Electrical Substations

Physical Security & Monitoring

FERC Complaint Targets Duke, PJM Transmission Planning

A coalition of large energy consumers and ratepayer advocates has filed a complaint with the Federal Energy Regulatory Commission (FERC), urging the agency to prohibit transmission owners from independently planning "local" transmission projects exceeding 100 kilovolts (kV). The coalition argues...

Substation Technologies

Detect Electrical Discharge Defects with Ultrasound

Electrical discharge is more common than we’d like to believe; even in new installations. Detecting these defects poses a serious challenge, particularly at an early stage when there is still time to initiate corrective actions. Vigilant technologies help reduce the risk of arc flash...

Substation Testing & Maintenance

Vacuum Interrupter Testing for Circuit Breakers

How to predict field life using vacuum interrupters BY FINLEY LEDBETTER, Group CBS Utilities have widely replaced older air-magnetic and oil interrupters for circuit breakers rated at one kilovolt (kV) or higher with vacuum interrupters (VI) due to higher interrupt capability. Vacuum interrupters...

Substation Protection

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...

Breakers & Relays

Protection of Electrical Power Transformers

INTRODUCTIONIn most large electrical systems, generators and power transformers are the two most expensive pieces of equipment. In addition to the capital cost of purchase, these two key devices are also the most critical to continuous and reliable operation of the system.Consider, for example, the...

Lightning Protection

Grounding System Maintenance Guide

Grounding systems are a crucially important component of any power supply system, because they directly impact public and employee safety, supply system reliability, power quality and life expectancy of power equipment. In spite of their crucial role in safe, reliable, and economic operation of...

Home Transformation Electrical Substations

12 Tips to Protect Against Common Lineworker Safety Hazards

Lineworkers face numerous risks daily, from respiratory ailments to electrical hazards. These dangers can result in severe injuries, low blood pressure, bleeding, and vomiting. However, by adhering to established safety protocols, contractors and employers can significantly reduce the likelihood of accidents. Below are 12 practical tips to protect lineworkers from common safety hazards.

1. Identifying Job Hazards
The first step to mitigating risks is recognizing them. Conduct regular inspections of the worksite to identify potential...

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M7100 High-Voltage Asset Analyzer

DILO 3-033-R002 SF6 Gas Leak Detector

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