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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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