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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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Characteristics of High Voltage for Power Transmission Lines
Less Power Loss: High voltage means lower current, which reduces energy loss during transmission. Efficient Long-Distance Transmission: High voltage…
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Classification of Transmission Lines
1. Based on Voltage Levels: 2. Based on Current Type: 3. Based on Configuration: 4. Based on Length:
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Types of Transmission and Distribution Lines Based on their Primary and Secondary Roles
Primary Transmission Lines: Purpose: Primary transmission lines are the backbone of the electrical grid, responsible for carrying bulk electricity over…
