Product Description:
The S11-M-30~2500kVA/20-10 fully sealed oil-immersed transformer is an exceptional solution for your AC 50Hz power distribution needs. Designed for rated working voltages of 10kV, 20kV and below, this transformer is perfect for a variety of industries, including petroleum, metallurgy, chemical, textile, and light industry. It excels in environments with high dust levels, offering unparalleled efficiency and reliability for your distribution system.
Product Parameters:
 |
Iron core
The core is cold rolled silicon steel sheet with high permeability magnetic grain orientation. The iron core is a core type iron core, the full oblique joint stacking type iron core, the iron core column is a multi-step circular cross-section, the iron bar and the iron core are equal cross-section.
winding
The winding adopts corrugated oil channel, no paint dipping process, and tight tape binding; The windings are concentric coils: the high voltage winding has a tap required for the tap voltage, which is led to the tap switch, the switch is installed on the box cover, and the voltage transfer of 10kV and 20KV can be achieved after the power is cut off, and the tap voltage is changed.
Safety protection device
30~2000kVA transformer equipped with pressure relief valve:
Gas relays with alarm and tripping terminals can be installed according to user requirements; |
We proudly introduce our state-of-the-art, energy-efficient oil-immersed transformer, featuring unparalleled design and advanced technology crafted by Jiangsu Xinhong Electrical Equipment Co., Ltd. This cutting-edge, fully sealed transformer offers our customers remarkable performance and numerous advantages, setting new standards in the industry.
Our oil-immersed transformers are engineered to deliver exceptional low loss and high efficiency, a testament to our meticulous design and technological prowess. By significantly reducing energy waste, these transformers offer substantial savings in power consumption, making them the ideal choice for energy-conscious customers. Opt for our transformers to embrace sustainability, reduce your carbon footprint, and unlock impressive cost savings over time.
Beyond energy conservation, our oil-immersed transformers are packed with impressive features to enhance performance. They operate with minimal noise, thanks to sophisticated insulation materials and refined construction techniques, ensuring a serene and productive work environment. Experience the tranquility and efficiency that our transformers bring to your operations.
Our fully sealed transformers are ingeniously designed to resist moisture and fire risks. By dispensing with oil storage tanks, we've enhanced safety and reliability. The tank's corrugated plates adapt elastically to oil volume changes, preventing air contact, thus mitigating oil degradation and insulation aging. This innovative approach extends the transformer's lifespan and reduces maintenance needs, offering you cost savings and operational excellence.
Choosing our oil-immersed transformers means investing in superior quality that adheres to the highest industry standards. Crafted from premium materials and subjected to rigorous testing, our transformers guarantee top-tier performance and durability. We are committed to exceeding customer expectations by delivering products that define excellence.
In conclusion, our oil-immersed transformer series embodies a revolutionary leap in energy-efficient power transformation technology. With features such as low loss, high efficiency, and resistance to moisture and fire, our transformers provide an extensive array of advantages across diverse industries. Opt for our transformers to achieve energy savings, reduce environmental impact, and enjoy enhanced reliability and efficiency. Discover the transformative power of our energy-efficient solutions today.
Technical Parameters:
Rated capacity (kVA) |
High voltage(KV) |
Voltage Combination |
Connective group label |
No-load loss(KW) |
Load loss
(KW) |
No-load current(%) |
Short circuit impedance (%) |
Weight (KG) |
High pressure tap range |
Low voltage(KV) |
Weight of oil |
Total weight |
30 |
20/10 |
±5*2.5%
±2*2.5% |
0.4 |
Dyn11 |
0.09 |
0.66 |
2.1 |
5.5 |
180 |
420 |
50 |
0.13 |
0.96 |
2.0 |
150 |
495 |
63 |
0.15 |
1.145 |
1.9 |
170 |
560 |
80 |
0.18 |
1.37 |
1.8 |
190 |
635 |
100 |
0.2 |
1.65 |
1.6 |
215 |
710 |
125 |
0.24 |
1.98 |
1.5 |
250 |
840 |
160 |
0.29 |
2.42 |
1.4 |
285 |
945 |
200 |
0.33 |
2.86 |
1.3 |
340 |
1125 |
250 |
0.4 |
3.35 |
1.2 |
390 |
1295 |
315 |
0.48 |
4.01 |
1.1 |
445 |
1475 |
400 |
0.57 |
4.73 |
1.0 |
515 |
1712 |
500 |
0.68 |
5.66 |
1.0 |
6.0 |
460 |
1995 |
630 |
0.81 |
6.82 |
0.9 |
565 |
2450 |
800 |
0.98 |
8.25 |
0.9 |
635 |
2765 |
1000 |
1.15 |
11.33 |
0.7 |
840 |
3650 |
1250 |
1.35 |
13.2 |
0.7 |
970 |
4220 |
1600 |
1.63 |
15.95 |
0.6 |
1105 |
4800 |
2000 |
1.95 |
19.14 |
0.6 |
1205 |
5240 |
2500 |
2.34 |
22.22 |
0.5 |
1300 |
5650 |
Factory Scene:
Certificates:

FAQ:
1. Are you a trading company or manufacturer?
We are a distinguished leader in manufacturing, boasting a decade of expertise in high and low voltage switchgears, substations, transformers, and other electrical equipment like vacuum circuit breakers and load break switches, ensuring superior quality and innovation.
Our factory is renowned as the top supplier to the esteemed State Grid Corporation of China, a testament to our unwavering commitment to unparalleled quality and reliability.
2. Do you accept customized services?
We offer outstanding OEM/ODM services, with the flexibility to brand products with your logo. Our expert technical and quotation teams are ready to tailor solutions to your exact specifications, ensuring complete satisfaction and a perfect fit for your business needs.
3. What is your MOQ?
Our minimum order quantity (MOQ) is an accommodating 1 piece, designed to meet all your unique requirements with ease and flexibility.
4. How long is your delivery lead time?
Our delivery timelines adapt to your specific needs and order quantities. Typically, expect efficient and timely delivery within 5 to 10 working days, ensuring minimal downtime and prompt service.
5. How do you solve quality problems?
In the rare event of quality concerns, please provide detailed photographs. Our dedicated technical and quality assurance teams will perform a comprehensive analysis and deliver a satisfactory resolution within an impressive 2-day timeframe, reaffirming our commitment to excellence.
6. What are your payment terms?
Our payment terms provide flexibility and security for our partners: We require a 30% T/T deposit upfront to initiate the order, with the remaining 70% to be settled before shipment. To accommodate various preferences, we also accept payments via West Union and Letters of Credit (L/C), ensuring a smooth and convenient transaction process.