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EFFECT OF DIFFERENT SHORE CONNECTION FREQUENCY OR VOLTAGE
The power supply from ashore may have a different frequency and I or voltage to that of the ship’s system. A higher frequency will cause motors to run faster, be […]
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SHORE SUPPLY CONNECTION BOX
SHORE SUPPLY IS USED MAINLY DURING DRYDOCK WHEN GENERATORS HAVE TO BE STOPPED FOR OVERHAULING. NOWADAYS MANY PORTS ARE SUPPLING SHORE CONNECTION SO THAT EMISSION CAN BE CONTROLLED IN PORTS. […]
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INTRINSICALLY SAFE EQUIPMENT
A circuit or part of a circuit is intrinsically-safe when any spark or any thermal effect produced in test conditions is incapable of causing ignition of the prescribed gas atmosphere. […]
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EXPLOSION PROOF EQUIPMENT
It is an equipment: ‘ (a) having an enclosure capable of : (i) withstanding an explosion within it of a specified flammable gas or vapor, and (ii) preventing the ignition […]
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POWER FACTOR AND ITS SIGNIFICANCE
POWER FACTOR :- IT IS THE PHASE ANGLE BETWEEN THE VOLTAGE AND THE CURRENT. IN A PURELY RESISTIVE CIRCUIT THE VOLTAGE AND CURRENT WAVEFORM ARE IN PHASE WITH ONE ANOTHER […]
