Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series, a state-of-the-art, fully sealed oil-immersed power transformer brought to you by the pioneering Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is designed with cutting-edge features such as ultra-low energy loss, whisper-quiet operation, and unmatched efficiency. It serves as an exemplary energy-saving powerhouse, dramatically reducing pollution and minimizing environmental impact. Setting itself apart from conventional oil-immersed transformers, this advanced model requires no oil conservator. Its intelligent design allows for autonomous adjustment of oil volume changes, thanks to the flexible corrugated oil tank, which impeccably seals the transformer from air intrusion. This groundbreaking feature prevents oil deterioration, slows insulation aging, and significantly elevates operational reliability, all without necessitating maintenance during regular operations.
1. Power Capacity: 25-2500KVA, tailored for voltage levels of 24KV, 30KV, 33KV, 35KV, 36KV, and customizable as per customer requirements 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Off-circuit or On-load, ensuring flexibility and adaptability to specific needs
4. Tapping Range: Offering options of ±5%, 2x2.5%, and ±4x2.5% for precise voltage adjustments
5. Frequency: Available in both 50Hz and 60Hz to match global standards
6. Phases: Configurable for either three-phase or single-phase applications
7. Connection Symbol: Dyn11, Yyn0, with customization options to meet specific requirements
8. Short-circuit Impedance: Designed to meet standard impedance for reliable performance
9. Operational Conditions: Suitable for altitudes up to 1000m and ambient temperatures below 40°C. If conditions vary, adjustments will be managed in line with industry protocols to ensure optimal performance.
All necessary adjustments will strictly adhere to industry standards for quality assurance.
Power Capacity: Versatile range from 25-2500KVA, catering to a wide spectrum of energy needs
Voltage Levels: Comprehensive range including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, designed for diverse applications
Voltage Level Overview:
Type of Voltage Regulation: Flexible options of Off-circuit or On-load, tailored to specific operational requirements
Tapping Range: Includes precision options of ±5%, ±2x2.5%, ±4x2.5% for enhanced control
Frequency Options: Available in standard frequencies of 50Hz or 60Hz to suit global applications
Phases: Offered in three-phase or single-phase configurations to meet diverse operational needs
Connection Symbol: Available as Dyn11, Yyn0, with customization available to suit specific installation requirements
Short-circuit Impedance: Engineered to standard impedance for dependable operation
Operational Conditions: Designed for altitudes not exceeding 1000m and ambient temperatures not exceeding 40°C, with adjustments made if necessary to maintain optimal functionality
Should conditions deviate from the norm, parameter adjustments will be implemented as per standard protocols, ensuring consistent performance and reliability.
The fully sealed oil-immersed power transformer, a masterpiece of modern engineering by Chaotai Power, delivers outstanding low energy consumption, silent operation, and superior efficiency. It is an impeccable solution for energy conservation, effectively reducing pollution.
Setting a new benchmark in transformer technology, this fully sealed design dispenses with the oil conservator, autonomously managing oil volume fluctuations with the ingenious elasticity of the corrugated oil tank sheet. This critical feature ensures air isolation, forestalling oil degradation and insulation aging, thereby amplifying reliability and negating the necessity of 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. is a beacon of innovation and excellence in electrical integration. As a prestigious high-tech enterprise, we pride ourselves on a dedicated team in R&D, production, and service, backed by an impressive 15 years of industry expertise. Our unyielding quest for perfection distinguishes us as a pioneering leader in technological advancement.
Our extensive product portfolio showcases state-of-the-art solutions including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. Our offerings are vital to a multitude of sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, spanning both commercial and residential use. We proudly energize the future with our innovative solutions.
Rooted in a philosophy of continuous technological innovation and 'smart manufacturing,' we are devoted to nurturing a culture of excellence by integrating exceptional technical talent. This strategic focus enhances our core competencies, ensuring we consistently deliver unmatched service value to our clients. Our growth story is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Anchored in innovation, our business strategy is steadfast in quality as the foundation of survival, market reputation as the pathway to development, and management efficiency as the key to profitability. We pledge to harness 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the cornerstones of our quality and talent 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, unmatched quality, exceptional service, and customer satisfaction are at our core. We relentlessly pursue excellence, constantly innovating to establish a brand synonymous with trust and reliability. Customer recognition fuels our ambition. We express profound 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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