11kV Dry Type Transformer – Energy Saving, Fire Safe, Global Universal Certified
This 11kV dry type transformer is tailored for global mainstream 11kV power grid systems, widely adopted in Southeast Asia, Africa, the Middle East and rural & urban distribution networks. With low loss, full fire safety and global standard compliance, it delivers high stability and cost performance for global industrial, commercial and civil power supply projects.
Why Choose Our 11kV Three-phase Epoxy Cast Dry Distribution Transformer?
• High pressure copper tape winding – Flame retardant formula, vacuum pouring
• Low pressure copper foil winding – Thermosetting epoxy prepreg cloth insulation
• High quality iron core – 45° full oblique joint step laminated structure
• Made of cold rolled grain oriented silicon steel sheet with mineral oxide insulation
• Precision cutting and stacking minimizes loss, no-load current, and noise
• Class F or Class H core paint prevents corrosion and rust
• High quality copper foil with thermosetting epoxy prepreg cloth insulation
• Excellent insulation resistance and radial stress resistance against short circuit
• Tinned copper bar outgoing terminal
• Oven heated to 140°C for 4 hours – excellent industrial gas corrosion resistance
• Insulated copper wire with Hengfengyou Electric patented technology
• Small volume: linear voltage gradient from top to bottom
• Large capacity: tape winding technology
• Extremely low electric field between adjacent conductors
• Reliable structure during operation and transportation
• Copper tape + copper foil winding, flame retardant vacuum casting
• 45° full oblique joint core – low loss, low noise
• Thermosetting epoxy insulation – Class F/H available
• Strong short circuit withstand and industrial gas corrosion resistance
• OEM customized solutions available
Company Advantages – Built for Global Buyers
• Certifications |CB, CCC, KEMA, SASO, and more |
• Quality System | SQA management – guaranteed consistency |
• Fast Response | Quick quote + electrical design support |
• Delivery | Short lead time, worldwide shipping |
• After-Sales | Complete service system |
• Customization | OEM/ODM – factory visit welcome |
| 额定容量Capacity | 额定电压及分接范围Rated voltage&Off-load tapping | 联结组标号 Vector GroupSymbol |
空载损耗 NO-load loss(W) |
负载损耗 Load loss(W) F级绝缘 |
空载电流 NO-load current(%) |
短路阻抗Short circuit impedance(%) |
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| 高压 H.V(kv) |
高压分接范围 High pressure Tap range(%) |
低压 L.V(kv) |
||||||||
| 30 | 11 10.5 10 6.6 6.3 6 |
±5% ±2.5% |
0.4 0.69 |
Dyn11 Yyn0 |
150 | 710 | 2 | 4 | ||
| 50 | 215 | 1000 | 2 | 4 | ||||||
| 80 | 295 | 1380 | 1.5 | 4 | ||||||
| 100 | 320 | 1570 | 1.5 | 4 | ||||||
| 125 | 375 | 1850 | 1.3 | 4 | ||||||
| 160 | 430 | 2130 | 1.3 | 4 | ||||||
| 200 | ±5% ±2x2.5% |
495 | 2530 | 1.1 | 4 | |||||
| 250 | 575 | 2760 | 1.1 | 4 | ||||||
| 315 | 705 | 3470 | 1 | 4 | ||||||
| 400 | 785 | 3990 | 1 | 4 | ||||||
| 500 | 930 | 4880 | 1 | 4 | ||||||
| 630 | 1070 | 5880 | 0.85 | 4 | ||||||
| 630 | 1040 | 5960 | 0.85 | 6 | ||||||
| 800 | 1215 | 6960 | 0.85 | 6 | ||||||
| 1000 | 1415 | 8130 | 0.85 | 6 | ||||||
| 1250 | 1670 | 9100 | 0.85 | 6 | ||||||
| 1600 | 1960 | 11700 | 0.85 | 6 | ||||||
| 2000 | 2440 | 14400 | 0.7 | 6 | ||||||
| 2500 | 2880 | 17100 | 0.7 | 6 | ||||||










Qingdao Hengfengshuai Electric Co., Ltd
WhatsApp: +86 152 6625 8801
Address: No. 251, Xingyang Road, Chengyang District, Qingdao, Shandong
Email: hfs@hengfengshuai.com
Customer service email: service@hengfengshuai.com
website:https://www.hengfengshuai.com