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:
- Redes de distribuição de eletricidade urbanas e rurais
- Empresas industriais e mineiras
- Power grid renovation and upgrading projects
- Subestações pré-fabricadas compactas (subestações de pacote)
🔹 Conformidade com as normas
This product complies with major international and national standards:
- IEC 60076-1 - Transformadores de potência
- GB/T 1094.1 - Transformadores de potência
- GB/T 6451 - Requisitos técnicos para transformadores imersos em óleo
- JB/T 10088 - Níveis sonoros de transformadores 6kV-500kV
- GB 20052-2020 – Minimum Allowable Values of Energy Efficiency
Caraterísticas principais
✔ 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
- Adequado para ambientes residenciais e sensíveis ao ruído
✔ Compact & Robust Structure
- Space-saving design
- Ideal for prefabricated substations
Forte resistência a curto-circuitos
- Advanced winding technology
- Excellent mechanical and thermal stability
🔹 Conceção estrutural
🔸 Núcleo
- Aço silício de grão orientado de alta permeabilidade
- Multi-step structure (3-joint / 5-joint / 7-joint options)
- Juntas totalmente esquadriadas para:
- Redução da perda em vazio
- Lower noise
🔸 Enrolamentos
- Fio de cobre esmaltado de alta qualidade (tipo QQ)
- Condutores de cobre isentos de oxigénio
- Available winding structures:
- Cilíndrico
- Contínuo
- Helicoidal
- Enrolamento de folha
➡ Fornece:
- Elevada resistência eléctrica
- Strong mechanical durability
- Dissipação de calor eficiente
🔸 Tanque de óleo
- Made of high-quality welded steel plates
- Estruturas disponíveis:
- Oval type
- Rectangular type
- Métodos de arrefecimento:
- Aletas do radiador
- Tanque ondulado
- Tratamento da superfície:
- Limpeza com ácido e fosfatação
- Pintura com três demãos e um acabamento
➡ Caraterísticas:
- Excellent corrosion resistance
- Desempenho fiável da vedação
- Longa vida útil
🔹 Aplicações
- Power distribution systems
- Industrial facilities and factories
- Renewable energy integration projects
- Urban infrastructure construction
- Subestações compactas
🔹 Resumo das vantagens
- Higher efficiency than S11 transformers
- Energy-saving & environmentally friendly
- Baixo ruído e baixa perda
- Reliable and durable
- Adequado para redes inteligentes modernas
❓ FAQ
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.
2️⃣ Can the S13 transformer be customized?
Yes, customization is available, including:
- Capacidade nominal (kVA)
- Níveis de tensão (HV/LV)
- Grupo vetorial
- Método de arrefecimento
- Installation type
👉 Custom designs are widely used in industrial and substation projects.
3️⃣ Is this transformer suitable for outdoor and substation use?
Yes, it is designed for both outdoor installation and prefabricated substations.
Possui:
- Strong sealing performance
- Corrosion-resistant coating
- Stable operation in harsh environments
4️⃣ Qual é o prazo de entrega típico?
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.
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