Industry News
China State Grid Plans RMB 4 Trillion Investment During 15th Five-Year Plan
According to recent reports, State Grid Corporation of China plans to invest approximately RMB 4 trillion during the 15th Five-Year Plan period to accelerate the construction of a new power system, focusing on ultra-high voltage transmission, renewable energy integration, and grid modernization.
the 138th China Import and Export Fair (Canton Fair).
The Canton Fair to be held in October 2025 will be the 138th China Import and Export Fair (Canton Fair).
EC INSULATOR JIANGXI CO.,LTD Welcomes New Automation, Boosting Insulator Production with Robotic Arms
EC Insulator JIANGXI CO.,LTD has successfully installed and put into operation a new batch of advanced robotic arms for its insulator production line, marking a significant step towards smart manufacturing.
Good News in Transformer Exports
From August 22 to 23, 2025, Jiangxi Yixi Electric Co., Ltd. exported a total of 24 full containers of Transformers alone, with a total value of USD 2.8 million! The majority of these were single-phase pole-mounted transformers!!!
Technical specifics of the injection molding process for composite insulators
Here’s a highly detailed technical breakdown of the injection molding process for composite insulators, covering material science, equipment, process parameters, defect analysis, and cutting-edge technologies, with expanded practical insights:
Metal Oxide Varistor (MOV) Testing for Surge Arresters
Metal Oxide Varistors (MOVs) are the key components of surge arresters, determining their overvoltage protection performance. Below are the essential aspects of MOV testing, including objectives, standard test methods, and relevant standards.
Lightning Arrester Global Market Research Report
Information on the global surge arrester market . Here's a comprehensive overview:
Single-Phase vs. Three-Phase Transformers: Key Differences and Selection Guide
1. Fundamental Principles
| Aspect | Single-Phase Transformer | Three-Phase Transformer |
|---|---|---|
| Magnetic Field | Pulsating (single alternating flux) | Rotating (three balanced fluxes, 120° apart) |
| Construction | 1 core + 1 primary/secondary winding | 3-limb core + 3 windings (Δ/Y configurable) |
| Voltage Transformation | Only magnitude change | Magnitude + phase angle adjustment |
Technical Insight:
Three-phase systems provide constant instantaneous power (no pulsation) due to 120° phase displacement, making them ideal for industrial power grids.
transformer applications in different countries
Here’s a detailed overview of transformer applications in different countries, highlighting key standards, technologies, and regional trends:
VIETNAM ETE 2025
The 18th Vietnam International Exhibition on Electrical Equipment & Technology (VIETNAM ETE 2025)