Earth Leakage Relay (ELR)

An earth leakage can represent a danger to life or property if it is not located and mitigated. Studies have revealed that at least 500 people experience electrocution every year…

Top 3 causes behind a circuit breaker trip | MCB Trip

Circuit breakers are employed to automatically switch off a circuit or a load whenever any abnormalities in current flow are detected. This functionality of the circuit breakers is known as…

K-factor rated transformers

K-factor rated transformers are capable of withstanding the heating effects caused by harmonic load currents. They are specially designed for non-linear harmonics generating loads. K-factor transformers are also known as…

What is magnetization current in a transformer?

A certain amount of current is drawn by a transformer from the source connected to it primary even when no load is connected to its secondary. A part of this…

Magnetization inrush current in a transformer

Transformer inrush current or magnetization inrush current is a transient input current drawn by a transformer during its energization. Depending on several factors, the magnitude of the magnetization inrush current…

Power consumption & Energy usage of CFL lamps

CFL lamps or compact fluorescent lights are made to make lighting more energy efficient. It started replacing the incandescent lights. It was invented by Edward Hammer in 1980 who was…

Power consumption and energy usage of cooker hood

A cooker hood is essential to keep your kitchen odour free and smoke-free. It sucks the air from the kitchen and either sent it outside or remove the smell from…

Power consumption and energy usage of rice cooker and Steamer

Rice cooker or rice steamer makes it easy to cook rice. It is an automated device that cooks rice using electricity. Modern electric rice cookers are equipped with sensors and…

Power consumption of Xbox and PlayStation

Xbox and PlayStation are very popular gaming consoles. The Xbox series was developed by Microsoft and the PlayStation was developed by Sony. Here you can calculate the power consumed by…

Power consumption and energy usage of induction cooktops

Induction cooktops use the principle of electromagnetic induction to cook food instead of thermal conduction. You can calculate the energy usage of induction cooktops here. The power consumption of induction…

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