Insights
Technical articles on standards, selection and application of power distribution equipment.
- How to Choose 12kV / 35kV HV Switchgear A practical guide to selecting medium-voltage switchgear — withdrawable vs fixed, vacuum vs SF6, and the rated parameters you must specify. Read more →
- IEC vs GB Standards for Switchgear — What Buyers Should Know How IEC 62271 and Chinese GB/T standards relate for HV switchgear, and what it means when you import equipment to different markets. Read more →
- Prefabricated Substation Basics — When to Use a Box-type Substation What a YB□-12 prefabricated substation integrates, how it saves site work, and the key specs to confirm before ordering. Read more →
- How to Size a Distribution Transformer (kVA) A practical method to estimate transformer capacity from load power and power factor, with a worked example for a 12kV/0.4kV substation. Read more →