Technical Articles

As a core hub of the power system, the operational stability of substations is crucial. This article provides a professional guide for on-site operations by analyzing key points of substation operation control and equipment collaboration. It...

Drawing on real-world engineering scenarios, electrical engineers from Hengfengyou Electric provide a structured breakdown of the selection logic and critical on-site adaptation requirements for complete switchgear and distribution equipment...

In power system configurations, resin cast dry-type transformers and oil-immersed transformers are the two most widely used product categories. They differ significantly in structure, performance, and application scenarios, which often leads...

his article provides a comprehensive overview of the environmental requirements and targeted protective measures for power distribution equipment, including distribution transformers, high/low-voltage switchgear, and ring main units (RMUs). ...

In this article, Shawn, Chief Technical Expert at Hengfengyou Electric, provides an in-depth analysis of the core technologies involved in substation general planning layout and civil engineering. Starting from four dimensions—functional z...

I. Industry Background and Evolutionary Trends Substations serve as critical hubs of the power grid, where operational efficiency and safety levels directly impact the stability of power supply across the entire region . As digital upgrades...

This article systematically expounds the core framework of transformer relay protection, defining a primary protection system centered on differential and gas protection, supplemented by a backup defense line comprising overcurrent and zero-...

This article outlines the core methods for monitoring and the practical maintenance points for dry-type and oil-immersed transformer insulation. By combining offline testing with online monitoring, and implementing targeted measures such as ...