The 10kV S13 (S20/S22)-M series oil-immersed distribution transformer is an upgraded generation of high-efficiency and low-loss transformers designed to meet modern power distribution requirements.

Compared with the S11 series, the S13 series features lower no-load loss, improved energy efficiency, and reduced operating costs, making it an ideal solution for energy-saving power systems.

The core is manufactured using high-quality cold-rolled grain-oriented silicon steel with a 45° fully mitered joint structure, ensuring excellent magnetic performance, reduced losses, and low noise operation.

This transformer is widely applied in:

• 都市と農村の配電網
• 工業および鉱業企業
• Power grid renovation and upgrading projects
• コンパクトなプレハブ変電所（パッケージ変電所）

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🔹 規格コンプライアンス

This product complies with major international and national standards:

• IEC 60076-1 - 電源トランス
• GB/T 1094.1 - 電源トランス
• GB/T 6451 - 油浸変圧器の技術要件
• JB/T 10088 - 6kV-500kV変圧器の騒音レベル
• GB 20052-2020 – Minimum Allowable Values of Energy Efficiency

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主な特徴

✔ Higher Energy Efficiency

• Lower no-load loss than S11 series
• Meets higher energy-saving requirements
• Reduces long-term operational costs

✔ Low Noise Performance

• Optimized core design minimizes vibration
• 住宅や騒音に敏感な環境に最適

✔ Compact & Robust Structure

• Space-saving design
• Ideal for prefabricated substations

強い短絡抵抗

• Advanced winding technology
• Excellent mechanical and thermal stability

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🔹 構造設計

コア

• 高透磁率結晶粒延伸珪素鋼
• Multi-step structure (3-joint / 5-joint / 7-joint options)
• 完全なマイター・ジョイント
  • Reduced no-load loss
  • Lower noise

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🔸 巻線

• 高品質エナメル銅線（QQタイプ）
• 無酸素銅導体
• Available winding structures:
  • 円筒形
  • 連続
  • ヘリカル
  • 箔巻き

提供する：

• 高い電気強度
• Strong mechanical durability
• 効率的な放熱

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🔸 オイルタンク

• Made of high-quality welded steel plates
• 利用可能な構造
  • Oval type
  • Rectangular type
• 冷却方法：
  • ラジエーターフィン
  • コルゲートタンク
• 表面処理：
  • 酸洗浄とリン酸塩処理
  • 3コート1フィニッシュ塗装

特徴

• Excellent corrosion resistance
• 信頼性の高いシール性能
• 長寿命

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アプリケーション

• Power distribution systems
• Industrial facilities and factories
• Renewable energy integration projects
• Urban infrastructure construction
• コンパクトな変電所

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メリット 🔹 概要

• Higher efficiency than S11 transformers
• Energy-saving & environmentally friendly
• 低ノイズ・低損失
• Reliable and durable
• 最新のスマートグリッドに最適

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よくある質問

1️⃣ What is the difference between S11 and S13 transformers?

The S13 transformer offers lower no-load loss and higher energy efficiency compared to S11.
👉 This results in reduced electricity consumption and lower operating costs over time.

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2️⃣ Can the S13 transformer be customized?

Yes, customization is available, including:

• 定格容量（kVA）
• 電圧レベル（HV/LV）
• ベクトルグループ
• 冷却方法
• Installation type

👉 Custom designs are widely used in industrial and substation projects.

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3️⃣ Is this transformer suitable for outdoor and substation use?

Yes, it is designed for both outdoor installation and prefabricated substations.

その特徴は

• Strong sealing performance
• Corrosion-resistant coating
• Stable operation in harsh environments

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4️⃣ 一般的な納期は？

Delivery time depends on specifications and order quantity.

• Standard models: 3–6 weeks
• Customized orders: 4–8 weeks

👉 Fast production and flexible scheduling are available for urgent projects.