Product Description
Unveiling the Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, an engineering marvel crafted with precision and expertise by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer sets a new benchmark with its astonishingly low energy loss, tranquil operation, and unparalleled efficiency. It epitomizes energy conservation, dramatically reducing pollution and minimizing environmental footprint. Unlike conventional oil-immersed transformers, this state-of-the-art model eliminates the need for an oil conservator. Ingeniously utilizing the elasticity of the corrugated oil tank, it autonomously manages and compensates for oil volume changes, maintaining an impeccably sealed environment that shields the transformer from air exposure. This innovative feature effectively prevents oil degradation, substantially extends the insulation lifespan, and significantly enhances operational reliability—all while negating the need for routine maintenance during normal operation.
1. Power Capacity: Offering a versatile range from 25-2500KVA, with available options for 24KV, 30KV, 33KV, 35KV, 36KV, plus further customization tailored to specific client demands 2. Voltage Level: Available in a variety of options including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides both Off-circuit and On-load selections
4. Tapping Range: Flexible choices include ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Offers a selection between 50Hz and 60Hz
6. Phases: Available in versatile configurations of Three-phase or single-phase
7. Connection Symbol: Standard configurations such as Dyn11, Yyn0 (or fully customizable to suit specific needs)
8. Short-circuit Impedance: Comes equipped with Standard Impedance
9. Operational Conditions: Engineered for altitudes up to 1000m and ambient temperatures below 40°C. Should these conditions vary, we will perform necessary parameter adjustments according to standard protocols.
All modifications strictly comply with industry standards.
Power Capacity: Spans an adaptable range from 25-2500KVA
Voltage Levels: A variety of options from 10KV to 36KV to suit diverse requirements
Comprehensive Voltage Level Overview:
Type of Voltage Regulation: Available with both Off-circuit or On-load options
Tapping Range: Offers versatile options including ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: A choice between 50Hz or 60Hz for optimal flexibility
Phases: Versatile configurations available in Three-phase or single-phase
Connection Symbol: Standard configurations like Dyn11, Yyn0 (tailored customization available upon request)
Short-circuit Impedance: Equipped with Standard Impedance for reliable performance
Operational Conditions: Ideally suited for altitudes not exceeding 1000m, and ambient temperatures remaining below 40°C
Should operational conditions deviate from the norm, necessary parameter adjustments are implemented, strictly adhering to 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 supreme efficiency. It stands as an outstanding energy-saving solution that significantly curtails pollution.
Departing from conventional oil-immersed transformers, this fully sealed design eliminates the requirement for an oil conservator. It adeptly handles oil volume changes through the elastic capabilities of the corrugated oil tank sheet, ensuring the transformer remains insulated from air. This crucial feature prevents oil deterioration, delays insulation aging, and significantly enhances reliability, removing the need for frequent 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. is a paragon of technological brilliance in the ever-evolving realm of electrical integration. As a distinguished high-tech enterprise, we proudly present a highly proficient R&D, production, and service team, fortified by over 15 years of priceless industry experience. Our steadfast dedication to achieving exceptional excellence distinguishes us as a vanguard in innovation.
Our expansive and varied product line boasts cutting-edge innovations, such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These remarkable products have become indispensable across numerous sectors including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, extending their applications to both commercial and residential realms. We take immense pride in empowering the future with our revolutionary solutions.
Rooted in a philosophy of relentless technological progress and 'smart manufacturing,' we are wholeheartedly committed to nurturing a culture of excellence through the integration of top-tier technical talents. This strategic approach amplifies our core strengths, ensuring we consistently deliver unsurpassed service value to our clients. Our remarkable journey of growth is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy firmly hinges on innovation, with an unwavering commitment to quality as the bedrock of our longevity, market reputation as the gateway to advancement, and management efficiency as the catalyst of profitability. We are dedicated to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management initiatives. Our strategic vision is to enhance our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that reach new heights. Integrity, unparalleled quality, exceptional service, and customer satisfaction form the core of our values. We persistently strive for excellence, continuously innovating to establish a brand synonymous with trust. The appreciation of our customers propels our ambitions. We express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to embark on a shared journey with Senhang Technology towards a 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.
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