News

Oct 27 2025

What Is a Triplex Transformer? Definition, Working Principle, Advantages, and Applications

For engineers, contractors, and facility managers, understanding the advantages, limitations, and applications of triplex transformers is essential to making the right decision for reliable and efficient power distribution.

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Oct 22 2025

What is the difference between earth, ground, and guard wire?

In this article, we’ll break down the differences, explore real-life applications, and highlight why understanding these concepts matters for both engineers and everyday users.

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Oct 20 2025

75 kVA 3 Phase Transformer Specifications, Price & Applications | Complete Buying Guide

This guide provides a comprehensive overview of 75 kVA three-phase transformers, including their specifications, pricing factors, and real-world applications.

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Oct 17 2025

AAC, AAAC, ACSR Bare Conductor Cable Structure & Properties

Bare conductor cables are essential components of modern transmission lines, ensuring the long-distance transmission of electricity. AAC cables (all-aluminum conductor), AAAC cables (all-aluminum alloy conductor), and ACSR cables (aluminum stranded steel conductor) are widely used due to their unique structural characteristics and mechanical advantages.

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Oct 15 2025

Inside a Power Pole Transformer: Components, Functions, and Design

This article explores the internal structure, components, and functions of a power line transformer, focusing on the engineering principles behind its design. By examining its core and windings, electrical insulation, and the role of insulating oil, we can better appreciate how these devices ensure reliable delivery of electric energy to millions of users.

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Oct 13 2025

Understanding Transformer Cooling Systems: Oil-Cooled vs. Air-Cooled Solutions

This article explores the power transformer cooling system, with a focus on oil-cooled and air-cooled solutions. We will examine their principles, cooling media, classifications, and practical applications.

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Oct 10 2025

What is a Power Transformer? Definition, Types, and Working Explained

In modern electrical power systems, the reliable transfer of energy is crucial for industries, households, and infrastructure. One of the most important devices enabling this process is the power transformer. Transformers are designed to transfer electrical energy between circuits through electromagnetic induction, making them essential for power transmission and distribution of electrical energy.

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Oct 06 2025

The Structure and Design of Oil Immersed Transformers

This article introduces the structural design, engineering principles, and evolving international standards that guide the development of oil immersed distribution transformers and oil immersed power transformers in contemporary power systems.

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Oct 03 2025

Complete Guide to AAC, AAAC, ACSR, and ACAR Conductors – Types, Features, and Applications

Overhead power lines form the backbone of modern electrical grids, ensuring efficient transmission of electricity from power plants to end users. A critical component of these systems is the overhead conductor, which must deliver high performance, durability, and reliability under diverse environmental conditions.

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Oct 01 2025

Dry-Type Transformers: From Basics to Technical Specifications

A dry-type transformer is an electrical transformer that uses solid insulation materials instead of oil or liquid for cooling and insulation. Unlike oil-immersed transformers, dry-type units are air-cooled and operate without flammable liquids, making them inherently safer and environmentally friendly.

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Sep 29 2025

Step Up Transformer vs Step-Down Transformer: What’s the Difference and Which One Do You Need?

Transformers are ubiquitous in everyday life and production, and are essential components of modern power systems, ensuring efficient power distribution and voltage regulation. The most common types of transformers are step-up transformers and step-down transformers. While both are voltage transformers that change voltage levels, their functions, structures, and applications are quite different.

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Sep 26 2025

What is the Difference Between a Pole Mounted and a Pad Mounted Transformer?

In modern electrical power distribution networks, transformers are designed to step down high transmission voltages to levels suitable for residential, commercial, or industrial use. Two commonly used types of transformers in distribution systems are the pole mounted transformer and the pad mounted transformer. Although both serve the same fundamental purpose—voltage transformation—their design, installation, and operational environments differ significantly.

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Sep 24 2025

What is The Transformer Tap Changer?

In modern power systems, transformer tap changers are critical for maintaining voltage stability in distribution networks, ensuring reliability and protecting equipment. Tap changers are used in voltage-regulating and power transformers to adjust the transformer's turns ratio, ensuring consistent voltage levels under varying load conditions.

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Sep 17 2025

What is a Pole Mounted Transformer? An In-Depth Explanation

As an engineer working in the power distribution network for many years, I've noticed in my daily work that pole-mounted transformers are among the most overlooked critical transformers. These compact devices, often called pole-mounted transformers or power pole transformers, are mounted directly on utility poles.

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Sep 15 2025

Differences Between Substation Transformers and Oil Immersed Transformers

Learn the key differences between substation transformers and oil immersed transformers. An engineer explains transformer design, quality control, and applications in the distribution network.

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