Technical Guidance

1Dry type transformers and oil immersed transformers

Technical Guidance

4 August, 2026

Comparison of Dry-Type and Oil-Immersed Transformers: Analysis of Technical Characteristics and Application Scenarios

1. Basic Definitions and Classification of Dry Type Transformers and Oil Immersed Transformers In industrial plants, commercial buildings, and overseas power projects, transformer selection is often a critical part of...

Technical Guidance

3 August, 2026

Guide to Low-, Medium-, and High-Voltage Switchgear: Types, Applications, and Selection Methods

1. Basic Concepts of Switchgear and Voltage Classification Switchgear is a group of electrical equipment used in power systems for control, protection, and isolation of electrical devices. Through components such...

Technical Guidance

28 July, 2026

S22 Oil-Immersed Transformer: The Optimal Choice for Tier 1 Energy Efficiency Standards

For many years, S11 series transformers have been widely used in power grids, industrial projects, and infrastructure construction. However, they are gradually being phased out from new projects. Although S13...