Technical Articles

The advantages and disadvantages of oil immersed transformer can directly affect the power consumption, so it is very important to select the transformer with high cost performance and good performance...

A structured guide by Hengfengyou Electric engineers on the selection logic, application scenarios, and on-site adaptation requirements for high and low-voltage complete switchgear to ensure grid safety and efficiency....

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...

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-...