Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, a pinnacle of engineering excellence by Zhejiang Chaotai Complete Equipment Co., Ltd. This state-of-the-art transformer sets itself apart by achieving exceptionally low energy loss, ultra-quiet performance, and unparalleled efficiency. It stands as a beacon of energy conservation, dramatically reducing environmental impact and pollution. In a departure from conventional oil-immersed transformers, this innovative model requires no oil conservator. The flexible corrugated oil tank expertly adjusts for oil volume changes, maintaining a flawless seal that safeguards the transformer from air exposure. This revolutionary feature prevents oil degradation, greatly extends the insulation's lifespan, and significantly enhances operational reliability—all while eliminating the need for regular maintenance in normal usage.
1. Power Capacity: Offering a range from 25-2500KVA, with versatile options for 24KV, 30KV, 33KV, 35KV, 36KV, and further customization to meet the distinct requirements of our esteemed customers 2. Voltage Level: Available in a variety of options including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Features both Off-circuit and On-load selections
4. Tapping Range: Select from ±5%, 2x2.5%, ±4x2.5%, providing flexibility to suit your electrical needs
5. Frequency: Choose between 50Hz or 60Hz, catering to different global standards
6. Phases: Available in both Three-phase and single-phase configurations to accommodate diverse applications
7. Connection Symbol: Options include Dyn11, Yyn0, or fully customizable to perfectly match your specific requirements
8. Short-circuit Impedance: Comes with Standard Impedance for reliable performance
9. Operational Conditions: Engineered to operate at altitudes up to 1000m, with ambient temperatures below 40°C. If these conditions are exceeded, we will adjust parameters in accordance with standard protocols.
All necessary adjustments will be strictly aligned with industry standards, ensuring optimal performance.
Power Capacity: Spanning a range of 25-2500KVA
Voltage Levels: Available options include 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Options include both Off-circuit and On-load
Tapping Range: Available in ±5%, ±2x2.5%, ±4x2.5% for tailored adaptability
Frequency Options: Choose from 50Hz or 60Hz to meet specific power requirements
Phases: Offered in Three-phase or single-phase
Connection Symbol: Provided as Dyn11, Yyn0, and customizable upon request
Short-circuit Impedance: Features Standard Impedance for consistent reliability
Operational Conditions: Designed for altitudes not exceeding 1000m, and temperatures below 40°C
If conditions deviate from typical parameters, we will implement necessary adjustments in compliance with standard protocols.
The fully sealed oil-immersed power transformer, a marvel of Chaotai Power's innovative design, excels with minimal energy loss, silent functioning, and superior efficiency. It represents an exceptional energy-saving solution, significantly curtailing pollution.
Unlike traditional oil-immersed transformers, this fully sealed model eliminates the need for an oil conservator. It skillfully manages fluctuations in oil volume through the elastic properties of the corrugated oil tank, ensuring the transformer is shielded from air. This pivotal feature not only prevents oil deterioration and delays insulation aging but also substantially enhances reliability, removing the necessity for regular 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 beacon of technological prowess in the ever-evolving realm of electrical integration. A leading high-tech enterprise, we proudly boast a highly skilled R&D, production, and service team, fortified by over 15 years of invaluable industry know-how. Our steadfast commitment to attaining unparalleled excellence distinguishes us as innovators and pioneers in the field.
Our expansive and varied product portfolio is a testament to our cutting-edge innovations, featuring high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These outstanding products are indispensable across a multitude of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, spanning both commercial and residential applications. We take immense pride in charting the future with our groundbreaking solutions.
Driven by a philosophy of relentless technological evolution and 'smart manufacturing,' we are devoted to cultivating a culture of excellence through the integration of top-tier technical expertise. This strategic foresight amplifies our core strengths, ensuring we consistently provide unmatched service value to our clients. Our extraordinary growth story is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy is firmly rooted in innovation, with an unwavering commitment to quality as the foundation of our survival, market reputation as the pathway to development, and management efficiency as the catalyst of profitability. We are committed to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the cornerstones of our quality and talent management initiatives. Our strategic vision aims to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that soar to new heights. Integrity, unmatched quality, exceptional service, and customer satisfaction form the essence of our values. We persistently strive for excellence, continuously innovating to establish a brand that is synonymous with trust. The appreciation of our customers fuels our ambition. We express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to join us on a shared journey with Senhang Technology towards a brighter 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.
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