Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series by Zhejiang Chaotai Complete Equipment Co., Ltd., a marvel in the realm of oil-immersed power transformers. This fully sealed powerhouse exemplifies cutting-edge engineering with its unparalleled low energy loss, whisper-quiet operation, and superior efficiency. It is the epitome of eco-friendly technology, drastically reducing environmental footprint and pollution. Departing from the conventional, this advanced model does away with the need for an oil conservator. Its ingenious design utilizes the elasticity of the corrugated oil tank to automatically adapt to oil volume fluctuations, ensuring complete air isolation. This unique feature not only preserves oil integrity and slows insulation aging but also remarkably enhances reliability, offering maintenance-free operation under normal conditions.
1. Power Capacity: 25-2500KVA, 24KV, 30KV, 33KV, 35KV, 36KV, with customization available to meet specific customer needs 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Options for both Off-circuit and On-load regulation
4. Tapping Range: Options include ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Available in both 50Hz and 60Hz variations
6. Phases: Configurable in Three-phase or Single-phase
7. Connection Symbol: Dyn11, Yyn0 (or tailored to customer specifications)
8. Short-circuit Impedance: Standard Impedance
9. Operational Conditions: Maximum altitude of 1000m, with ambient temperature not exceeding 40°C. Should these conditions vary, parameters will be adjusted following standard protocols.
All adjustments will strictly comply with industry standards.
Power Capacity: From 25 to 2500KVA
Voltage Levels: Options include 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Choose between Off-circuit or On-load
Tapping Range: Available adjustments of ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Offering 50Hz or 60Hz
Phases: Available in Three-phase or Single-phase
Connection Symbol: Standard options Dyn11, Yyn0 (customizable upon request)
Short-circuit Impedance: Standard Impedance
Operational Conditions: Altitude up to 1000m, ambient temperature below 40°C
If conditions differ, necessary parameter adjustments will be implemented in line with standard guidelines.
Experience the pinnacle of transformer innovation with Chaotai Power's fully sealed oil-immersed power transformer. It redefines energy efficiency by minimizing energy loss and operating quietly, presenting an unparalleled solution for eco-conscious energy saving.
Revolutionizing traditional designs, this fully sealed transformer by Chaotai Power eliminates the oil conservator, intelligently managing oil volume with the corrugated oil tank sheet's elasticity. This ensures the transformer remains air-isolated, preventing oil degradation and insulation aging, while significantly enhancing reliability and eradicating the need for routine 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. stands as a beacon of technological prowess in the realm of electrical integration. As a distinguished high-tech enterprise, we boast a dedicated R&D, production, and service team, fortified by over 15 years of invaluable industry experience. Our relentless pursuit of excellence marks us as a leader in innovation.
Our diverse product portfolio features cutting-edge offerings such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These products have found their indispensable place across a multitude of sectors including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, extending to both commercial and residential applications. We are proud to power the future with our transformative solutions.
Grounded in a philosophy of relentless technological innovation and 'smart manufacturing,' we are committed to fostering a culture of excellence by integrating high-caliber technical talents. This strategic focus serves to augment our core competencies, ensuring that we deliver unparalleled service value to our clients. Our journey of growth is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy remains anchored in innovation, with a steadfast commitment to quality as the cornerstone of survival, market reputation as the path to development, and management efficiency as the key to profitability. We pledge to harness 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management initiatives. Our strategic vision is to amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that are faster, stronger, and higher. Integrity, unparalleled quality, exceptional service, and customer satisfaction comprise our core values. We are relentless in our pursuit of excellence, perpetually innovating to establish a brand synonymous with trust. The acknowledgment of our customers fuels our ambition. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Senhang Technology on a shared journey 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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