SCB13 VS SCBH15 Dry-type Transformer

With the mandatory implementation of the Level 1 energy efficiency transformer standard in 2026, SCB13 and SCBH15, as two mainstream Level 1 energy efficiency dry-type transformers, have become core options for many enterprises. Many customers are confused when selecting a model: Both are Level 1 energy efficiency transformers, so what are the differences between them? Which one is more suitable for their application scenarios? How significant is the difference in energy-saving benefits in the long run? CLHT Power, combining years of industry experience and product test data, provides a comprehensive analysis to help you accurately select a transformer with both excellent cost-effectiveness and suitability.

To choose the right product, you must first understand the core differences: The essential difference between SCB13 and SCBH15 lies in the core material—SCB13 uses a traditional high-quality silicon steel sheet core, while SCBH15 uses a new type of amorphous alloy core. This material difference directly determines the differences between the two products in key dimensions such as energy saving effect, applicable scenarios, and cost. For a detailed comparison, please refer to the following key points:

SCB13 VS SCBH15 Application Scenarios

Note: The following data is based on actual measurements of standard 1000kVA/10kV models. Data may vary slightly for different capacity models; please refer to the CLHT Power transformer parameter table for accurate information.

Comparison Dimensions	SCB13 Level 1 Energy Efficiency Dry-Type Transformer	SCBH15 Level 1 Energy Efficiency Dry-Type Transformer
Core Material	High-quality, low-loss silicon steel sheets	Amorphous alloy (soft magnetic material with irregular atomic arrangement)
No-load Loss (Core Energy-Saving Indicator)	Approximately 1.2kW, meeting Level 1 energy efficiency standards	Approximately 0.3kW, 75% lower than SCB13
Noise Level	50-60 dB, suitable for general industrial and commercial scenarios	35-45 dB, lower noise, more suitable for sensitive environments
Initial Purchase Cost	Higher cost-effectiveness, lower investment cost	15%-25% higher than SCB13 (due to the higher cost of amorphous alloy materials)
Applicable Capacity Range	100kVA-2500kVA, covering small and medium-sized power needs	100kVA and above, more suitable for large power systems and high-load scenarios
Safety and Stability	Moderate heat generation, excellent insulation performance, and meets national safety standards	Lower heat generation, lower fire risk, and stronger tolerance to short-term overloads

SCB13 & SCBH15 Application Scenarios

The core principle of selection is "scenario adaptation." Combining the performance characteristics of the two products, the optimal choice for different industries and scenarios is clear:

SCB13 Dry-type Transformer: Cost-effective Choice for Conventional Scenarios

With its advantages of "Level 1 energy efficiency + high cost-effectiveness," the SCB13 is suitable for most conventional scenarios with basic energy-saving requirements and limited budgets, especially:

• Industrial Sector: Small and medium-sized chemical industrial parks, machine processing plants, garment factories, and other factories with continuous production but small load fluctuations;

• Commercial Buildings: Large shopping malls, office buildings, hotels, and other daily power supply scenarios;

• Public Facilities: Township hospitals, ordinary schools, community service centers, and other places with basic power distribution needs;

• New Energy Support: Small photovoltaic power stations, energy storage projects (smaller load scale, less stringent energy-saving requirements).

Case Study: A small machinery processing plant in Jiangsu Province purchased a clht power 1250kVA SCB13 dry-type transformer to replace its original inefficient transformer. This resulted in annual electricity savings of approximately 8000 kWh. Combined with local electricity prices, this translates to nearly 6000 yuan in electricity cost savings per year, fully meeting the company's compliance and energy-saving requirements.

SCBH15 Dry-Type Transformer: Preferred for High Energy-Saving Scenarios

While the initial cost of the SCBH15 is slightly higher, its advantages of low loss, low noise, and high stability enable it to generate greater economic benefits in long-term operation. It is particularly suitable for scenarios with extremely high requirements for energy conservation, environmental protection, and stability:

• New Energy Sector: Large-scale photovoltaic power plants, wind power projects, centralized energy storage power stations (long 24-hour low-load operation time, high no-load loss ratio, highlighting energy-saving advantages);

• Special Industrial Scenarios: Semiconductor manufacturing plants, precision instrument processing plants (strict requirements for power supply stability and noise control);

• Sensitive Environments: Residential substations, high-end hospitals, research laboratories (low noise and low heat generation better meet environmental requirements);

• High-Load Scenarios: Large data centers, rail transit support (large load fluctuations, extremely high requirements for transformer tolerance and energy-saving performance).

Case Study: A 100MW photovoltaic power station in Inner Mongolia selected the Chuanglian Huitong 2000kVA SCBH15 dry-type transformer. Actual measurements showed that the annual no-load loss of a single transformer was only 864 kWh, saving approximately 7776 kWh compared to the same capacity SCB13. Based on the local industrial electricity price of 0.8 yuan/kWh, this translates to annual electricity cost savings exceeding 6200 yuan, recovering the initial cost difference in just 1.5 years.

Two Tips to Select SCB13 & SCBH15

Consider the Long-Term Benefits: If the transformer's annual operating time exceeds 3000 hours, and low-load operation (no-load/light-load) accounts for a high proportion, prioritize the SCBH15, as the long-term energy savings far outweigh the initial cost difference. If the annual operating time is short, the load is stable, and it operates at full load, the SCB13 offers better value.

Considering both environment and capacity: For harsh environments such as high altitude, high temperature, and high humidity, or large-scale power distribution needs exceeding 2500kVA, the SCBH15 is the preferred choice due to its superior stability and environmental adaptability with its amorphous alloy core. For conventional environments and small to medium capacity needs, the SCB13 is perfectly adequate.

CLHT Power Transformer Advantages

Clht power  SCB13 and SCBH15 series fully comply with the GB20052-2024 Level 1 energy efficiency standard and possess multiple core advantages: 

① Ample stock of all specifications; standard models ship within 3 days, customized models within 7-15 days; 

② Vacuum impregnation and fully sealed structure design, with an IP43 protection rating, suitable for complex environments such as dust and humidity; 

③ Both have passed CTQC national transformer quality certification, with a 2-year warranty and lifetime maintenance.

Conclusion

SCB13 is suitable for general scenarios and customers seeking high cost-effectiveness; SCBH15 is suitable for scenarios with extremely high requirements for energy saving and stability, such as new energy sources, sensitive environments, and high loads. If you are still unsure which model to choose for your specific scenario, please visit our website to view detailed product parameters, or call our hotline [fill in your company's contact number]. Our professional technical team will provide a free, precise selection solution based on your load data, usage environment, budget, etc.