Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series fully sealed oil-immersed power transformer, a testament to the engineering excellence of Zhejiang Chaotai Complete Equipment Co., Ltd. This revolutionary transformer is a marvel of design, offering remarkable low energy consumption, virtually silent operation, and unmatched efficiency. A true leader in energy conservation, it diminishes pollution and lowers environmental impact. Unlike traditional models, this advanced transformer does away with the oil conservator. Its innovative corrugated oil tank ingeniously adjusts to oil volume changes, maintaining a completely sealed system that shields the transformer from air exposure. This cutting-edge feature prevents oil degradation, extends the lifespan of insulation materials, and enhances operational reliability—all without the need for routine maintenance under regular conditions.
1. Power Capacity: Available from 25-2500KVA, with adaptable options like 24KV, 30KV, 33KV, 35KV, 36KV, and bespoke configurations to meet specific customer demands. 2. Voltage Level: Offered in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV to suit diverse needs. 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options for versatile adaptability.
4. Tapping Range: Features a range of ±5%, 2x2.5%, or ±4x2.5% to accommodate diverse power requirements seamlessly.
5. Frequency: Available in both 50Hz and 60Hz, designed to meet various regional electrical standards.
6. Phases: Offered in both Three-phase and single-phase setups to cater to a wide array of applications.
7. Connection Symbol: Choose from Dyn11, Yyn0, or customize to your specific needs with ease and precision.
8. Short-circuit Impedance: Comes equipped with Standard Impedance to ensure dependable and reliable performance.
9. Operational Conditions: Expertly crafted for altitudes up to 1000m and ambient temperatures under 40°C. If conditions differ, we adjust parameters following standard protocols.
All modifications are strictly aligned with industry standards, ensuring peak performance and reliability.
Power Capacity: Flexibly ranging from 25-2500KVA to meet a broad spectrum of energy requirements.
Voltage Levels: Available in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, offering extensive adaptability.
Voltage Level Overview:
Type of Voltage Regulation: Offers both Off-circuit and On-load variants for adaptive and precise control.
Tapping Range: Offers options like ±5%, ±2x2.5%, ±4x2.5% to address specific power needs effectively.
Frequency Options: Choose between 50Hz or 60Hz to align with local electrical standards.
Phases: Available in both Three-phase and single-phase configurations for ultimate application flexibility.
Connection Symbol: Standard choices include Dyn11, Yyn0, with fully customizable options available to match exact specifications.
Short-circuit Impedance: Incorporates Standard Impedance for assured and reliable operation.
Operational Conditions: Engineered to function optimally at altitudes not exceeding 1000m and temperatures below 40°C.
Should operational conditions vary, parameter adjustments will be made according to standard industry guidelines.
The fully sealed oil-immersed power transformer exemplifies Chaotai Power's innovative capabilities, excelling in low energy consumption, silent operation, and superior efficiency. It is a formidable energy-saving solution that significantly reduces pollution.
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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 mastery within the ever-evolving domain of electrical integration. Distinguished as a dynamic high-tech enterprise, we are proudly backed by an elite team in research, development, production, and service, bringing over 15 robust years of industry acumen to the forefront. Our relentless pursuit of exceptional excellence sets us apart as visionary pioneers of innovation.
Our expansive and diverse product lineup features cutting-edge innovations, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These outstanding products represent essential solutions across a multitude of sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They extend their usability to both commercial and residential spheres. We proudly empower the future with our revolutionary solutions.
Driven by a philosophy of relentless technological evolution and 'smart manufacturing,' we are earnestly committed to fostering a culture of excellence by integrating top-tier technical talents. This strategic focus amplifies our core strengths, ensuring we consistently deliver unparalleled service value to our clients. Our extraordinary growth journey is a testament to our ethos: evolving from inception to industry leadership through steadfast dedication. Our business strategy is firmly rooted in innovation, with a steadfast commitment to quality as the foundation of our survival, market reputation as our path to growth, and management efficiency as the catalyst for profitability. We are devoted to harnessing 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management endeavors. Our strategic vision is to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that soar to new heights. Integrity, unparalleled quality, exceptional service, and customer satisfaction are at the heart of our values. We persistently strive for excellence, ceaselessly innovating to establish a brand synonymous with trust. The appreciation from our customers fuels our ambition. We wholeheartedly express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to join us in a shared journey with Senhang Technology towards a brighter tomorrow.
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.
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