Electrical Substations

Substation Protection

Substation Architecture Protection

Solving common mistakes in communications cabling for electrical utilities BY FRANK KODITEK, Belden Inc. In the energy industry, there are numerous types of cables in use for a wide variety of applications, from transporting high-voltage current for miles to providing power and data connectivity...

Substation Technologies

The Role of Digital Twins in Substation Management and Grid Optimization

In recent years, digital twin technology has emerged as a game-changer in various industries, and the power sector is no exception. Digital twins are transforming how substations are managed by creating virtual replicas that provide insights into performance and potential issues. A digital...

Breakers & Relays

Gas-insulated Switchgear Options for Substations

Switching gears in the underground BY PETR RUDENKO AND PETER GLAUBITZ, Siemens As demand for energy continues to rise, an increased number of locations around the world require suitable energy solutions that fulfill unique demands. Cities are growing, and so is the demand for power. Urban areas...

Substation Testing & Maintenance

Cybersecurity in Modern Substations: Protecting the Grid from Emerging Threats

As substations become more interconnected and automated, they are increasingly vulnerable to cyberattacks. These critical nodes of the power grid are essential for ensuring a stable and reliable energy supply, making their protection paramount. Strengthening substation automation controls is key to...

Substation Automation

Contact Material Recycling and Sustainability in Electronics

The electronics industry is experiencing rapid growth and innovation, with devices becoming more advanced and ubiquitous. As this industry continues to flourish, it’s crucial to consider the environmental impact of electronic manufacturing and the materials used in these devices. One area...

Physical Security & Monitoring

Ensuring Compliance vs Building Resilience

The realization that the vast majority of substations have significant security vulnerabilities was crystalized after the Metcalf incident of April 2013, during which unknown assailants caused the failure of 17 transformers at the Silicon Valley PG&E transmission substation in Metcalf,...

Home Transformation Electrical Substations

Power Factor Testing of Circuit Breakers

Detecting contamination and deterioration in SF6 breakers to ensure longevity

BY LINDA NOWAK, Doble Engineering Company

The purpose of “Doble testing”, or power factor testing, SF6 (sulfur hexafluoride) circuit breakers is to detect the presence of contamination and/or deterioration of the breaker’s insulating system. This process will allow corrective actions to be taken to ensure the integrity of the breaker.

The Doble test is completed by measuring the insulation’s dielectric-loss and capacitance and...

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M7100 High-Voltage Asset Analyzer

DILO 3-033-R002 SF6 Gas Leak Detector

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