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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...

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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...

Electrical Protection

Generator Protection and Renewable Energy Integration

The increasing integration of renewable energy sources like wind and solar power into the electricity grid presents unique challenges for generator protection. Traditional protection schemes, designed for conventional synchronous generators (fossil-fuel, hydro), need adaptation to accommodate the distinct characteristics of renewable energy sources. This article explores the challenges of integrating renewable energy sources from a generator protection perspective, discussing the unique characteristics of these generators and their potential impact on protection strategies.

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Unique Characteristics of Renewable Generators

Renewable energy sources such as wind and solar power differ significantly from conventional thermal and hydroelectric generators in their operational dynamics and electrical characteristics.

Variable Output and Intermittency

The power output from renewable sources like wind and solar is inherently variable and intermittent, depending on weather conditions. This variability poses challenges in maintaining a stable and balanced grid.

Low Inertia Contribution

Renewable energy systems, especially those...

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...
Transformer Protection

Protection for Smart Grid Integration

The concept of smart grids is revolutionizing the power delivery landscape. Characterized by two-way power flow, distributed generation, and increased reliance on automation, smart grids present unique challenges for traditional transformer protection schemes.These developments necessitate a...
Transformer Protection

Overcoming Relay Coordination Challenges

Relay coordination in electrical transformer protection is a critical process that ensures the safety and reliability of the power system. Effective coordination involves configuring multiple protective relays to operate in harmony, such that they correctly identify and isolate faults with minimal...