English
Our dry-type transformer can be cooled using either natural air cooling (AN) or forced air cooling (AF). When operated under natural air cooling, the transformer can run continuously at its rated capacity for extended periods. However, when operated under forced air cooling, the output capacity of the transformer can be increased by up to 50%. This makes it suitable for intermittent overload operation or emergency overload situations. It is important to note that prolonged continuous overload operation should be avoided as it can lead to increased load losses and impedance voltage amplification, resulting in non-economic operation.
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SCB-13
SNTOOM
The 3000kVA Outdoor Dry Transformer is a specialized power device designed exclusively for outdoor installation in high-traffic commercial areas such as shopping centers. Unlike traditional oil-immersed transformers, it adopts air-cooling technology, which eliminates the risks of oil leakage and environmental contamination—fully complying with the strict safety and environmental regulations applicable to commercial zones.
Built with the SNTOOM brand’s commitment to quality, this transformer features a robust outer casing that resists rain, dust, and temperature variations, ensuring consistent performance even in harsh outdoor environments. Its rated capacity of 3000kVA is perfectly matched to the power demands of large shopping centers, which require uninterrupted electricity for lighting systems, HVAC (heating, ventilation, and air conditioning) units, elevators, escalators, and individual tenant stores. The SCB-13 model further enhances usability by integrating advanced winding structures and cooling systems, which minimize energy loss and extend the transformer’s service life, ultimately lowering long-term operational costs for commercial operators.
Parameter | Details |
Model Number | SCB-13 |
Rated Capacity | 3000kVA |
Cooling Method | Natural Air Cooling (AN) / Forced Air Cooling (AF) |
Winding Configuration Options | Conventional core-wound windings; Epoxy resin with quartz sand filling; Glass fiber reinforced epoxy resin casting (thin insulation structure); Multi-strand glass fiber impregnated epoxy resin winding |
Typical Rated Voltage | 10kV (High Voltage) / 0.4kV (Low Voltage) [compliant with global commercial power grid standards] |
Operating Frequency | 50Hz (compatible with most regional commercial power systems) |
Brand | SNTOOM |
Primary Application | Outdoor power distribution for shopping centers, large retail complexes, and commercial plazas |
Manufacturer | Zhejiang Shuntong Electric Co., Ltd. |
Production Origin | Liushi Town, Yueqing City, Wenzhou, Zhejiang Province, China |
High Voltage Winding Structure | Multi-layer cylindrical or multi-layer segmented design (for stable high-voltage performance) |
The transformer is equipped with two cooling modes to accommodate fluctuating load demands, striking a balance between energy efficiency and performance:
Natural Air Cooling (AN): Under normal operating conditions, the transformer relies on natural air circulation to maintain optimal temperature, allowing continuous operation at its full 3000kVA rated capacity. This mode generates minimal noise and consumes no additional energy, making it ideal for daily, steady-load scenarios in shopping centers (e.g., regular business hours).
Forced Air Cooling (AF): When power demand surges—such as during peak shopping periods (weekends, holidays) or increased HVAC usage in extreme weather—AF mode activates built-in fans to enhance heat dissipation. This mode can boost the transformer’s output capacity by up to 50% (temporarily reaching 4500kVA), ensuring it handles intermittent overloads or emergency power needs without disrupting operations.
Important Note: Prolonged continuous operation in AF mode is not recommended, as it may lead to higher load losses and increased impedance voltage, resulting in non-economic energy consumption.
To meet the rigorous safety and durability requirements of outdoor commercial use, the SCB-13 transformer offers four specialized winding configurations, each optimized for specific performance needs:
Conventional Core-Wound Windings: A proven, reliable design that ensures stable current flow and low electrical resistance. This option is suitable for basic commercial power distribution needs where simplicity and cost-effectiveness are priorities.
Epoxy Resin with Quartz Sand Filling: Windings are encapsulated in epoxy resin mixed with quartz sand, significantly enhancing insulation performance and mechanical strength. This design protects against moisture and dust infiltration—critical for outdoor installations exposed to the elements.
Glass Fiber Reinforced Epoxy Resin Casting (Thin Insulation Structure): A compact design that uses thin, high-grade glass fiber reinforced epoxy resin for casting. This structure improves thermal stability, reducing the risk of insulation breakdown caused by temperature changes and extending the transformer’s overall service life.
Multi-Strand Glass Fiber Impregnated Epoxy Resin Winding: This configuration uses multiple strands of glass fiber soaked in epoxy resin for winding. The multi-strand design prevents resin cracking during the casting process, further enhancing the equipment’s reliability and resistance to outdoor wear.
Weather-Resistant Enclosure: The transformer’s outer casing is constructed from corrosion-resistant materials, with protection against rain, dust, and extreme temperatures (operating range: -20°C to 40°C). This ensures year-round, uninterrupted operation in various outdoor environments.
Stable High-Voltage Winding: The high-voltage winding adopts a multi-layer cylindrical or segmented structure, which distributes voltage evenly and reduces electrical stress. This design guarantees stable performance even when the transformer is operating at full 3000kVA load, minimizing the risk of power outages—a critical advantage for shopping centers, where downtime can lead to lost revenue and customer dissatisfaction.
The 3000kVA Outdoor Dry Transformer (Model: SCB-13) is primarily engineered for shopping centers, but its versatility and durability make it suitable for a range of high-demand commercial and public outdoor spaces, including:
Large Shopping Malls & Retail Complexes: Provides consistent power for essential systems such as lighting, elevators, escalators, HVAC units, and individual store operations. Its ability to handle peak-load surges ensures uninterrupted service during busy periods (e.g., sales events, holiday shopping).
Commercial Plazas: Supports mixed-use commercial spaces that combine retail, food courts, and office areas. The transformer’s outdoor design eliminates the need for indoor installation space, while its oil-free structure complies with fire safety standards for crowded areas.
Outdoor Retail Zones: Ideal for open-air shopping districts, seasonal markets, or suburban commercial strips where indoor transformer installation is impractical. Its weather-resistant build and low noise operation make it suitable for areas adjacent to pedestrian zones.
The transformer’s dry-type, oil-free design is a key advantage for commercial applications, as it eliminates the fire hazards associated with oil-immersed transformers and reduces environmental impact—aligning with the sustainability goals of modern shopping centers.
AN mode uses natural air flow to cool the transformer, enabling continuous operation at the full 3000kVA capacity with low noise and zero extra energy use. It is best suited for regular, steady-load scenarios (e.g., weekday business hours when foot traffic is moderate). AF mode, however, uses fans to boost cooling, increasing capacity by up to 50% for short periods. This mode is designed for temporary surges—such as weekend shopping peaks or extreme weather (when HVAC systems work harder)—but should not be used continuously, as it raises energy costs and load losses.
Yes. The transformer is built for outdoor durability, with a weather-resistant enclosure that protects against rain, dust, and temperature extremes (operating range: -20°C to 40°C). Its winding configurations—such as epoxy resin encapsulation—also resist moisture and corrosion, making it suitable for regions with high humidity, frequent rain, or large daily temperature swings. For areas with more severe weather (e.g., heavy snow, strong winds), Zhejiang Shuntong Electric Co., Ltd. offers customized protective accessories (e.g., snow shields, wind barriers) to enhance performance.
Dry-type transformers require significantly less maintenance than oil-immersed models, making them cost-effective for shopping centers. For the 3000kVA SCB-13 model, routine maintenance includes:
The 3000kVA Outdoor Dry Transformer is a specialized power device designed exclusively for outdoor installation in high-traffic commercial areas such as shopping centers. Unlike traditional oil-immersed transformers, it adopts air-cooling technology, which eliminates the risks of oil leakage and environmental contamination—fully complying with the strict safety and environmental regulations applicable to commercial zones.
Built with the SNTOOM brand’s commitment to quality, this transformer features a robust outer casing that resists rain, dust, and temperature variations, ensuring consistent performance even in harsh outdoor environments. Its rated capacity of 3000kVA is perfectly matched to the power demands of large shopping centers, which require uninterrupted electricity for lighting systems, HVAC (heating, ventilation, and air conditioning) units, elevators, escalators, and individual tenant stores. The SCB-13 model further enhances usability by integrating advanced winding structures and cooling systems, which minimize energy loss and extend the transformer’s service life, ultimately lowering long-term operational costs for commercial operators.
Parameter | Details |
Model Number | SCB-13 |
Rated Capacity | 3000kVA |
Cooling Method | Natural Air Cooling (AN) / Forced Air Cooling (AF) |
Winding Configuration Options | Conventional core-wound windings; Epoxy resin with quartz sand filling; Glass fiber reinforced epoxy resin casting (thin insulation structure); Multi-strand glass fiber impregnated epoxy resin winding |
Typical Rated Voltage | 10kV (High Voltage) / 0.4kV (Low Voltage) [compliant with global commercial power grid standards] |
Operating Frequency | 50Hz (compatible with most regional commercial power systems) |
Brand | SNTOOM |
Primary Application | Outdoor power distribution for shopping centers, large retail complexes, and commercial plazas |
Manufacturer | Zhejiang Shuntong Electric Co., Ltd. |
Production Origin | Liushi Town, Yueqing City, Wenzhou, Zhejiang Province, China |
High Voltage Winding Structure | Multi-layer cylindrical or multi-layer segmented design (for stable high-voltage performance) |
The transformer is equipped with two cooling modes to accommodate fluctuating load demands, striking a balance between energy efficiency and performance:
Natural Air Cooling (AN): Under normal operating conditions, the transformer relies on natural air circulation to maintain optimal temperature, allowing continuous operation at its full 3000kVA rated capacity. This mode generates minimal noise and consumes no additional energy, making it ideal for daily, steady-load scenarios in shopping centers (e.g., regular business hours).
Forced Air Cooling (AF): When power demand surges—such as during peak shopping periods (weekends, holidays) or increased HVAC usage in extreme weather—AF mode activates built-in fans to enhance heat dissipation. This mode can boost the transformer’s output capacity by up to 50% (temporarily reaching 4500kVA), ensuring it handles intermittent overloads or emergency power needs without disrupting operations.
Important Note: Prolonged continuous operation in AF mode is not recommended, as it may lead to higher load losses and increased impedance voltage, resulting in non-economic energy consumption.
To meet the rigorous safety and durability requirements of outdoor commercial use, the SCB-13 transformer offers four specialized winding configurations, each optimized for specific performance needs:
Conventional Core-Wound Windings: A proven, reliable design that ensures stable current flow and low electrical resistance. This option is suitable for basic commercial power distribution needs where simplicity and cost-effectiveness are priorities.
Epoxy Resin with Quartz Sand Filling: Windings are encapsulated in epoxy resin mixed with quartz sand, significantly enhancing insulation performance and mechanical strength. This design protects against moisture and dust infiltration—critical for outdoor installations exposed to the elements.
Glass Fiber Reinforced Epoxy Resin Casting (Thin Insulation Structure): A compact design that uses thin, high-grade glass fiber reinforced epoxy resin for casting. This structure improves thermal stability, reducing the risk of insulation breakdown caused by temperature changes and extending the transformer’s overall service life.
Multi-Strand Glass Fiber Impregnated Epoxy Resin Winding: This configuration uses multiple strands of glass fiber soaked in epoxy resin for winding. The multi-strand design prevents resin cracking during the casting process, further enhancing the equipment’s reliability and resistance to outdoor wear.
Weather-Resistant Enclosure: The transformer’s outer casing is constructed from corrosion-resistant materials, with protection against rain, dust, and extreme temperatures (operating range: -20°C to 40°C). This ensures year-round, uninterrupted operation in various outdoor environments.
Stable High-Voltage Winding: The high-voltage winding adopts a multi-layer cylindrical or segmented structure, which distributes voltage evenly and reduces electrical stress. This design guarantees stable performance even when the transformer is operating at full 3000kVA load, minimizing the risk of power outages—a critical advantage for shopping centers, where downtime can lead to lost revenue and customer dissatisfaction.
The 3000kVA Outdoor Dry Transformer (Model: SCB-13) is primarily engineered for shopping centers, but its versatility and durability make it suitable for a range of high-demand commercial and public outdoor spaces, including:
Large Shopping Malls & Retail Complexes: Provides consistent power for essential systems such as lighting, elevators, escalators, HVAC units, and individual store operations. Its ability to handle peak-load surges ensures uninterrupted service during busy periods (e.g., sales events, holiday shopping).
Commercial Plazas: Supports mixed-use commercial spaces that combine retail, food courts, and office areas. The transformer’s outdoor design eliminates the need for indoor installation space, while its oil-free structure complies with fire safety standards for crowded areas.
Outdoor Retail Zones: Ideal for open-air shopping districts, seasonal markets, or suburban commercial strips where indoor transformer installation is impractical. Its weather-resistant build and low noise operation make it suitable for areas adjacent to pedestrian zones.
The transformer’s dry-type, oil-free design is a key advantage for commercial applications, as it eliminates the fire hazards associated with oil-immersed transformers and reduces environmental impact—aligning with the sustainability goals of modern shopping centers.
AN mode uses natural air flow to cool the transformer, enabling continuous operation at the full 3000kVA capacity with low noise and zero extra energy use. It is best suited for regular, steady-load scenarios (e.g., weekday business hours when foot traffic is moderate). AF mode, however, uses fans to boost cooling, increasing capacity by up to 50% for short periods. This mode is designed for temporary surges—such as weekend shopping peaks or extreme weather (when HVAC systems work harder)—but should not be used continuously, as it raises energy costs and load losses.
Yes. The transformer is built for outdoor durability, with a weather-resistant enclosure that protects against rain, dust, and temperature extremes (operating range: -20°C to 40°C). Its winding configurations—such as epoxy resin encapsulation—also resist moisture and corrosion, making it suitable for regions with high humidity, frequent rain, or large daily temperature swings. For areas with more severe weather (e.g., heavy snow, strong winds), Zhejiang Shuntong Electric Co., Ltd. offers customized protective accessories (e.g., snow shields, wind barriers) to enhance performance.
Dry-type transformers require significantly less maintenance than oil-immersed models, making them cost-effective for shopping centers. For the 3000kVA SCB-13 model, routine maintenance includes:
