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 ...

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

Australia's NOJA Power has released Relay 1.9, an upgraded firmware platform for its OSM series Automatic Circuit Reclosers (ACR). Among other enhancements, the firmware now includes Negative Phase ...

Medium-voltage motors are critical to a facility’s power system. Not only are they expensive, but their failure can have crippling, long-lasting impacts on a plant’s operation. As such, properly ...

Understanding the advantages, limitations, and use cases of each technology helps engineers create reliable consumer products.

Although it's one of the most important aspects of electrical design and installation, grounding continues to be one of the least understood and most misinterpreted concepts in the industry. It's also ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess the integrity of insulation in motors, cables, transformers, and other ...

Often, many different types of protection of the power transistor, motor or any part of the system are required in motor drive applications. Current protection of the inverter is one of the crucial ...

ETAP, the California headquartered software provider, has found a solution to open-phase fault conditions on plant distribution systems. ETAP, the California headquartered software provider, has found ...