The SCB(H)15 3D wound core dry-type transformer is an advanced high-efficiency transformer that combines three-dimensional wound core technology with epoxy resin casting insulation.

This product integrates:

• Original 3D wound core technology (developed since 1946)
• Advanced polygonal core structure design
• Modern winding and casting manufacturing processes

Compared to conventional dry-type transformers, it offers lower no-load loss, reduced excitation current, and improved energy efficiency, with overall performance exceeding national standards.

It is widely used in:

• High-rise buildings and dense urban areas
• Airports, railway stations, and metro systems
• Hospitals and critical infrastructure
• Power plants and metallurgical industries
• Petrochemical and nuclear facilities

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🔹 Standards Compliance

• IEC 60076-11 – Dry-Type Power Transformers
• GB/T 1094.1 – Power Transformers
• GB/T 1094.11 – Dry-Type Transformers
• GB/T 32825 – 3D Wound Core Dry-Type Distribution Transformers
• JB/T 10088 – Sound Levels of 6kV–500kV Transformers
• GB 20052-2020 – Energy Efficiency Standards

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🔹 Key Features

✔ Advanced 3D Wound Core Technology

• Fully symmetrical three-phase magnetic circuit
• Reduced magnetic resistance
• Lower excitation current and no-load loss

👉 Significantly improves overall energy efficiency

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✔ Ultra-Low Loss & Low Noise

• Reduced core loss and vibration
• Optimized structure minimizes operational noise

👉 Suitable for noise-sensitive environments

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✔ High Reliability & Mechanical Strength

• Epoxy resin encapsulated windings form a rigid structure
• Excellent short-circuit resistance
• Strong resistance to impact overvoltage

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✔ Excellent Environmental Performance

• Fire-resistant and pollution-free
• Moisture-proof and corrosion-resistant
• Suitable for harsh environments

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✔ Compact & Efficient Design

• Smaller size and lighter weight
• Optimized structure improves space utilization
• Easy installation and reduced infrastructure cost

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✔ Integrated Manufacturing Design

• Combined winding and casting process
• Simplified structure with high production consistency

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✔ Intelligent Monitoring Capability

• Supports real-time monitoring of operating conditions
• Optional remote communication system

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🔹 Structural Design

🔸 Core

• 3D wound core with polygonal cross-section
• Fully symmetrical magnetic circuit
• Annealed after assembly

➡ Benefits:

• Reduced magnetic resistance
• Lower no-load loss
• Improved efficiency

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🔸 Windings

• Epoxy resin cast windings
• Oxygen-free copper conductors
• Integrated rigid insulation structure

➡ Features:

• High mechanical strength
• Excellent insulation performance
• Strong short-circuit resistance

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🔸 Clamping Structure

• Integral upper and lower clamping system
• Steel structure design

➡ Provides:

• Strong support for windings
• Improved resistance to axial forces during faults

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🔸 Noise Control Design

• Structural optimization reduces vibration
• Suppresses resonance within clamping system

➡ Ensures:

• Low noise operation

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🔹 Applications

• High-density urban power distribution
• Airports, rail transit, and metro systems
• Hospitals and data centers
• Industrial and petrochemical plants
• Nuclear and high-safety environments

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🔹 Advantages Summary

• Advanced 3D wound core technology
• Lower loss and higher efficiency
• Low noise and stable operation
• High mechanical strength and safety
• Environmentally friendly and maintenance-free
• Ideal for high-end and critical applications

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❓ FAQ

1️⃣ What is a 3D wound core transformer?

A 3D wound core transformer uses a fully symmetrical magnetic circuit instead of laminated core structures.

👉 This reduces magnetic resistance and improves efficiency, resulting in lower losses and better performance.

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2️⃣ How does SCB(H)15 compare to SCB13 or SCB14?

• Lower excitation current
• Lower no-load loss
• Better noise performance

👉 It is a high-end alternative with advanced core technology.

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3️⃣ Is this transformer suitable for critical environments?

Yes, it is ideal for:

• Hospitals
• Airports
• Nuclear and petrochemical facilities

👉 Due to its fireproof, safe, and highly reliable design.

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4️⃣ Does it support remote monitoring?

Yes, it can be equipped with:

• Temperature monitoring
• Alarm and protection system
• Remote communication interface

👉 Suitable for smart grid integration.