Product Description:
The S11-M-30~2500kVA/20-10 fully sealed oil-immersed transformer by Jiangsu Xinhong Electrical Equipment Co., Ltd. is meticulously engineered for AC 50Hz applications, with rated voltages of 10kV and 20kV. Designed to power industries such as petroleum, metallurgy, chemical, textile, and light industrial sectors, this transformer is the ideal choice for environments with significant dust accumulation, delivering unwavering reliability and performance.
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; |
Introducing our cutting-edge, energy-efficient oil-immersed power transformer. This advanced product, developed by Jiangsu Xinhong Electrical Equipment Co., Ltd., incorporates the latest technological innovations to ensure unparalleled performance. Our fully sealed design guarantees exceptional benefits for our valued customers, making it an indispensable asset to your operation.
Our oil-immersed transformers are distinguished by their low loss and high efficiency. Through meticulous engineering, we have minimized energy wastage, enabling our transformers to deliver outstanding savings in power consumption. This makes them the perfect solution for energy-conscious businesses. By opting for our transformers, companies can significantly reduce their carbon footprint while achieving substantial cost savings over time.
Beyond energy conservation, our oil-immersed transformers are enhanced with features that optimize their performance. They are engineered to function with minimal noise, thanks to advanced insulation materials and expert construction techniques, ensuring a tranquil and agreeable work environment.
Our fully sealed transformers are crafted with moisture and fire prevention in mind. By eliminating oil storage tanks, we enhance safety and reliability. The corrugated plates' elasticity adjusts for oil volume changes, avoiding air exposure and mitigating oil degradation and insulation aging. This innovative design extends the transformer's lifespan and reduces maintenance needs, thus cutting costs and boosting operational efficiency.
Investing in our oil-immersed transformers assures customers of acquiring top-tier products that adhere to the highest industry standards. Crafted from superior materials and subjected to stringent testing, our transformers guarantee optimal performance and durability. We are committed to providing exceptional products that consistently exceed customer expectations.
Our series of oil-immersed transformers represents a remarkable breakthrough in energy-efficient transformation technology. Featuring low loss, high efficiency, and resistance to moisture and fire, our transformers provide extensive advantages across numerous industries. By choosing our products, customers can achieve significant energy savings and reduce environmental impact while enjoying enhanced reliability and operational efficiency. Discover the excellence of our energy-efficient oil-immersed transformers-a decision 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 |
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Certificates:

FAQ:
1. Are you a trading company or manufacturer?
We are a distinguished professional factory with over ten years of expertise, specializing in high and low voltage switchgears, substations, transformers, and a diverse array of electrical equipment, including vacuum circuit breakers and load break switches.
Our factory is honored to be the leading supplier for the prestigious State Grid Corporation of China, known for our unmatched quality and dependability.
2. Do you accept customized services?
We offer exceptional OEM/ODM services, allowing you to personalize your products with your branding. Our proficient technical and quotation teams are committed to delivering tailored solutions that meet your specific needs, ensuring complete satisfaction.
3. What is your MOQ?
Our minimum order quantity (MOQ) is as low as 1 piece, ensuring flexibility to cater to all your requirements.
4. How long is your delivery lead time?
Delivery lead times are dependent on your precise needs and order size. Generally, we offer a swift turnaround of 5 to 10 working days.
5. How do you solve quality problems?
To effectively resolve any quality concerns, we kindly request that you provide us with detailed photographs of the issue. Our committed technical and quality assurance teams will swiftly perform a comprehensive analysis, ensuring that we deliver an exceptional and satisfactory solution to you within an astonishingly short timeframe of just 2 days.
6. What are your payment terms?
We kindly request a 30% T/T deposit to be made in advance, with the remaining 70% due prior to shipment. For your convenience, we also accommodate payments through West Union and Letters of Credit (L/C).