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2024 CE Code Training - Better Understanding of the Rules

CE Code training is intended to do a lot more than instruct about what changes have taken place since the last time Canada issued a national electrical code. We are producing a series of courses across Canada by one of Canada’s leading experts on the 2024 Edition of Canada’s Electrical Code to help electrical professionals on the effective application through an improved understanding of the intent of the rules. Also, our course will instruct electrical...

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Introducing Intelligent Power Today

Welcome to Intelligent Power Today Magazine, our publication that explores and explains the who, what, where, when, why and how of intelligent electrical devices, a collection of complex mechanical devices and sophisticated control systems used in industrial, commercial, and institutional...

Electrical Protection

Coordinating Overcurrent Protection in Complex Power Systems

Modern power systems are intricate networks that deliver electricity from generation sources to various consumers. These systems comprise multiple layers, including high voltage transmission lines, substations, distribution feeders, and low voltage connections to end users. Ensuring reliable operation of these complex systems requires robust protection schemes against overcurrent conditions and short circuits. Coordinating overcurrent protection across the different layers presents a significant challenge for electrical engineers. This article explores the complexities of coordinating overcurrent protection in modern power systems, highlighting the objectives, technical considerations, and potential challenges involved.

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Understanding Overcurrent Protection

Overcurrent protection is essential for safeguarding electrical systems against the damaging effects of excessive current flow, which can result from short circuits, overload conditions, or equipment failures.

Role in System Reliability

Effective overcurrent protection is crucial for maintaining the operational reliability of power systems, preventing equipment damage, and ensuring the safety of...

Electrical Protection Articles


Transformer Protection

Improving Grid Stability

Electrical transformers are vital components in power transmission and distribution systems, stepping up or down voltage levels to efficiently deliver electricity. However, these transformers are susceptible to various internal and external faults that can lead to catastrophic damage and widespread...

Monitoring Circuit Breakers

Monitoring circuit breakers: Reviewing current testing methodologies BY FINLEY LEDBETTER, Group CBS Circuit breakers, from low-voltage molded case to high-voltage SF6 (sulfur hexafluoride) circuit breakers, all connect and isolate electrical loads from downstream machinery. While some breakers are...
Lightning Protection Systems

Design and Installation Challenges

Lightning strikes pose a significant threat to structures and electrical equipment. A well-designed and installed lightning protection system (LPS) is crucial to safeguard buildings, infrastructure, and personnel from the damaging effects of lightning strikes. However, designing and installing...
Transformer Protection

The Rise of Digital Relays

For decades, transformer protection relied on analog electromechanical relays. While these served their purpose, the advent of digital relays has revolutionized this crucial aspect of power system operation. This article explores the key advantages of digital relays over their analog counterparts,...