Product Description



Oil Immersed Series Transformer:
The S11-M series, a fully sealed oil-immersed power transformer crafted by Chaotai Power, is engineered to deliver superior performance. Its design ensures minimal loss and noise, coupled with exceptional efficiency, leading to outstanding energy conservation and pollution reduction. By eliminating the oil conservator, this fully sealed transformer introduces a revolutionary approach where oil volume changes are adeptly managed and balanced through the flexible corrugated sheet of the oil tank. This innovation isolates the transformer from air, thus mitigating oil deterioration and insulation aging. This results in enhanced operational reliability and eliminates the need for routine maintenance.
1. Power Capacity: Ranges from 25 to 2500 KVA, handling voltages of 24KV, 30KV, 33KV, 35KV, 36KV, and customizable according to client specifications. 2. Voltage Level: Options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Available in Off-circuit or On-load variations.
4. Tapping Range: Configurable at ±5%, ±2x2.5%, ±4x2.5% to suit various needs.
5. Frequency: Operable at either 50Hz or 60Hz, catering to diverse applications.
6. Phases: Versatile options available for both Three-phase and Single-phase configurations.
7. Connection Symbol: Flexible configurations such as Dyn11, Yyn0, or as per request.
8. Short-circuit Impedance: Complies with Standard Impedance norms.
9. The altitude should not exceed 1000m, with ambient temperatures not going beyond 40°C. Should these conditions be unmet, we will adjust parameters accordingly.
Parametric adjustments are made in alignment with standard specifications to ensure optimal performance.
Power Capacity: Ranges from 25 to 2500 KVA, offering adaptable solutions for diverse power needs.
Voltage Levels: Includes diverse options like 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, 24KV, 30KV, 33KV, 35KV, 36KV, and more.
Voltage Level:
Type of Voltage Regulation: Available as Off-circuit or On-load, customizable to meet precise operational requirements.
Tapping Range: Configurable at ±5%, ±2x2.5%, ±4x2.5%, ensuring flexibility.
Frequency: Suitable for either 50Hz or 60Hz operations, adaptable for various setups.
Phases: Offers both Three-phase and Single-phase configurations, catering to diverse needs.
Connection Symbol: Options available including Dyn11, Yyn0, or as specified by customer needs.
Short-circuit Impedance: Designed to meet and adhere to Standard Impedance.
Altitude and Temperature: Designed for conditions not exceeding 1000m in altitude and 40°C in ambient temperature.
If environmental conditions deviate, we'll modulate parameters to align with standards, ensuring uncompromised functionality.
The fully sealed oil-immersed power transformer by Chaotai Power is a marvel of engineering, characterized by low loss, minimal noise, and high efficiency. This results in excellent energy-saving and reduced environmental impact.
Unlike conventional oil-immersed transformers, this advanced fully sealed design abolishes the oil conservator. Oil volume changes are deftly managed by the corrugated oil tank's elasticity, isolating the unit from air. This effectively curtails oil deterioration and insulation aging, boosting operational reliability and negating the need 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. stands as a beacon of innovation and expertise in the realm of electrical integration. As a distinguished high-tech enterprise, we pride ourselves on a robust team dedicated to research, development, production, and service, backed by over 15 fruitful years of industry prowess.
Our expansive product line showcases an impressive array of high-quality innovations including high-voltage solid-state soft starters, capacitor cabinets, versatile high and low voltage switchgear, advanced gas-insulated switchgear, and comprehensive substation solutions. Our offerings find immense utility across diverse sectors such as energy and chemical industries, pioneering metal smelting operations, resilient electric power grids, cutting-edge industrial manufacturing, prestigious universities, innovative research institutions, dynamic medical and pharmaceutical arenas, bustling municipal commerce, strategic water conservancy and hydropower initiatives, effective road traffic management, and vibrant commercial and residential developments.
Guided by the tenets of technological innovation and the mantra of 'smart manufacturing,' we actively recruit top-tier technical talents, aiming to significantly bolster our core competitive edge while delivering unparalleled value to our cherished customers. Our journey from inception has been marked by relentless progress, evolving from modest beginnings to achieving exceptional standards of excellence. We champion innovation and steadfastly pursue a modern business approach, ensuring survival through superior quality, development driven by unwavering reputation, and efficiency attained through meticulous management. Our commitment to 'technology as a guide, standardized management, impeccable quality, and customer satisfaction' shapes our quality assurance and technical talent management strategies, fortifying our market position. We endeavor to serve China's power transmission and distribution sectors with speed, strength, and ambition. Integrity forms the bedrock of our philosophy, with quality as our hallmark, service as our creed, and customer satisfaction as our everlasting mission. Our relentless pursuit of excellence, continuous innovation, and steadfast ambition to cultivate a trusted brand remain our guiding principles. Your trust fuels our passion. We extend heartfelt gratitude to all our esteemed patrons for their unwavering support and look forward to forging a brighter future together with Senhang Technology, hand in hand.
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.