Product Description:
Introducing the S11-M-30~2500kVA/20-10 fully sealed oil-immersed transformer, a marvel of engineering excellence. Perfectly crafted for AC 50Hz systems with rated working voltages of 10kV, 20kV, and below, this transformer serves as an indispensable asset for industries spanning petroleum, metallurgy, chemical, textile, and light industry sectors, along with environments subjected to heavy dust. Elevate your distribution transformer needs with our robust and reliable solution.
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 unparalleled energy efficiency with our innovative oil-immersed transformer. Born from Jiangsu Xinhong Electrical Equipment Co., Ltd.'s commitment to cutting-edge technology, this fully sealed transformer delivers superior performance and a myriad of advantages, setting new benchmarks in power transformation.
Our oil-immersed transformers are champions of low loss and high efficiency. Through meticulous engineering, we have minimized energy waste, translating to substantial power savings. Ideal for energy-conscious customers, these transformers help businesses lower their carbon footprint while achieving significant long-term cost efficiencies. Choose our energy-efficient transformers and embark on a journey towards sustainable growth and financial savings.
Beyond energy savings, our oil-immersed transformers boast an impressive range of performance-enhancing features. Engineered for minimal noise output, these transformers utilize advanced insulation materials and superior construction techniques, ensuring a serene and productive work environment.
Our fully sealed transformers are fortified with moisture and fire resistance. By forgoing oil storage tanks, we elevate safety and reliability standards. Corrugated plate elasticity within the tank compensates for oil volume changes, preventing air exposure and reducing oil degradation and insulation aging. This groundbreaking design extends transformer lifespan and decreases maintenance needs, which in turn optimizes operational efficiency and reduces costs.
Investing in our oil-immersed transformers guarantees access to high-quality products that adhere to rigorous industry standards. Crafted from superior materials and subjected to comprehensive testing, our transformers promise peak performance and durability. We are dedicated to exceeding customer expectations by delivering exceptional products.
In summary, our oil-immersed transformer series signifies a leap forward in energy-efficient power transformation. With attributes such as low loss, high efficiency, and resistance to moisture and fire, our transformers offer manifold benefits to various industries. By selecting our transformers, businesses enjoy considerable energy savings, reduced pollution, and enhanced reliability and operational efficiency. Embrace the future with our energy-efficient oil-immersed transformers-a trusted ally in power transformation.
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 stand as a prestigious professional factory with over ten years of expertise, specializing in the production of high and low voltage switchgears, substations, transformers, and an extensive range of electrical equipment, including vacuum circuit breakers and load break switches.
Our factory takes pride in being the leading supplier for the renowned State Grid Corporation of China, ensuring unmatched quality and reliability.
2. Do you accept customized services?
We offer outstanding OEM/ODM services, allowing you to personalize your products with your own branding. Our skilled technical and quotation teams are devoted to tailoring solutions that match your specifications and parameters, guaranteeing complete satisfaction.
3. What is your MOQ?
Our minimum order quantity (MOQ) is as low as 1 piece, providing accessibility for all your requirements.
4. How long is your delivery lead time?
Our delivery timelines are tailored to your specific needs and order size. Typically, expect a delivery turnaround of 5 to 10 working days.
5. How do you solve quality problems?
In order to swiftly address any quality concerns that may arise, we kindly request you to supply comprehensive photographic evidence. With this valuable information in hand, our dedicated technical and quality assurance teams will carry out an exhaustive evaluation and deliver an exceptional and satisfactory resolution within an impressive timeframe of just 2 days.
6. What are your payment terms?
Our payment terms are designed to provide flexibility and assurance. We require a 30% T/T deposit upfront to secure your order, with the remaining 70% balance due prior to shipment. For your convenience, we also offer the option of payment through West Union and Letters of Credit (L/C), ensuring a seamless transaction experience.