SCBH15-M Amorphous Alloy Dry-Type Transformer

1. Product Overview

SCBH15-M amorphous alloy dry-type transformer is a new generation of ultra-energy-saving and eco-friendly distribution transformer. It adopts an amorphous alloy core, epoxy resin casting, and foil-winding structure, with no-load loss far lower than traditional silicon steel transformers. It is a key energy-saving equipment promoted by the state.

Meaning of model:

• S: Three-phase

• CB: Epoxy resin cast, foil winding

• H: Amorphous alloy core

• 15: High-performance loss level

• M: Fully sealed, all-copper winding

Compliant with standards:

GB/T 10228, GB 20052, GB 1094.11, IEC 60076.

Flame retardant class F1, eco-friendly, oil-free, low noise.

2. Core Technical Parameters(Customizable)

• Rated voltage: 10kV±2×2.5% / 0.4kV

• Rated capacity: 30kVA～2500kVA

• Connection group: Dyn11

• Frequency: 50Hz

• Insulation class: Class H (180℃)

• Cooling mode: AN (self-cooling) / AF (air-forced cooling)

• Protection class: IP20, IP30, IP40

• Short-circuit impedance: 4%/6%

• Partial discharge: ≤5pC

• Noise level: 35～50dB(A)

• Ambient temperature: -25℃～+45℃

• Design service life: ≥30 years

Loss Comparison & Advantages

• No-load loss reduced by 70%～80% compared with SCB9

• No-load loss reduced by more than 50% compared with SCB13, SCB14

Especially suitable for power grids, residential quarters and public buildings with long-term energization, low load rate and long operating hours.

3. Structural & Technological Features

1) Amorphous Alloy Core (Core Energy-Saving Component)

• Ultra-thin amorphous alloy strip with high permeability and extremely low loss.

• Wound core structure with fewer joints, uniform magnetic circuit and small excitation current.

• Integral epoxy sealing for moisture-proof, rust-proof and anti-vibration.

• Extremely low no-load loss, almost no heat generation.

2) Winding Structure (High Reliability & Short-Circuit Resistance)

• Low-voltage copper foil winding: uniform current density, low eddy current, good heat dissipation.

• High-voltage multi-layer cylindrical winding: balanced ampere-turns, excellent short-circuit withstand capability.

• Vacuum epoxy casting with glass fiber reinforcement: no bubbles, no cracks, high integrity.

• Class H insulation: heat-resistant, moisture-resistant, anti-aging, impact-resistant.

3) Temperature Control & Intelligent Monitoring

• PT100 platinum resistors embedded in windings for accurate temperature measurement.

• Intelligent temperature controller: over-temperature alarm, tripping, automatic fan control.

• Standard RS485/Modbus, connectable to power monitoring and unattended systems.

4) Body & Enclosure

• Fully sealed structure: moisture-proof, dust-proof, salt-fog resistant, pollution-resistant.

• High-strength steel clamping structure: anti-seismic and shock-resistant for transportation.

• Electrostatic plastic spraying enclosure: anti-corrosion, aesthetic and durable.

• Rain cover available for outdoor installation.

4. Core Product Advantages

1) Ultra-Energy-Saving

• Amorphous alloy core with industry-leading low no-load loss.

• Long-term operating electricity cost reduced by more than 50% vs. traditional transformers.

• Short payback period: 2–5 years.

• Meets national Class 1 energy efficiency, ideal for grid and energy-saving renovation.

2) Safe & Fire-Resistant

• Oil-free, no leakage, no fire or explosion risk.

• Flame retardant class F1, smokeless, non-toxic, non-flammable.

• Can be installed directly in basements, load centers, high-rises, shopping malls, hospitals.

• No need for oil pits, firewalls or fire systems, greatly reducing construction cost.

3) Ultra-Low Noise

• Wound core plus anti-vibration design, noise ≤45dB(A).

• Quiet operation, suitable for residential areas, schools, hospitals.

4) High Short-Circuit Withstand Capability

• Integrally cast windings with high mechanical strength.

• Excellent resistance to lightning impulse, short-circuit shock and overload.

• Much lower failure rate than oil-immersed and conventional dry-type transformers.

5) Strong Environmental Adaptability

• Moisture-proof, dust-proof, anti-condensation, salt-fog resistant, corrosion-resistant.

• Suitable for coastal, chemical, mining, humid and dusty environments.

• Can be put into operation directly without pre-drying after outage.

6) Maintenance-Free & Long Service Life

• Oil-free, no oil replacement, filtration or testing required.

• Routine maintenance only includes dust cleaning and connection inspection.

• Normal service life ≥30 years.

5. Application Scenarios

• Urban and rural power grid upgrading (State Grid, China Southern Grid).

• Residential quarters, schools, hospitals, office buildings with high requirements for noise and fire safety.

• Commercial complexes, subways, airports, stations, indoor load centers.

• Factories, mines, chemical, metallurgical industries (humid, dusty, explosion-proof environments).

• Photovoltaic, wind power, energy storage systems (outstanding energy saving under long-term no-load/light-load).

• Basements, high-rise buildings and crowded places (no fire hazard, safe and reliable).