Protection
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Difference Between Solid-State Relay and Electromechanical Relay
Difference Between Electromechanical and Solid-State Relay – SSR vs EMR Solid State Relay (SSR) and Electromechanical Relay (EMR) are both different types of electrical relays used in electronic circuits. Both of…
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4-Point Starter – Circuit and Working of Four-Point Starter
What is Four-Point Starter? Working and Circuit Diagram of 4-Point Starter What is a Four-Point Starter? The construction and working principle of a Four-Point starter is almost similar to the…
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3-Point Starter – Circuit and Working of Three-Point Starter
What is Three-Point Starter? Working and Circuit Diagram of 3-Point Starter What is a Three-Point Starter? A Three-Point starter consists of a tapped resistor which is sealed in a ventilated…
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Why are Salt and Charcoal Added in Earthing Pit for Grounding?
Why We Must Put Charcoal and Salt for Earthing and Grounding? For proper earthing and grounding, it is very important to maintain low resistance of grounding / earthing conductors by…
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What is an Isolation Transformer? – Its Construction, Working and Applications
Isolation Transformer – Construction, Working and Applications What is an Isolation Transformer? Transformers are electrical machines that are used to transfer one form of AC electrical energy to another form…
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Which One is More Dangerous? 50Hz or 60Hz in 120V/230V & Why?
Which Frequency Level is Safer? 60Hz or 50Hz in 230V & 120V Circuits? Here is another silly question because there is no significant difference between 50Hz and 60Hz. It would…
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Why Can’t a 12V Car Battery Electrocute You?
Why is a Car 12V Battery Harmless and No Shock While Touching the Terminals with Bare Hands? As we know that current is responsible to kill, not the voltage. But…
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Which One is More Dangerous? 120V or 230V and Why?
Which AC Voltage Level is Safer? 230V or 120V in Domestic and Residential Applications We all know that the domestic and residential voltage levels at the homes are 230V AC…
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Types of Faults in Electrical Power System
Different Types of Faults in Power Systems. Causes & Effects, Severity & Occurrence and Fault Protection Devices In modern days, we cannot imagine our daily life without electricity. Our homes, offices…
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Difference Between Porcelain and Glass Insulators
Key Differences Between Glass and Porcelain Insulators Both porcelain and glass insulators are widely used in power transmission and distribution to insulate the overhead line conductors from the support towers…
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