If a fault occurs on a generator stator or its associated cables, the tripping of the generator circuit breaker alone is not sufficient Although the machine will be isolated from t... Read more
Lockout/tagout energy sources When electrical systems are de-energized to perform maintenance work safely, precautions must be taken to insure that circuits are not accidentally tu... Read more
Avoid working “live” Electrical testing must often be performed on energized circuits and equipment. But the safest technique for doing tasks such as repairing and replacing faulty... Read more
Of the total electrical energy generated worldwide, about 58% is used by all motors combined, about 7% for lighting, and the remaining 35% for heating and other uses.Major types of... Read more
Electronic “hardware” consists of passive and active components which in an intelligent way are coupled together in order to perform a certain task. The basic elements of electroni... Read more
A material must contain charged particles to be able to conduct electric current. In solids, the current is carried by electrons. Copper, lead, aluminium, iron and carbon are some... Read more
Electrical symbols are used to represent various electrical and electronic devices in a schematic diagram of an electrical or electronic circuit. Read more
Like the old chaps Pascal, Bramah, Reynold and other physicists found and defined natural laws and principles ruling for hydraulics, also electronics has its discoverers who have d... Read more
The aim of the ship load flow and short circuit calculations is to determine whether the thermal and mechanical stresses on equipment, such as generators, cables, switchboards, and... Read more
The majority of new buildings and all commercial vessels have an AC power generation plant with AC distribution. The generators are synchronous machines, with a magnetizing winding... Read more
