Product Description
Oil Immersed Series Transformer:
The S11-M series, expertly crafted by Zhejiang Chaotai Power, represents a cutting-edge advancement in fully sealed oil-immersed power transformers. Offering unparalleled benefits such as minimal loss, whisper-quiet operation, and outstanding efficiency, this transformer is designed to deliver exceptional energy savings while minimizing environmental impact. Unlike traditional transformers, this innovative model eliminates the need for an oil conservator. It features a corrugated oil tank whose elasticity automatically adjusts and compensates for changes in oil volume. This state-of-the-art design ensures the transformer remains isolated from the air, thus significantly slowing oil deterioration and insulation aging. The enhanced reliability and reduced need for maintenance ensure seamless and worry-free operation under normal conditions.
1. Power Capacity: 25-2500KVA, 24KV, 30KV, 33KV, 35KV, 36KV and customizable as per customer requirements. 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Off-circuit or On-load.
4. Tapping Range: ±5%, 2x2.5%, ±4x2.5% for versatile applications.
5. Frequency: Designed to accommodate both 50Hz and 60Hz systems.
6. Phases: Available in both Three-phase or Single-phase configurations.
7. Connection Symbol: Dyn11, Yyn0 (or customizable based on request).
8. Short-circuit Impedance: Engineered with Standard Impedance for optimal performance.
9. Altitude is not exceeding 1000m, and ambient temperature not exceeding 40°C. If conditions are not met, we will adjust parameters in accordance with standard practices.
Adhering to standard protocols, we ensure all parameters are adjusted to meet varying conditions.
Power Capacity: Ranging from 25-2500KVA, designed for diverse energy requirements.
Voltage levels from IOkV to 36kV, customizable to meet specific needs.
Voltage Level:
Type of Voltage Regulation: Offers Off-circuit or On-load options.
Tapping Range: Flexibly adjustable at ±5%, ±2x2.5%, ±4x2.5%.
Frequency: Compatible with both 50Hz and 60Hz systems.
Phases: Customizable as Three-phase or Single-phase.
Connection Symbol: Dyn11, Yyn0 (adjustable as per request).
Short-circuit Impedance: Conforms to Standard Impedance.
Operational Conditions: Altitude not exceeding 1000m, ambient temperature not exceeding 40°C.
Modifications will be made to meet standard parameters if conditions exceed the norm.
Fully sealed oil-immersed transformers by Chaotai Power boast features such as low loss, minimal noise, and high efficiency, driving energy savings while reducing pollution effectively.
This fully sealed transformer surpasses traditional models by eliminating the oil conservator. Its corrugated sheet oil tank automatically adjusts to oil volume changes, remaining air-isolated to significantly slow oil deterioration and insulation aging. This innovation enhances operational reliability and minimizes maintenance needs under normal conditions.
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 high-tech innovation in the realm of electrical integration. With a stellar legacy of over 15 years, our dedicated R&D, production, and service team brings unparalleled expertise and commitment to the industry.
Our diverse product lineup features high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and robust substations. These advanced solutions find extensive applications across a myriad of sectors, including energy and chemical industries, metal smelting, power grids, industrial manufacturing, educational institutions, medical and pharmaceutical sectors, municipal commerce, water conservancy and hydropower, road traffic management, as well as in commercial and residential settings.
At the heart of our ethos is a relentless pursuit of technological innovation and a steadfast commitment to 'smart manufacturing.' By fostering a culture of excellence, we actively recruit top-tier technical talent, bolstering our core competencies to offer unparalleled value to our clients. From our humble beginnings, we have charted a course of steady progress, turning potential into achievement, and striving for excellence at every step. Our business strategy hinges on quality as the key to survival, reputation as the cornerstone of growth, and management as the engine of efficiency. By adhering to the tenets of 'technology leadership, standardized management, superior quality, and customer satisfaction,' we sharpen our competitive edge in the market. Our unwavering goal is to serve China's electric power and grid sectors with unmatched speed, power, and ambition. We hold integrity as our foundation, prioritize exceptional quality, and place supreme importance on service, with customer satisfaction as our eternal mission. The pursuit of excellence and continuous innovation drives us to build a brand worthy of trust. Your recognition fuels our passion, and we extend our heartfelt gratitude to all our loyal customers. Senhang Technology eagerly anticipates a future of shared success and collaboration, forging a brighter tomorrow together.
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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