Distribution transformers must adhere to NEC and NFPA 70 standards, with specific requirements for overcurrent protection, ...

In this EC&M Tech Talk Randy Barnett discusses in five different sections the concepts and rules of overcurrent protection. Overcurrent protective devices include the fuses and circuit breakers ...

Advanced LCD technology has resulted in larger screens, wider viewing angles, and higher-quality video images. However, as LCD-TV screens grow bigger and brighter, they require more voltage and ...

Power systems today operate in an environment where reliability and safety must be maintained despite rising loads, expanding interconnections, and increasing dependence on distributed energy ...

The rising costs of telecommunication system failures, the increased use of unattended equipment in remote locations, and the high service expectations of subscribers all make the loss of a telephone ...

Differential protection is best understood as a fault control philosophy rather than a component category. The relay itself is secondary to the scheme it enforces. Once a zone is defined, the system ...

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