Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series fully sealed oil-immersed power transformer, a groundbreaking innovation by Zhejiang Chaotai Complete Equipment Co., Ltd.! This marvel of engineering offers unparalleled advantages including exceptionally low loss, reduced noise levels, and remarkable efficiency. Designed to champion energy conservation, it significantly diminishes pollution. Unlike ordinary oil-immersed transformers, our fully sealed variant forgoes the traditional oil conservator. Instead, it ingeniously adjusts oil volume changes through the flexible corrugated sheet within the tank. Being air-isolated, it curtails oil degradation and insulation aging, assuring heightened operational reliability while minimizing maintenance demands.
1. Power Capacity: A robust range of 25-2500KVA, with adaptability to 24KV, 30KV, 33KV, 35KV, 36KV, and other specifications per customer requirements. 2. Voltage Level: Offers a wide spectrum including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Voltage Regulation Type: Choose between Off-circuit or On-load regulation.
4. Tapping Range: Versatile options at ±5%, ±2x2.5%, ±4x2.5% for precision and adaptability.
5. Frequency: Available in both 50Hz and 60Hz, catering to varied systems.
6. Phases: Configurable for Three-phase or Single-phase applications.
7. Connection Symbol: Flexibility with Dyn11, Yyn0, or custom symbols as requested.
8. Short-circuit Impedance: Adheres to Standard Impedance protocols, ensuring reliability under duress.
9. Altitude Limitations: Suitable for altitudes not exceeding 1000m and ambient temperatures not surpassing 40°C. Should conditions require, parameters are modifiable.
to align with established standards, ensuring optimal performance even in varied environments.
Power Capacity: A comprehensive range of 25-2500KVA, designed to meet diverse energy demands.
Voltage Levels: From 10KV to 36KV, including 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV.
Voltage Level:
Voltage Regulation Type: Options include Off-circuit or On-load to suit varying operational needs.
Tapping Range: Precision control with ±5%, ±2x2.5%, ±4x2.5% adjustments available.
Frequency: Offers both 50Hz and 60Hz options, accommodating different energy infrastructures.
Phases: Offers flexibility with Three-phase or Single-phase configurations.
Connection Symbol: Options include Dyn11, Yyn0, or customized as per specific requirements.
Short-circuit Impedance: Complies with Standard Impedance, ensuring performance under stress.
Altitude and Temperature Limits: Designed for altitudes up to 1000m and temperatures up to 40°C.
In cases where conditions vary, parameter adjustments are made to maintain compliance with standards.
Our state-of-the-art fully sealed oil-immersed power transformer, crafted by Chaotai Power, boasts low loss, minimal noise, and superior efficiency. It’s your partner in achieving energy savings and reducing environmental impact.
Compared to conventional oil-immersed transformers, our advanced fully sealed design eliminates the need for an oil conservator. It manages oil volume changes with a corrugated sheet's elasticity, ensuring isolation from air and preventing oil degradation and insulation aging. This innovation enhances operational reliability, reducing maintenance and ensuring optimal performance throughout its service life.
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
Introducing Zhejiang Chaotai Complete Equipment Co., Ltd., a trailblazing high-tech enterprise at the forefront of electrical integration. With an illustrious team boasting over 15 years of refined industry expertise, we excel in R&D, production, and exemplary service.
Our diverse product portfolio features cutting-edge high-voltage solid-state soft starters, versatile capacitor cabinets, sophisticated high and low voltage switchgear, advanced gas-insulated switchgear, and robust substations. These innovative solutions find widespread application across a myriad of sectors including energy and chemical industries, metal smelting, electric power grids, industrial manufacturing, alongside prominent universities and research institutions. Additionally, they serve the medical and pharmaceutical fields, bolster municipal commerce, support water conservancy and hydropower activities, streamline road traffic, and enhance both commercial and residential infrastructures.
Firmly rooted in the pursuit of technological innovation, we embrace a 'smart manufacturing' philosophy, proactively integrating top-tier technical talent to fortify our core competitive edge. Our unwavering commitment is to deliver exceptional value to our clientele and ascend as the industry's leading brand. Since our inception, Zhejiang Chaotai has dynamically evolved, transforming from humble beginnings to industry excellence. We are steadfast in our dedication to innovation, quality, market alignment, and efficiency—hallmarks of our progressive business ethos. Embodying 'technology as the guide, standardized management, excellent quality, and customer satisfaction,' we continuously elevate our market standing and diligently serve China's electric power and grid domains, with aspirations of achieving faster, stronger, and loftier objectives. Integrity, unsurpassed quality, and unparalleled service are the cornerstones of our mission, with customer satisfaction as our eternal pursuit. Our relentless drive for excellence and commitment to innovation underpin our aspiration to forge a brand synonymous with trust. Your recognition propels us forward, and we extend our heartfelt gratitude to all our valued customers for their unwavering support. Together with Senhang Technology, we eagerly anticipate a collaborative 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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