Industry Insights

EV charger testing is not just about whether a charger can deliver power. In China and international markets, testing typically covers safety, EMC, interfaces, communication, metering, and environmental reliability. This article explains the key standards and the main test items that matter in practical EV charger compliance and project delivery.

Explore how smart meter data supports distribution network operations through operational visibility, digital twins and fog computing, based on a recent open-access review.

Harmonics are a common but often overlooked power quality issue in modern electrical systems. This article explains what harmonics are, where they come from, and how they can affect equipment operation, system reliability, and electricity meter testing under real operating conditions.

Transformers are fundamental equipment in power systems, but they are not a single product category. Different insulating media, cooling methods, phase configurations, and application types all influence transformer design and testing requirements. This article looks at common transformer classifications and the main electrical tests used across factory testing, commissioning, and maintenance.