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66 kV Oil-Immersed Power Transformer – 5 Must-Know Application Scenarios
2025-11-24 | By: ZTELEC-www.ztelecgroup.com | 139clickDiscover 5 critical uses of 66 kV oil-immersed power transformers: 220 kV substation step-down, steel & cement plants, city grids, solar/wind farms, airports & metros. IEC 60076, 25-year life, overload 140 %, global delivery....
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Quality Control and Inspection Standards for Epoxy Boards
2025-11-24 | By: ZTELEC-www.ztelecgroup.com | 92clickEpoxy boards , with FR-4 epoxy glass cloth laminates as a typical representative, if they have quality defects such as delamination, bubbles, uneven thickness, or substandard electrical performance, will cause circuit short circuits, equipm...
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Detailed Explanation of Transformer Voltage Conversion: Core Mechanism for Voltage Step-Up and Step-D
2025-11-21 | By: ZTELEC-www.ztelecgroup.com | 88clickLearn the core mechanism of transformer voltage conversion, including electromagnetic induction, turns ratio, transformer structure, applications, and practical precautions....
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Industrial-Grade G10/G11/FR4 Insulation Laminate Supplier
2025-11-21 | By: ZTELEC-www.ztelecgroup.com | 187clickAs the performance requirements for insulation materials in the industrial electrical equipment industry continue to rise, G10, G11, and FR4 insulation laminates have gradually become the preferred insulation materials for high-voltage elec...
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FR4/G10 Epoxy Board in Gas-Insulated Switchgear (GIS) Circuit Breakers
2025-11-20 | By: ZTELEC-www.ztelecgroup.com | 177clickIn modern power systems, Gas-Insulated Switchgear is widely used due to its high reliability and compact structure. The circuit breaker is a core component of such equipment, and its performance directly affects the safety and stability of...
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Guide to Selecting Oil-Immersed Transformer Capacity: Avoiding Common Selection Mistakes
2025-11-19 | By: ZTELEC-www.ztelecgroup.com | 124clickLearn how to scientifically select oil-immersed transformer capacity and avoid common mistakes such as oversizing, ignoring TCO, harmonics, and peak loads. Improve efficiency, reduce energy waste, and ensure long-term reliability of your pow...
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