Product Description
Oil Immersed Series Transformer:
The S11-M series, a fully sealed oil immersed power transformer from Chaotai Power, is engineered to offer outstanding performance with its exceptional features such as low loss, minimal noise, and superior efficiency. This results in not only significant energy savings but also a reduction in pollution. In contrast to conventional oil immersed transformers, this innovative sealed design eliminates the need for an oil conservator. The transformation in oil volume is effortlessly managed and adjusted through the flexible corrugated sheets of the oil tank. This design ensures the transformer remains isolated from external air, effectively slowing down the degradation of oil and insulation, thus improving operational reliability and eliminating the necessity for routine maintenance.
1. Power Capacity: Ranges from 25 to 2500KVA, available in 24KV, 30KV, 33KV, 35KV, 36KV, and customizable per customer requirements 2. Voltage Level Options: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Available in both Off-circuit and On-load options
4. Tapping Range: Options include ±5 %, 2x2.5 %, and ±4x2.5 %
5. Frequency: Available in both 50Hz and 60Hz
6. Phases: Configurable as either Three or Single phase
7. Connection Symbol: Options include Dyn11, Yyn0, or as specified by the customer
8. Short-circuit Impedance: Maintains Standard Impedance
9. Altitude: Suitable for areas with altitudes not exceeding 1000m, with ambient temperatures not exceeding 40°C. If these conditions are not met, we will adjust the parameters according to standard specifications.
Should the conditions not be met, we will adjust the parameters in accordance with standard specifications.
Power Capacity: Ranges from 25 to 2500KVA
Voltage Level: Options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, 30KV, 33KV, 35KV, and 36KV
Voltage Level:
Type of Voltage Regulation: Available as Off-circuit or On-load
Tapping Range: Options include ±5 %, 2x2.5 %, and ±4x2.5 %
Frequency: Available in both 50Hz and 60Hz
Phases: Configurable as either Three or Single phase
Connection Symbol: Options include Dyn11, Yyn0, or as specified by the customer
Short-circuit Impedance: Maintains Standard Impedance
Altitude and Temperature: Suitable for altitudes not exceeding 1000m and ambient temperatures not exceeding 40°C
In the event that these conditions are not met, we will adjust the parameters to comply with standard specifications.
The fully sealed oil immersed power transformer by Chaotai Power is a marvel of engineering, characterized by its low loss, low noise, and high efficiency. This translates into remarkable energy savings and a reduction in pollution, setting a new standard in transformer technology.
Unlike conventional oil immersed transformers, this fully sealed design does away with the oil conservator. The oil volume changes are seamlessly adjusted and compensated by the flexible corrugated sheets of the oil tank, ensuring the transformer is isolated from air exposure. This innovation helps prevent and significantly slow down oil degradation and insulation aging, enhancing operational reliability and negating the need for maintenance under normal operating 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 innovation in the realm of electrical integration. As a distinguished high-tech enterprise, we pride ourselves on our expert R&D, production, and service teams, each boasting over 15 years of unrivaled industry experience. Our commitment to excellence is steadfast, as we continuously endeavor to elevate standards in technology and service.
Our extensive portfolio of cutting-edge products includes high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, along with advanced gas-insulated switchgear and substations. Our innovative solutions are seamlessly integrated across a variety of sectors, including energy and chemical industries, metal smelting, and electric power grids. Furthermore, our products serve the industrial manufacturing domain, prestigious universities and research institutions, the medical and pharmaceutical sectors, as well as municipal commerce. We also cater to the water conservancy and hydropower sectors, facilitate road traffic management, and support both commercial and residential areas, ensuring robust and reliable performance at every step.
At the heart of Zhejiang ChaoTai's ethos lies a steadfast commitment to technological innovation and a pioneering 'smart manufacturing' philosophy. By actively recruiting top-tier technical talent, we aim to significantly bolster our core competitiveness and deliver unmatched value to our esteemed clientele. Since our inception, we have charted a remarkable journey from modest beginnings to industry excellence, driven by an unwavering belief in innovation and modern business practices. Our strategy is anchored in quality, market orientation, reputation, and efficiency. We adhere to guiding principles of 'technology leadership, standardized management, superior quality, and maximum customer satisfaction'. This approach not only enhances our market competitiveness but also propels us towards ambitious goals in serving China's electric power and grid transmission sectors with unmatched speed and strength. Integrity remains our foundation, quality our hallmark, service our prestige, and customer satisfaction our perpetual pursuit. Our dedication to excellence, ceaseless innovation, and the crafting of a reliable brand underscore our enduring mission. Your trust and recognition fuel our progress. We extend heartfelt gratitude to all our valued clients, both new and longstanding, for their unwavering support. Together with Senhang Technology, we eagerly anticipate forging a brighter future, hand in hand.
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.
Audited Supplier 
){kind=link}