The 35kV energy-efficient oil-immersed power transformer is designed for medium-voltage power distribution systems, offering excellent performance, high reliability, and energy-saving operation.

It adopts high-quality cold-rolled grain-oriented silicon steel with a 45° fully mitered joint core structure, effectively reducing no-load loss and operating noise.

With a compact structure and advanced design, this transformer is widely used in:

• 城市和農村電網
• 工礦企業
• Power system upgrades and reconstruction
• Prefabricated compact substations

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符合標準

This product is manufactured in strict accordance with international and national standards:

• IEC 60076-1 - 電源變壓器
• GB/T 1094.1 - 電力變壓器
• GB/T 6451 – Technical Parameters for Oil-Immersed Transformers
• JB/T 10088 - 6kV-500kV 變壓器的噪音水平
• GB 20052-2020 - 能源效率限值和等級

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主要功能

✔ 高能源效率

• Advanced core design reduces no-load loss
• Meets modern energy-saving standards
• Lower lifecycle operating costs

✔ 低噪音操作

• Optimized magnetic circuit reduces vibration
• Suitable for urban and residential installations

✔ Reliable & Compact Design

• Space-saving structure
• 易於安裝和維護
• Ideal for compact substations

✔ Strong Mechanical Strength

• High resistance to short-circuit impacts
• Stable performance under heavy load conditions

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結構設計

🔸 核心

• High-permeability grain-oriented silicon steel
• Multi-step core structure (3-joint / 5-joint / 7-joint)
• 完全斜接的接縫：
  • 較低損失
  • 降低噪音

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🔸 繞組

• High-quality enameled copper conductors
• Oxygen-free copper materials
• Winding types include:
  • 圓柱形
  • 連續性
  • 螺旋
  • 繞箔

➡ 提供：

• Excellent electrical insulation
• 強大的機械強度
• 高效散熱

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🔸 油箱

• Constructed from high-quality welded steel plates
• Tank types:
  • Oval
  • Rectangular
• Cooling options:
  • 散熱器鰭片
  • 波紋槽
• 表面處理：
  • 酸洗和磷化
  • Multi-layer anti-corrosion coating

➡ 確保：

• 可靠的密封性能
• 強大的耐腐蝕性
• 使用壽命長

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應用

• Medium-voltage power distribution systems
• 工業廠房與重工業
• 基礎建設與公用事業專案
• Renewable energy grid integration
• 21. 預製變電站

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優勢摘要

• Energy-saving and eco-friendly
• Low noise and low loss
• High reliability and durability
• Suitable for modern grid systems
• Flexible customization options

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常見問題

1️⃣ What is the typical application of a 35kV oil-immersed transformer?

35kV transformers are mainly used in medium-voltage distribution networks, including:

• Industrial power supply systems
• Utility substations
• Renewable energy projects

👉 They are ideal for transmitting power over longer distances with stable performance.

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2️⃣ Can this transformer be customized for different projects?

Yes, full customization is available:

• Rated capacity (kVA/MVA)
• 電壓等級 (HV/LV)
• 向量群組
• 冷卻方式
• 安裝環境

👉 Custom solutions are widely applied in large-scale infrastructure projects.

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3️⃣ How does this transformer ensure low noise operation?

The transformer uses:

• High-quality silicon steel core
• Fully mitered joint design
• Optimized magnetic circuit

👉 These features significantly reduce vibration and operational noise.

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4️⃣ What is the delivery time for this product?

• Standard configurations: 4–6 weeks
• Customized designs: 6–10 weeks

👉 Fast delivery options are available for urgent projects.