-
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…
-
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…
-
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…
-
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:…
-
Characteristics of High Voltage for Power Transmission Lines
Using high voltage for transmitting electricity has many important advantages. Characteristics of high voltage in power transmission lines include
-
Classification of Transmission Lines
1. Based on Voltage Levels: 2. Based on Current Type: 3. Based on Configuration: 4. Based on Length:
-
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…
-
Crawling in Three-Phase Induction Motors
Crawling is a phenomenon where a three phase induction motor runs at a speed significantly lower than its synchronous speed
-
Cogging in Three-Phase Induction Motor
Cogging is when a motor has trouble starting because the rotor gets stuck due to magnetic forces between the rotor…
-
Types of Three Phase Induction Motor
The main types of Three phase induction motor are Squirrel cage induction motor and Wound rotor or Slip ring induction…