Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, skillfully crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This remarkable transformer sets itself apart with its incredibly low energy consumption, ultra-quiet operation, and unparalleled efficiency. It epitomizes the pinnacle of energy conservation, significantly cutting pollution and minimizing ecological footprint. Departing from conventional oil-immersed transformers, this avant-garde model eliminates the need for an oil conservator. Through the innovative flexibility of the corrugated oil tank, it autonomously adjusts for oil volume changes, ensuring a perfectly sealed system that protects the transformer from air exposure. This innovative feature prevents oil degradation, significantly extends insulation life, and dramatically enhances operational reliability—all without the need for routine maintenance during typical usage.
1. Power Capacity: Offers a broad range from 25-2500KVA, with voltage options including 24KV, 30KV, 33KV, 35KV, 36KV, and customizable solutions to match unique customer requirements 2. Voltage Level: Available in a comprehensive selection of 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options to suit diverse needs
4. Tapping Range: Available choices include ±5%, 2x2.5%, ±4x2.5% for precise voltage control
5. Frequency: Selectable options between 50Hz or 60Hz to accommodate various power systems
6. Phases: Configurable in either Three-phase or single-phase to meet specific application requirements
7. Connection Symbol: Dyn11, Yyn0 (or provide a custom configuration tailored to your needs)
8. Short-circuit Impedance: Comes equipped with Standard Impedance for reliable performance
9. Operational Conditions: Engineered for optimal performance at altitudes up to 1000m, with ambient temperatures below 40°C. Should these parameters not be met, we will implement necessary adjustments in accordance with standard protocols.
All modifications will be executed in strict compliance with industry standards.
Power Capacity: Widely ranging from 25-2500KVA to fulfill varying power demands
Voltage Levels: Available in an extensive variety: 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Choose between Off-circuit or On-load options for tailored voltage management
Tapping Range: Available options include ±5%, ±2x2.5%, ±4x2.5% for enhanced adaptability
Frequency Options: Options include 50Hz or 60Hz to suit your system preferences
Phases: Choose from either Three-phase or single-phase configurations for versatile applications
Connection Symbol: Dyn11, Yyn0 (customizable upon request for precise alignment with your requirements)
Short-circuit Impedance: Supplied with Standard Impedance for consistent and dependable operation
Operational Conditions: Ideally suited for environments with altitudes not exceeding 1000m, and temperatures below 40°C
Should environmental conditions vary, we will undertake necessary parameter adjustments, adhering to established guidelines.
The fully sealed oil-immersed power transformer, a triumph of innovation by Chaotai Power, boasts exceptionally low energy loss, silent operation, and superior efficiency. It stands as an ideal energy-saving solution that significantly mitigates pollution.
Diverging from conventional oil-immersed transformers, this fully sealed design obviates the need for an oil conservator. It adeptly manages oil volume changes through the elastic properties of the corrugated oil tank sheet, ensuring the transformer remains protected from air exposure. This critical feature not only prevents oil deterioration and delays insulation aging but it also significantly bolsters reliability, eliminating 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 beacon of technological brilliance in the ever-evolving realm of electrical integration. As a leading high-tech enterprise, we proudly present a team that excels in research, development, production, and service, fortified by over 15 years of invaluable industry experience. Our steadfast commitment to attaining unparalleled excellence sets us apart as pioneers of innovation, driving progress and setting new standards.
Our extensive and diversified product portfolio showcases cutting-edge advancements such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These remarkable products have become indispensable 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 their utility to both commercial and residential applications, we take immense pride in empowering the future with our innovative solutions, shaping industries and enhancing lives with unparalleled technology.
Rooted in a philosophy of relentless technological advancement and 'smart manufacturing,' we are wholeheartedly committed to fostering a culture of excellence by integrating elite technical talents. This strategic approach bolsters our core strengths, ensuring we consistently deliver unrivaled service value to our esteemed clients. Our remarkable journey from inception to industry leadership is a testament to our dedication and vision. Our business strategy is firmly anchored in cutting-edge innovation, with an unwavering commitment to quality as the foundation of our survival, market reputation as the pathway to progress, and management efficiency as the driver of profitability. We are dedicated to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the cornerstones of our quality and talent management initiatives. Our strategic vision aims to enhance our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that reach unprecedented heights. Integrity, exceptional quality, outstanding service, and customer satisfaction form the core of our values. We relentlessly strive for excellence, continuously innovating to establish a brand synonymous with trust. The profound appreciation of our customers fuels our ambition. We express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to embark on 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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