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Leading OHTL Contractors in KSA is a special post for Electrical, Civil, Mechanical, QC/QA, Computer, Telecom and Safety Engineers as well as for IT, Finance and management related people. We are providing you a list of Top and leading OHTL contractors in KSA with their official website, apply links along with the new 380kV or…
Introduction Twin Rotor Aerodynamic System (TRAS), is a laboratory model that is designed and used for control system experiments. Many research laboratories use TRAS model for control experiments. The main usage is for testing the effectiveness and performance of controllers, that are designed for helicopters and unmanned aerial systems. Figure below shows the sketch of…
This post is about the top power and distribution transformer manufacturers/suppliers in Pakistan. Many industries works in the power sector of Pakistan but here we will list the top HV rated power transformer manufacturers. For latest Jobs, Scholarships and Interesting Articles visit our Homepage. You can visit our YouTube Channel The World of Engineers for…
Autotransformers are among the most misunderstood yet critically important assets in modern power systems. While they appear deceptively simple at low voltages, at EHV levels (380–500 kV) they become system-defining components that directly influence fault levels, insulation coordination, grounding, and grid stability. This article provides a complete, utility-grade explanation of autotransformers, covering theory, mathematics, IEC…
In this post, we wil explain auxiliary transformer sizing, as per SEC/National Grid standards. Auxiliary transformers play a critical but often underestimated role in substation design. While power transformers transmit energy to the grid, auxiliary transformers ensure the substation itself stays alive—supplying power to protection, control, HVAC, lighting, motors, communication systems, and essential services.This is…
SF₆-free switchgear is no longer a future concept. Manufacturers have already begun mass-producing equipment without SF₆, and many installations worldwide are operating successfully today. In this post, we will discuss the following: The End of SF6? Why the Electrical Industry is Going SF6-Free For over 50 years, Sulfur Hexafluoride (SF6) has been the backbone of the electrical…
This is a safety assessment exam at Saudi Aramco part 3 and it covers MCQs 31-50. It is a practice test for all the interested safety profeccionals at Saudi Aramco, which is the world’s largest oil company and a major player in the energy sector based in Saudi Arabia. The primary purpose of this document is to test the…
In this post we are providing you an overview of Classification of Lightning Protection Systems (LPS). Lightning Protection Systems (LPS) are categorized into four classes (I, II, III, and IV). This classification is based on the level of lightning protection required. These classes are defined in IEC 62305 (Protection Against Lightning). The higher the class…
This is a safety assessment exam at Saudi Aramco part 2 and it covers MCQs 21-30. It is a practice test for all the interested safety profeccionals at Saudi Aramco, which is the world’s largest oil company and a major player in the energy sector based in Saudi Arabia. The primary purpose of this document is to test the…
This is a safety assessment exam and a practice test for all the interested safety profeccionals at Saudi Aramco, which is the world’s largest oil company and a major player in the energy sector based in Saudi Arabia. The primary purpose of this document is to test the your knowledge on critical safety protocols and…
Electrical safety is not just a guideline—it’s a lifesaver. Whether you’re a seasoned engineer, a technician, or a student, a solid understanding of safety principles is non-negotiable. One wrong move can have serious consequences. Think you know your stuff? We’ve created a quick 10-question quiz to test your knowledge on critical electrical safety topics. Challenge…
In modern power systems, maintaining voltage stability and reactive power balance is becoming more challenging — especially with the increasing share of renewable energy.Several technologies are used to provide reactive power support and grid stability. The most common ones are: Each of these solutions has its own advantages, depending on the type of system and…
If you’re preparing for the FPSC Assistant Executive Engineer (Electrical) MES (BPS-17) interview under the Ministry of Defence, this post is your ultimate guide. Here you’ll find authentic interview questions and answers shared by previously appeared candidates, covering both technical and general knowledge topics. From core electrical engineering concepts—like transmission systems, cable construction, and grounding—to…
