Neutral and Ground Harmonic-Induced Power Losses and Correction

Howard W. Penrose, MotorDoc LLCIndustry Topics, Winter 2023 Industry Topics

In commercial and industrial power systems, harmonic currents can create a variety of issues, including increased power losses and potential damage to equipment. This article describes the various types of power losses associated with neutral and ground harmonic currents with a focus on resistive losses, transformer losses, and dielectric losses in distribution and power factor correction capacitors, and how these …

Unlocking Reliability: A Guide to Low-Voltage Circuit Breaker Maintenance Testing

Cade Patton, MeggerIndustry Topics, Winter 2023 Industry Topics

Circuit breakers in electrical systems play a critical role in ensuring personnel safety, equipment, and systems reliability. These protective devices are designed to interrupt the flow of electrical current in the event of a fault, preventing potential hazards such as electrical fires and equipment damage.  Low-voltage circuit breakers encompass a range of types, including insulated case circuit breakers (ICCBs)/molded case …