Product Description:
Introducing the S11-M-30~2500kVA/20-10 Fully Sealed Oil-Immersed Transformer, meticulously crafted to operate seamlessly within AC 50Hz power systems, boasting rated working voltages of 10kV, 20kV, and below. This robust transformer is the prime solution for sectors such as petroleum, metallurgy, chemicals, textiles, and light industries, especially in environments with significant dust accumulation.
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; |
Discover the future of energy efficiency with our latest advancement: the Oil Immersed Transformer. Developed with precision by Jiangsu Xinhong Electrical Equipment Co., Ltd., this fully sealed powerhouse merges cutting-edge technology with outstanding functionality, delivering unmatched performance and remarkable benefits, elevating your energy management to new heights.
Our oil-immersed transformers shine with their low loss and high efficiency. Engineered with meticulous attention to detail, they drastically minimize energy wastage, translating into substantial power consumption savings. Embodying sustainability, our transformers empower businesses to shrink their carbon footprint and achieve impressive long-term cost reductions.
Our transformers not only save energy but also boast an impressive suite of features that optimize their performance. Designed to operate quietly, they utilize advanced insulation materials and professional construction techniques, ensuring a serene and comfortable environment. Experience the harmony of efficiency and serenity with our innovative transformers.
Designed with safety at the forefront, our fully sealed transformers excel in moisture and fire prevention. By eliminating oil storage tanks, we've significantly enhanced safety and reliability. The innovative corrugated plate design adjusts to oil volume changes, preventing air contact, minimizing oil deterioration, and extending insulation lifespan. This pioneering design enhances transformer longevity, cuts maintenance costs, and boosts operational efficiency.
When choosing our oil-immersed transformers, customers are guaranteed premier products that meet the highest industry standards. Manufactured with top-tier materials and subjected to stringent testing, our transformers promise exceptional performance and durability. Our steadfast commitment to excellence ensures our products consistently exceed customer expectations.
In essence, our oil-immersed transformers signify a revolutionary step in energy-efficient power transformation technology. With features like low loss, high efficiency, and robust moisture and fire resistance, they offer substantial benefits across diverse industries. Choose our transformers to unlock significant energy savings, reduce environmental impact, and enjoy elevated reliability and operational efficiency. Experience transformational power with our energy-efficient oil-immersed transformers-your trusted partner for sustainable energy solutions.
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 |
Shipping:

Factory Scene:

Certificates:

FAQ:
1. Are you a trading company or manufacturer?
We are a distinguished professional factory with a decade of expertise, specializing in the production of high and low voltage switchgears, substations, transformers, and a diverse range of electrical equipment, including vacuum circuit breakers and load break switches.
Our factory proudly serves as the premier supplier for the esteemed State Grid Corporation of China, a testament to our unparalleled quality and reliability.
2. Do you accept customized services?
We offer exceptional OEM/ODM services, with the flexibility to customize and brand your products with your logo. Our expert technical and quotation teams are devoted to crafting tailored solutions that meet your specific parameters, ensuring complete satisfaction.
3. What is your MOQ?
Our minimum order quantity (MOQ) is just 1 piece, ensuring accessibility for all your diverse needs.
4. How long is your delivery lead time?
Delivery timelines are tailored to your specific requirements and order volume. Typically, you can anticipate a swift turnaround of 5 to 10 working days.
5. How do you solve quality problems?
To swiftly and effectively resolve any quality issues, we kindly request that you provide detailed photographs. These will enable our dedicated, highly skilled technical and quality assurance teams to conduct an in-depth analysis. Rest assured, we are committed to delivering a satisfactory solution promptly, with a guaranteed turnaround time of just 2 days.
6. What are your payment terms?
Our payment terms are designed for flexibility and convenience. We require a 30% T/T deposit in advance to secure your order, with the remaining 70% payable before shipment. Additionally, we accept payments via West Union and Letters of Credit (L/C), catering to your preferred method of transaction.