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Handy earthing guidelines for true engineers
In the world of electrical engineering, ensuring the safety and reliability of power systems is paramount. A critical aspect of this is the proper implementation of earthing and bonding systems.......
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The Challenging Job of an Electrical Commissioning Engineer (Activities and...
This article aims to cover the activity of electrical commissioning. Such a task in its entirety would be immense. Commissioning can mean many things in different instances. This article aims... Read...
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Mechanical Check, Visual Inspection and Electrical Test of the Substation...
Substation earthing, or grounding, is essential for electrical safety and reliability in substations, which are critical nodes in the power distribution network. Proper earthing ensures safe...
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Mechanical Check, Visual Inspection and Electrical Test of the Substation...
At the beginning of my career in 2005, I had the opportunity to work at a 500kV substation with the National Transmission and Dispatch Company in Pakistan. During this time,... Read more The post...
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Dos and don’ts in site testing and commissioning distribution and...
The objective of the site inspection and test plan for testing and commissioning is to establish a comprehensive framework for conducting site testing and commissioning activities. It’s as simple...
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Mastering Distance Protection and Calculations Part 1: Advice and Serious...
In 2004, I embarked on an intensive nine-month training program in protection and instrumentation. This experience laid the foundation for my deep understanding of substation protection systems,...
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Mastering Distance Protection and Calculations Part 2: Never Mess Up...
The first part of this article series delved into the fundamentals of overcurrent protection, exploring the intricacies of relay coordination, the impact of source impedance, and the application of...
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The art of fault clearance in transmission systems: The logic of main and...
The protection and fault clearance requires great attention. In terms of fault clearance protection, we categorize the relays into main protection relays and backup protection relays. The main...
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Practical lesson in grounding and bonding of Gas-Insulated Switchgear (GIS)
With the exception of SF6-to-air bushings terminals, all active portions of gas-insulated switchgear (GIS) are contained within grounded enclosures, which means that they are not susceptible to...
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Failures, Testing and Protections Associated with Field Winding of a Generator
Generator field winding is an integral part of the generator set which is responsible for generating the magnetic field that induces the stator emf when the rotor rotates. Regulation of... Read more...
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What is a Load Tap Changer (LTC)?
We all experienced the ocasional flickering of the house lights during evenings. This usually indicates a load tap changer (LTC) adjustment, or a sign that the bulb is about to drop dead, but that’s...
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Bringing new life to an old Air-Insulated Substation (AIS)
An increasing number of substations globally are aging, while the construction of new ones is hindered by competitive limitations, rigorous environmental rules, and community acceptance issues....
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Synchronization and Reactive Power Control in Power System
In the world of power systems, synchronization and reactive power control are crucial to maintaining stability, efficiency, and reliability. Synchronizing various power sources, such as generators and...
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Synchro Check Schemes: Key Techniques and Considerations for Power System...
In power systems, synchronization is a fundamental requirement for connecting two sources of electric power, such as a generator to a grid or between segments of the power network. Ensuring that these...
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Your Black Friday in EEP 🎁 (20% + 30% OFF)
Hi there, hope things is good with you! It gives us great pleasure to present to you two Black Friday offers for electrical engineers: 20% off on the EEP Pro Membership plan, and 30% off on all video...
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Electrical thumb rules for staying safe and alive
How can one stay safe and alive while working in a power system? That’s a good question; however, there are a dozen answers. But let’s start with the first answer. The primary concerns about...
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Voltage transformer selection scheme in complex substations
In substations, voltage transformers (VTs) are used extensively for energy metering, protection relay operations, and synchronization checks. Their design includes multiple cores, each dedicated to...
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Once Again, the Entire Island of Cuba Falls Into Darkness as Power Grid...
HAVANA, December 4 – Cuba announced the initiation of power restoration following the collapse of the island’s electrical grid, marking the latest incident in a series of statewide blackouts that...
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What is Interlocking in substations, and what is it for?
Interlocking in substations is a critical aspect of power system protection and control, designed to ensure the safe and efficient operation of substation equipment. The primary objective of...
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Interlocking for 380kV GIS Substation: One-and-a-half breaker scheme analysis
This article delves into various aspects of the one-and-a-half breaker scheme applied to 380kV GIS switchgear, starting with its benefits and operational framework. It further examines the critical...
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