350 kVA 400kVA Electric Power Transformer 25kVA 50kVA 100 kVA 300kVA 3 Phase Oil Electricity Transformer 250kVA

• Customization: Available
• Application: Power, Electronic, Instrument, Rectifier
• Phase: Three
• Model NO.: 30KVA~10000KVA
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001, CCC
• Usage: Power Transformer, Distribution Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: EE
• Brand: Xinhong
• Winding Material: Copper or Aluminum
• Linking Group: Dyn11 or Yyno
• Size & Weight: Varies by Capacity and Design
• Product Price: Price Agreed on Actual Model
• Colour: Customizable
• Usage Scenario: Can Be Used in Outdoor or Indoor Substations
• High Side Voltage: 6kv, 6.3kv, 10kv, 10.5kv, 11kv, 20kv, 35kv, etc. (
• Low Side Voltage: 0.4kv, 400V, 415V, etc. (Customizable)
• Quality Control: Each Transformer Is Professionally Tested to Ensur
• Transport Package: Packing Crates by Sea
• Specification: customizable
• Trademark: Xinhong Changes
• Origin: Xuzhou, China
• HS Code: 8504340000
• Production Capacity: 5000 Sets/Year
• Package Size: 1000.00cm * 700.00cm * 1000.00cm
• Package Gross Weight: 655.000kg

Product Description

High-Performance Three-Phase Oil-Immersed Power Transformers: Energy-Efficient and Customized Solutions

Product Description

Our series of three-phase oil-immersed power transformers are designed to meet a wide range of power requirements, offering rated capacities from 50kVA to 3000kVA. Whether for outdoor harsh environments or indoor substations, our transformers ensure stable power supply with high efficiency and safety.

Core Advantages

1. Energy-Efficient Design

• Premium Silicon Steel Core: Made with brand-new, high-quality silicon steel sheets, our transformers significantly reduce operational losses, minimize energy waste, and operate with low noise levels, providing a quiet and efficient working environment.
• High-Quality Winding Materials: Using heat-resistant enameled wire ensures excellent conductivity and stability even under high load conditions, reducing line losses and extending the transformer's lifespan.

2. Flexible Customization

• Diverse Voltage Configurations: Available in a wide range of high-voltage options (6kV, 6.3kV, 10kV, 10.5kV, 11kV, 20kV, 35kV, etc.) and low-voltage options (0.4kV, 400V, 415V, etc.), our transformers can be customized to meet specific local requirements.
• Multiple Connection Options: Support for various connection symbols such as Dyn11 and Yyn0, catering to different electrical connection needs in various applications.

3. High Reliability and Safety

• Wavy Oil Tank Design: The unique wavy-wall oil tank structure automatically compensates for changes in transformer oil volume due to temperature fluctuations. This eliminates the need for an additional oil reservoir, reduces equipment costs, and lowers the overall height of the transformer, saving installation space.

• Advanced Safety Devices: Equipped with highly sensitive pressure relief valves and precise glass thermometer sockets. Optional alarm terminals and gas relays are also available to ensure comprehensive safety during operation.

4. Environmental and Economic Benefits

• Eco-Friendly Oil-Immersed Cooling: The oil-immersed cooling method provides excellent heat dissipation and stable operation while minimizing environmental impact.
• High Cost-Performance Ratio: With advanced manufacturing processes and strict quality control, our transformers offer high performance at competitive prices, providing customers with cost-effective power solutions.

 

 

 

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:
Oil-immersed transformers play an integral role in modern power systems, serving the crucial purpose of voltage conversion and efficient power transmission. Designed to meet the demands of high current and massive capacity, these transformers ensure unparalleled stability and reliability, making them indispensable for any power network.

 

Model Meaning:

 

 

Product characteristics

1. Winding structure:
The high-voltage winding is crafted using a sophisticated multi-layer cylindrical, continuous, or connecting continuous design. This innovation enhances the distribution of shocks throughout the winding, minimizes magnetic leakage, and provides exceptional mechanical strength with superior resistance to short-circuits.

2. Iron core design:
Our transformers leverage premium, cold-rolled, grain-oriented silicon steel sheets, meticulously arranged using a full diagonal seam stacking method. This not only reduces no-load loss but also significantly lowers no-load current.

3. Fastening and anti-loosening:
Robust fastening measures secure both the core and windings, incorporating self-locking anti-loosening nuts for high and low voltage leads. The innovative non-hanging center design withstands transportation vibrations, ensuring all fasteners remain secure during prolonged operation.

4. Vacuum processing:
Embrace advanced vacuum processing where coils and cores undergo vacuum drying, and transformer oil is filtered and injected in a vacuum. This meticulous process ensures minimal moisture, boosting transformer longevity and performance.

5. Oil tank design:
The oil tank features a corrugated sheet construction, equipped with a breathing function to adapt to oil volume changes from temperature variations. Designed without an oil storage cabinet, it effectively reduces the transformer's height, optimizing spatial efficiency.

6. Other features:
Boasting an elegant appearance and compact size, our transformers occupy minimal installation space, making them the ideal maintenance-free solution for modern power distribution needs.
Widely utilized across power plants, substations, industrial sectors, mining enterprises, and rural power grids, our transformers offer reliable solutions for varied power distribution systems.

 

Environment and Requirements:
Ambient temperature: Temperature needs to be ideally maintained between a range of -25°C to +40°C.
Altitude limit: Operational altitude should not exceed 1000 meters.
Air humidity: Relative humidity should be kept below 90% at a temperature of +25ºC.
Installation place: Select an installation area devoid of corrosive gases and noticeable dirt for optimal performance and longevity.

 

Maintenance and upkeep:
Regular inspection: Conduct frequent checks on oil levels and perform oil insulation strength tests. Should issues arise, promptly replace the transformer oil to ensure optimal functionality.
Stable operation: To maintain the stability of the transformer, prevent overloads and other anomalies such as short circuits.
Safety attention: Prior to installation, address ventilation and fire prevention issues in adherence with technical specifications to ensure safe and correct installation.

Company Profile

Welcome tojiangsu xinhong transformer manufacturing facility, where innovation meets tradition to deliver the highest quality power transformers for a wide range of applications.  Established with a vision to revolutionize the power transmission industry, our factory has grown to become a leading name in the production of reliable, efficient, and environmentally friendly transformers.  Our journey is marked by continuous improvement, technological advancement, and a deep commitment to customer satisfaction.

Our factory is equipped with four specialized workshops, each dedicated to different stages of transformer production. This setup allows us to handle everything from core manufacturing to final assembly and testing under one roof. Our production lines are capable of producing transformers with rated capacities ranging from 50kVA to an impressive 3000kVA. Whether it's a small distribution transformer for residential use or a large power transformer for industrial applications, we have the capacity and expertise to meet diverse needs.
From adjusting voltage levels to modifying the physical dimensions of the transformer, our team of engineers works closely with clients to deliver transformers that perfectly fit their specifications.  Our flexible production lines can quickly adapt to different orders, ensuring that each customer receives a product tailored to their exact needs.

Packaging & Shipping

Packaging & Shipping

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Factory street scene

FAQ

1. Are you a trading company or manufacturer ?
We proudly stand as a seasoned manufacturer with a decade-long expertise in crafting high and low voltage switchgears, substation equipment, transformers, cable distribution boxes, and an extensive array of electrical equipment, including vacuum circuit breakers and load break switches.
Our factory proudly stands as an esteemed and exceptional supplier to the State Grid Corporation of China, showcasing our unmatched reliability and excellence.
2. Do you accept customized service?
We provide exceptional OEM/ODM services, allowing you to showcase your brand by printing your logo on our products. Our highly-skilled technical and quotation team is dedicated to crafting a project that perfectly meets your specifications, based on your drawings and parameters.
3. What is your MOQ?
Our minimum order quantity is as flexible as it gets - just 1 piece.
4. How long is your delivery lead time?
Delivery lead times vary depending on your specific product needs and order quantity. Generally, we ensure availability within 5 to 10 working days, providing swift and efficient service.
5. How do you solve quality problems?
In the event of any quality concerns, please provide comprehensive photographs to facilitate our analysis. Our skilled technical and quality testing departments will promptly evaluate the issue and deliver a satisfactory solution within just 2 days.
6. What are your payment terms?
We require a 30% T/T payment in advance, with the remaining 70% due before shipment. Additionally, we accept West Union and L/C for your convenience.