Relay | Construction and Working
Relay A relay is a protective device that basically detects the fault in a transmission line and it gives signal to the circuit breaker to initiate the operation so that…
Substation | Classification of Substations
Substation A substation is part of an electrical power system that is used to transform high-voltage electricity from power generators into lower-voltage electricity that is suitable for distribution to homes…
Stand Alone PV System | Schematics and its Components
Stand Alone PV System A standalone solar electrical system is one that uses only solar electric energy as its primary source of energy.There are many places on the planet where…
Difference Between AC and DC Welding
Welding Welding is joining two materials, like thermoplastics or metals, at a high temperature by melting the base material and the filler metal. AC Welding The term "AC welding" refers…
FACTS Controller | Types of FACTS Controller
FACTS FACTS stands for Flexible AC Transmission System. It is a power electronics-based system where static devices are used to enhance and increase the power transfer capability and controllability. These…
Advantages of Electric Heating
Electric heating has several advantages, which are as follows: Electric heating is a very efficient method of heating. An efficiency of 80 % can be obtained. Economical : The initial…
High Voltage Direct Current (HVDC) Transmission
HVDC Transmission HVDC stands for High Voltage Direct Current. We know that the generating plant produces AC power. This must be converted first to DC. A rectifier is used to…
Dielectric Heating or Capacitor Heating
Dielectric Heating In dielectric heating the energy of high-frequency electromagnetic field is being transferred to thermal energy. It happens due to the effect of alternating electromagnetic field to the polar molecules…
Induction Heating and its Types
Low Frequency Induction Heating We know when a coil is wound on a magnetic core and is given supply, magnetic field is produced. If this field changes its magnitude periodically,…
Methods of Heating
Heating Methods The conventional methods of producing heat by using firewood or coal has now been replaced by electrical heating methods. The electrical heating methods has several advantages over the…
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