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NOMEX protective garment

Advanced protection against electromagnetic exposures and electric arc

HAZARDS AROUND

While working live in the energized grid, presence of voltage around the workers requires special attention. However, live-line (live working) techniques are widely applied for decades, several accidents in the past prove that the level of safety must be improved to minimize the number and seriousness of injuries in the future.
In the high voltage grid, bare-hand method is a common technique for safe live work. In the surroundings of any energized equipment,...

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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...


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

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, highlighting their impact on transformer protection performance. This article explores the emergence of digital relays in transformer protection, highlighting their benefits, performance, and technical considerations.

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Limitations of Traditional Analog Relays

Analog relays operate on the principle of comparing electrical quantities like current or voltage to predetermined thresholds. These relays typically utilize physical components like coils, levers, and contacts to perform their functions. While reliable, analog relays have several limitations:

  • Limited Functionality: Analog relays are designed for specific protection functions, such as overcurrent or overload protection. Implementing complex protection algorithms can be challenging with analog technology.
  • Slow Response Times: Analog relays rely on...

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