Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series, a masterpiece in fully sealed oil-immersed power transformers, crafted with precision by Chaotai Power. Revel in its numerous advantages such as significantly reduced energy loss, low operational noise, and impressive efficiency. These features combine to offer outstanding energy-saving benefits while minimizing environmental impact. This fully sealed marvel, without the need for an oil conservator, ingeniously regulates oil volume through the flexible corrugated tank, ensuring the transformer is air-isolated. This cutting-edge design effectively decelerates oil deterioration and insulation aging, ramping up operational reliability and eliminating the need for routine maintenance.
1. Power Capacity: Ranges from a versatile 25-2500 KVA, adaptable to 24KV, 30KV, 33KV, 35KV, 36KV, or as per customer specifications. 2. Voltage Level: Customizable with a spectrum of options including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Choose between Off-circuit or On-load for tailored performance.
4. Tapping Range: Offers flexibility with ±5%, ±2x2.5%, ±4x2.5%.
5. Frequency: Available in both 50Hz and 60Hz to suit your needs.
6. Phases: Configurable for either Three-phase or Single-phase applications.
7. Connection Symbol: Options include Dyn11, Yyn0, or others upon request.
8. Short-circuit Impedance: Designed to meet Standard Impedance requirements.
9. Altitude not exceeding 1000m, ambient temperature not exceeding 40°C. If environmental conditions are more extreme,
we will adjust parameters in accordance with standards.
Power Capacity: Flexible range from 25 to 2500KVA.
Voltage Level Options: IOkV, 11kV, 20kV, 22KV, 30KV, 33KV, 35KV, 36KV.
Voltage Level:
Type of Voltage Regulation: Choose from Off-circuit or On-load.
Tapping Range: Offering ±5%, ±2x2.5%, ±4x2.5% for varied requirements.
Frequency: Options for both 50Hz and 60Hz are available.
Phases: Available as Three-phase or Single-phase.
Connection Symbol: Customizable with Dyn11, Yyn0, or as requested.
Short-circuit Impedance: Conforms to Standard Impedance.
Altitude: Up to 1000m; Ambient Temperature: Up to 40°C
Should conditions exceed these standards, we will adjust parameters accordingly.
The fully sealed oil-immersed power transformer, engineered by Chaotai Power, stands out with its low loss, minimal noise, and superior efficiency, providing remarkable energy savings while reducing environmental impact.
In contrast to conventional oil-immersed transformers, our fully sealed design eliminates the need for an oil conservator. The corrugated oil tank's elasticity facilitates automatic oil volume adjustment. This innovative isolation from air effectively mitigates oil degradation and insulation aging, enhancing operational reliability and negating 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 as a beacon of innovation in the realm of electrical integration. With a seasoned team excelling in research, development, production, and service, we boast over 15 years of unparalleled industry expertise, ensuring cutting-edge solutions and exceptional customer satisfaction.
Our diverse product range encompasses high-voltage solid-state soft starters, efficient capacitor cabinets, both high and low voltage switchgear, advanced gas-insulated switchgear, and robust substations. These solutions are trusted across a multitude of sectors including energy, chemicals, metal smelting, power grids, industrial manufacturing, academic institutions, healthcare, municipal commerce, water conservation, hydropower, transportation, as well as commercial and residential developments.
Embracing the ethos of technological innovation, our commitment to 'smart manufacturing' propels us forward. By attracting top-tier technical talent, we amplify our core competitiveness, aiming to deliver unparalleled value and establish ourselves as industry leaders. From our inception, we have transformed from humble beginnings to a hallmark of excellence, driven by innovation and a modern business approach that emphasizes quality, market focus, reputation-building, and management efficiency. We are guided by the principles of 'technology leadership, standardized management, and premium quality' to ensure customer satisfaction and enhance market competitiveness. Our dedication to serving China's power and grid sectors is unwavering, characterized by ambitious goals of speed, strength, and superiority. Integrity, quality, and service are our cornerstones, while customer satisfaction remains our perpetual mission. Our relentless pursuit of excellence and innovation underpins our goal of crafting a reliable brand. We cherish the recognition from our valued customers, whose support inspires us to achieve new heights. With heartfelt gratitude, Zhejiang ChaoTai Complete Equipment Co., Ltd. looks forward to forging a brighter future together with you.
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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