01
20-35KV SCB Series Epoxy Resin Dry-Type Transformer
Product Application
This transformer is specifically engineered for use in a wide range of important facilities, providing reliable and efficient power distribution. Its compact size and maintenance-free design make it ideal for installation in high-density load centers, ensuring seamless integration into various applications.
Product Advantages
● Flame retardant, fireproof, and explosion-proof properties ensure safety in diverse operating conditions.
● Minimal maintenance requirements and absence of pollution contribute to long-term cost savings and environmental sustainability.
● Intelligent temperature control system with fault alarms, over-temperature protection, and RS485 serial interface for centralized monitoring enhance operational efficiency and safety.
● Superior heat dissipation, low partial discharge, and reduced noise levels ensure optimal performance and longevity.
Product features
● High-quality cold-rolled silicon steel core with fully mitered joints and F-class non-woven banding for reduced no-load losses and noise.
● Insulation resin coating on the core surface for moisture and rust resistance, enhancing overall appearance and durability.
● Vacuum impregnated epoxy resin for high-voltage windings, improving electrical strength and mechanical integrity.
● Foil-type structure for low-voltage windings, addressing axial spiral angle issues and enhancing coil balance.
● Axial cooling ducts and DMD epoxy resin pre-impregnated materials for enhanced heat dissipation and structural stability.
In conclusion, the 20-35KV Epoxy Resin Dry Type Transformer stands out as a reliable, efficient, and technologically advanced solution for critical power distribution needs. Its innovative design, exceptional performance, and comprehensive safety features make it an ideal choice for a wide range of applications, ensuring seamless and sustainable power supply in diverse environments.
Temperature control system and Air cooling system
Cross-flow top-blown cooling fan is adopted,which has the characteristics of low
noise,high wind pressure and beautiful appearance,and enhances the overload
capacity of transformer.The temperature control adopts intelligent temperature
controller,which improves the safety and reliability of transformer operation.
Protection shell
Protection shell for transformer for further safety protection,protection grade IP20,
IP23,etc.,shell material with cold rolled steel plate,stainless steel plate for users
to choose.
Copper busbar outlet mode
Conventional outlet,standard closed bus and standard side outlet can be manufactured according to different interface forms,and special outlet mode can also be designed according to user requirements
Implementation Standards
GB/T10228 GB/T1094.11
JB/T10088 GB4208 GB20052 IEC60076
Model and meaning
Technical parameter
Technical parameters of SC(B)10 series 20kV non-excitation distribution dry-type transformer
| Rated capacity kV.A |
Voltage combination and tap range |
Connection group | No-load loss kW |
Load loss at different insulation system temperatures kW |
No-load current % |
Short-circuit impedance % |
||||
| High voltage kV | High voltage tap range % | Low voltage kV | 130℃(B)(100℃) | 155℃(F)(120℃) | 180℃(H)(145℃) | |||||
| 50 | 20 22 24 | ±2×2.5 ±5 | 0.4 | Dyn11 Yyn0 | 0.34 | 1.16 | 1.23 | 1.31 | 2.0 | 6.0 |
| 100 | 0.54 | 1.87 | 1.99 | 2.13 | 1.8 | |||||
| 160 | 0.67 | 2.33 | 2.47 | 2.64 | 1.5 | |||||
| 200 | ±2×2.5 ±5 | 0.730 | 2.77 | 2.94 | 3.14 | 1.5 | ||||
| 250 | 0.840 | 3.22 | 3.42 | 3.66 | 1.3 | |||||
| 315 | 0.970 | 3.85 | 4.08 | 4.36 | 1.3 | |||||
| 400 | 1.15 | 4.65 | 4.84 | 5.18 | 1.1 | |||||
| 500 | 1.35 | 5.46 | 5.79 | 6.19 | 1.1 | |||||
| 630 | 1.53 | 6.45 | 6.84 | 7.32 | 1.0 | |||||
| 800 | 1.75 | 7.79 | 8.26 | 8.84 | 1.0 | |||||
| 1000 | 2.07 | 9.22 | 9.78 | 10.4 | 0.85 | |||||
| 1250 | 2.38 | 10.8 | 11.5 | 12.3 | 0.85 | |||||
| 1600 | 2.79 | 13.0 | 13.8 | 14.8 | 0.85 | |||||
| 2000 | 3.24 | 15.4 | 16.3 | 17.5 | 0.7 | |||||
| 2500 | 3.87 | 18.2 | 19.3 | 20.7 | 0.7 | |||||
| 2000 | 3.24 | 16.8 | 17.8 | 19.1 | 0.7 | 8.0 | ||||
| 2500 | 3.87 | 20.0 | 21.2 | 22.7 | 0.7 | |||||
Note
1.The load loss listed in the table is the value of the reference temperature (GB/T1094.1)of different insulation systems in parentheses. The load loss of other insulation systems not included in the table shall be converted according to the reference temperature of the insulation system at 155℃(F)
2.This table is suitable for 20kV and 10kV dual voltage interchange transformer
Technical parameters of SC(B)11 series 20kV dry-type distribution transformer without excitation and voltage regulation.
| Rated capacity kV.A | Voltage combination kV | Connection group | No-load losS kW |
Load loss under different insulation heat resistance grades (kW) |
No-load current % |
Short-circuit impedance % |
||||
| High voltage kV |
High voltage tap range % |
LOW voltage kV | B(100℃) | F(120℃) | H(145℃) | |||||
| 50 | 20 22 24 | ±2×2.5 ±5 | 0.4 | Dyn11 Yyn0 | 0.310 | 1.16 | 1.23 | 1.31 | 2.0 | 6.0 |
| 100 | 0.480 | 1.87 | 1.99 | 2.13 | 1.8 | |||||
| 160 | 0.600 | 2.33 | 2.47 | 2.64 | 1.5 | |||||
| 200 | ±2×2.5 ±5 | 0.650 | 2.77 | 2.94 | 3.14 | 1.5 | ||||
| 250 | 0.750 | 3.22 | 3.42 | 3.66 | 1.3 | |||||
| 315 | 0.870 | 3.85 | 4.08 | 4.36 | 1.3 | |||||
| 400 | 1.03 | 4.65 | 4.84 | 5.18 | 1.1 | |||||
| 500 | 1.21 | 5.46 | 5.79 | 6.19 | 1.1 | |||||
| 630 | 1.38 | 6.45 | 6.84 | 7.32 | 1.0 | |||||
| 800 | 1.57 | 7.79 | 8.26 | 8.84 | 1.0 | |||||
| 1000 | 1.86 | 9.22 | 9.78 | 10.4 | 0.85 | |||||
| 1250 | 2.14 | 10.8 | 11.5 | 12.3 | 0.85 | |||||
| 1600 | 2.51 | 13.0 | 13.8 | 14.8 | 0.85 | |||||
| 2000 | 2.92 | 15.4 | 16.3 | 17.5 | 0.7 | |||||
| 2500 | 3.48 | 18.2 | 19.3 | 20.7 | 0.7 | |||||
| 2000 | 2.92 | 16.8 | 17.8 | 19.1 | 0.7 | 8.0 | ||||
| 2500 | 3.48 | 20.0 | 21.2 | 22.7 | 0.7 | |||||
Note
1.The load loss listed in the table is the value of the reference temperature (GB/T1094.1)of different insulation systems in parentheses. The load loss of other insulation systems not included in the table shall be converted according to the reference temperature of the insulation system at 155°C(F)
2.This table is suitable for 20kV and 10kV dual voltage interchange transformer
Technical parameters of SC(B)12 series 20kV dry-type distribution transformer without excitation and voltage regulation.
| Rated capacity kV.A | Voltage combination kV | Connection group | No-load OSS kW |
Load loss under different insulation heat resistance grades (kW) |
No-load current % |
Short-circuit impedance % |
||||
| High voltage kV |
High voltage tap range % |
Low voltage kV | B(100℃) | F(120℃) | H(145℃) | |||||
| 50 | 20 22 24 | ±2×2.5 ±5 | 0.4 | Dyn11 Yyn0 | 0.27 | 1.16 | 1.23 | 1.31 | 2.0 | 6.0 |
| 100 | 0.43 | 1.87 | 1.99 | 2.13 | 1.8 | |||||
| 160 | 0.53 | 2.33 | 2.47 | 2.64 | 1.5 | |||||
| 200 | ±2×2.5 ±5 | 0.58 | 2.77 | 2.94 | 3.14 | 1.5 | ||||
| 250 | 0.67 | 3.22 | 3.42 | 3.66 | 1.3 | |||||
| 315 | 0.77 | 3.85 | 4.08 | 4.36 | 1.3 | |||||
| 400 | 0.92 | 4.65 | 4.84 | 5.18 | 1.1 | |||||
| 500 | 1.08 | 5.46 | 5.79 | 6.19 | 1.1 | |||||
| 630 | 1.22 | 6.45 | 6.84 | 7.32 | 1.0 | |||||
| 800 | 1.4 | 7.79 | 8.26 | 8.84 | 1.0 | |||||
| 1000 | 1.65 | 9.22 | 9.78 | 10.4 | 0.85 | |||||
| 1250 | 1.90 | 10.8 | 11.5 | 12.3 | 0.85 | |||||
| 1600 | 2.23 | 13.0 | 13.8 | 14.8 | 0.85 | |||||
| 2000 | 2.59 | 15.4 | 16.3 | 17.5 | 0.7 | |||||
| 2500 | 3.10 | 18.2 | 19.3 | 20.7 | 0.7 | |||||
| 2000 | 2.59 | 16.8 | 17.8 | 19.1 | 0.7 | 8.0 | ||||
| 2500 | 3.10 | 20.0 | 21.2 | 22.7 | 0.7 | |||||
Note
1.The load loss listed in the table is the value of the reference temperature (GB/T1094.1)of different insulation systems in parentheses. The load loss of other insulation systems not included in the table shall be converted according to the reference temperature of the insulation system at 155°C(F)
2.This table is suitable for 20kV and 10kV dual voltage interchange transformer