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Types of Transmission Line Towers – Detailed Guide Based on Deviation Angles and Voltage Levels

Introduction Transmission line towers are critical components of electrical power transmission systems. Their primary function is to support overhead conductors while maintaining required electrical clearances, mechanical strength, and system reliability. The selection of an appropriate transmission tower type depends largely on terrain conditions, line deviation angle, voltage level, span length, and mechanical loading. Utilities such […]

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F_TR3 Phase Transposition Tower for 380 kV Overhead Transmission Lines (OHTL)

Abstract Extra High Voltage (EHV) 380 kV Overhead Transmission Lines (OHTL) form the backbone of modern power transmission systems, especially in the Kingdom of Saudi Arabia, where long transmission corridors and high power demand dominate network planning. One of the most critical operational challenges in long EHV OHTL is phase electrical unbalance, caused by the

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Scope of Works in a High-Voltage Transmission Line Project- A to Z Info

A high-voltage transmission line project involves a coordinated sequence of activities that transform engineering designs into a fully operational power transmission system. The scope of works defines all tasks required to execute the project safely, efficiently, and in compliance with applicable technical standards. These works generally include civil construction, transmission line erection, communication system installation,

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Deep Foundations for OHTL Towers as per Saudi Electricity Company (SEC) Standards

Introduction Deep foundations, particularly pile foundations, play a critical role in the structural integrity and long-term performance of Overhead Transmission Line (OHTL) towers. In projects executed under the Saudi Electricity Company (SEC), deep foundations are widely adopted due to challenging geotechnical conditions such as weak surface soils, high groundwater levels, and severe uplift forces acting

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Communication Works in High Voltage Substation Projects

1. Introduction In modern high-voltage transmission and substation projects, communication systems are a critical part of power system operation. They support: To achieve reliable communication over long distances and within substations, optical fiber communication is widely used. The most common arrangement includes: 2. Overall Communication System Concept The communication network in a power transmission project

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Safety Culture in Saudi Arabia: A Comprehensive Study and Practical Recommendations

Introduction: Why Safety Culture Matters in Saudi Arabia Saudi Arabia is undergoing one of the most ambitious economic and industrial transformations in its history. Driven by Vision 2030, the Kingdom is rapidly diversifying beyond oil and gas into construction, manufacturing, infrastructure, renewable energy, and advanced industries. With this unprecedented growth comes a critical responsibility: protecting

Safety Culture in Saudi Arabia: A Comprehensive Study and Practical Recommendations Read More »

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Shallow Foundations for Overhead Transmission Line Towers (Pad & Chimney Foundations)

Abstract Shallow foundations are one of the most commonly adopted foundation systems for Overhead Transmission Line (OHTL) towers, particularly in areas where soil bearing capacity is adequate and uplift forces are within manageable limits. Among shallow foundations, Pad & Chimney Foundations are widely used for suspension and light angle towers due to their simplicity, cost-effectiveness,

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