Product Description



Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, a marvel of modern engineering by Zhejiang Chaotai Complete Equipment Co., Ltd. This transformer is celebrated for its impressively low energy consumption, whisper-quiet operation, and unparalleled efficiency. A paradigm of energy conservation, it significantly reduces environmental pollution and impact. This innovative model eliminates the traditional oil conservator, utilizing a smartly designed corrugated oil tank that self-adjusts to oil volume changes, ensuring a perfectly sealed environment that protects the transformer from air exposure. This ingenious design feature prevents oil degradation, extends the lifespan of insulation materials, and boosts operational reliability—all without the need for routine maintenance under normal conditions.
1. Power Capacity: Offering a wide range from 25-2500KVA, including versatile options like 24KV, 30KV, 33KV, 35KV, 36KV, as well as customizable configurations to match specific customer requirements. 2. Voltage Level: Available across 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV, catering to varied needs. 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options for adaptable control.
4. Tapping Range: Features flexible selections such as ±5%, 2x2.5%, or ±4x2.5% to address different power demands.
5. Frequency: Available in 50Hz and 60Hz, ensuring compatibility with diverse regional standards.
6. Phases: Available in both Three-phase and single-phase setups to suit various applications.
7. Connection Symbol: Choose from standard connections like Dyn11, Yyn0, or customize to your exact specifications effortlessly.
8. Short-circuit Impedance: Designed with Standard Impedance, delivering consistent and trustworthy performance.
9. Operational Conditions: Expertly crafted for optimal performance at altitudes up to 1000m and temperatures below 40°C. Parameters will be adjusted according to standard protocols if conditions differ.
All modifications adhere strictly to industry standards, ensuring peak performance and reliability.
Power Capacity: Provides a range from 25-2500KVA to fulfill various energy needs.
Voltage Levels: Offering a broad spectrum from 10KV to 36KV, ensuring extensive adaptability across diverse applications.
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit and On-load variants for flexible and precise control options.
Tapping Range: Offers configurations like ±5%, ±2x2.5%, ±4x2.5% to meet specific power requirements.
Frequency Options: Choose either 50Hz or 60Hz to align with regional standards seamlessly.
Phases: Supplied in both Three-phase and single-phase configurations to cater to various applications.
Connection Symbol: Standard options include Dyn11, Yyn0, with fully customizable configurations readily available for unique needs.
Short-circuit Impedance: Equipped with Standard Impedance for reliable and dependable operation.
Operational Conditions: Engineered for optimal performance at altitudes not exceeding 1000m and temperatures below 40°C.
When operational conditions differ, appropriate parameter adjustments will be made in line with standard guidelines.
The fully sealed oil-immersed power transformer, an epitome of Chaotai Power's innovative prowess, boasts impressively low energy loss, quiet operation, and exceptional efficiency. It stands as a robust energy-saving solution that markedly reduces pollution.
5f038547
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 tall as a beacon of technological brilliance in the ever-evolving sphere of electrical integration. Lauded as a high-tech enterprise, we are propelled by a distinguished team armed with over 15 years of unmatched industry expertise, positioning us as leaders in research, development, production, and service arenas. Our steadfast dedication to groundbreaking innovation distinguishes us as trailblazers, consistently advancing the frontiers of excellence.
Our extensive product suite showcases our forefront innovations. We proudly present high-voltage solid-state soft starters, capacitor cabinets, a diverse array of high and low voltage switchgear, cutting-edge gas-insulated switchgear, and sophisticated substations. These superior products are indispensable across a myriad of sectors, such as energy, chemical industries, metal smelting, electric grids, industrial production, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Catering to both commercial and residential demands, our pioneering solutions empower a sustainable future.
Guided by our philosophy of 'smart manufacturing' and unceasing technological progression, we nurture a culture of excellence. By incorporating top-tier technical talents, we bolster our core strengths, unfailingly providing exceptional value to our clients. Our extraordinary growth journey embodies our belief in evolving from inception to industry supremacy through steadfast dedication. Innovation forms the cornerstone of our strategy, with quality as the foundation of our endurance, market reputation charting our growth path, and management efficiency as the engine of profitability. Our pledge to 'technology as the guide, standardized management, superior quality, and customer satisfaction' underpins the pillars of our quality and talent management. We aspire to amplify market competitiveness, serving China's electric power and grid sectors with visionary foresight. Integrity, unparalleled quality, outstanding service, and customer satisfaction are the quintessence of our values. We pursue excellence, perpetually innovating to construct a brand synonymous with trustworthiness. Our customers' appreciation propels our ambitions, and we extend sincere gratitude to our devoted patrons, both fresh and enduring. Join us with Senhang Technology on an allied journey toward a luminous 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.