Substation schematics have changed, a lot. Modern digital substations now include schematics that never existed in old substations. Actually, it’s a totally different philosophy and this is not easy for “old engineers” to adopt and switch to new logic and... Read more

The post Biggest Mistakes in Analyzing Modern Substation Schematics appeared first on EEP - Electrical Engineering Portal.

The transition from conventional electrical substations to fully digital substations represents one of the most profound technological shifts in the power delivery industry. By replacing miles of copper wiring with fiber optic cables and utilizing the IEC 61850 standard for... Read more

The post The Curse of a Digital Substation: So Advanced and Fragile appeared first on EEP - Electrical Engineering Portal.

In power systems, reliability is not achieved by design alone. It is established through a structured process of verification, validation, inspection, and testing carried out at different stages of the equipment lifecycle. Whether the equipment is a power transformer, switchgear... Read more

The post Substation Equipment: From Type Testing to Factory and Site Acceptance Testing (FAT, SAT) appeared first on EEP - Electrical Engineering Portal.

Energy resources are the backbone of every country in the world. As we are currently witnessing the beginning of the world’s biggest energy crisis in the last 80 years, I believe that every country is now reviewing its energy capacities... Read more

The post Connecting a Nuclear Power Plant (NPP) to the Grid: Design Issues and Warnings appeared first on EEP - Electrical Engineering Portal.

This article explores the complete spectrum of substation maintenance philosophies from Corrective and Preventive Maintenance to Predictive, Condition-Based, and ultimately Risk-Based Maintenance (RBM). It explains how each approach evolved, where it fits within modern substations, and how utilities can transition... Read more

The post Substation Maintenance Transition Toward Clever Data-driven Asset Management appeared first on EEP - Electrical Engineering Portal.

This article gives a systematic and pragmatic look into Substation Automation Systems, dealing with the constraints of traditional (now old) SCADA-based substations and advancing to modern SAS systems. We’ll discuss the strong arguments and field practice in moving from hardwired automation,... Read more

The post Field practice in moving from an old SCADA-based to a modern substation automation system (SAS) appeared first on EEP - Electrical Engineering Portal.

Have you experienced “As Built” substation drawings that significantly differ from the original documents provided by the engineer for construction? Diverse factors cause these modifications in the field. However, in almost all instances, modifications to the design in the field... Read more

The post Facing “As Built” substation drawings that barely match construction drawings appeared first on EEP - Electrical Engineering Portal.

The main goal in the industrial world is to prevent major disruptions in controlled processes, but protecting the information system and the data it contains is also an important concern. As a result, successful attacks can have catastrophic implications. Regardless... Read more

The post Cybersecurity of the Eight Most Used Industrial Protocols appeared first on EEP - Electrical Engineering Portal.

The design of the high-voltage substation must include consideration for the safe operation and maintenance of the secondary equipment. The substation secondary systems are those systems which provide the functionality necessary to ensure safety of personnel engaged in operation of... Read more

The post Practical Precautions for Substation Secondary Equipment appeared first on EEP - Electrical Engineering Portal.

Modern power systems are undergoing a profound transformation. The rise of harmonic distortion is becoming a huge problem. The traditional grid once dominated by large synchronous generators and linear loads—has evolved into a complex, inverter-rich network driven by renewable generation,... Read more

The post The Rise of Harmonic Distortion in Modern Power Systems appeared first on EEP - Electrical Engineering Portal.

High-voltage substations—especially modern AIS/GIS installations up to 400 kV—are engineered with extreme precision. Every cable, conductor, grounding conductor, insulator, and steel structure is designed according to exact assumptions: soil models, thermal limits, mechanical forces, environmental conditions, lightning protection angles, and... Read more

The post Five Construction Issues That Do Not Follow the Engineering Design (And Why They Matter) appeared first on EEP - Electrical Engineering Portal.