Grey Owl's All-Season Strategy returned 11.4% in 2025, outperforming during risk-on rallies. Read the full report to explore ...

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 ...

A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, ...

WUXI, China — TopLIOU Current Transformer manufacturer Liou Electronics, a long‑established designer and maker of engineered current sensing components, has reported a noteworthy increase in its ...

Large-scale infrastructure projects, interconnection schemes, and renewable energy developments continue to shape the region’s power landscape. In such projects, even small deviations in CT or PT ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess ...

Industry Trends and Growing Demand for Primary Current Injection Testing Power systems worldwide are undergoing ...

ABSTRACT: When alternating current power transmission lines exceed a certain length, the electrical parameters become highly dependent on distance and frequency. Under these conditions, the lines ...

Abstract: Stray currents from DC metro systems intrude into the grounded neutrals of large power transformers, posing a major threat to the differential relay protection of transformer. In this paper, ...