This article covers transformer impedance testing, one of the acceptances tests for new transformers, and a method for routine testing. The results of this test should compare directly to the manufacturer's datasheet. Related: Percentage Impedance … Continue Reading about How to Test Percentage Impedance of Transformer?
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Aeolian Vibration of Transmission Conductors
What is Aeolian Vibration? Aeolian vibration is a type of motion caused by wind on conductors and overhead shield wires of transmission and distribution lines. Aeolian vibration is characterised by low amplitude (conductor diameter) high frequency (5 to 150 Hz). Aeolian vibration of … Continue Reading about Aeolian Vibration of Transmission Conductors
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Electrical Substation: Equipment, Types, Components & Functions
An electrical substation is an installation with electrical equipment capable of interrupting or establishing electrical circuits and changing the … Continue Reading about Electrical Substation: Equipment, Types, Components & Functions
Transformer Bushing Types : RIP Bushing vs OIP Bushing
Transformer bushing types are categorized based on their material, manufacturing, and design mainly into the following types: OIP … Continue Reading about Transformer Bushing Types : RIP Bushing vs OIP Bushing
GFCI (Ground Fault Circuit Interrupter) – Working, Types, Installing and Troubleshooting
A ground fault circuit interrupter, called a GFCI or GFI, is an inexpensive electrical switchgear device that can either be installed in your … Continue Reading about GFCI (Ground Fault Circuit Interrupter) – Working, Types, Installing and Troubleshooting
Auto Reclosing of Power Lines and Types of Faults
The goal of the auto reclosing in power lines is to restore the line to service as quickly as possible after a temporary fault in the transmission … Continue Reading about Auto Reclosing of Power Lines and Types of Faults
Square D QO Circuit Breakers
QO stands for Qwik-Open. Square D QO Circuit Breakers are fastest tripping circuit breakers at 1/60th of a second. QO™ Circuit Breakers provide the … Continue Reading about Square D QO Circuit Breakers
Bundled Conductors in Transmission Lines
The combination of more than one conductor per phase in parallel suitably spaced from each other used in an overhead transmission line is defined as a … Continue Reading about Bundled Conductors in Transmission Lines
Measurement of Three Phase Power | Wattmeter Methods
This article explains the measurement of three-phase power in star connected or delta connecter load using the wattmeter methods. The power in … Continue Reading about Measurement of Three Phase Power | Wattmeter Methods
Types of Underground Cables
In practice, different types of underground cables are generally required to deliver 3-phase power. For the purpose, either three-core cable or three … Continue Reading about Types of Underground Cables