Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, a marvel of modern engineering precision crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This transformative power solution is renowned for its exceptionally low energy loss and ultra-quiet operation, setting new benchmarks for efficiency and sustainability. As a leader in energy conservation, it dramatically reduces environmental pollution and impact. Unlike traditional models, this advanced design eliminates the oil conservator, thanks to the clever use of a corrugated oil tank that adapts to oil volume changes autonomously. This innovative feature ensures a perfectly sealed environment, effectively preventing oil degradation and extending the lifespan of insulation materials. Enjoy heightened operational reliability and peace of mind with no routine maintenance required under standard usage conditions.
1. Power Capacity: Spanning from 25-2500KVA, with available options for 24KV, 30KV, 33KV, 35KV, 36KV, and further customizable to align with your specific requirements. 2. Voltage Level: Offered in multiple variations including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, tailored to meet diverse specifications. 3. Type of Voltage Regulation: Featuring both Off-circuit and On-load regulation options to suit distinct operational needs.
4. Tapping Range: Flexible options include ±5%, 2x2.5%, and ±4x2.5%, providing adaptability for various voltage requirements.
5. Frequency: Available options include either 50Hz or 60Hz to accommodate different regional power standards.
6. Phases: Offered in versatile configurations of Three-phase or single-phase to cater to diverse power distribution needs.
7. Connection Symbol: Available as Dyn11, Yyn0, or fully customizable to precisely match your technical preferences.
8. Short-circuit Impedance: Equipped with Standard Impedance, ensuring optimal performance and reliability.
9. Operational Conditions: Engineered to function seamlessly at altitudes not exceeding 1000m, with ambient temperatures regulated below 40°C. If these conditions vary, we will fine-tune parameters accordingly, adhering to stringent industry standards.
All parameter adjustments are executed with strict compliance to industry standards, ensuring premium performance and safety.
Power Capacity: A broad spectrum available from 25-2500KVA, designed to meet a wide array of power needs.
Voltage Levels: Select from an extensive range of 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, covering all major specifications.
Voltage Level Overview:
Type of Voltage Regulation: Offers a choice between Off-circuit and On-load options, providing flexibility for various applications.
Tapping Range: Includes adaptable options like ±5%, ±2x2.5%, ±4x2.5%, catering to diverse voltage demands.
Frequency Options: Choose between 50Hz or 60Hz to align with local electrical standards.
Phases: Available in configurations of Three-phase or single-phase, ensuring compatibility with different system setups.
Connection Symbol: Comes with standard options Dyn11, Yyn0, or customizable upon request to suit specific requirements.
Short-circuit Impedance: Incorporates Standard Impedance, promising consistent performance.
Operational Conditions: Perfectly suited for deployment in environments with altitudes up to 1000m and ambient temperatures under 40°C.
If operational conditions deviate from the norm, precise parameter adjustments will be carried out, strictly adhering to standard guidelines.
The fully sealed oil-immersed power transformer, an epitome of creative innovation by Chaotai Power, excels with its exceptionally low energy loss, noiseless operation, and outstanding efficiency. It is the ultimate energy-saving solution, significantly curbing pollution impact.
Setting a new standard for excellence, this fully sealed design transcends traditional oil-immersed transformers by eliminating the need for an oil conservator. It adeptly adjusts to oil volume changes through the resilient structure of the corrugated oil tank sheet, ensuring the transformer remains perfectly insulated from air exposure. This vital feature not only prevents oil deterioration and delays insulation aging but also significantly enhances reliability, freeing you from the burdens 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. epitomizes technological excellence within the dynamic realm of electrical integration. As a pioneering high-tech enterprise, we proudly present a team of highly skilled professionals in R&D, production, and service, backed by over 15 years of invaluable industry experience. Our steadfast dedication to achieving unmatched excellence sets us apart as a leader in innovation.
Our extensive and diverse product portfolio includes cutting-edge innovations such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These exceptional products have become indispensable across numerous sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They extend their utility to both commercial and residential applications. We take immense pride in empowering the future with our groundbreaking solutions.
With a philosophy rooted in relentless technological advancement and 'smart manufacturing,' we are wholeheartedly committed to nurturing a culture of excellence by integrating top-tier technical talents. This strategic approach enhances our core capabilities, ensuring we consistently deliver unparalleled service value to our clients. Our remarkable growth journey is a testament to our ethos of transforming from inception to industry leadership through unwavering dedication. Our business strategy is firmly anchored in innovation, with quality as the bedrock of our survival, market reputation as the pathway to growth, and management efficiency driving profitability. We are dedicated to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management initiatives. Our strategic vision is to enhance our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations reaching new heights. Integrity, unparalleled quality, exceptional service, and customer satisfaction form the core of our values. We persistently strive for excellence, continuously innovating to establish a brand synonymous with trust. The 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.
Audited Supplier 
){kind=link}