Product Description
Oil Immersed Series Transformer:
Presenting the remarkable S11-M series, a cutting-edge, fully sealed oil-immersed power transformer, expertly crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This transformer boasts exceptional features such as minimal energy consumption, reduced operational noise, and superior efficiency, making it a pioneering energy solution. It significantly mitigates environmental pollution. This advanced model diverges from traditional oil-immersed versions by eliminating the need for an oil conservator. Its intelligent design automatically adapts to oil volume changes through the flexibility of the corrugated oil tank, effectively isolating the transformer from air exposure. This innovative feature curtails oil degradation, slows insulation aging, dramatically improves reliability, and completely eradicates the need for maintenance during standard operations.
1. Power Capacity: With a versatile range from 25-2500KVA, available in 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to align with client requirements 2. Voltage Level: Offered at 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV 3. Type of Voltage Regulation: Available in Off-circuit or On-load versions
4. Tapping Range: Flexibly set at ±5%, 2x2.5%, or ±4x2.5%
5. Frequency: Options include both 50Hz and 60Hz
6. Phases: Offered in both Three-phase and single-phase models
7. Connection Symbol: Available as Dyn11, Yyn0, with options for customization as needed
8. Short-circuit Impedance: Engineered for Standard Impedance
9. Operational Conditions: Designed for altitudes up to 1000m and temperatures below 40°C. If conditions exceed these limits, standard industry procedures will dictate parameter adjustments.
All modifications adhere strictly to industry standards.
Power Capacity: Ranges from 25-2500KVA
Voltage Levels: Extends across 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Offered in Off-circuit or On-load selections
Tapping Range: Available at ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Available in both 50Hz and 60Hz settings
Phases: Available in Three-phase or single-phase options
Connection Symbol: Configurable as Dyn11, Yyn0, with customization options available upon request
Short-circuit Impedance: Crafted with Standard Impedance
Operational Conditions: Built for altitudes not exceeding 1000m and ambient temperatures below 40°C
For different conditions, necessary parameter modifications will follow standard guidelines.
This fully sealed oil-immersed power transformer, a masterpiece of innovation from Chaotai Power, is designed for minimal energy loss, ultra-quiet operation, and exceptional efficiency. It is a leading energy-saving solution, significantly reducing environmental pollution.
This advanced fully sealed design, unlike traditional oil-immersed transformers, eliminates the oil conservator. It skillfully manages oil volume variations using the elasticity of the corrugated oil tank, keeping the transformer isolated from air. This essential feature not only prevents oil degradation and insulation aging but also enhances reliability and removes the need 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 tall as a luminary of pioneering technology and relentless innovation in the arena of electrical integration. Celebrated as a distinguished high-tech enterprise, we are empowered by our steadfast R&D, production, and service teams, fortified by a remarkable legacy spanning over 15 years of invaluable industry expertise. Our unwavering dedication to excellence elevates us as a trailblazer in innovation, consistently redefining industry standards and setting new benchmarks.
Our expansive and cutting-edge product portfolio showcases trailblazing solutions such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These indispensable products are integral across a diverse array of industries, spanning energy and chemical sectors to metal smelting, electric power grids, and industrial manufacturing. Furthermore, we extend our transformative reach into academia, healthcare, municipal commerce, water management, hydropower, and road traffic, impacting both commercial and residential landscapes. With pride, we power the future through our innovative solutions, making a profound impact across these vital sectors.
Anchored in a philosophy of relentless technological advancement and 'smart manufacturing,' our mission is to cultivate a culture of excellence by integrating top-tier technical talents and forward-thinking strategies. This strategic commitment amplifies our core strengths, ensuring we deliver unparalleled service excellence to our clients. Our growth narrative is a testament to our core values: evolving from modest beginnings to industry leadership through steadfast dedication and innovation. Our business strategy remains resolutely focused on quality as the foundation of survival, market reputation as the path to expansion, and management efficiency as the catalyst for profitability. We pledge to harness 'technology as our compass, standardized management, superior quality, and customer satisfaction' as the cornerstones of our quality and talent management initiatives. Our strategic vision is to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with ambitions that aim higher, reach farther, and achieve more. Integrity, unrivaled quality, exceptional service, and customer satisfaction are the essence of our values. Our relentless quest for excellence propels us to continually innovate, establishing our brand as a beacon of trust. The support and recognition of our esteemed customers fuel our ambition. We extend heartfelt gratitude to our cherished customers, both new and long-standing, and warmly invite you to join Zhejiang Chaotai on a shared journey towards 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.
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