Product Description



Oil Immersed Series Transformer:
Introducing the extraordinary S11-M series, a fully sealed oil-immersed power transformer meticulously engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This distinguished transformer boasts remarkable attributes, ensuring minimal energy consumption, low operational noise, and outstanding efficiency. As a symbol of exemplary energy solutions, it significantly reduces environmental pollution. In a groundbreaking departure from conventional oil-immersed models, this sophisticated transformer eliminates the need for an oil conservator. Its advanced design autonomously accommodates oil volume shifts through the flexibility of the corrugated oil tank, effectively shielding the transformer from air exposure. This cutting-edge feature not only prevents oil degradation and retards insulation aging but also dramatically enhances operational reliability, all while abolishing the necessity for maintenance during routine operations.
1. Power Capacity: Ranges from 25-2500KVA, with versatile options for 24KV, 30KV, 33KV, 35KV, 36KV, and customizable specifications to meet diverse customer needs 2. Voltage Level: Available at 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Offered in both Off-circuit or On-load variations
4. Tapping Range: Elegantly configurable at ±5%, 2x2.5%, or ±4x2.5%
5. Frequency: Flexible options for either 50Hz or 60Hz
6. Phases: Available in both Three-phase and single-phase configurations
7. Connection Symbol: Offered as Dyn11, Yyn0, with bespoke customization options as required
8. Short-circuit Impedance: Expertly designed with Standard Impedance
9. Operational Conditions: Optimally suitable for altitudes not exceeding 1000m and ambient temperatures below 40°C. If deviations occur, adjustments in parameters will follow esteemed industry protocols.
All necessary adjustments will be meticulously executed in absolute alignment with industry standards.
Power Capacity: Spanning an impressive range from 25-2500KVA
Voltage Levels: Encompassing expansive options at 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Seamlessly available in both Off-circuit and On-load options
Tapping Range: Gracefully offered at ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Available in the adaptable modes of 50Hz or 60Hz
Phases: Providing versatile options including Three-phase or single-phase
Connection Symbol: Elegantly configurable as Dyn11, Yyn0, with tailor-made customization options available upon request
Short-circuit Impedance: Skillfully engineered with Standard Impedance
Operational Conditions: Expertly designed for altitudes not exceeding 1000m, with ambient temperatures not exceeding 40°C
In cases where conditions differ, we will perform comprehensive parameter adjustments in stringent adherence to standard guidelines.
This fully sealed oil-immersed power transformer, a pinnacle of innovation from Chaotai Power, is crafted for ultra-low energy loss, whisper-quiet operation, and extraordinary efficiency. It stands as an unparalleled energy-saving solution, dramatically curtailing pollution.
Unlike conventional oil-immersed transformers, this fully sealed design adeptly manages oil volume variations with the elasticity of the corrugated oil tank sheet, ensuring the transformer remains untainted by air exposure. This pivotal feature not only prevents oil degradation and insulation aging but also significantly boosts reliability and eradicates the need for routine maintenance.
Product Parameters
Oil immersed transformer product parameters |
Rated capacity kVA |
Voltage combination |
NO-load loss W |
Load loss W |
No-load current% |
Short-circuit |
HV (KV ) |
HV tapping range |
LV (KV) |
Connection symbol |
Impedance |
30 |
6.3kV
10.5kV
11kV
13.2kV
13.8kV
15kV |
±2
× 2.5%;
Or ±5% |
0.4 |
Dyn11 or Yyn0 |
90 |
660 |
2.1 |
5.5 |
50 |
130 |
960 |
2 |
63 |
150 |
1145 |
1.9 |
80 |
180 |
1370 |
1.8 |
100 |
200 |
1650 |
1.6 |
125 |
240 |
1980 |
1.5 |
160 |
290 |
2420 |
1.4 |
200 |
330 |
2860 |
1.3 |
250 |
400 |
3350 |
1.2 |
315 |
480 |
4010 |
1.1 |
400 |
570 |
4730 |
1 |
500 |
680 |
5660 |
1 |
630 |
810 |
6820 |
0.9 |
6 |
800 |
980 |
8250 |
0.8 |
1000 |
1150 |
11300 |
0.7 |
1250 |
1350 |
13200 |
0.7 |
1600 |
1630 |
15950 |
0.6 |
2000 |
1950 |
19140 |
0.6 |
2500 |
2340 |
22200 |
0.6 |
Main product
Company Profile

Zhejiang Chaotai Complete Equipment Co., Ltd. stands as a luminary in the world of electrical integration, a paragon of advanced technology and inventive genius. Esteemed as a high-tech powerhouse, our company is marked by our exceptional R&D, production, and service teams, all fortified by over 15 years of profound industry mastery. This steadfast dedication to excellence solidifies our stature as innovation pioneers, consistently setting new industry standards.
Our comprehensive and cutting-edge product range features trailblazing innovations like high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These indispensable products are at the heart of numerous industries, spanning energy, chemical sectors, metal smelting, and electric power grids to industrial manufacturing. Moreover, we extend our reach to academia, healthcare, municipal commerce, water management, hydropower, and road traffic, catering to both commercial and residential spheres. Our transformative solutions empower the future, leaving a profound impact on these crucial sectors.
With a philosophy centered on relentless technological progression and 'smart manufacturing,' we are devoted to fostering a culture of excellence by integrating elite technical talents and creative strategies. This strategic focus fortifies our core abilities, ensuring we deliver unparalleled service value to our clients. Our evolution from modest origins to industry vanguard is a testament to our core values: unwavering commitment and innovation. Our business strategy resolutely emphasizes quality as the cornerstone of survival, market reputation as the trajectory for growth, and management efficiency as the key to profitability. We pledge to elevate 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management endeavors. Our strategic vision aims to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that aim higher, reach further, and achieve more. Integrity, unmatched quality, exceptional service, and customer satisfaction lie at the core of our values. Our relentless pursuit of excellence fuels perpetual innovation, establishing our brand as synonymous with trust. The recognition of our cherished customers propels our aspirations. We express deep gratitude to our loyal customers, both new and longtime, and warmly invite you to join Zhejiang Chaotai on a collaborative journey towards a radiant future.
Our Advantages
Certifications
After Sales Service


FAQ
Q1. Are you a factory or trading company?
A.We are a factory.
Q2. Where is your factory located? How can I visit there?
A. Our factory is located in Wenzhou City, Zhejiang Province, China. You can fly to Longwan airport directly. All our clients,from home or abroad, are warmly welcome to visit us!
Q3. What's the payment term?
A. We accept TT. 30% deposit and 70% before shipment, Western Union, L/C At Sight is ok! We'll l show you the photos of the products and packages before you pay the balance.
Q4. Tell me the standard of package? What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons, If vou have leaallyl registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q5. Would you accept to use our logo?
A. If you have good quantity,it absolute no problem to do OEM.
Q6. How about the transport?
A. If the number of aoods is small we usually use TNT.DHL.FEDEX.EMS and some express voull offered. If the number of the goods is big usually we use the FWD you offered or we provided. Either by sea or by air is OK.
Q7. What is your Production lead time /delivery time?
A: Generally, it will take 25 to 30 days after receivina vour advance payment.
The specificl delivery time depends on the items and the quantity of your order. Silicone rubber's reqular product is 1,000/ week, Porcelain's need 2-3 weeks about 1000 pcs.
Q8. How do you make our business long-term and good relationship?
A:l. We keep aood auality and competitive price to ensure our customers benefit:
A: 2. We respect every customer as our friend and we sincerely do business and make friendsl with them, no matter where they come from.
A: 3.Most goods we have the type report according the IEC STANDARD
Q9. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.
Q10. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q11. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q12.What certificates do you have?
A:ISO9001,OHSAS18001,ISO14001 certificate and Type test report of product.