Dry-type transformers are power conversion equipment where the iron core and windings are not immersed in insulating oil, using air or solid insulating materials (epoxy resin, Nomex® , etc.) as the main insulating medium. They are core power distribution equipment for scenarios with high requirements for safety, environmental protection and reliability, such as high-rise buildings, hospitals, data centers, industrial parks and new energy supporting facilities.
Relying on advanced technologies such as epoxy resin vacuum casting and amorphous alloy iron core, the products fully meet the requirements of GB 20052-2024 "Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Power Transformers", covering the full spectrum of Level 1 (NX1), Level 2 (NX2) and Level 3 energy efficiency. With the characteristics of low loss, low noise, maintenance-free and long service life, they provide all-dimensional support for the safe and stable operation of the power system.
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Model Series
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Energy Efficiency Level
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Core Features
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Applicable Scenarios
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|---|---|---|---|
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SCB Series
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Level 1/Level 2/Level 3
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Epoxy resin casting, copper foil winding, low loss
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Commercial complexes, industrial parks, high-rise buildings
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SGB Series
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Class H Insulation
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Nomex® insulation material, high heat resistance, strong heat dissipation
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High temperature and high load working conditions, harsh environments
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SCBH Series
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Level 1 Energy Efficiency (Amorphous)
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Amorphous alloy iron core, no-load loss reduced by 70%
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High energy-consuming enterprises, new energy grid connection
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Parameter Item
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Standard Range
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Technical Highlights
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|---|---|---|
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No-Load Loss
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Complies with GB 20052-2024 Level 1/Level 2/Level 3 limit values
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Amorphous alloy models reduce by 70%-80% with significant energy-saving effect
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Load Loss (75℃)
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Matching the model standard
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Copper foil winding with low loss, low interlayer voltage and strong overvoltage bearing capacity
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Short-Circuit Impedance
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4%-6%
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Match the system short-circuit capacity on demand to effectively limit short-circuit current
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Temperature Rise Limit
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Winding Class F ≤ 100K (≤ 140℃ at 40℃ ambient temperature)
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Iron core temperature rise ≤ 80K, multi-dimensional temperature control ensures stability
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Partial Discharge
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≤ 10pC
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Optimized by vacuum casting process with excellent insulation performance
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Noise Level
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≤ 55dB (1000kVA AN type)
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45° full oblique joint iron core + low-noise design, suitable for sensitive scenarios
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Dry-type transformers are power conversion equipment where the iron core and windings are not immersed in insulating oil, using air or solid insulating materials (epoxy resin, Nomex® , etc.) as the main insulating medium. They are core power distribution equipment for scenarios with high requirements for safety, environmental protection and reliability, such as high-rise buildings, hospitals, data centers, industrial parks and new energy supporting facilities. Relying on advanced technologies such as epoxy resin vacuum casting and amorphous alloy iron core, the products fully meet the requirements of GB 20052-2024 "Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Power Transformers", covering the full spectrum of Level 1 (NX1), Level 2 (NX2) and Level 3 energy efficiency. With the characteristics of low loss, low noise, maintenance-free and long service life, they provide all-dimensional support for the safe and stable operation of the power system.
Dry-type transformers are power conversion equipment where the iron core and windings are not immersed in insulating oil, using air or solid insulating materials (epoxy resin, Nomex® , etc.) as the main insulating medium. They are core power distribution equipment for scenarios with high requirements for safety, environmental protection and reliability, such as high-rise buildings, hospitals, data centers, industrial parks and new energy supporting facilities. Relying on advanced technologies such as epoxy resin vacuum casting and amorphous alloy iron core, the products fully meet the requirements of GB 20052-2024 "Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Power Transformers", covering the full spectrum of Level 1 (NX1), Level 2 (NX2) and Level 3 energy efficiency. With the characteristics of low loss, low noise, maintenance-free and long service life, they provide all-dimensional support for the safe and stable operation of the power system.
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