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Basic Electrical Formulas
V= Electric Potential, Q= Charge, W= Electric potential energy I = Current, q = Charge, t = time, n =…
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Different Values in Electrical Engineering
Charge on electron (e) = – 1.6 x 10-19 C Mass of an electron = 9.11 x 10-31 kg Diameter of an…
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Protection against Traveling Waves
Travelling waves in power systems are high-frequency transient voltage or current surges that propagate along transmission lines and can cause…
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Understanding the Surge Absorber
Surge absorbers are designed to absorb and dissipate the energy of the surge within the device itself, thereby protecting the…
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Different Types of Lightning Arresters
Types of lightning arresters : 1. Rod gap arrester 2. Horn gap arrester 3. Multigap arrester 4. Expulsion type lightning…
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How to Protect Transmission Lines and Substations from Direct Strokes:
Lightning Arrestors or Surge diverters: Surge diverters or Lightning arrestors function by providing a low-impedance path to ground for transient…
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Lighting phenomena & overvoltage due to lightning
What are lighting phenomena? Lighting phenomena refer to the various occurrences related to lightning, which is a sudden electrostatic…
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Understanding the Causes of Overvoltage in Electrical Systems
A. Internal Causes:- Switching Surges: Switching surges occur when there is a sudden change in the electrical circuit, such as…
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Kelvin's Law for Economic Choice of Conductor Size
Kelvin’s Law: The most economical size of a conductor for a transmission line is one where the annual interest and…
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Single-phase Half Bridge Inverter
The single-phase half-bridge inverter converts DC power to AC power using two switches and two diodes. Components 1. Power Switches:…
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