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Electrical Substations


Lightning Protection

Lightning Strikes

In Canada, lightning flashes occur about 2.34 million times a year; with the highest levels of concentration during the summer months. While most lightning on earth is ground-to-cloud,  recent research has identified that the majority of lightning events to tall structures, such as wind...


Power Transformers



Electrical Transformers

Transformers and the Power Grid

Transformers and the power grid: A look at the critical components of the electrical system BY THE ELECTRO-FEDERATION TRANSFORMER COMMITTEE* Electrical transformers are a vital ingredient to the power grid. Without these assets, electricity generation and transmission over long distances would not...

Why Net-Zero is Cheaper for the UK

The United Kingdom has set an ambitious target to achieve net-zero greenhouse gas emissions by 2050. This goal necessitates a comprehensive transformation of various sectors, including energy, transportation, and agriculture. While the environmental imperatives are clear, there is growing evidence...

Transformation

Partial Discharge & Circuit Breaker Asset Management

Detecting and avoiding preventable failures

BY JAY GARNETT, Doble Engineering Company

While metal clad switchgear can be very reliable, sometimes operating for over 50 years, throughout the aging process, this group of electrical disconnect switches, fuses and circuit breakers can experience issues such as moisture ingress, animal intrusion, enclosure rusting, and insulation deterioration. One efficient approach to detect incipient failures is partial discharge (PD), a leading indicator of various failure modes. Using both acoustic and...

Transformation Articles