Product Description



Oil Immersed Series Transformer: The epitome of advanced power solutions.
Introducing the extraordinary S11-M series, a fully sealed oil-immersed power transformer meticulously engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This distinguished transformer features unparalleled traits of minimal energy consumption, low operational noise, and outstanding efficiency. Serving as an exemplary energy solution, it dramatically curtails environmental pollution. In stark contrast to conventional oil-immersed variants, this sophisticated model forgoes the necessity of an oil conservator. Its intelligent design autonomously adjusts to oil volume shifts using the corrugated oil tank's flexibility, effectively sealing the transformer from air exposure. This state-of-the-art feature prevents oil degradation, retards insulation aging, and significantly augments operational reliability, all the while eliminating the need for maintenance in routine operations.
1. Power Capacity: From 25-2500KVA, with adaptable options for 24KV, 30KV, 33KV, 35KV, 36KV, all customizable to meet your unique specifications. 2. Voltage Level: Available in an extensive range including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV to perfectly align with your power requirements. 3. Type of Voltage Regulation: Both Off-circuit and On-load variations to suit diverse operational demands.
4. Tapping Range: Ingeniously configurable at ±5%, 2x2.5%, or ±4x2.5% for precise power adjustments.
5. Frequency: Carefully tailored options for either 50Hz or 60Hz to match your specific power grid needs.
6. Phases: Versatile configurations available in Three-phase or single-phase to accommodate all electrical setups.
7. Connection Symbol: Available in Dyn11, Yyn0, with expansive customization options to meet bespoke requirements.
8. Short-circuit Impedance: Thoughtfully designed with Standard Impedance for optimal safety and performance.
9. Operational Conditions: Perfectly suited for altitudes up to 1000m and temperatures below 40°C. Industry-standard adjustments ensure seamless performance in varying conditions.
All necessary adjustments will be in strict compliance with industry standards, guaranteeing exceptional performance.
Power Capacity: Broad range spanning 25-2500KVA to fulfill all power needs.
Voltage Levels: Encompassing 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV to perfectly match your specifications.
Voltage Level Overview: A comprehensive array of options for versatile power solutions.
Type of Voltage Regulation: Available in adaptable Off-circuit or On-load options for seamless integration.
Tapping Range: Offered at ±5%, ±2x2.5%, ±4x2.5%, allowing for precision tuning of your power supply.
Frequency Options: Choose between 50Hz or 60Hz modes to align with your energy requirements.
Phases: Options featuring Three-phase or single-phase configurations for maximum adaptability.
Connection Symbol: Configurable as Dyn11, Yyn0, with extensive customization options tailored to your needs.
Short-circuit Impedance: Expertly engineered with Standard Impedance for reliable, safe operation.
Operational Conditions: Designed for altitudes not exceeding 1000m, with ambient temperatures not exceeding 40°C, ensuring optimal performance.
In cases where conditions differ, we will perform necessary parameter adjustments in adherence to standard guidelines, ensuring continued excellence.
This fully sealed oil-immersed power transformer, a marvel of innovation from Chaotai Power, is crafted for low energy loss, whisper-quiet operation, and exceptional efficiency. It stands as a premier energy-saving solution, dramatically reducing pollution.
Unlike conventional oil-immersed transformers, this fully sealed design forgoes the oil conservator. It adeptly manages oil volume variations with the elasticity of the corrugated oil tank sheet, ensuring the transformer remains isolated from air. This crucial feature not only prevents oil degradation and insulation aging but also enhances reliability and eliminates the need for routine 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 shining beacon of innovation and technological prowess in the field of electrical integration. Celebrated as a prestigious high-tech enterprise, our company exemplifies commitment with a team of dedicated R&D, production, and service professionals, bolstered by an impressive 15-year legacy of industry excellence. This relentless pursuit of perfection elevates our status as an innovation leader, continuously setting new standards in the industry.
Our expansive and advanced product lineup features groundbreaking solutions such as high-voltage solid-state soft starters, capacitor cabinets, as well as high and low voltage switchgear, including gas-insulated options and substations. These essential products are crucial across a myriad of industries, from energy and chemicals to metal smelting, electric power grids, and industrial manufacturing. We extend our expertise to academia, healthcare, municipal commerce, water management, hydropower, and road traffic, impacting both commercial and residential spheres. Proudly, we empower the future with our transformative solutions, leaving a significant mark on these vital sectors.
Guided by a philosophy of relentless technological advancement and 'smart manufacturing,' we are devoted to fostering a culture of excellence by integrating premier technical talent and innovative strategies. This strategic dedication fortifies our core competencies, delivering unmatched service value to our clients. Our journey from humble beginnings to industry leadership is a testament to our core values of dedication and innovation. Our business strategy focuses steadfastly on quality as the keystone of survival, market reputation as the pathway to growth, and management efficiency as the key to profitability. We are committed to using 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management frameworks. Our strategic vision is to enhance our competitive edge, serving China's electric power and grid transmission and distribution sectors with ambitions that soar higher, reach further, and achieve greater. Integrity, unrivaled quality, exceptional service, and customer satisfaction form the core of our principles. Our unyielding quest for excellence fuels perpetual innovation, establishing our brand synonymous with trust. The recognition from our valued customers inspires our aspirations. We extend our heartfelt gratitude to our loyal 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.