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Illuminating Decisions: EPRI Lights the Way for Modern Lighting Adoption

Facility managers and operators understand the critical role lighting plays in their daily operations.  Accounting for roughly 30% of a commercial building's energy load, lighting significantly impacts energy consumption and associated maintenance costs.  However, focusing solely on the initial fixture cost misses a crucial aspect of responsible lighting management – the long-term perspective.

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Beyond the Sticker Price: Unveiling the True Cost of Light

Modern lighting solutions promise a...

Buyer's Guide

News & Trends

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...

Counterfeiting Kills

Each year, the counterfeiting of well-known brands and products continues to rise, creating an even more threatening problem. Such well-known counterfeited brands, including consumer safety and critical electrical products, are estimated to be five to seven percent of world trade. The International...

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...

Electrical Protection

The Evolution of Circuit Breaker Technology

Circuit breakers play a critical role in overcurrent and short circuit protection within electrical systems. Their function is to interrupt the flow of current when it exceeds safe limits, preventing equipment damage and potential fires. Over the past century, circuit breaker technology has undergone significant development, transitioning from basic mechanical devices to modern solid-state breakers with enhanced capabilities. This article explores the evolution of circuit breaker technology, highlighting the advancements and their impact on overcurrent and short circuit protection.

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Early Mechanical Circuit Breakers

The journey of circuit breaker technology began with mechanical circuit breakers, which relied on physical movement to open and close the electrical contacts.

Mechanism and Functionality

Mechanical circuit breakers used a simple mechanism where an electromechanical actuator would trip the circuit in response to excessive current, physically separating the contacts to interrupt the current flow.

Limitations

While effective for basic...

Electrical Protection Articles

Generator Protection

Modernizing Protection for Aging Generators

As the electrical grid continues to evolve, the challenge of maintaining effective protection for aging generators becomes increasingly significant. Many older generators operate with potentially outdated protection schemes that may not meet the current standards of efficiency and safety. This...

Protection Schemes for Commercial and Industrial Facilities

The strategies and recommended practices that apply to protection schemes for commercial and industrial facilities have evolved in the past decade. It is important that facilities managers and protection practitioners understand and embrace these developments. The key challenges arise from the new...