Product Description:
Introducing the S11-M-30~2500kVA/20-10 fully sealed oil-immersed transformer, meticulously crafted for optimal performance in AC 50Hz power systems with rated voltages of 10kV or 20kV. This versatile transformer excels in diverse settings, from petroleum and metallurgy to chemical and textile industries, as well as light industry sectors and large dust-prone environments. It stands as a pinnacle of energy distribution engineering, ensuring unparalleled reliability and efficiency.
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 are thrilled to unveil our groundbreaking energy-efficient power transformer, the oil-immersed transformer. This state-of-the-art creation is a testament to our company's commitment to innovation, featuring a fully sealed design that leverages advanced technology to deliver exceptional performance and a multitude of benefits to our valued customers.
Our oil-immersed transformers are a marvel of efficiency, offering robust performance with low loss and high efficiency. Through meticulous design and engineering, we have minimized energy wastage, facilitating substantial savings in power consumption. This makes our transformers an ideal choice for energy-conscious businesses, allowing them to cut down on their carbon footprint while reaping significant cost savings over time. Opt for our energy-efficient transformers for an eco-friendly and economical solution.
Beyond energy conservation, our oil-immersed transformers boast a suite of features that enhance their performance. Engineered to operate quietly, they employ advanced insulation and construction techniques to ensure minimal noise output, promoting a serene and efficient working environment. Experience the quiet power of our expertly designed transformers.
Our fully sealed transformers are a beacon of safety and reliability, designed to ward off moisture and fire hazards. By eliminating the need for traditional oil storage tanks, we enhance transformer safety. The innovative corrugated plate elasticity compensates for oil volume fluctuations, preventing air contact and minimizing oil degradation and insulation aging. This cutting-edge design extends the transformer's lifespan and reduces maintenance frequency, translating to significant cost savings and operational efficiency.
Investing in our oil-immersed transformers assures customers of acquiring products that align with the highest industry standards. Crafted from top-tier materials and subjected to rigorous testing, our transformers promise unmatched performance and durability. We are dedicated to surpassing customer expectations with products that exemplify quality, reliability, and excellence.
In summary, our oil-immersed transformer series marks a significant advancement in energy-efficient power transformation technology. Featuring low loss, high efficiency, and resistance to both moisture and fire, our transformers offer a host of advantages to industries across various sectors. Choose our transformers for substantial energy savings, reduced emissions, and enhanced reliability and operational efficiency. Discover the transformative power of our energy-efficient oil-immersed transformers-a choice you can depend on.
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 leading professional factory with over a decade of expertise, specializing in high and low voltage switchgears, substations, transformers, and an extensive range of electrical equipment including vacuum circuit breakers and load break switches.
Our factory holds the esteemed distinction of being the premier supplier to the State Grid Corporation of China, consistently delivering unmatched quality and reliability.
2. Do you accept customized services?
We offer outstanding OEM/ODM services with the flexibility to personalize your products with your branding. Our skilled technical and quotation teams are devoted to creating a tailored solution that meets your specific needs, ensuring complete satisfaction.
3. What is your MOQ?
Our minimum order quantity (MOQ) is just 1 piece, ensuring accessibility for all orders.
4. How long is your delivery lead time?
Delivery lead times are determined by your specific order requirements and volume. Generally, expect a turnaround time of 5 to 10 working days.
5. How do you solve quality problems?
To promptly address any quality concerns, we kindly request you to supply detailed photographs. Our dedicated technical and quality assurance teams are committed to conducting an exhaustive analysis, ensuring that you receive a satisfactory resolution within an impressive timeframe of just 2 days.
6. What are your payment terms?
We operate with a flexible and secure payment structure, requiring a 30% T/T deposit upfront, followed by the remaining 70% prior to shipment. Additionally, we accommodate various payment methods, including West Union and Letters of Credit (L/C), for your convenience.