SC(B)H15 Series Amorphous Alloy Dry-Type Transformers

Q: What are the benefits of using amorphous alloy in transformers?

Amorphous alloy cores significantly reduce no-load losses (core losses), which improves energy efficiency by up to 70-80% compared to traditional transformers. This reduces operational costs and environmental impact.

Q: Where are amorphous alloy dry‑type transformers used?

They are typically used in industrial, commercial, and residential buildings , as well as in renewable energy systems (such as solar and wind farms), where high energy efficiency and fire safety are crucial.

Q: What is the insulation class of the SCBH15 transformer?

The SCBH15 series transformer uses H‑class insulation , which can withstand operating temperatures up to 180°C , ensuring reliable performance in demanding environments.

Q: What are the primary advantages of using a dry‑type transformer over an oil‑immersed one?

Dry‑type transformers are safer for indoor environments, require less maintenance , and eliminate the risk of oil leaks or fire hazards , making them ideal for urban and commercial installations .

Q: What are the common voltage and capacity ratings for these transformers?

SCBH15 transformers are available in a variety of voltage ratings (e.g., 10kV, 20kV ) and power capacities (ranging from kVA to MVA ) to meet various system requirements.

Q: How does an amorphous alloy dry‑type transformer contribute to energy savings?

Due to its low core losses, the transformer operates more efficiently , especially in applications where it runs continuously, thereby reducing overall energy consumption and improving system performance.

Q: Can these transformers be customized for specific needs?

Yes. SCBH15 transformers can be customized in terms of voltage ratings, capacity, cooling options, and configuration to suit specific project requirements and operational conditions.

Q: What maintenance is required for an amorphous alloy dry‑type transformer?

Routine maintenance includes visual inspections , dust removal , temperature monitoring , and checking electrical connections to ensure safe operation and extend the transformer’s service life.

The SC(B)H15 Series Amorphous Alloy Dry-Type Transformer offers low no-load loss, fire resistance, moisture resistance, and maintenance-free operation. It is ideal for all scenarios where standard dry-type transformers are used, including airports, train stations, urban subways, skyscrapers, and power plants. Particularly suited for areas prone to fire hazards, explosions, or energy shortages, this advanced transformer integrates seamlessly into power substations to enhance energy efficiency and reliability.

SC(B)H15 Series Amorphous Alloy Dry-Type Transformers

Key Features:

The amorphous alloy dry-type transformer uses an amorphous alloy core and epoxy resin cast insulation, offering the dual advantages of ultra-low no-load loss and fire resistance, along with safety and environmental protection. Compared to traditional dry-type transformers, it has lower losses and more significant energy-saving effects. It also features short circuit resistance, moisture and dust protection, low noise, maintenance-free operation, and the ability to be installed indoors at close distances. This makes it an efficient, energy-saving, green, and low-carbon high-end distribution transformer.

Why choose the SC(B)H15 type amorphous alloy dry-type transformer?

Designed using advanced technologies, the SCBH15/17/19 Series Amorphous Alloy Dry-Type Transformers deliver exceptional performance with unparalleled safety, reliability, and environmental benefits. These transformers are engineered for high-density load centers, supporting the growth of modern urban infrastructure. They are particularly suited for installations requiring fire protection in locations such as commercial hubs, industrial plants, and critical infrastructures like subways, power substations, and power plants.

The product adopts cutting-edge materials and construction techniques:

Core: Amorphous alloy core with rectangular cross-section and three-phase three-limb or five-limb structure, achieving a 75% reduction in no-load loss.

Low-Voltage Coils: Constructed with copper foil for superior performance.

High-Voltage Coils: Vacuum-cast with epoxy resin or Nomex insulation material for enhanced durability and short-circuit resistance.

Product Advantages

Energy Efficiency: Built with isotropic soft magnetic materials that minimize magnetization power and eddy current loss, the amorphous alloy core reduces no-load loss by 75% compared to GB/T10228 standards, significantly lowering operational costs.

Corrosion Resistance: The amorphous alloy core is fully sealed with resin and high-temperature silicone gel, preventing corrosion and protecting the core and coils from damage or debris.

Low Noise: Optimized core and coil structures, combined with noise-reducing materials, ensure operational noise levels well below JB/10088 international standards.

High Short-Circuit Resistance: Featuring a three-phase five-limb structure, compact frame design, and robust core protection, the transformer withstands high short-circuit forces with ease.

Extended Service Life: Low-temperature rise, exceptional heat dissipation, and safe operation at 150% load capacity under forced air cooling conditions. A reliable temperature control system ensures long-term performance and safety.

Operating Conditions

Ambient Temperature: -25°C to +40°C.

Relative Humidity: Daily average ≤ 95%, monthly average ≤ 90%.

Altitude: ≤1000m.

Installation: Suitable for areas without fire, explosion hazards, or severe vibration.

Application

The amorphous alloy dry-type transformer combines the ultra-low loss characteristics of amorphous alloy with the fireproof and flame-retardant, safe and environmentally friendly features of dry-type transformers. It is particularly suitable for indoor environments with high requirements for energy conservation, fire protection, noise reduction, and environmental protection. It is widely used in high-rise buildings, shopping malls, hospitals, schools, data centers, office buildings, industrial parks, subways, airports, etc., where there is a high load and requires long-term uninterrupted power supply. It is also an ideal power distribution equipment for green buildings and energy-saving power grid renovations.

Model meaning

Technical Parameters

Overall and mounting dimensions(mm)（Reference）

Model meaning

SCBH15-XXX/10 (11)	S:	Three-phase transformer
	C:	Epoxy resin encapsulated insulation
	B:	Foil winding
	H:	Core material is amorphous alloy
	15:	Ultra-low loss energy-saving level
	XXX:	Rated capacity (kVA)
	10（11）:	Rated voltage 10kV or 11kV (high-voltage side)

Technical Parameters

Item	Specification
Rated Voltage	HV: 10 kV / 11 kV; LV: 0.4 kV
Rated Capacity	100–2500 kVA
Number of Phases / Frequency	Three-phase, 50 Hz
Vector Group	Dyn11
Core Material	Amorphous alloy
Insulation Structure	Epoxy resin vacuum cast
Winding Type	Foil winding / wire winding, all copper
Cooling Method	AN (Air Natural) / AF (Air Forced)
Tap Changer	Off-circuit tap changer: ±2 × 2.5%
Impedance Voltage	4.0%–6.0%
Insulation Class	Class F / Class H
Degree of Protection	IP20 / IP23 / IP30 / IP31
Loss Level	SCBH15, SBH15 (ultra-low loss type)
Operating Environment	Indoor use, fire-resistant, flame-retardant, moisture-proof, dust-proof

Overall and mounting dimensions(mm)（Reference）

Custom SCBH15 Series Amorphous Alloy Dry‑Type Transformer Solutions

(The values can be customized according to project requirements.)

If you have specific requirements for the SCBH15 series amorphous alloy dry‑type transformers, please contact us. Our team will review your electrical system design and provide a tailored solution.

We can customize rated capacity, voltage class, winding arrangement, cooling method, insulation level, and enclosure features to ensure high efficiency, reliable performance, and long‑term stability in your power distribution system. The SCBH15 series transformers use amorphous alloy core technology for low no‑load loss, excellent energy efficiency, and reduced operating cost, making them ideal for industrial plants, commercial buildings, renewable energy projects, and utility applications.

FAQ

What is an amorphous alloy dry‑type transformer?

An amorphous alloy dry‑type transformer is a type of power transformer that uses amorphous metal for the core, providing lower energy losses compared to traditional silicon steel cores. It is air‑cooled (no oil) and safe for indoor use.

What are the benefits of using amorphous alloy in transformers?

Amorphous alloy cores significantly reduce no-load losses (core losses), which improves energy efficiency by up to 70-80% compared to traditional transformers. This reduces operational costs and environmental impact.

Where are amorphous alloy dry‑type transformers used?

They are typically used in industrial, commercial, and residential buildings, as well as in renewable energy systems (such as solar and wind farms), where high energy efficiency and fire safety are crucial.

What makes a transformer "dry‑type"?

Dry‑type transformers do not use oil for insulation or cooling. Instead, they rely on air cooling through natural convection or forced air, making them ideal for indoor installation and reducing fire risk.

What is the insulation class of the SCBH15 transformer?

The SCBH15 series transformer uses H‑class insulation, which can withstand operating temperatures up to 180°C, ensuring reliable performance in demanding environments.

What are the primary advantages of using a dry‑type transformer over an oil‑immersed one?

Dry‑type transformers are safer for indoor environments, require less maintenance, and eliminate the risk of oil leaks or fire hazards, making them ideal for urban and commercial installations.

What are the common voltage and capacity ratings for these transformers?

SCBH15 transformers are available in a variety of voltage ratings (e.g., 10kV, 20kV) and power capacities (ranging from kVA to MVA) to meet various system requirements.

How does an amorphous alloy dry‑type transformer contribute to energy savings?

Due to its low core losses, the transformer operates more efficiently, especially in applications where it runs continuously, thereby reducing overall energy consumption and improving system performance.

Can these transformers be customized for specific needs?

Yes. SCBH15 transformers can be customized in terms of voltage ratings, capacity, cooling options, and configuration to suit specific project requirements and operational conditions.

What maintenance is required for an amorphous alloy dry‑type transformer?

Routine maintenance includes visual inspections, dust removal, temperature monitoring, and checking electrical connections to ensure safe operation and extend the transformer’s service life.

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Nearly 20 Years of Industry Experience

10,000⁺ Units/Year Production Capacity

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500⁺ Power Utility Clients

1 Billion⁺ CNY Annual Sales Revenue