Product Description
Oil Immersed Series Transformer:
Introducing the extraordinary S11-M series fully sealed oil-immersed power transformer, meticulously designed and crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer is renowned for its outstanding qualities, including low energy loss, whisper-quiet operation, and unparalleled efficiency. As a leading energy-saving solution, it dramatically reduces pollution and minimizes environmental impact. This state-of-the-art model transcends traditional oil-immersed transformers by eliminating the need for an oil conservator. Its ingenious design features an autonomous system that adapts to oil volume changes through the flexibility of the corrugated oil tank, maintaining a perfect seal against air exposure. This groundbreaking feature prevents oil degradation, delays insulation aging, and significantly enhances operational reliability, all while eliminating the need for maintenance during normal operations.
1. Power Capacity: 25-2500KVA, with voltage options of 24KV, 30KV, 33KV, 35KV, 36KV and customizable specs according to customer needs 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Voltage Regulation Type: Choose between Off-circuit or On-load
4. Tapping Range: Offers ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Available in 50Hz or 60Hz
6. Phases: Selectable between Three-phase or single-phase
7. Connection Symbol: Standard options include Dyn11, Yyn0, or customized per requirements
8. Short-circuit Impedance: Standard Impedance for optimal performance
9. Operational Conditions: Ideal for altitudes not exceeding 1000m and ambient temperatures below 40°C. Adjustments will be made if these conditions are not met, following standard procedures.
All adjustments strictly comply with industry standards.
Power Capacity Range: 25-2500KVA
Comprehensive Voltage Levels: 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Voltage Regulation Type: Options include Off-circuit or On-load
Tapping Range: Offers flexibility with ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Choice of 50Hz or 60Hz
Phases: Available in Three-phase or single-phase configurations
Connection Symbol: Choose Dyn11, Yyn0, or request customization
Short-circuit Impedance: Adheres to Standard Impedance specifications
Operational Conditions: Suitable for altitudes up to 1000m and ambient temperatures up to 40°C
Should conditions vary, necessary adjustments will be made, adhering to standard protocols.
The fully sealed oil-immersed power transformer from Chaotai Power is a masterpiece of innovation, showcasing low energy loss, silent operation, and superior efficiency. It is a top-tier energy-saving solution that dramatically minimizes pollution.
Unlike conventional oil-immersed transformers, this fully sealed design removes the need for an oil conservator. It adeptly manages oil volume changes via the elasticity of the corrugated oil tank sheet, keeping the transformer hermetically sealed. This crucial feature not only halts oil degradation and insulation aging but also elevates reliability and removes the necessity for routine 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. is a shining emblem of technological mastery in electrical integration. As a renowned high-tech enterprise, we are equipped with a highly skilled R&D, production, and service team, bolstered by an impressive 15 years of esteemed industry experience. Our unwavering commitment to excellence distinguishes us as pioneers in innovation and technology.
Our expansive product range showcases state-of-the-art solutions such as high-voltage solid-state soft starters, advanced capacitor cabinets, versatile high and low voltage switchgear, sophisticated gas-insulated switchgear, and comprehensive substations. These exceptional products have become vital in numerous sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Our transformative solutions power the future, catering to both commercial and residential needs.
Rooted in a philosophy of relentless technological innovation and 'smart manufacturing,' we embrace a culture of excellence by integrating top-tier technical talents. This strategic approach strengthens our core competencies, ensuring we offer unmatched service value to our clients. Our growth journey is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy is firmly grounded in innovation, with an unwavering dedication to quality as the cornerstone of survival, market reputation as the path to development, and management efficiency as the keystone of profitability. We are committed to harnessing 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management initiatives. Our strategic vision is to elevate 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, superior service, and customer satisfaction are our core values. We are relentless in pursuing excellence, consistently innovating to establish a brand synonymous with trust. The recognition of our customers propels our ambition forward. 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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