the type of prime mover, with no reference to the...

Q Explain with the aid of sketch, the working principle of IGBT(Insulated Gate Bipolar Transistor) in varying motor speed control This type of converter used for induction motor drives, uses transistors as switching devices.Unlike thyristors,...

MEO ORAL PRESENTATION AND PREPARATION GUIDE Whatever you’re thinking, is being thought or had already been thought somewhere else. What makes the difference is in your way of presenting it.                                                                                                              -Junaid Raza Contents: 1. Things to carry 2. Outfits 4....