High Efficiency Planar Wound Core Transformers from China Suppliers - Factory Direct Solutions for Energy Savings
Product Specification
Basic Information
| Item | Specification |
| Product Model | Example: S22-M-100/10 (S=Three-Phase; 22=Top Efficiency Class; 100=kVA; 10=HV kV) |
| Rated Capacity（Sn） | 30kVA~2500kVA |
| Phase/Frequency | Three-Phase; 50Hz/60Hz (±1% tolerance) |
| Connection Group | Dyn11 (standard) |
| Core Structure | Three-phase three-limb wound core (inner-outer frame winding) |
Operating Conditions
| Parameter | Details |
| Ambient Temperature | -25℃~40℃ (optional -40℃ with anti-freeze) |
| Altitude | ≤1000m (5% derating at 1500m) |
| Humidity | ≤90% @25℃ (no condensation) |
| Protection Class | IP23 (outdoor) / IP20 (indoor) |
| Service Life | 20 years (normal maintenance) |
Losses & Impedance (S13-100/10 Example)
| Parameter | Value | Test Condition |
| No-Load Loss (Po) | ≤120W (S22 class) | Rated voltage/frequency |
| Load Loss (Pk) | ≤1140W | Rated current, 75℃ |
| Impedance (Uk%) | 4%~5% | 75℃, ±10% tolerance |
| No-Load Current (Io%) | ≤0.8% | Rated voltage |
Example S22-100/10 Key Specs
| Item | Value |
| Rated Capacity | 100kVA |
| HV/LV Voltage/Current | 10kV/5.77A; 0.4kV/144.3A |
| No-Load/Load Loss | ≤120W / ≤1140W |
| Short-Circuit Impedance | 4.5% |
| Core Material | 30Q130 Silicon Steel |
⚙️ Customization available for special voltages, high-altitude, or explosion-proof requirements. All parameters verified by third-party labs.
Advantages
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1. Ultra-High Energy Efficiency
Adopting advanced winding technology, it achieves an energy efficiency of up to 98%, significantly reducing energy loss. This cuts users' operational costs substantially in long-term use and meets energy-saving and consumption-reduction requirements.
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2. Compact & Space-Saving
With an exquisite structural design, it has a smaller volume, which can flexibly fit into various installation scenarios such as industrial workshops and power distribution rooms. It saves limited site space and simplifies layout planning.
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3. Stable Performance & Durability
It features excellent electrical stability and is paired with high-insulation-strength materials, effectively resisting interference like voltage fluctuations. Moreover, it has a long service life, reducing the frequency of maintenance and replacement and ensuring continuous equipment operation.
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4. Strong Adaptability
It supports customized specifications based on customers' personalized needs such as power, voltage, and installation method. It can accurately match different application scenarios including power distribution, industrial equipment, and new energy systems, meeting diverse usage requirements.
Product Display
Application
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1. Top-Tier Energy Efficiency
Leverages advanced winding craftsmanship to reach an impressive 98% efficiency, minimizing energy waste drastically. This not only slashes long-term operational costs for users but also aligns with global energy-saving and emission-reduction standards.
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2. Compact & Space-Efficient
Boasts a streamlined structural design with a smaller footprint, enabling flexible installation in industrial workshops, power distribution rooms, and other spaces. It optimizes the use of limited site area and simplifies overall layout planning.
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3. Stable Performance & Longevity
Delivers reliable electrical performance, paired with high-insulation-strength materials that effectively withstand voltage fluctuations and other disturbances. Its extended service life reduces maintenance and replacement frequency, ensuring uninterrupted equipment operation.
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4. High Customizability
Offers tailored specifications (e.g., power, voltage, installation mode) to match customers' unique needs, perfectly adapting to power distribution systems, industrial machinery, and new energy setups, thus meeting diverse application demands.
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Frequently Asked Questions
Q What is the rated capacity range of this three-phase distribution transformer?
The transformer supports a rated capacity range of 30kVA to 2500kVA, making it suitable for a wide variety of commercial, industrial, and utility-scale power distribution applications.
Q What energy efficiency level does this transformer achieve?
This transformer adopts the S22 top efficiency class with advanced winding technology, achieving up to 98% energy efficiency. The no-load loss is ≤120W and load loss is ≤1140W for the 100kVA model, significantly reducing long-term operational energy costs.
Q Can this transformer be used in outdoor or high-altitude environments?
Yes. The transformer supports an ambient temperature range of -25℃ to 40℃ (with optional -40℃ anti-freeze configuration), an altitude of up to 1000m standard (with 5% derating at 1500m), and offers IP23 protection class for outdoor installation.
Q Is customization available for special voltage or installation requirements?
Absolutely. Customization is available for special voltages, high-altitude environments, explosion-proof requirements, and various installation modes. All customized parameters are verified by third-party laboratories to ensure compliance and reliability.
Q What is the expected service life of this transformer?
Under normal maintenance conditions, the transformer is designed for a service life of 20 years. Its high-insulation-strength materials and robust construction effectively resist voltage fluctuations and minimize the need for frequent maintenance or replacement.
Q What is the standard connection group and core structure of this transformer?
The standard connection group is Dyn11, which is widely used in distribution networks for its balanced performance and neutral point availability. The core uses a three-phase three-limb wound structure with inner-outer frame winding, utilizing 30Q130 silicon steel for superior magnetic efficiency.