Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series fully sealed oil-immersed power transformer, a masterpiece of engineering precision by Zhejiang Chaotai Complete Equipment Co., Ltd. This state-of-the-art transformer is renowned for its outstanding features: minimal energy wastage, whisper-quiet operation, and unparalleled efficiency. It is the perfect energy conservation solution, substantially reducing pollution and ecological impact. Departing from the conventional design, this model eliminates the oil conservator. Its ingenious design autonomously manages and compensates for oil volume variations through the corrugated oil tank's elasticity, effectively maintaining an airtight seal. This forward-thinking feature prevents oil quality deterioration, mitigates insulation aging, and dramatically boosts operational dependability, all while offering a maintenance-free experience during regular operations.
1. Power Capacity: Ranges from 25-2500KVA, with voltage levels of 24KV, 30KV, 33KV, 35KV, 36KV, and tailor-made options to satisfy customer specifications. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Voltage Regulation Type: Choose between Off-circuit or On-load regulation.
4. Tapping Range: Options include ±5%, 2x2.5%, or ±4x2.5%
5. Frequency: Compatible with 50Hz or 60Hz specifications
6. Phases: Available in both three-phase and single-phase configurations
7. Connection Symbol: Dyn11, Yyn0 (customizable to suit specific needs)
8. Short-circuit Impedance: Adheres to Standard Impedance levels
9. Operational Conditions: Designed for altitudes not surpassing 1000m and ambient temperatures below 40°C. Deviations from these conditions will necessitate parameter adjustments in line with standard practices.
All adaptations are rigorously aligned with industry standards.
Power Capacity: Spans from 25-2500KVA
Voltage Levels: Offered in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV configurations
Voltage Level Overview:
Type of Voltage Regulation: Selections include Off-circuit or On-load
Tapping Range: Choices include ±5%, ±2x2.5%, or ±4x2.5%
Frequency Options: Available in either 50Hz or 60Hz
Phases: Configurable as three-phase or single-phase
Connection Symbol: Dyn11, Yyn0 (customizable to specific requirements)
Short-circuit Impedance: Complies with Standard Impedance specifications
Operational Conditions: Suitable for altitudes not exceeding 1000m and ambient temperatures not higher than 40°C
Should environmental conditions differ, necessary parameter adjustments will be made, ensuring compliance with standard guidelines.
The fully sealed oil-immersed power transformer, an epitome of Chaotai Power's innovative excellence, features minimal energy loss, silent operation, and exceptional efficiency. It is a superior energy-saving solution that dramatically reduces environmental pollution.
Contrary to standard oil-immersed transformers, this fully sealed design foregoes the need for an oil conservator. It smartly handles oil volume changes with the elasticity of a corrugated oil tank sheet, keeping the transformer air-tight. This key feature not only inhibits oil degradation and insulation deterioration but also enhances reliability and eliminates the necessity 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. proudly stands as a beacon of technological excellence in the realm of electrical integration. As a distinguished high-tech enterprise, we boast an elite R&D, production, and service team enriched by over 15 years of invaluable industry mastery. Our unwavering pursuit of excellence positions us at the forefront of innovation, consistently leading the charge in pioneering solutions.
Our extensive product portfolio features groundbreaking offerings such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These cutting-edge solutions are indispensable 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 their reach to both commercial and residential applications, we are proud to power the future with our transformative technologies.
Rooted in an ethos of relentless technological innovation and 'smart manufacturing,' we are committed to fostering a culture of excellence by integrating top-tier technical talents. This strategic focus is designed to enhance our core competencies, ensuring that we deliver unmatched service value to our clients. Our path of growth is a testament to our core values: evolving from inception to industry leadership through unwavering dedication. Our business strategy remains firmly 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. Our relentless pursuit of excellence drives us to perpetually innovate, establishing a brand synonymous with trust. The acknowledgment and satisfaction of our customers fuel 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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