Products Description
The fully sealed transformer adopts the fully oil-filled sealed type. The corrugated tank shell is a permanently sealed tank with its elasticity adapting to the expansion of oil, can adapt to a variety of outdoor harsh environment, which has been widely used in various power distribution equipment.
The product is stable, reliable, economic, environmental protection. It can be applied to many places such as power plants, transformer substation, large industrial mining and petrochemical enterprise and so on.
Product Parameters
S11-M-30~3150/10 oil immersed transformer main technical parameters
Rated capacity
(KVA) |
Voltage combination |
Connection group label |
No-load loss
(W) |
On-Load loss
(W) 75℃ |
No-load electricity
(%) |
Short-circuit impedance
(%) |
| High voltage (KV) |
High voltage tap off scope |
Low voltage (KV) |
| 30 |
6
6.3
10 |
±5%
±2×2.5% |
0.4 |
Yyn0/Dyn11 |
100 |
600 |
2.1 |
4.0 |
| 50 |
130 |
870 |
2.0 |
| 63 |
140 |
1040 |
1.9 |
| 80 |
150 |
1250 |
1.8 |
| 100 |
200 |
1500 |
1.6 |
| 125 |
240 |
1800 |
1.5 |
| 160 |
290 |
2200 |
1.4 |
| 200 |
330 |
2600 |
1.3 |
| 250 |
400 |
3050 |
1.2 |
| 315 |
480 |
3650 |
1.1 |
| 400 |
570 |
4300 |
1.0 |
| 500 |
680 |
5150 |
1.0 |
| 630 |
810 |
6200 |
0.9 |
4.5 |
| 800 |
980 |
7500 |
0.8 |
| 1000 |
1150 |
10300 |
0.7 |
| 1250 |
1360 |
12000 |
0.6 |
| 1600 |
1640 |
14500 |
0.6 |
| 2000 |
1980 |
17400 |
0.5 |
| 2500 |
2310 |
20240 |
0.5 |
| 3150 |
2730 |
23760 |
0.5 |
⚠️ Note: The data in the table is subject to change without prior notice, and the product is subject to delivery.
Frequently Asked Questions
🔷 What are the advantages of a fully sealed oil-immersed transformer?
A fully sealed transformer uses a fully oil-filled sealed type configuration. Its corrugated tank shell permanently seals the system, with corrugated elasticity adapting natively to oil expansion. This design completely isolates the transformer oil from atmospheric air, preventing moisture ingress and oil degradation.
🔷 Where can the S11-M series transformers be deployed?
Thanks to its rugged, permanently sealed structure, this product is highly adaptable to a variety of harsh outdoor environments. It is extensively applied in power distribution networks, transformer substations, power plants, large industrial mining centers, and petrochemical enterprises.
🔷 Does this transformer series require frequent oil maintenance?
Because it features a permanently sealed corrugated tank layout that prevents oxidation and external contamination of the cooling medium, maintenance intervals are significantly extended compared to traditional conservator-type transformers, providing stable and economic continuous operations.
🔷 What packaging standard is used for international delivery?
All transformers are packed securely using premium Wooden Box Packaging. This ensures full protection from physical impact, vibration, and environmental factors during long-distance maritime or overland transportation.
🔷 Are the technical specifications mentioned in the parameters table fixed?
As indicated, the specifications and engineering data within the parameter tables are subject to continuous technical updates and change without prior notice. Final technical validation is confirmed upon actual product delivery specifications.
Pirooz Power
