Technical Article-page-3

10kV Transformer Replacement Timeline: Installation, Testing, and Commissioning

2025-12-25 | By: ZTELEC-www.ztelecgroup.com | 112click

Learn the complete 10kV transformer replacement timeline, including preparatory work, installation, testing, and commissioning. Discover factors affecting replacement time and optimization tips....

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How to Select a Suitable 50kVA–500kVA Distribution Transformer

2025-12-24 | By: ZTELEC-www.ztelecgroup.com | 54click

Learn how to select a suitable 50kVA–500kVA distribution transformer by analyzing load capacity, transformer types, technical parameters, energy efficiency standards, installation environment, and long-term operating costs....

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Dry-Type vs. Oil-Immersed Transformer: Is a 20kV 2500kVA Dry-Type Transformer a Better Choice?

2025-12-24 | By: ZTELEC-www.ztelecgroup.com | 77click

Compare dry-type and oil-immersed transformers for 20kV 2500kVA applications. This article analyzes safety, cooling methods, maintenance costs, environmental impact, and typical use scenarios to help you choose the optimal transformer soluti...

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Upgrading Manufacturing Processes Enhances the Reliability and Service Life of 35kV Oil-Immersed Tran

2025-12-20 | By: ZTELEC-www.ztelecgroup.com | 104click

This article explains how advanced manufacturing process upgrades significantly improve the reliability, operational stability, and service life of 35kV oil-immersed transformers, supporting smart grid and modern power system applications....

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High-Efficiency and Energy-Saving 110 kV Oil-Immersed Transformers for Long-Distance Transmission Lin

2025-12-20 | By: ZTELEC-www.ztelecgroup.com | 112click

Explore the technical features, applications, and selection guidelines of high-efficiency 110 kV oil-immersed transformers designed for long-distance transmission lines, offering low losses, high reliability, and intelligent monitoring....

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10kV Dry-Type Transformer 30–4000kVA | Cast Resin Structure Explained

2025-12-18 | By: ZTELEC-www.ztelecgroup.com | 119click

Comprehensive guide to 10kV dry-type transformers with cast resin structure (30–4000kVA). Learn about manufacturing process, insulation advantages, applications, and selection considerations for medium-voltage power distribution....

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