Product Description



Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series oil-immersed power transformer, a masterpiece of engineering by Zhejiang Chaotai Complete Equipment Co., Ltd. This transformer is celebrated for its impressively low energy consumption, whisper-quiet performance, and unparalleled efficiency. As a beacon of sustainability, it significantly curbs pollution and lessens ecological impact. Unlike traditional transformers, this advanced model eliminates the need for an oil conservator. The smartly designed corrugated oil tank automatically adjusts to oil volume changes, maintaining a perfect seal that protects the transformer from air exposure. This ingenious design prevents oil degradation, extends the lifespan of insulation materials, and boosts operational reliability—all without the need for regular maintenance in typical conditions.
1. Power Capacity: Offers an extensive range from 25-2500KVA, with diverse options including 24KV, 30KV, 33KV, 35KV, 36KV, alongside tailor-made configurations designed to fulfill specific customer needs. 2. Voltage Level: Available options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Provides both Off-circuit and On-load capabilities for dynamic functionality.
4. Tapping Range: Features selections like ±5%, 2x2.5%, or ±4x2.5% to meet various power specifications.
5. Frequency: Offered in both 50Hz and 60Hz, ensuring conformity with regional standards.
6. Phases: Available in both Three-phase and single-phase configurations to accommodate different needs.
7. Connection Symbol: Access standard configurations like Dyn11, Yyn0, or customize to your precise requirements effortlessly.
8. Short-circuit Impedance: Designed with Standard Impedance, ensuring consistent and reliable performance.
9. Operational Conditions: Expertly engineered for altitudes up to 1000m and ambient temperatures less than 40°C. Deviations from these conditions will be addressed with standard parameter adjustments.
All adjustments adhere strictly to industry standards, ensuring peak performance and reliability.
Power Capacity: Ranges from 25-2500KVA, catering to diverse energy requirements.
Voltage Levels: Available in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, providing extensive flexibility.
Voltage Level Overview:
Type of Voltage Regulation: Available in both Off-circuit and On-load options for adaptable control.
Tapping Range: Offers configurations like ±5%, ±2x2.5%, ±4x2.5% to fit unique requirements.
Frequency Options: Choose either 50Hz or 60Hz to meet local standards.
Phases: Offered in both Three-phase and single-phase to suit various applications.
Connection Symbol: Standard choices include Dyn11, Yyn0, with the option for full customization.
Short-circuit Impedance: Comes with Standard Impedance for steady and trustworthy operations.
Operational Conditions: Built for optimal performance at altitudes up to 1000m and temperatures below 40°C.
If operational conditions vary, suitable parameter adjustments will be carried out in line with standard protocols.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's innovative prowess, excels with incredibly low energy loss, silent operation, and superior efficiency, making it an exemplary energy-saving solution that significantly reduces pollution.
5f038547
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. rises as a beacon of technological prowess in the ever-evolving realm of electrical integration. As a recognized high-tech entity, our elite team, backed by over 15 years of unmatched industry mastery, positions us as frontrunners in research, development, production, and service. Our steadfast dedication to transformative innovation distinguishes us as pioneers, constantly advancing the limits of excellence.
Our diverse product collection stands as a testament to our forward-thinking innovations. We provide high-voltage solid-state soft starters, capacitor cabinets, a diverse range of high and low voltage switchgear, cutting-edge gas-insulated switchgear, and sophisticated substations. These remarkable products are essential across a multitude of sectors such as energy, chemical industries, metal smelting, electric grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Catering to both commercial enterprises and residential demands, we empower a future marked by our groundbreaking solutions.
Guided by our philosophy of 'smart manufacturing' and relentless technological evolution, we nurture a culture of excellence. Through integrating premier technical talents, we enhance our core competencies, consistently delivering outstanding value to our clients. Our exceptional growth trajectory mirrors our ethos of turning inception into industry prominence through unwavering dedication. Innovation is the cornerstone of our strategy, with quality as the foundation of our longevity, market reputation charting our growth path, and management efficiency propelling profitability. Our commitment to 'technology as guidance, standardized management, superior quality, and customer satisfaction' represents the pillars of our quality and talent management. We strive to boost market competitiveness, serving China's electric power and grid sectors with visionary ambition. Integrity, exemplary quality, extraordinary service, and customer satisfaction constitute the essence of our values. We aim for excellence, continuously innovating to establish a brand of trustworthiness. Our customers' appreciation fuels our aspirations, and we extend heartfelt gratitude to our loyal patrons, both new and long-standing. Join us with Senhang Technology on a shared journey toward 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.