The role of the Emergency generator on the ship is to provide backup power for the emergency loads in case the main generator fails or blackout condition. It is part of the larger emergency machinery and systems installed on large…
Everything that is ever built or created has a self life; and it takes proper care and maintenance to prolong their life span. An electrical motor with its five major parts; rotor, stator, winding, terminal box and bearings require overhaul…
When two or more generators with same frequency, voltage and phase difference are connected to the bus-bar; such that it increase their overall capacity, ease of maintenance, and active load management. Then they are called to be connected in parallel;…
You must have heard the term relay before; Right? For those who don’t; An electrical or electromechanical relay is a device most used in our daily lives. It’s everywhere; in our homes, washing machine, car, air conditioner, aircraft, fridge, microwave,…
One of the most important questions of all time. What is the role of the capacitor in a celling fan is the most repeated question in any competitive environment. It is being asked numerous times during company placement, interview, or…
The turbine accounts for almost all of the power generation, all turbocharged engines, pumps, and aircraft engines. But have you thought what the turbine is; or what is the difference between an Impulse and a Reaction Turbine? Today we will…
Excitation / Excitation voltage or more precisely excitation system of a generator ( A.C ) is one of the leading sphere of doubts and questions asked in interviews. While these big machineries work on the Faraday’s law of electromagnetic induction.…
PMMC stands for ‘Permanent magnet moving coil’. It is one of the simple and most used instruments on board with sophisticated names. They are used on board to assist in regular maintenance of electrical equipment or when precise measurements are…