Henan Hengyu Electric Group Co., Ltd.









10kV, S series oil-immersed three-dimensional rolled iron core distribution transformer
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Key Words:
10kV, S series oil-immersed three-dimensional rolled iron core di
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Product Model Meaning
model number | S | □ | - | M | R | L | - | □ | / | □ |
number meaning | three-phase (physics) | Performance Level Designator |
| fully sealed | coiled iron core | three-dimensional |
| Rated Capacity |
| Voltage Class |
Product Overview
Fully sealed oil-immersed transformer is suitable for AC 50Hz, rated working voltage 10KV and below in the power system, as a petroleum, metallurgy, chemical industry, textile, light industry and other enterprises and dusty places of the distribution transformer.
Core Advantages
1. High-efficiency three-dimensional magnetic circuit design
Adopting 27ZH100 cold rolled silicon steel sheet, three-phase three-column three-dimensional symmetrical structure, the magnetic circuit is the shortest and completely balanced, the magnetic resistance is extremely low.
Triangular rolled iron core without joints, vacuum annealed to eliminate stress, maximum filling factor, excellent electromagnetic performance.
2. Strong heat dissipation safety winding
Copper core winding adopts corrugated oil channel + tight tape tying process, no paint immersion design for better heat dissipation; High-voltage tap changer operates with power off, regulation is safe and reliable.
3. Fully sealed corrugated fuel tanks
Corrugated wall oil tank with both heat dissipation and elastic compensation function, vacuum oil injection to isolate moisture, no oil storage cabinet design, anti-oxidation and maintenance-free, long oil life.
4. Intelligent protection and monitoring
Multiple safety protection: 80~1600kVA standard with pressure relief valve, optional gas relay (alarm/trip function).
Precise temperature control system: the whole system is equipped with oil immersion thermometer as standard, and more than 1000kVA is equipped with outdoor signal thermometer to monitor the oil temperature in real time.
Product Highlights
Compact and efficient structure: three-dimensional rolled iron core reduces no-load loss, smaller size, suitable for complex scenes.
Ultra-long maintenance-free cycle: fully sealed and air-isolated, no need for regular oil sample testing, very low operation and maintenance costs.
Strong environmental adaptability: corrugated tank anti-corrosion spraying, resistance to temperature fluctuations, prolonging the life of the equipment.
Product Certificate
Transformer Workshop

10kV, S series oil-immersed three-dimensional rolled iron core distribution transformer | |||||||||||||
quantitative (science) (kVA) |
voltage combination | group number |
No-load loss (W) |
Load Loss (W) |
No-load current (%) |
Short Circuit Impedance (%) |
body weight (kg) |
Oil weight (kg) |
total weight (kg) |
Overall dimensions (cm) |
|||
High voltage (kV) |
Low Voltage (kV) |
L | W | H | |||||||||
30 | 10±5% 10±2×2.5% | 0.4 | Dyn11 Yzn11 Yyn0 | 80 | 630 600 |
0.30 | 4 | 178 | 113 | 377 | 1028 | 682 | 1199 |
50 | 100 | 910 600 |
0.24 | 4 | 236 | 111 | 435 | 1025 | 683 | 1224 | |||
80 | 130 | 1310 1250 |
0.22 | 4 | 313 | 146 | 553 | 1096 | 722 | 1314 | |||
100 | 150 | 1580 1500 |
0.21 | 4 | 356 | 148 | 607 | 1096 | 722 | 1334 | |||
160 | 200 | 2310 2200 |
0.19 | 4 | 484 | 185 | 797 | 1080 | 935 | 1441 | |||
200 | 240 | 2730 2600 |
0.18 | 4 | 556 | 228 | 937 | 1109 | 960 | 1444 | |||
250 | 290 | 3200 3050 |
0.17 | 4 | 655 | 263 | 1091 | 1196 | 1036 | 1457 | |||
315 | 340 | 3830 3650 |
0.16 | 4 | 769 | 274 | 1269 | 1276 | 1105 | 1467 | |||
400 | 410 | 4520 4300 |
0.16 | 4 | 896 | 323 | 1437 | 1306 | 1131 | 1542 | |||
500 | 480 | 5410 5100 |
0.16 | 4 | 1044 | 433 | 1872 | 1483 | 1284 | 1592 | |||
630 | 570 | 6200 | 0.15 | 4.5 | 1352 | 414 | 2085 | 1395 | 1210 | 1649 | |||
800 | 700 | 7500 | 0.15 | 4.5 | 1613 | 496 | 2481 | 1526 | 1321 | 1711 | |||
1000 | 830 | 10300 | 0.14 | 4.5 | 1703 | 656 | 3000 | 1717 | 1487 | 1726 | |||
1250 | 970 | 12000 | 0.13 | 4.5 | 2065 | 702 | 3449 | 1711 | 1482 | 1829 | |||
1600 | 1170 | 14500 | 0.12 | 4.5 | 2592 | 1045 | 4459 | 1880 | 1628 | 1938 |
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