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:

• Redes eléctricas urbanas e rurais
• Empresas industriais e mineiras
• Power system upgrades and reconstruction
• Prefabricated compact substations

---

🔹 Conformidade com as normas

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

• IEC 60076-1 - Transformadores de potência
• GB/T 1094.1 - Transformadores de potência
• GB/T 6451 – Technical Parameters for Oil-Immersed Transformers
• JB/T 10088 - Níveis sonoros de transformadores 6kV-500kV
• GB 20052-2020 - Limites e graus de eficiência energética

---

Caraterísticas principais

Elevada eficiência energética

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

Funcionamento com baixo ruído

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

✔ Reliable & Compact Design

• Space-saving structure
• Fácil instalação e manutenção
• Ideal for compact substations

✔ Strong Mechanical Strength

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

---

🔹 Conceção estrutural

🔸 Núcleo

• High-permeability grain-oriented silicon steel
• Multi-step core structure (3-joint / 5-joint / 7-joint)
• Juntas totalmente esquadriadas para:
  • Menor perda
  • Redução do ruído

---

🔸 Enrolamentos

• High-quality enameled copper conductors
• Oxygen-free copper materials
• Winding types include:
  • Cilíndrico
  • Contínuo
  • Helicoidal
  • Enrolamento de folha

➡ Fornece:

• Excellent electrical insulation
• Forte resistência mecânica
• Dissipação de calor eficiente

---

🔸 Tanque de óleo

• Constructed from high-quality welded steel plates
• Tank types:
  • Oval
  • Rectangular
• Cooling options:
  • Aletas do radiador
  • Tanque ondulado
• Tratamento da superfície:
  • Limpeza com ácido e fosfatação
  • Multi-layer anti-corrosion coating

➡ Assegura:

• Desempenho fiável da vedação
• Forte resistência à corrosão
• Longa vida útil

---

🔹 Aplicações

• Medium-voltage power distribution systems
• Industrial plants and heavy industries
• Projectos de infra-estruturas e serviços públicos
• Renewable energy grid integration
• Prefabricated substations

---

🔹 Resumo das vantagens

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

---

❓ FAQ

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.

---

2️⃣ Can this transformer be customized for different projects?

Yes, full customization is available:

• Rated capacity (kVA/MVA)
• Níveis de tensão (HV/LV)
• Grupo vetorial
• Método de arrefecimento
• Ambiente de instalação

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

---

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.

---

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.