Technical Blog
Expert insights on medium voltage switchgear technology, selection guides, and industry best practices.
Vacuum Circuit Breaker vs SF6 Circuit Breaker: How to Choose (2026 Guide)
A detailed technical comparison of vacuum circuit breakers (VCB) and SF6 circuit breakers covering voltage rating, breaking capacity, mechanical life, maintenance cost, environmental impact, and application scenarios. Includes a 10-dimension comparison table to help engineers select the right breaker.
What Is a Ring Main Unit (RMU)? Complete Guide for Power Engineers
A comprehensive technical guide to ring main units (RMU): definition, working principle, types (SF6, air-insulated, vacuum), module combinations (V/L/F/C), application scenarios, selection criteria, and NAIJI Electric XGN15-12 RMU specifications.
Auto Recloser vs Sectionalizer: Key Differences for Distribution Network Engineers
Technical comparison of automatic reclosers and sectionalizers for medium-voltage distribution networks. Covers working principles, fault-breaking capability, coordination logic, smart grid applications, and NAIJI Electric ZW32-12F recloser specifications.
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