Three-Phase Oil-Immersed Distribution Transformer
Product Parameters:
nominal
capacity
|
high
voltage side
|
High voltage
tap range
|
low
voltage side
|
Connection
group labeling
|
No-
load loss
|
Load Loss |
No-load
current
|
Short Circuit
Impedance
|
30KVA |
11KV
10.5KV
10KV
6.3KV
6KV
|
±5
±2×2.5%
|
0.4KV
0.69KV
|
Dyn11
Yyn0
|
100W |
630/600W |
2.3% |
4% |
50KVA |
130W |
910/870W |
2.0% |
4% |
63KVA |
150W |
1090/1040W |
1.9% |
4% |
80KVA |
180W |
1310/1250W |
1.9% |
4% |
100KVA |
200W |
1580/1500W |
1.8% |
4% |
125KVA |
240W |
1890/1800W |
1.7% |
4% |
160KVA |
280W |
2310/2200W |
1.6% |
4% |
200KVA |
340W |
2730/2600W |
1.5% |
4% |
250KVA |
400W |
3200/3050W |
1.4% |
4% |
315KVA |
480W |
3830/3650W |
1.4% |
4% |
400KVA |
570W |
4520/4300W |
1.3% |
4% |
500KVA |
680W |
5410/5150W |
1.2% |
4% |
630KVA |
810W |
6200W |
1.1% |
4.5% |
800KVA |
960W |
7500W |
1.0% |
4.5% |
1000KVA |
1150W |
10300W |
1.0% |
4.5% |
1250KVA |
1360W |
12000W |
0.9% |
4.5% |
1600KVA |
1640W |
14500W |
0.8% |
4.5% |
2000KVA |
1960W |
19800W |
0.8% |
5% |
2500KVA |
2310W |
23000W |
0.7% |
5% |
Oil-immersed Transformers Product Details:
Our oil-immersed transformers stand as essential power equipment, seamlessly integrated within power systems to ensure efficient voltage conversion and power transmission. Expertly crafted to meet the high current and large capacity demands of today's power systems, these transformers promise unparalleled stability and reliability, making them a cornerstone for any modern power grid.
Model Meaning:
Performance Characteristics:
1. Winding structure:
The high-voltage winding is meticulously designed with a multi-layer cylindrical structure, utilizing continuous or connecting continuous methods. This enhances the winding's shock distribution, minimizes magnetic leakage, and offers formidable mechanical strength, ensuring robust short-circuit resistance.
2. Iron core design:
Employing high-quality cold-rolled, grain-oriented silicon steel sheets with a full diagonal seam stacking technique, this design significantly minimizes no-load loss and reduces no-load current, optimizing efficiency and performance.
3. Fastening and anti-loosening:
Every core and winding component is securely fastened with advanced measures. The fastening parts, like the high and low voltage leads, are equipped with self-locking, anti-loosening nuts, and a non-hanging center structure is employed to withstand transportation vibrations. All fasteners are secured with locking nuts to ensure long-term operational stability.
4. Vacuum processing:
The coils and cores undergo a meticulous vacuum drying process, while the transformer oil is vacuum filtered and injected, effectively minimizing moisture content within the transformer to enhance durability.
5. Oil tank design:
Featuring a corrugated sheet design with breathing capabilities, the oil tank compensates for oil volume changes due to temperature fluctuations. The absence of an oil storage cabinet lowers the transformer height, optimizing space utilization.
6. Other features:
Showcasing a sleek design with compact dimensions, our transformers require minimal installation space and deliver maintenance-free operation, making them the perfect choice for modern infrastructure.
These transformers are widely deployed across power plants, substations, industrial and mining enterprises, and rural power grids, proving to be indispensable in power distribution systems.
Environment and Requirements:
Ambient temperature: The ideal operating ambient temperature range is between -25°C and +40°C, ensuring optimal performance and longevity.
Altitude limit: The installation altitude should not exceed 1000 meters to maintain performance integrity.
Air humidity: The relative humidity should not surpass 90% at a temperature of +25°C to avoid any adverse effects on the transformer.
Installation place: Select installation locations that are free from corrosive gases and significant dirt to ensure the transformer's longevity and optimal performance.
Maintenance and upkeep:
Regular inspection: Conduct frequent checks on the oil level and perform oil insulation strength tests. If issues are detected, promptly replace the transformer oil to maintain functionality.
Stable operation: Ensure consistent and stable transformer operation by preventing overloads, short circuits, and other potential anomalies.
Safety attention: Prior to installation, address plant ventilation, fire prevention, and adhere to technical specifications to guarantee a correct and safe installation.
Order process:
Factory Scene:
Certificates:

FAQ:
1. Are you a trading company or manufacturer ?
As a distinguished professional manufacturer, Jiangsu Xinhong Electrical Equipment Co., Ltd. boasts a decade-long expertise in the design and production of high-caliber High and Low voltage switchgears, comprehensive substations, cutting-edge transformers, and an extensive array of electrical equipment including vacuum circuit breakers and load break switches. Our dedication to innovation and quality ensures reliable and advanced solutions tailored to your electrical needs.
Our factory proudly stands as an exceptional supplier to the prestigious State Grid Corporation of China, reflecting our commitment to excellence and trust in delivering top-quality electrical solutions.
2. Do you accept customized service?
At Jiangsu Xinhong Electrical Equipment Co., Ltd., we offer unparalleled OEM/ODM services, allowing us to customize and brand our products with your logo. Our highly skilled technical and quotation teams work diligently to develop tailored solutions that meet your specific requirements, ensuring satisfaction through precise alignment with your drawings and parameters.
3. What is your MOQ?
Our minimum order quantity (MOQ) is conveniently set at just one piece, allowing flexibility to cater to all your specific needs.
4. How long is your delivery lead time?
The delivery timeline is contingent upon your precise product specifications and quantity requirements. Typically, we offer swift and efficient delivery within 5 to 10 working days, ensuring prompt service to meet your needs.
5. How do you solve quality problems?
We invite you to submit detailed photographs of any quality concerns. Our expert technical and quality testing departments will conduct a thorough analysis and present a satisfactory solution within 48 hours, showcasing our dedication to resolving issues swiftly and effectively.
6. What are your payment terms?
Our payment terms are structured for your convenience, requiring a 30% T/T advance payment with the balance of 70% due before shipment. We also accept payments via Western Union and L/C to provide flexible payment solutions.