Product Description
Oil Immersed Series Transformer:
Introducing the exceptional S11-M series—a fully sealed oil-immersed power transformer crafted with precision by Zhejiang Chaotai Complete Equipment Co., Ltd. This remarkable transformer showcases unrivaled qualities of minimal energy usage, whisper-quiet operation, and exceptional efficiency. As a model energy solution, it significantly reduces environmental impact. Unlike traditional oil-immersed models, this advanced variant dispenses with the oil conservator. Ingeniously designed, it autonomously adapts to changes in oil volume through the dynamic flexibility of the corrugated oil tank, effectively sealing the transformer from air exposure. This cutting-edge feature not only prevents oil deterioration and slows insulation aging but also substantially enhances operational reliability, all while eliminating the need for maintenance during routine operations.
1. Power Capacity: Spanning an impressive 25-2500KVA, with options available for 24KV, 30KV, 33KV, 35KV, 36KV, and fully customizable to meet specific customer needs. 2. Voltage Level: Offered in a range of 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Available in versatile Off-circuit or On-load variations.
4. Tapping Range: Flexibly configurable at ±5%, 2x2.5%, or ±4x2.5%, providing tailored solutions for varied applications.
5. Frequency: Versatile options for either 50Hz or 60Hz, accommodating diverse electrical standards.
6. Phases: Offered in adaptable Three-phase or single-phase configurations to suit different operational requirements.
7. Connection Symbol: Available as Dyn11, Yyn0, and customizable to match specific customer preferences.
8. Short-circuit Impedance: Meticulously designed with Standard Impedance to ensure reliable performance.
9. Operational Conditions: Suitable for altitudes up to 1000m and ambient temperatures below 40°C. Should these parameters be exceeded, adjustments will be made following standard industry protocols.
All required adjustments will be executed in strict adherence to industry standards, ensuring reliability and safety.
Power Capacity: Impressively ranging from 25-2500KVA.
Voltage Levels: Extending across 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, to accommodate various needs.
Voltage Level Overview:
Type of Voltage Regulation: Available in flexible Off-circuit or On-load options, catering to diverse specifications.
Tapping Range: Precision offered at ±5%, ±2x2.5%, ±4x2.5% for maximum adaptability.
Frequency Options: Tailored for 50Hz or 60Hz modes, aligning with global standards.
Phases: Options include adaptable Three-phase or single-phase configurations.
Connection Symbol: Configurable as Dyn11, Yyn0, with customization options available to fit individual requirements.
Short-circuit Impedance: Expertly engineered with Standard Impedance for assured performance.
Operational Conditions: Crafted for altitudes not exceeding 1000m, with ambient temperatures capped at 40°C.
In scenarios where conditions deviate, we will diligently perform necessary parameter adjustments, adhering to standard guidelines to ensure optimal performance.
This fully sealed oil-immersed power transformer, an innovation marvel from Chaotai Power, is engineered for low energy loss, ultra-quiet operation, and extraordinary efficiency. As a top-tier energy-saving solution, it significantly reduces environmental pollution.
Diverging from traditional oil-immersed transformers, this fully sealed model eliminates the need for an oil conservator. It expertly handles oil volume fluctuations with the advanced elasticity of the corrugated oil tank sheet, ensuring the transformer remains isolated from air. This essential feature not only forestalls oil degradation and insulation aging but also bolsters reliability and negates the requirement 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. shines as a beacon of cutting-edge technology and innovation in the realm of electrical integration. As a renowned high-tech enterprise, our company is distinguished by our dedicated R&D, production, and service teams, all backed by an impressive legacy of over 15 years of invaluable industry expertise. Our unwavering commitment to excellence underscores our position as a leader in innovation, consistently setting benchmarks in the industry.
Our diverse and advanced product portfolio is a testament to our pioneering spirit, featuring groundbreaking solutions such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These critical innovations are indispensable across a spectrum of industries, from energy and chemical sectors to metal smelting, electric power grids, and industrial manufacturing. Moreover, our influence extends to academia, healthcare, municipal commerce, water management, hydropower, and road traffic, touching commercial and residential applications alike. We proudly empower the future through our transformative solutions, leaving a profound impact across these vital sectors.
Rooted in a philosophy of relentless technological advancement and 'smart manufacturing,' we are committed to nurturing a culture of excellence by integrating top-tier technical talents and innovative strategies. This strategic commitment enhances our core competencies, ensuring that we provide unparalleled service value to our clients. Our growth story is a testament to our core values: evolving from humble beginnings to industry leadership through unwavering dedication and innovation. Our business strategy steadfastly focuses on quality as the cornerstone of survival, market reputation as the avenue for development, and management efficiency as the key to profitability. Our pledge is 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 heighten our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that aim higher, reach further, and achieve more. Integrity, unmatched quality, exceptional service, and customer satisfaction are at the heart of our values. Our relentless pursuit of excellence drives us to perpetually innovate, establishing our brand as synonymous with trust. The acknowledgment of our valued customers propels our ambition. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Zhejiang Chaotai 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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