Industry News & Insights

DC Traction Substation Design: From AC 10kV to DC 1650V for Mine Surface Transport
DC Traction Substation Design: From AC 10kV to DC 1650V for Mine Surface Transport
Introduction DC traction power systems for mine surface transport represent one of the most demanding applications in industrial electrical engineering. The system must deliver reliable DC power at 1650V to... Read more...
Multifunction Power Meter vs Energy Analyzer: What Industrial Buyers Need to Know
Multifunction Power Meter vs Energy Analyzer: What Industrial Buyers Need to Know
Introduction Energy costs are typically the largest controllable operating expense in an industrial facility. Yet many plants still rely on a single utility meter at the main incomer to track... Read more...
Custom Electrical Control Panel Manufacturing: OEM/ODM Process, Lead Time & Certifications
Custom Electrical Control Panel Manufacturing: OEM/ODM Process, Lead Time & Certifications
IntroductionFor machine builders, system integrators, and EPC contractors, sourcing custom electrical control panels from a manufacturer rather than building them in-house offers significant advantages: lower cost, faster delivery, access to... Read more...
Current Transformer Types Explained: CT, ZCT & LZT — How to Choose for Your Protection System
Current Transformer Types Explained: CT, ZCT & LZT — How to Choose for Your Protection System
IntroductionCurrent transformers (CTs) are among the most critical — and most misunderstood — components in low voltage protection systems. Select the wrong type or accuracy class, and your protection relay... Read more...
Molded case circuit breaker MCCB selection guide for industrial applications
Molded Case Circuit Breaker (MCCB) Selection Guide: Ratings, Types & Applications
A complete buyer's guide to selecting the right molded case circuit breaker (MCCB) for industrial applications — covering current ratings, breaking capacity, trip units, IEC standards, and how to evaluate... Read more...
Motor Protection Relay vs Device: How to Choose for Your MCC | 2025 Guide
Motor Protection Relay vs Device: How to Choose for Your MCC | 2025 Guide
A practical industrial buyer's guide comparing motor protection devices and overload relays. Covers key protection functions, specifications, certifications, and how to choose the right motor protection relay supplier in China. Read more...
Top Air Circuit Breaker (ACB) Manufacturers in China 2025 — Verified Supplier Guide
Top Air Circuit Breaker (ACB) Manufacturers in China 2025 — Verified Supplier Guide
A practical buyer's guide to sourcing air circuit breakers (ACB) from China manufacturers. Covers key specifications, certifications, supplier evaluation criteria, and why Wanlong Electric is a trusted ACB factory. Read more...
DC Traction Power Supply System for Mine Surface Transport: Design & Solution Guide
DC Traction Power Supply System for Mine Surface Transport: Design & Solution Guide
Wanlong Electric provides a complete DC traction power supply solution for mine surface transport — from AC 10kV input to DC 1650V output, including medium voltage switchgear, rectifier units, DC... Read more...