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Category 'Power Substation' - Technical Articles

Category “Power Substation” is dedicated to technical articles about a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. This also includes primary and secondary distribution, substation installation, testing and commissioning, erection and other important topics.

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Maintenance

Substation Maintenance Transition Toward Clever Data-driven Asset Management

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…...

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Feb 23, 2026 | By

Substation Maintenance Transition Toward Clever Data-driven Asset Management
Power Substation

Field practice in moving from an old SCADA-based to a modern substation automation system (SAS)

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,…...

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Feb 09, 2026 | By

Field practice in moving from an old SCADA-based to modern substation automation system (SAS)
Energy and Power

Facing “As Built” substation drawings that barely match construction drawings

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…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
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Jan 26, 2026 | By

Facing “As Built” substation drawings that barely match construction drawings
Power Substation

Installation Precautions for Substation Secondary Equipment

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…...

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Dec 29, 2025 | By

Installation Precautions for Substation Secondary Equipment
Energy and Power

The Rise of Harmonic Distortion in Modern Power Systems

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,…...

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Dec 15, 2025 | By

The Massive Rise of Harmonic Distortion in Power Systems
Energy and Power

A Practical Guide to the Operation of Ring Main Units

Ring Main Units are compact modules that are gas-insulated and sealed, comprising main switching devices and ancillary components to ensure continuous secondary power distribution. The precise arrangement and configuration of components always depend on the particular application and loading conditions…. Read more

Dec 08, 2025 | By

A Practical Guide to Operation of Ring Main Units
Power Substation

Five Construction Issues That Do Not Follow the Engineering Design (And Why They Matter)

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…...

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Dec 01, 2025 | By

Five Construction Issues That Do Not Follow the Engineering Design (And Why They Matter)
Power Substation

Five phenomena that could collapse the entire power system

Extreme contingencies typically indicate events that lead to the unavailability of numerous power system components or a cascading failure, such as the loss of transmission lines along a common right-of-way or faults with delayed clearance (e.g., a jammed breaker or protection…...

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Nov 17, 2025 | By

Five phenomena that could collapse the entire power system
Power Substation

Why do existing substations need to be automated

Let’s be honest, substation control and protection technology is advancing so fast that it’s amazing how quickly some of us become nostalgic for the past. That period used to be 20-30 years, but nowadays it’s about just 5-10 years. I’m not…...

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Nov 03, 2025 | By

Why do existing substations need to be automated


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