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Monthly archives: January, 2019

ISOLATED AND EARTHED NEUTRAL SYSTEM

Author: Usman Karneh The function of an electrical system is to safely convey the power from the point of generation (source) to where it is required the various loads or equipment connected to it. The electrical source, like the load may either be a single phase (2-wire) or three phase (3 to 4- wire) system …

CHECKING PERFORMANCE OF MAIN ENGINE

In order to monitor the engine performance, we would need to measure the power output and fuel consumption of the engine. This will allow the performance of the engine to be measured against previous and even test bed readings. The staff would be instructed to the followings: Measure the power of the each cylinder by …

ISOLATION OF ONE UNIT OF MAIN ENGINE

One unit may need to be disabled when any of these conditions exist: Damage to a main component of the combustion chamber Damage to a crosshead or bottom end bearing on that cylinder The following sequence would be carried out for our vessels which use the MAN B&W slow speed engine: Stop engine, isolate systems …