Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, a testament to engineering excellence by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer sets new standards with its extraordinarily low energy loss, silent operation, and peerless efficiency. It represents a pinnacle of energy conservation, dramatically curtailing pollution and minimizing environmental impact. Unlike traditional oil-immersed transformers, this state-of-the-art model does away with the oil conservator, thanks to the innovative flexibility of the corrugated oil tank. It adeptly regulates oil volume fluctuations, ensuring a perfectly sealed environment that protects the transformer from air exposure. This game-changing feature prevents oil degradation, significantly extends insulation life, and dramatically enhances operational reliability—all while eliminating the need for routine maintenance in standard conditions.
1. Power Capacity: Offering a comprehensive range from 25-2500KVA, with selections for 24KV, 30KV, 33KV, 35KV, 36KV, plus tailored solutions to fulfill specific customer requirements 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides both Off-circuit and On-load configurations
4. Tapping Range: Options include ±5%, 2x2.5%, and ±4x2.5%
5. Frequency: Choose between 50Hz or 60Hz variants
6. Phases: Offered in Three-phase or single-phase setups
7. Connection Symbol: Dyn11, Yyn0 (or fully customizable to meet your precise specifications)
8. Short-circuit Impedance: Incorporates Standard Impedance
9. Operational Conditions: Expertly designed for altitudes up to 1000m, with ambient temperatures below 40°C. Should these conditions be exceeded, we will implement necessary parameter modifications in compliance with standard protocols.
All modifications will strictly adhere to industry standards.
Power Capacity: Spanning a range of 25-2500KVA
Voltage Levels: Select from 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Option for Off-circuit or On-load modes
Tapping Range: Available choices are ±5%, ±2x2.5%, and ±4x2.5%
Frequency Options: Available selections are 50Hz or 60Hz
Phases: Offered in both Three-phase and single-phase configurations
Connection Symbol: Dyn11, Yyn0 (customizable as per your request)
Short-circuit Impedance: Comes standard with Impedance
Operational Conditions: Engineered for altitudes up to 1000m, with ambient temperatures under 40°C
If operational conditions diverge from the standard, necessary parameter adjustments will be executed in line with standard guidelines.
The fully sealed oil-immersed power transformer, a masterpiece from Chaotai Power, shines with remarkably low energy loss, silent operation, and unparalleled efficiency. It serves as an extraordinary energy-saving solution, significantly decreasing pollution.
Unlike standard oil-immersed transformers, this fully sealed design eliminates the need for an oil conservator. It expertly manages oil volume changes through the remarkable elasticity of the corrugated oil tank sheet, ensuring the transformer remains protected from air. This critical feature not only prevents oil degradation and delays insulation aging but also significantly boosts reliability, removing the necessity 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. stands as a beacon of technological prowess in the ever-evolving domain of electrical integration. As a distinguished high-tech enterprise, we pride ourselves on a robust R&D, production, and service team, fortified by over 15 years of invaluable industry expertise. Our steadfast dedication to achieving unrivaled excellence sets us apart as a pioneer of innovation.
Our expansive and versatile product line showcases cutting-edge advancements, encompassing 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 numerous industries, including energy, chemical sectors, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, extending their reach to both commercial and residential applications. We are immensely proud to empower the future with our revolutionary solutions.
Anchored in a philosophy of ceaseless technological progress and 'smart manufacturing,' we are fully committed to fostering a culture of excellence through the integration of premier technical talents. This strategic approach enhances our core competencies, ensuring we consistently deliver unparalleled service value to our clients. Our extraordinary journey of growth pays homage to our ethos: evolving from inception to industry leadership through steadfast dedication. Our business strategy is firmly rooted in innovation, with unwavering quality as the cornerstone of our survival, market reputation as the avenue to development, and management efficiency as the engine of profitability. We are devoted to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management initiatives. Our strategic vision aims to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that soar to new heights. Integrity, peerless quality, exceptional service, and customer satisfaction are at the heart of our values. We consistently strive for excellence, perpetually innovating to establish a brand synonymous with trust. The appreciation of our customers fuels our ambition. We extend 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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