Three-Phase Transformer Connections: Y–Y, Δ–Δ, Y–Δ, Δ–Y, V–V, T-T
Three-phase transformers are essential in power transmission and distribution systems. They are designed to step up or step down voltages … Continue Reading
Transformer
Delta-Delta (Δ–Δ) Transformer Connection: Advantages, Working, and Application
The Delta-Delta (Δ–Δ) connection is a widely adopted transformer configuration used in large, low-voltage transformer systems. It is especially economical … Continue Reading
Advantages and Disadvantages of Transformers
Transformers are static electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction. They play a … Continue Reading
Guide To Becoming An Expert In Partial Discharge Testing
In electrical engineering, proficiency in partial discharge (PD) testing is essential. This technique is vital for assessing the condition and … Continue Reading
Current Limiting Reactor or Series Reactor
A current limiting reactor, also known as a series reactor, is an inductive coil with a large inductive reactance compared … Continue Reading
Percentage Reactance in Power System (Transformer, Generator or Reactor)
Percentage reactance of power system elements such as generator, transformer and reactor are extensively used in short circuit calculation when … Continue Reading
Transformer Windings: Types and Design
Transformer windings are one of the most important parts of a transformer. There are different types of transformer windings available … Continue Reading
Three-Phase Transformer – Basics and Connection Methods
Three-phase transformers are used in three-phase circuits to step up and step down the voltage according to the needs in … Continue Reading
Open Delta (V-V) Connection of Transformers
Open Delta Connection is a method of transformer connection used to transform three-phase power using two single-phase transformers. In this … Continue Reading
How to Test Percentage Impedance of Transformer?
This article covers transformer impedance testing, one of the acceptances tests for new transformers, and a method for routine testing. … Continue Reading