Product Description



Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, a masterpiece of engineering by Zhejiang Chaotai Complete Equipment Co., Ltd. This transformative product is celebrated for its exceptionally low energy loss, whisper-quiet functionality, and unparalleled efficiency. As an icon of energy conservation, it drastically diminishes pollution and mitigates environmental impacts. Diverging from traditional oil-immersed transformers, this state-of-the-art model eliminates the oil conservator. The smartly engineered corrugated oil tank skillfully self-adjusts to accommodate variations in oil volume, ensuring an impeccably sealed system that shields the transformer from air exposure. This innovative feature effectively prevents oil degradation, extending the lifespan of insulation materials, and significantly boosting operational reliability—all while requiring no routine maintenance under standard operational conditions.
1. Power Capacity: Offering a broad spectrum from 25-2500KVA, with flexible choices including 24KV, 30KV, 33KV, 35KV, 36KV, along with customizable configurations to fit unique customer needs. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Provides Off-circuit and On-load options for adaptable functionality.
4. Tapping Range: Offers a wide array of options such as ±5%, 2x2.5%, or ±4x2.5% to meet varied power demands.
5. Frequency: Choose between 50Hz and 60Hz to ensure compatibility with regional electrical standards.
6. Phases: Available in both Three-phase and single-phase setups to accommodate different application needs.
7. Connection Symbol: Select from standard configurations like Dyn11, Yyn0, or customize to your precise specifications effortlessly.
8. Short-circuit Impedance: Crafted with Standard Impedance, ensuring consistent and reliable performance.
9. Operational Conditions: Expertly crafted for performance at altitudes up to 1000m and ambient temperatures below 40°C. Should these conditions vary, parameters will be adjusted according to established protocols.
Every modification strictly conforms to industry standards, guaranteeing peak performance and reliability.
Power Capacity: Features a range from 25-2500KVA to satisfy diverse energy requirements.
Voltage Levels: Encompasses 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, offering broad adaptability.
Voltage Level Overview:
Type of Voltage Regulation: Available in both Off-circuit and On-load variants for versatile control options.
Tapping Range: Provides configurations such as ±5%, ±2x2.5%, ±4x2.5% to match specific demands.
Frequency Options: Select either 50Hz or 60Hz to comply with local standards.
Phases: Available in both Three-phase and single-phase to serve multiple application requirements.
Connection Symbol: Standard options include Dyn11, Yyn0, with fully customizable configurations readily available.
Short-circuit Impedance: Equipped with Standard Impedance for assured, dependable operation.
Operational Conditions: Engineered for optimal performance at altitudes up to 1000m and temperatures below 40°C.
If operational conditions vary, appropriate parameter adjustments are conducted in line with standard guidelines.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's pioneering innovation, excels in delivering impressively low energy loss, near-silent operation, and top-notch efficiency. It stands as a formidable energy-saving solution that significantly reduces pollution.
5f038547
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 beacon of technological brilliance in the ever-evolving realm of electrical integration. Celebrated as a high-tech enterprise, our exceptional team, with its over 15 years of unmatched industry experience, is at the forefront of research, development, production, and service. Our steadfast dedication to groundbreaking innovation distinguishes us as trailblazers, constantly redefining the boundaries of excellence.
Our extensive product portfolio is a reflection of our pioneering innovations. We provide high-voltage solid-state soft starters, capacitor cabinets, a comprehensive range of high and low voltage switchgear, cutting-edge gas-insulated switchgear, and sophisticated substations. These exceptional products are indispensable across a multitude of sectors, including energy, chemical industries, metal smelting, electric grids, industrial production, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Catering to both commercial enterprises and residential demands, we are empowering the future with our avant-garde solutions.
Our guiding philosophy of 'smart manufacturing' and relentless technological advancement propels us to foster a culture of excellence. By incorporating top-tier technical talents, we enhance our core capabilities, consistently delivering exceptional value to our clients. Our remarkable growth journey is a testament to our ethos of transforming inception into industry leadership through unwavering dedication. Innovation is the cornerstone of our strategy, with quality as the bedrock of our longevity, market reputation as our path to growth, and management efficiency as the catalyst for profitability. Our steadfast commitment to 'technology as the guide, standardized management, superior quality, and customer satisfaction' forms the pillars of our quality and talent management. We aspire to elevate market competitiveness, serving China's electric power and grid sectors with visionary ambition. Integrity, unmatched quality, exceptional service, and customer satisfaction define the core of our values. We strive for excellence, continually innovating to build a brand of trustworthiness. Our customers' appreciation is the driving force of our aspirations, and we express our heartfelt gratitude to our loyal patrons, both new and long-standing. Join us with Senhang Technology on a shared journey toward a brighter and more promising 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.