Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, crafted with precision and advanced technology by the esteemed Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer is engineered to deliver unparalleled performance with its remarkably low energy loss, ultra-quiet operation, and superior efficiency. It sets a new benchmark for energy conservation, significantly reducing pollution and minimizing its ecological footprint. Departing from conventional oil-immersed transformers, this innovative model dispenses with the need for an oil conservator. Its ingenious corrugated oil tank's elasticity autonomously manages and compensates for oil volume variations, ensuring a perfectly sealed environment that protects the transformer from air exposure. This revolutionary feature effectively forestalls oil degradation, extends the insulation's lifespan, and enhances operational reliability, all while eliminating the need for routine maintenance under normal usage conditions.
1. Power Capacity: Versatile range from 25-2500KVA, with capabilities extending to 24KV, 30KV, 33KV, 35KV, 36KV, plus further customization options tailored to specific customer requirements 2. Voltage Level: Available in diverse options including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Offers both Off-circuit and On-load configurations to suit your needs
4. Tapping Range: Choose from a range of options including ±5%, 2x2.5%, ±4x2.5% to precisely match your requirements
5. Frequency: Flexible selections of either 50Hz or 60Hz available
6. Phases: Configurable in either Three-phase or single-phase arrangements to accommodate your system needs
7. Connection Symbol: Dyn11, Yyn0 (or customizable to perfectly align with your specifications)
8. Short-circuit Impedance: Incorporates Standard Impedance for reliable performance
9. Operational Conditions: Engineered for altitudes not exceeding 1000m, and ambient temperatures below 40°C. If these conditions are not met, we will tailor parameter adjustments in adherence to industry-standard protocols.
All adjustments will be meticulously conducted in accordance with industry standards to ensure optimal performance.
Power Capacity: Offering a variable range of 25-2500KVA to suit diverse applications
Voltage Levels: Available in multiple options including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Choose between Off-circuit or On-load configurations to match your operational preferences
Tapping Range: Offers options such as ±5%, ±2x2.5%, ±4x2.5% to provide precise control
Frequency Options: Select from either 50Hz or 60Hz to suit your system compatibility
Phases: Available in a choice of Three-phase or single-phase configurations
Connection Symbol: Dyn11, Yyn0 (fully customizable upon request to fit your requirements)
Short-circuit Impedance: Comes equipped with Standard Impedance for dependable performance
Operational Conditions: Ideally suited for altitudes not surpassing 1000m, with ambient temperatures not exceeding 40°C
Should conditions deviate from the standard, necessary parameter adjustments will be executed, strictly adhering to standard guidelines.
The fully sealed oil-immersed power transformer, a pinnacle of technological innovation by Chaotai Power, excels with remarkably low energy loss, silent operation, and unrivaled efficiency. It is an exceptional energy-saving solution that profoundly reduces environmental pollution.
In a departure from conventional designs, this fully sealed configuration negates the need for an oil conservator. It skillfully manages oil volume changes via the elastic properties of the corrugated oil tank sheet, ensuring the transformer remains insulated from air exposure. This crucial feature not only prevents oil deterioration and delays insulation aging but also significantly enhances reliability, eliminating the requirement for regular 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. represents the pinnacle of technological mastery in the ever-evolving realm of electrical integration. As a distinguished high-tech entity, we proudly present a team rich in skilled R&D, production, and service expertise, fortified by over 15 years of invaluable industry experience. Our steadfast dedication to reaching unmatched heights of excellence sets us apart as a leader in pioneering innovation.
Our diverse product lineup showcases cutting-edge technology, featuring high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These elite products are indispensable across a myriad of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, proving their utility in both commercial and residential settings. We are immensely proud to shape the future with our innovative solutions.
Guided by our philosophy of perpetual technological progress and 'smart manufacturing,' our commitment to fostering excellence through the integration of top-tier technical talents is unwavering. This strategic approach amplifies our core strengths, ensuring we consistently deliver unparalleled service value to our clientele. Our remarkable growth story is a testament to our ethos: evolving from inception to industry leadership through steadfast dedication. Our business strategy is deeply rooted in innovation, with an unwavering commitment to quality as the cornerstone of our survival, market reputation as the pathway to growth, and management efficiency as the engine of profitability. We are committed to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management strategies. Our strategic vision is to bolster our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that soar to new heights. Integrity, unmatched quality, exemplary service, and customer satisfaction are at the heart of our values. We relentlessly pursue excellence, constantly innovating to establish a brand that epitomizes trust. The appreciation of our customers fuels our ambition. We extend 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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