Technical Articles

Facing end-to-end demands from distribution transformer selection to energy efficiency compliance, how to balance economic feasibility and regulatory requirements while ensuring operational reliability has become a primary focus for project ...

Silicon steel sheet is a kind of silicon iron soft magnetic alloy with very low carbon content. Generally, the silicon content is 0.5 ~ 4.5%. Adding silicon can improve the resistivity and maximum permeability of iron, and reduce coercivity...

Under global "Dual-Carbon" strategies, upgrading energy efficiency for distribution transformers has become an imperative requirement for power grids, renewable energy, and industrial projects worldwide. Adopting a seamless, three-dimensiona...

This paper delivers a comprehensive overview of the fundamental definition, operating principles, core structures, performance advantages, and application scenarios of outdoor prefabricated compact substations (European type). As a factory-p...

The transformer test includes type test, routine test and special test, among which the temperature rise test is one of the type tests. This test is mainly to check the structural performance of the transformer, specifically to check whether...

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...