Product Description



Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer! Crafted with precision by Zhejiang Chaotai Complete Equipment Co., Ltd., this transformer is synonymous with innovation, offering unprecedented low energy loss, whisper-quiet operation, and exceptional efficiency. It's an epitome of green technology, significantly reducing pollution and environmental footprints. The design eliminates the need for an oil conservator, featuring a state-of-the-art corrugated oil tank that seamlessly adjusts to oil volume changes. This ensures a perfectly sealed system, protecting it from air exposure, preventing oil deterioration, and extending the life of insulation materials. Experience enhanced operational reliability with this maintenance-free marvel under standard conditions.
1. Power Capacity: Offering a robust capacity range from 25-2500KVA, with flexible options like 24KV, 30KV, 33KV, 35KV, 36KV, and bespoke configurations to cater to distinct customer needs. 2. Voltage Level: Available in a versatile array of 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options for versatile functional adaptability.
4. Tapping Range: Offering multiple customizable options like ±5%, 2x2.5%, or ±4x2.5% to meet a wide array of power demands.
5. Frequency: Accessible in both 50Hz and 60Hz, meeting regional compatibility needs effortlessly.
6. Phases: Available in both Three-phase and single-phase to accommodate varied application requirements.
7. Connection Symbol: Choose from standard configurations such as Dyn11, Yyn0, or customize them effortlessly to meet specific requirements.
8. Short-circuit Impedance: Engineered with Standard Impedance to ensure consistent and reliable performance.
9. Operational Conditions: Expertly designed to excel at altitudes up to 1000m and ambient temperatures below 40°C. If conditions vary, parameters are adjustably aligned to standard protocols.
All modifications strictly comply with industry standards, ensuring performance excellence and reliability.
Power Capacity: Offers a versatile range from 25-2500KVA to fulfill diverse energy requirements.
Voltage Levels: Encompassing 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, ensuring broad adaptability.
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit and On-load variants for adaptable control solutions.
Tapping Range: Provides configurations such as ±5%, ±2x2.5%, ±4x2.5% to fulfill specific requirements.
Frequency Options: Choose between 50Hz or 60Hz to correspond with local standards.
Phases: Offered in both Three-phase and single-phase to match multiple application needs.
Connection Symbol: Standard options include Dyn11, Yyn0, with fully customizable configurations available.
Short-circuit Impedance: Designed with Standard Impedance to provide assured and reliable functioning.
Operational Conditions: Engineered for optimal performance at altitudes not exceeding 1000m and temperatures below 40°C.
Should operational conditions differ, parameter adjustments will be made in strict compliance with standard protocols.
The fully sealed oil-immersed power transformer is a testament to Chaotai Power's pioneering spirit, excelling with exceptionally low energy loss, quiet operation, and superb efficiency. It's a beacon of energy-saving innovation, markedly reducing 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 as a beacon of technological brilliance and mastery in the ever-evolving arena of electrical integration. Celebrated as a high-tech enterprise, our esteemed team, enriched with over 15 years of unrivaled industry prowess, spearheads innovation in research, development, production, and service. Our steadfast dedication to groundbreaking innovation distinguishes us as pioneers, relentlessly advancing the frontiers of excellence and setting new benchmarks for performance and reliability.
Our expansive product range showcases our cutting-edge innovations and leadership in technology. We proudly present high-voltage solid-state soft starters, sophisticated capacitor cabinets, versatile high and low voltage switchgear, cutting-edge gas-insulated switchgear, and advanced substations. These exceptional products are indispensable across a multitude of sectors, including energy, chemical industries, metal smelting, electrical grids, industrial production, education, healthcare, municipal commerce, water management, hydropower, and road traffic systems. Catering to both commercial enterprises and residential demands, we are at the forefront of powering the future with our pioneering solutions, enhancing efficiency and reliability across the board.
Our philosophy of 'smart manufacturing' and relentless pursuit of technological excellence fuels a culture of outstanding achievement. By integrating top-tier technical talents, we continually enhance our core capabilities, delivering extraordinary value to our clients. Our remarkable growth journey mirrors our ethos of transforming inception into industry leadership through unwavering dedication to excellence. Innovation stands as the cornerstone of our strategic priorities, with quality as the foundation of our enduring legacy. Our market reputation drives our growth trajectory, while management efficiency fuels profitability. Our unwavering commitment to 'technology as the guide, standardized management, superior quality, and customer satisfaction' embodies the pillars of our quality and talent management strategy. We aspire to elevate market competitiveness, serving China's electric power and grid sectors with visionary ambition. Integrity, unmatched quality, exceptional service, and customer satisfaction are at the heart of our values. We strive for excellence, continuously innovating to build a brand of trust and reliability. Our customers' appreciation inspires our ambitions, and we extend heartfelt gratitude to our loyal patrons, both new and long-standing. Join us with Senhang Technology on this shared journey towards an even brighter tomorrow.
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.