A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault ...

Power systems today operate in an environment where reliability and safety must be maintained despite rising loads, expanding ...

All questions and answers are based on the 2017 NEC. Q. What is the Code requirement for sizing the overcurrent protection of conductors? A. Except as permitted by Sec. 240.4(A) through (G), ...

All questions and answers are based on the 2017 NEC. Q. Per the NEC, overcurrent protection devices must be placed at what location in branch-circuit or feeder conductors? A. Except as permitted by ...

For modern distribution protection, Negative Phase Sequence (NPS) Protection is often relegated in favor of common elements such as Overcurrent (OC) or Earth Fault (EF), but NPS is an incredibly ...

A motor protection relay safeguards electric motors by detecting thermal stress, phase imbalance, stall, and abnormal ...

Microcontroller units (MCUs) are generally limited with lower drive on the I/Os. Most of the applications requiring MCU boards to drive high-current loads need discrete implementation and additional ...

As the electric distribution system transforms into a smarter network, Commonwealth Edison Co.’s distribution automation team has embarked on a step-change journey that will transform distribution ...

Revolutionary vacuum fault interrupter technology enhances uptime, safety, and remote management for high-density power infrastructures ATLANTA, Aug. 4, 2025 /PRNewswire/ -- Power and Data Management ...

Circuit protection devices are safety components used in a variety of applications, ranging from smartphones and laptops to medical and wireless communications equipment. These components include ...

If you're seeking a way to measure current and power in a circuit, you need to know about current-sense amplifiers (CSAs). A CSA is a specialized op amp connected as differential amplifier with ...