Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series fully sealed oil-immersed power transformer—an engineering marvel from Zhejiang Chaotai Complete Equipment Co., Ltd. This transformer exemplifies superior design with its unrivaled features of reduced energy consumption, low operational noise, and enhanced efficiency. It emerges as the ultimate energy-saving solution, dramatically minimizing environmental pollution and impact. Departing from the traditional, this sophisticated model does away with the oil conservator entirely. Its groundbreaking design autonomously adjusts and optimizes oil volume via the flexibility of the corrugated oil tank, sealing the transformer completely from air exposure. This pioneering feature forestalls oil degradation, retards insulation aging, and notably boosts operational reliability, ensuring zero maintenance during routine use.
1. Power Capacity: Ranges from 25-2500KVA, adaptable to 24KV, 30KV, 33KV, 35KV, 36KV, with further customization available to meet specific client needs. 2. Voltage Level: Available options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Choose between Off-circuit or On-load options.
4. Tapping Range: Selections include ±5%, and adjustments of 2x2.5%, or ±4x2.5%.
5. Frequency: Operates seamlessly at 50Hz or 60Hz.
6. Phases: Available in versatile three-phase or single-phase configurations.
7. Connection Symbol: Options include Dyn11, Yyn0, or customized as per specific requirements.
8. Short-circuit Impedance: Adheres to Standard Impedance guidelines.
9. Operational Conditions: Designed for altitudes up to 1000m, with ambient temperatures below 40°C. Should these conditions not be met, we will tweak parameters to align with standard protocols.
All modifications will be in strict compliance with industry standards.
Power Capacity: A robust range from 25-2500KVA.
Voltage Levels: Extensive options include 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, and 36KV.
Voltage Level Overview:
Type of Voltage Regulation: Flexibility between Off-circuit or On-load.
Tapping Range: Customizable options of ±5%, ±2x2.5%, and ±4x2.5%.
Frequency Options: Efficient operations at either 50Hz or 60Hz.
Phases: Available in either three-phase or single-phase.
Connection Symbol: Select from Dyn11, Yyn0, or tailor to your specifications.
Short-circuit Impedance: Complies with standard impedance protocols.
Operational Conditions: Engineered for altitudes up to 1000m, with ambient temperatures not exceeding 40°C.
If operating conditions vary, we will implement necessary parameter adjustments following standard guidelines.
This fully sealed oil-immersed power transformer, a hallmark of innovation by Chaotai Power, dazzles with its low energy consumption, silent operation, and high efficiency. It serves as a premier energy-saving solution that substantially reduces pollution.
Unlike conventional oil-immersed transformers, this ingeniously sealed design eliminates the need for an oil conservator. It adeptly manages oil volume changes using the elasticity of the corrugated oil tank sheet, maintaining the transformer in an air-free environment. This crucial feature not only prevents oil deterioration and prolongs insulation life but also enhances reliability, obviating the need 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 technological excellence in the field of electrical integration. As an esteemed high-tech enterprise, we proudly offer a dedicated team specializing in R&D, production, and service, all enhanced by over 15 years of invaluable industry expertise. Our unwavering pursuit of perfection positions us as pioneers in innovation.
Our extensive product portfolio is adorned with cutting-edge innovations such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These indispensable products have carved a vital niche across a spectrum of industries including energy, chemical processing, metal smelting, power grids, industrial manufacturing, academia, healthcare, municipal affairs, water management, hydropower, and road traffic, spanning both commercial and residential domains. We take pride in illuminating the future with our transformative solutions.
Rooted in a philosophy of tireless technological innovation alongside 'smart manufacturing,' we are devoted to nurturing a culture of excellence by integrating top-tier technical talent. This strategic focus enhances our core strengths, guaranteeing unparalleled service value to our clients. Our growth journey is a testament to our ethos: transcending from inception to industry leadership through unswerving dedication. Our business strategy remains firmly grounded in innovation, with an unwavering commitment to quality as the cornerstone of survival, reputation as the path to development, and management efficiency as the key to profitability. We vow to leverage 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management initiatives. Our strategic vision aims to bolster our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that are faster, stronger, and higher. Integrity, unmatched quality, exceptional service, and customer satisfaction are at the heart of our core values. We are relentless in our quest for excellence, consistently innovating to forge a brand synonymous with trust. The recognition 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 collective journey 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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