Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series, a pinnacle of advanced engineering in fully sealed oil-immersed power transformers, brought to you by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is distinguished by its ultra-low energy losses, whisper-quiet operation, and exceptional efficiency, making it a quintessential choice for energy conservation and reducing environmental impact. Unlike conventional counterparts, this innovative model dispenses with the oil conservator, opting instead for an intelligent design that self-regulates oil volume fluctuations through the elasticity of its corrugated oil tank—an ingenious mechanism that keeps the transformer air-tight. This state-of-the-art feature not only hinders oil degradation and slows insulation aging but also dramatically boosts operational reliability, effectively eliminating the need for maintenance under normal operating conditions.
1. Power Capacity: Ranging from 25 to 2500KVA, adaptable to 24KV, 30KV, 33KV, 35KV, 36KV, and further customizations based on client specifications. 2. Voltage Level: Available options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Choose between Off-circuit or On-load.
4. Tapping Range: Flexible options of ±5%, 2x2.5%, ±4x2.5% to suit various requirements.
5. Frequency: Available in 50Hz or 60Hz configurations.
6. Phases: Offered in Three-phase or single-phase to meet different system needs.
7. Connection Symbol: Options include Dyn11 and Yyn0, with further customization available on request.
8. Short-circuit Impedance: Featuring a Standard Impedance configuration.
9. Operational Conditions: Designed for altitudes up to 1000m and ambient temperatures below 40°C. Adjustments will be made if these parameters are exceeded, adhering to standard protocols.
All modifications will comply with industry standards to ensure optimal performance.
Power Capacity: Offers a versatile range from 25 to 2500KVA.
Voltage Levels: Diverse selections including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, and 36KV.
Voltage Level Overview:
Type of Voltage Regulation: Selectable between Off-circuit or On-load varieties to suit specific applications.
Tapping Range: Select from ±5%, ±2x2.5%, ±4x2.5% for optimal adaptability.
Frequency Options: Tailored to either 50Hz or 60Hz to match global standards.
Phases: Available in both Three-phase and single-phase configurations.
Connection Symbol: Choose from Dyn11, Yyn0, or request a custom design.
Short-circuit Impedance: Provided with a Standard Impedance rating.
Operational Conditions: Engineered for altitudes not exceeding 1000m and temperatures below 40°C, with adjustments available as per standard guidelines if conditions vary.
Should environmental conditions vary, necessary parameter adjustments will be executed in compliance with standard guidelines to maintain optimal functionality.
Experience the cutting-edge fully sealed oil-immersed power transformer by Chaotai Power, a leader in innovation, designed for minimal energy loss, quiet operation, and superior efficiency. It’s the ultimate eco-friendly solution, effectively minimizing pollution.
Setting a new standard in transformer design, this fully sealed model from Chaotai negates the need for an oil conservator. It skillfully handles oil volume changes via the corrugated oil tank's elasticity, ensuring air isolation. This essential innovation prevents oil deterioration and insulation aging, enhances reliability, and eradicates routine maintenance requirements.
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 realm of electrical integration. As a distinguished high-tech enterprise, we boast a dedicated R&D, production, and service team, fortified by over 15 years of invaluable industry experience. Our relentless pursuit of excellence marks us as a leader in innovation.
Our diverse product portfolio features cutting-edge offerings such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These products have found their indispensable place 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, extending to both commercial and residential applications. We are proud to power the future with our transformative solutions.
Grounded in a philosophy of relentless technological innovation and 'smart manufacturing,' we are committed to fostering a culture of excellence by integrating high-caliber technical talents. This strategic focus serves to augment our core competencies, ensuring that we deliver unparalleled service value to our clients. Our journey of growth is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy remains anchored in innovation, with a steadfast commitment to quality as the cornerstone of survival, market reputation as the path to development, and management efficiency as the key to profitability. We pledge to harness 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management initiatives. Our strategic vision is to amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that are faster, stronger, and higher. Integrity, unparalleled quality, exceptional service, and customer satisfaction comprise our core values. We are relentless in our pursuit of excellence, perpetually innovating to establish a brand synonymous with trust. The acknowledgment of our customers fuels our ambition. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Senhang Technology on a shared journey 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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