Product Description
Oil Immersed Series Transformer:
Introducing the cutting-edge S11-M series fully sealed oil-immersed power transformer, meticulously engineered and produced by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is distinguished by its unparalleled low energy consumption, whisper-quiet operation, and remarkable efficiency. It serves as a paragon of eco-consciousness, drastically diminishing pollution and minimizing environmental footprint. Unlike conventional oil-immersed transformers, this sophisticated model forgoes the need for an oil conservator. Its intelligent architecture autonomously adapts and manages oil volume variations via the flexible corrugated oil tank, safeguarding the transformer from atmospheric exposure. This pioneering feature prevents oil from degrading, decelerates the aging process of insulation, and significantly elevates operational reliability, all while abolishing the necessity for maintenance under normal usage conditions.
1. Power Capacity: 25-2500KVA, 24KV, 30KV, 33KV, 35KV, 36KV, with customization available to meet specific customer specifications 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Options include Off-circuit or On-load regulation
4. Tapping Range: Choices include ±5%, 2x2.5%, and ±4x2.5%
5. Frequency: Available in both 50Hz or 60Hz
6. Phases: Configurable in Three-phase or Single-phase
7. Connection Symbol: Standard options include Dyn11, Yyn0, with further customization possible upon request
8. Short-circuit Impedance: Standard Impedance
9. Operational Conditions: Suitable for altitudes not exceeding 1000m, with ambient temperatures below 40°C. Deviations will trigger parameter adjustments in line with standard protocols.
All adjustments will fully comply with established industry standards.
Power Capacity: Ranges from 25-2500KVA
Voltage Levels: Offered in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit or On-load configurations
Tapping Range: Adjustable to ±5%, ±2x2.5%, or ±4x2.5%
Frequency Options: Selectable between 50Hz or 60Hz
Phases: Offered in either Three-phase or Single-phase configurations
Connection Symbol: Options include Dyn11, Yyn0, with customization available upon request
Short-circuit Impedance: Standardized Impedance
Operational Conditions: Designed for altitudes not exceeding 1000m and ambient temperatures not exceeding 40°C
Should conditions vary, necessary parameter adjustments will be implemented following standard guidelines.
The fully sealed oil-immersed power transformer, a masterpiece of innovation by Chaotai Power, features minimal energy loss, serene operation, and impressive efficiency. It is an exemplary energy-saving solution that drastically reduces environmental pollution.
In stark contrast to traditional oil-immersed transformers, this fully sealed design dispenses with the oil conservator. It adeptly handles oil volume changes through the elasticity of the corrugated oil tank sheet, ensuring persistent air isolation of the transformer. This essential characteristic prevents oil degradation, curtails insulation aging, enhances reliability, and negates the requirement 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. emerges as a beacon of innovation and expertise in the electrifying world of technological advancement. As a prestigious high-tech enterprise, we are fortified by a dynamic R&D, production, and service team, enriched with over 15 years of industry-defining experience. Our relentless pursuit of excellence and cutting-edge innovation elevates us to the pinnacle of industry leadership.
Our extensive product range showcases state-of-the-art solutions, including high-voltage solid-state soft starters, capacitor cabinets, comprehensive high and low voltage switchgear, advanced gas-insulated switchgear, and substations designed for peak performance. These transformative products are essential across a wide array of sectors, such as energy, chemical industries, metal smelting, power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, as well as road traffic, seamlessly supporting both commercial and residential applications. Proudly, we are reimagining the future with our exceptional technological solutions.
Rooted in the philosophy of ceaseless technological innovation and smart manufacturing, we are driven by a commitment to cultivating excellence through the integration of top-tier technical talent. This strategic focus augments our core competencies, guaranteeing unparalleled service value for our esteemed clients. Our growth journey is a testament to our ethos: from inception to industry leadership, characterized by unwavering dedication. Our strategic framework is grounded in innovation, with a steadfast commitment to quality as the bedrock of survival, a renowned market reputation as the avenue for development, and efficient management as the key to profitability. We are dedicated to leveraging 'technology as our guide, standardized management, superior quality, and customer satisfaction' as the foundations of our quality and talent management strategies. Our visionary strategy aims to enhance our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that reach higher, move faster, and become stronger. Our core values of integrity, unmatched quality, outstanding service, and customer satisfaction drive us forward. We are relentless in our quest for excellence, constantly innovating to forge a brand that symbolizes trust. The recognition from our customers fuels our ambition. We extend profound gratitude to our loyal customers, both new and long-standing, and warmly invite you to join Senhang Technology on a shared journey toward a luminous future.
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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