Product Description
Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series fully sealed oil-immersed power transformer, a masterpiece by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer stands out with its incredibly low energy loss, near-silent operation, and unmatched efficiency. Representing the pinnacle of energy conservation, it dramatically reduces pollution and minimizes environmental impact. Unlike conventional oil-immersed transformers, this cutting-edge model does away with the need for an oil conservator. Featuring an ingeniously designed corrugated oil tank, it self-adjusts to compensate for oil volume changes, maintaining a perfectly sealed environment, thereby shielding the transformer from air exposure. This innovative feature effectively prevents oil deterioration, significantly extends the lifespan of insulation materials, and greatly enhances operational reliability—all while eliminating the need for routine maintenance under normal circumstances.
1. Power Capacity: Ranging from 25-2500KVA, with versatile options such as 24KV, 30KV, 33KV, 35KV, 36KV, and bespoke configurations tailored to meet specific customer needs. 2. Voltage Level: Offered in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options for flexible functionality.
4. Tapping Range: Offers a selection of ±5%, 2x2.5%, or ±4x2.5% to accommodate diverse power requirements.
5. Frequency: Available in both 50Hz and 60Hz, catering to various regional standards.
6. Phases: Available in both Three-phase and single-phase configurations to suit a wide range of applications.
7. Connection Symbol: Choose from Dyn11, Yyn0, or customize to your precise specifications with ease.
8. Short-circuit Impedance: Equipped with Standard Impedance to ensure reliable performance.
9. Operational Conditions: Expertly engineered to operate at altitudes up to 1000m and ambient temperatures below 40°C. If conditions vary, parameters will be adjusted as needed according to standard protocols.
All modifications will strictly adhere to industry standards, ensuring optimal and reliable performance.
Power Capacity: Offers a range from 25-2500KVA to meet diverse energy demands.
Voltage Levels: Available in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, providing extensive adaptability.
Voltage Level Overview:
Type of Voltage Regulation: Offered in both Off-circuit and On-load variants for adaptable and precise control.
Tapping Range: Provides options like ±5%, ±2x2.5%, ±4x2.5% to meet specific technical requirements.
Frequency Options: Choose from 50Hz or 60Hz to align with local standards.
Phases: Available in both Three-phase and single-phase to suit versatile applications.
Connection Symbol: Standard offerings include Dyn11, Yyn0, with fully customizable configurations available to match your needs.
Short-circuit Impedance: Features Standard Impedance for dependable and consistent operation.
Operational Conditions: Designed to function optimally at altitudes not exceeding 1000m and temperatures below 40°C to ensure consistent performance.
Should operational conditions deviate, suitable parameter adjustments will be made following standard guidelines to maintain peak performance.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's innovative excellence, excels with remarkably low energy loss, quiet operations, and superior efficiency. It is an advanced energy-saving device that profoundly minimizes pollution and environmental impact.
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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 high-tech enterprise, we are backed by an elite team in research, development, production, and service with a robust 15-plus years of industry acumen. Our relentless pursuit of exceptional excellence sets us apart as 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 are indispensable 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 capabilities, 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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