Product Description



Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, a triumph of engineering by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is celebrated for its significantly reduced energy loss, whisper-quiet operation, and unparalleled efficiency. As a leader in energy-saving technology, it substantially cuts pollution and minimizes its environmental footprint. Setting itself apart from traditional oil-immersed transformers, this state-of-the-art model eliminates the necessity for an oil conservator. The ingeniously crafted corrugated oil tank expertly self-regulates in response to changes in oil volume, preserving a perfectly sealed environment to shield the transformer from air exposure. This pioneering feature effectively prevents oil deterioration, dramatically prolongs the lifespan of insulation materials, and greatly enhances operational reliability—all without the need for routine maintenance under normal circumstances.
1. Power Capacity: Provides a broad spectrum from 25-2500KVA, with adaptable options such as 24KV, 30KV, 33KV, 35KV, 36KV, alongside tailor-made configurations to meet specific customer demands. 2. Voltage Level: Available in a wide range including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Features both Off-circuit and On-load options for versatile functionality.
4. Tapping Range: Offers a diverse array of selections like ±5%, ±2x2.5%, or ±4x2.5% to meet varied power needs.
5. Frequency: Available in both 50Hz and 60Hz, ensuring it meets regional specifications with ease.
6. Phases: Available in both Three-phase and single-phase configurations to accommodate diverse applications.
7. Connection Symbol: Select from standard configurations like Dyn11, Yyn0, or customize to your exact specifications effortlessly.
8. Short-circuit Impedance: Designed with Standard Impedance to ensure steady and dependable performance.
9. Operational Conditions: Expertly designed for altitudes up to 1000m and ambient temperatures below 40°C. If conditions differ, parameters will be adjusted following standard protocols.
All modifications are meticulously aligned with industry standards, ensuring optimal performance and unwavering dependability.
Power Capacity: Expansive range from 25-2500KVA to fulfill diverse energy requirements.
Voltage Levels: Spans across 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, offering extensive flexibility.
Voltage Level Overview:
Type of Voltage Regulation: Comes in both Off-circuit and On-load variants for adaptable control solutions.
Tapping Range: Offers configurations like ±5%, ±2x2.5%, ±4x2.5% to suit specific needs.
Frequency Options: Choose either 50Hz or 60Hz to align perfectly with local standards.
Phases: Available in both Three-phase and single-phase to serve multiple applications.
Connection Symbol: Standard options include Dyn11, Yyn0, with fully customizable configurations readily accessible.
Short-circuit Impedance: Furnished with Standard Impedance for reliable and consistent operation.
Operational Conditions: Engineered for peak performance at altitudes not exceeding 1000m and temperatures below 40°C.
In the event operational conditions vary, suitable parameter adjustments will be executed in line with standard guidelines.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's pioneering innovation, excels with exceptionally low energy loss, whisper-quiet operation, and supreme efficiency. It embodies a powerful 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

Welcome to Zhejiang Chaotai Complete Equipment Co., Ltd., a beacon of technological brilliance in the ever-evolving realm of electrical integration. Celebrated as a high-tech enterprise, we boast a stellar team with over 15 years of unrivaled expertise, positioning us at the forefront of research, development, production, and service. Our steadfast commitment to groundbreaking innovation distinguishes us as true pioneers, perpetually advancing the frontiers of excellence.
Our vast and diverse product portfolio exemplifies our state-of-the-art innovations. We proudly offer high-voltage solid-state soft starters, cutting-edge capacitor cabinets, a versatile range of high and low voltage switchgear, sophisticated gas-insulated switchgear, and pioneering substations. These superior products are indispensable across a multitude 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 enterprises and residential demands, we power the future with our groundbreaking solutions.
Embodying a philosophy of 'smart manufacturing' and relentless technological progress, we cultivate a culture of excellence. By integrating elite technical talents, we amplify our core competencies, consistently delivering exceptional value to our clients. Our extraordinary growth narrative echoes our ethos of transforming inception into industry leadership with unwavering dedication. Innovation serves as the cornerstone of our strategy, founded on quality as our longevity's bedrock, market reputation steering our growth path, and management efficiency propelling profitability. Our commitment to 'technology as the guide, standardized management, superior quality, and customer satisfaction' embodies our quality and talent management pillars. We strive to enhance market competitiveness, ambitiously serving China's electric power and grid sectors. Integrity, unparalleled quality, exemplary service, and customer satisfaction define the essence of our values. Persistently pursuing excellence, we ceaselessly innovate to forge a brand synonymous with trust. Our customers' appreciation inspires our aspirations, and we extend profound gratitude to our devoted patrons, both new and enduring. Embark on a shared journey towards a luminous future with Senhang Technology.
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.