Product Description:
Introducing our S11-M-30~2500kVA/20-10 fully sealed oil-immersed transformer, meticulously engineered for unmatched performance in AC 50Hz power systems with rated working voltages of 10kV, 20kV, and below. Perfectly suited for sectors like petroleum, metallurgy, chemical, textile, and light industry, as well as high dust environments, this distribution transformer stands as a pillar of 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 proudly unveil our latest innovation in energy-efficient power solutions-the cutting-edge oil-immersed transformer, a fully sealed marvel developed by Jiangsu Xinhong Electrical Equipment Co., Ltd. Utilizing the pinnacle of technological advancements, this transformer delivers unparalleled performance and offers a multitude of advantages to our discerning clientele.
Experience the transformative power of our oil-immersed transformers, renowned for their low loss and exceptional efficiency. Through precision engineering and sophisticated design, we've curtailed energy wastage, providing substantial reductions in power consumption. Our transformers are an ideal choice for energy-conscious enterprises, enabling them to significantly diminish their carbon footprint while enjoying cost-effective operations in the long term.
Beyond energy savings, our oil-immersed transformers boast a plethora of features enhancing overall performance. Meticulously crafted to operate with minimal noise, these transformers utilize advanced insulation materials and professional construction techniques, ensuring a serene, noise-free working atmosphere.
Our fully sealed transformers are uniquely designed for moisture and fire prevention, eliminating the necessity for oil storage tanks and bolstering safety and reliability. The innovative corrugated plate design compensates for oil volume fluctuations and minimizes air contact, safeguarding against oil degradation and insulation wear. This revolutionary approach extends the transformer's lifespan, reduces maintenance demands, and elevates operational efficiency-saving you costs and enhancing productivity.
Investing in our portfolio of oil-immersed transformers assures customers of acquiring superior products that align with the highest industry benchmarks. Crafted from premium materials and subjected to stringent testing, our transformers guarantee optimal durability and performance. We are committed to exceeding customer expectations by delivering products of exceptional quality and reliability.
In summary, our oil-immersed transformer series marks a groundbreaking advancement in energy-efficient power transformation technology. With features like low loss, high efficiency, and resistance to moisture and fire, these transformers offer an array of benefits to businesses across diverse industries. Choosing our transformers means achieving significant energy savings, pollution reduction, and enhanced reliability and operational efficiency. Discover the exceptional difference with our energy-efficient oil-immersed transformers-a choice you can trust.
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 professional factory with a decade of expertise, specializing in high and low voltage switchgears, substations, transformers, and a variety of electrical equipment such as vacuum circuit breakers and load break switches.
Our factory proudly stands as the premier supplier for the esteemed State Grid Corporation of China, delivering unparalleled quality and reliability.
2. Do you accept customized services?
We provide exceptional OEM/ODM services and offer the flexibility to brand your products with your logo. Our expert technical and quotation teams are dedicated to crafting a solution that meets your specifications and parameters, ensuring utmost satisfaction.
3. What is your MOQ?
Our minimum order quantity (MOQ) is just 1 piece, making it accessible for all your needs.
4. How long is your delivery lead time?
Delivery timelines are contingent on your specific requirements and order volume. Typically, you can expect a turnaround of 5 to 10 working days.
5. How do you solve quality problems?
To resolve quality issues, please provide detailed photographs. Our dedicated technical and quality assurance teams will conduct a thorough analysis and deliver a satisfactory solution within just 2 days.
6. What are your payment terms?
To facilitate seamless transactions and ensure mutual confidence, we require a 30% T/T (Telegraphic Transfer) deposit upfront. The remaining 70% is to be settled prior to shipment. Additionally, for your convenience, we are open to accepting payments through West Union and Letters of Credit (L/C). This flexible approach caters to diverse financial preferences and ensures a smooth business experience.