Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series, an exceptional fully sealed oil-immersed power transformer designed and manufactured by Zhejiang Chaotai Complete Equipment Co., Ltd. This pioneering transformer is celebrated for its remarkable low energy loss, whisper-quiet operational performance, and unparalleled efficiency. It sets the benchmark for energy-efficient solutions, notably cutting down on pollution and minimizing environmental footprints. Breaking free from the constraints of traditional oil-immersed transformers, this advanced innovation dispenses with the oil conservator altogether. Its intelligent architecture autonomously adjusts to oil volume variations through the adaptable corrugated oil tank, ensuring a hermetic seal against air intrusion. This groundbreaking feature prevents oil degradation, decelerates insulation aging, and significantly amplifies operational reliability, all while ensuring maintenance-free functionality during standard operational phases.
1. Power Capacity: 25-2500KVA, 24KV, 30KV, 33KV, 35KV, 36KV, and can be tailored to meet specific customer specifications 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Choices between Off-circuit and On-load adjustments
4. Tapping Range: ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Operates at both 50Hz and 60Hz
6. Phases: Available in Three-phase or single-phase configurations
7. Connection Symbol: Dyn11, Yyn0, with custom options available as per requirements
8. Short-circuit Impedance: Adheres to Standard Impedance
9. Operational Conditions: Suitable for altitudes not exceeding 1000m and ambient temperatures below 40°C. Should these parameters not be met, adjustments will be executed following standard protocols.
All adjustments will conform to established industry standards.
Power Capacity: Spanning from 25-2500KVA
Voltage Levels: Comprehensive range from 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, to 36KV
Voltage Level Overview:
Type of Voltage Regulation: Options include Off-circuit or On-load
Tapping Range: Options of ±5%, ±2x2.5%, ±4x2.5% available
Frequency Options: Provides flexibility with options of 50Hz or 60Hz
Phases: Offered in Three-phase or single-phase configurations
Connection Symbol: Dyn11, Yyn0, with the possibility of customization upon request
Short-circuit Impedance: Follows the Standard Impedance criteria
Operational Conditions: Altitude should not surpass 1000m, and ambient temperature should remain below 40°C
In scenarios where conditions deviate, necessary parameter adjustments will be executed, adhering to standard guidelines.
The S11-M series fully sealed oil-immersed power transformer, a crowning achievement by Chaotai Power, is characterized by its low energy loss, quiet operation, and exceptional efficiency. It represents a superior energy-saving solution that drastically reduces pollution.
Unlike conventional oil-immersed transformers, this cutting-edge fully sealed design eliminates the oil conservator. It adeptly manages oil volume changes through the flexible corrugated oil tank, ensuring complete air isolation of the transformer. This crucial feature not only prevents the degradation of oil and aging of insulation but also significantly enhances reliability while removing the need for periodic 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 shining beacon in the realm of electrical integration, renowned for our technological prowess. As a celebrated high-tech enterprise, we boast a dedicated team specializing in R&D, production, and service. Fortified by over 15 years of invaluable industry experience, our unwavering pursuit of excellence positions us as pioneers of innovation.
Our diverse 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. These cutting-edge products are indispensable across a multitude of sectors: energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Expanding to encompass both commercial and residential applications, we are proud to power the future with transformative solutions that redefine boundaries.
Driven by a philosophy of relentless technological innovation and 'smart manufacturing,' we are dedicated to fostering a culture of excellence by integrating high-caliber technical talents. This strategic focus enhances our core competencies, ensuring unmatched service value for our clients. Our growth journey is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Anchored in innovation, our business strategy emphasizes quality as the cornerstone of survival, market reputation as the path to development, and management efficiency as the key to profitability. We harness 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management initiatives. Our strategic vision is to amplify market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that are faster, stronger, and higher. Integrity, unparalleled quality, exceptional service, and customer satisfaction are our core values. We are relentless in our pursuit of excellence, perpetually innovating to establish a brand synonymous with trust. The acknowledgment from our customers fuels our ambition. We extend heartfelt 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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