Basic Electrical

What is Kit Kat Fuse? Definition, Working, Construction, Diagram, Types & Applications

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A Kit Kat fuse is a simple, reusable fuse primarily used for low and medium-voltage applications. It consists of a porcelain base and a fuse carrier that holds the fuse element. Kit Kat fuses are commonly used in domestic, industrial, and agricultural electrical installations for overcurrent protection. Figure 1: Kit Kat Fuse. Parts of Kit […]

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Vacuum Circuit Breaker – Definition, Construction, Working, Diagram, Types & Applications

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A Vacuum Circuit Breaker (VCB) is a type of electrical circuit breaker that interrupts current flow and isolates a circuit during faults or maintenance by extinguishing the arc in a vacuum. The vacuum serves as the arc-extinguishing medium, offering superior insulation and rapid arc suppression. VCBs are widely used in medium- and high-voltage power systems

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Buchholz Relay – Definition, Working Principle, Diagram, Construction, Advantages & Applications

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A Buchholz Relay is a gas-actuated safety device used in oil-immersed transformers to detect and protect against internal faults. It operates on the principle of gas accumulation or sudden oil flow caused by electrical faults inside the transformer. It is typically installed in the pipeline connecting the transformer’s main tank and the conservator.

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Lightning Arrester – Definition, Working, Diagram, Types & Location of Lightning Arrester

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A lightning arrester is a device that provides a low-impedance path to ground for lightning or transient overvoltages, effectively protecting the electrical system from high-voltage surges. It operates by limiting the voltage across its terminals to a safe value and shunting the excess energy to the ground. What is a Lightning Arrester? A lightning arrester,

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What is an Energy Meter? Working, Diagram, Construction, Advantages, Types & Applications

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An Energy Meter, also known as a watt-hour meter, is an electrical device used to measure the amount of electrical energy consumed by a residence, business, or electrically-powered device. The energy is typically measured in kilowatt-hours (kWh), which is the standard billing unit for energy consumption.

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What is Electrolysis? Definition, Process, Diagram & Law

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Metallic conductors carry an electric current without any change in their physical and chemical state, except, perhaps, a rise in temperature. However, there are some liquids which can conduct an electric current, but the passage of current through them is always accompanied by a chemical change. Such liquids are known as electrolytes. Various chemical compounds

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Transformer on Load – Circuit Diagram & Phasor Diagram

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When the transformer is on load, the secondary winding is connected with load as in figure (1) and current I2 is flowing through load. Operation of Transformer On load Figure (1) shows a transformer with a load connected across the secondary winding. The load current I2 flowing through the secondary turns sets up its own

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