High Leg delta connection
Power is transmitted over long distances at high voltage. In order to supply domestic and residential applications, it needs to be stepped down to 120V or 230V single phase. This…
Voltage regulation calculator
Use the following calculator to calculate the Voltage regulation calculator to calculate voltage regulation precisely. Enter Vno-load and Vfull-load and click on calculate button. Voltage regulation calculator Enter No-Load Voltage…
Voltage regulation of transformers
Voltage regulation of transformers can be a little tricky to understand. Every piece of equipment is designed to operate at a particular voltage or voltage range. Therefore, it is a…
Transformer turns ratio calculator online
The primary function of a power transformer is to step up or step down voltage as per the requirement. The magnitude of voltage transformation in a transformer depends on its…
Transformer – Operation, construction and types
An electric transformer is a device used to step up and step down ac voltages. This article will help you understand their basic concepts, construction, the principle of operation, tests…
Transformer – FAQ | Interview Questions -Part 3
What is the purpose of transformer oil? Transformer oil functions as a coolant as well as insulating material. It also enables transformer protection during internal faults. It is chemically stable…
Transformer FAQ | Interview Questions -Part -2
How does a transformer work? A transformer is an electric machine that converts AC voltage from one level to another level with minimum power loss. It is based on the…
Why are transformers rated in KVA?
Transformers are rated in kVA or VA and not in kilowatts. While electric loads such as motors, lamps, heaters, etc. are always rated in kW, equipment used for power generation…
Transformer FAQ and Transformer Interview Questions
Here are the most frequently asked transformer interview questions and their answers What is a transformer? By definition, a transformer is a static electrical device that transforms electric energy from…
Transformer Action
Transformer action is a phenomenon by which EMF(Electro-motive force) is induced in from one coil to the other coil by electro magnetic induction. It is the basic principle of electric…