Negative Phase Sequence Relay: A negative phase sequence relay (or phase unbalance) is essentially provided for the protection of generators and motors against unbalanced loading that may arise due to…
Thyristor Control of 3 Phase Synchronous Motor: The synchronous motor is a constant speed motor and it develÂops torque only at synchronous speed which is directly proportional to supply frequency.…
Compact Fluorescent Lamp (CFL) - Working Principle, Types, Advantages and Disadvantages: A compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light, is a type…
Central Air Conditioning Systems Construction and Working: The central air conditioning systems serving the needs of large building or spaces are generally called the year-round air conditioning systems. They have…
Window Type Air Conditioner or Room Air Conditioner: Window type air conditioner used to condition the air of a particular space occupied by human beings i.e., office room, residential room…
Types of Air Conditioning Systems: There are three types of air conditioning systems, 1. Unitary Air Conditioning System: In this system, factory assembled air conditioners are installed in or adjacent…
Year Round Air Conditioning System Construction and Working: The year round air conditioning system has equipment for both the summer and winter air conditioning. The schematic arrangement of this system…
Winter Air Conditioning System Construction and Working: In this system, the air is heated, which is usually accompanied by humidification. The schematic arrangement of winter air conditioning system is shown…