High-performance 34.5 kV 5000 kVA three phase distribution transformer manufactured by Yongxing Transformer

34.5 kV 5000 kVA three-phase distribution transformer for sale in China, USA, and North America by Yongxing Transformer

High and low voltage bushings on the 34.5 kV 5000 kVA three-phase distribution transformer by Yongxing Transformer

State-of-the-art factory for manufacturing 34.5 kV 5000 kVA three-phase distribution transformers by Yongxing Transformer

34.5KV 5000 KVA 3 Phase Distribution Transformer Manufacturers

Primary Voltage: 6kV-35kV or customized
Secondary Voltage: 110V 240V 880V 11kV or customized
Connection Type: 3 phase or customized
Standards: ANSI/IEEE, CSA, DOE
Power Rating: 5000 KVA
Transformer Type: Distribution Transformer
Certificates: UL, cUL, CSA, SGS, GOST

Yongxing Transformer is a trusted manufacturer of 34.5kV 5000 KVA 3 phase distribution transformers, offering versatile solutions with primary voltages from 6 kV to 35 kV and secondary voltages from 110 V to 11KV. 3 transformers are ideal for large-scale power distribution in industrial, commercial, and utility applications. In 2023, we provided 2 units of 3 transformers to a major infrastructure project in the Middle East, ensuring reliable and efficient energy delivery. Featuring premium copper windings and oil-immersed cooling, these transformers excel in heat dissipation and operational stability. Fully compliant with UL, cUL, CSA, SGS, and GOST standards, they guarantee safety and durability. Yongxing Transformer offers customizable insulation materials and protection systems to meet the specific needs of each project, delivering reliable performance across diverse environments.

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34.5kV 5000 KVA 3 Phase Distribution Transformer | Yongxing Transformer

Yongxing Transformer is proud to offer high-performance 34.5kV 5000 KVA 3 phase distribution transformers, designed to meet the most demanding requirements in power distribution applications. Engineered with precision and built with the highest quality materials, these transformers ensure long-lasting, reliable, and efficient service in various industrial and commercial settings.

Our transformers are designed to handle heavy loads, provide superior voltage regulation, and are equipped with advanced monitoring systems to ensure operational reliability.

Specifications of 34.5kV 5000 KVA Transformer

Specification	Details
Rated Capacity	5000 KVA
Brand	Yongxing Transformer
Primary Voltage	34.5 kV
Secondary Voltage	6.6 kV, 11 kV, 15 kV, 20 kV (customizable based on needs)
No-Load Loss	4640 W ±15% (or as per project requirements)
Load Loss	34200 W ±15% (or customized)
Impedance	7.0% ±15%
No-Load Current	≤ 0.5%
Vector Group	Yd11
Winding Material	100% Copper or 100% Aluminum (Customizable)
Cooling Type	ONAN (Oil Natural, Air Natural), ONAF (Oil Natural, Air Forced)
Cooling Capacity (ONAF)	6667 kVA
Core Material	High-grade Silicon Steel
Oil Type	Non-PCB Insulating Oil
Cooling Oil	High-Performance Insulating Oil with minimal moisture absorption

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Comprehensive Testing and Quality Assurance for 5000 kVA Transformers

During the production of the 5000 kVA transformer, strict testing procedures are a critical step to ensure product quality and safety. Each transformer undergoes a series of electrical, mechanical, and temperature-rise tests to verify that its performance meets the design specifications. These tests include load loss testing, no-load loss testing, and short-circuit impedance measurements, all aimed at ensuring the transformer delivers efficient energy transmission and low loss during actual operation. The results of these tests directly impact the transformer’s stability, lifespan, and operational efficiency, making them an indispensable part of the production process.

In addition, all tests strictly adhere to current electrical testing regulations and industry standards, ensuring the transformers comply with international certifications such as ANSI/IEEE, CSA, and UL standards. After the tests are completed, detailed records are kept, and comprehensive test reports are provided based on customer requirements. This not only guarantees the safety and reliability of the transformers but also offers customers peace of mind in their use. Through these rigorous quality control measures, Yongxing Transformer ensures that every 5000 kVA transformer is fully validated before leaving the factory, meeting the demands for high-load operation.

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Maintenance of 33kV 5000 KVA Power Line Transformer

Proper maintenance is crucial for maximizing the lifespan and operational efficiency of your 34.5kV 5000 KVA power line transformer. Here’s an extended guide to comprehensive transformer maintenance, designed to minimize unplanned downtime and enhance long-term performance:

1. Visual Inspection

Objective: Ensure that the external transformer components are intact.
Action:
- Regularly inspect the tank, bushings, tap changer, and bushings for cracks, rust, or corrosion. Any visual defects or leakage spots should be addressed immediately.
- Clean the transformer housing regularly to remove accumulated dust and debris, especially in areas with high pollution or industrial dust.

2. Insulation Integrity

Objective: Maintain the insulation’s performance to prevent electrical faults.
Action:
- Check for insulation degradation. This includes inspecting insulating oil for discoloration, signs of contamination, or reduced insulating capacity.
- For liquid-immersed transformers, check the oil level and look for signs of air bubbles or foam, indicating potential issues with seals.

3. Oil Quality Monitoring

Objective: Ensure optimal performance of the insulation and cooling system.
Action:
- Periodically sample the transformer oil to check for moisture, contaminants, and its dielectric strength.
- If oil quality is compromised, conduct an oil filtration process or replace the oil as necessary.
- Regularly inspect the oil temperature using a Qualitrol monitoring system to ensure it remains within safe operating ranges.

4. Thermal Management

Objective: Prevent overheating and ensure effective cooling.
Action:
- Monitor the oil temperature and ensure it stays within the recommended limits for ONAN and ONAF operation.
- Check the cooling fans (in ONAF configurations) to ensure they’re functioning properly. Malfunctioning fans can significantly reduce cooling efficiency and overload the transformer.

5. Load Testing and Voltage Regulation

Objective: Ensure the transformer operates under optimal load conditions and maintains accurate voltage regulation.
Action:
- Verify that the transformer maintains proper voltage levels at varying loads, especially under extreme conditions.
- Test the voltage regulator (if applicable) for correct adjustment and proper operation. In the case of five-level voltage regulation, verify that the output voltage is within the desired range (33.53kV to 36.62kV for ±2.5% regulation or 32.78kV to 36.23kV for ±5% regulation).

6. Overcurrent and Short-Circuit Protection

Objective: Protect the transformer from damage caused by overcurrent or faults.
Action:
- Ensure that overcurrent protection devices, such as circuit breakers, are properly calibrated and functional.
- Inspect pressure relief devices to make sure they’re not blocked and can vent excess pressure in case of faults.

7. Safety Checks

Objective: Ensure the transformer is safe to operate.
Action:
- Examine the grounding system and safety barriers around the transformer to ensure they meet safety standards.
- Regularly inspect lightning arresters and ensure proper grounding to protect the transformer from voltage surges caused by lightning strikes.

8. Documentation and Preventive Maintenance

Objective: Track performance and maintenance history for proactive care.
Action:
- Keep a maintenance log documenting every inspection, test, and repair. Include specifics such as dates, the personnel involved, and actions taken.
- Regularly review maintenance records to identify trends that might indicate underlying issues.

Transformer Manufacturing Process at Yongxing

Yongxing Transformer follows a meticulous process from design to delivery, ensuring each 34.5KV 5000 KVA 3 phase distribution transformers meets the highest standards of performance and safety.

Design & Engineering

Customized Design: We offer a range of voltage and cooling options tailored to your specific requirements.
Computer-Aided Design (CAD): Our engineers use advanced CAD tools to model transformers for optimal performance and minimal energy losses.

Material Sourcing

High-Grade Materials: We use premium-quality silicon steel for the core, copper or aluminum for windings, and high-performance insulating oils.
Environmentally Safe Insulating Oils: Our transformers use non-PCB oils that comply with the strictest environmental standards.

Learn More:1500 KVA 35KV Electrical Substation Transformer

Manufacturing & Assembly

Core Assembly: Our state-of-the-art manufacturing facilities ensure precise and high-quality assembly of transformer cores.
Winding & Insulation: Windings are precision-wound and insulated to ensure minimal losses and maximum performance.
Tank Fabrication: Transformer tanks are fabricated from high-strength materials and are subjected to strict pressure tests to ensure leak-proof performance.

Testing & Quality Control

Every transformer undergoes thorough factory testing before dispatch:
- Routine Tests: Including temperature rise, dielectric strength, and load loss tests.
- Type Tests: Including short-circuit tests, impulse voltage tests, and lightning impulse tests to meet international standards such as IEEE C57 and CSA C88-M90.
- Performance Tests: Real-time monitoring of electrical performance, cooling efficiency, and noise levels.

Understanding What is Power Transformers: Operation, Applications, Installation, and Maintenance

Transformer Installation Considerations

Proper installation is critical to maximizing the lifespan and operational efficiency of your 5000 KVA 3 phase distribution transformers. Here are some key considerations:

Site Preparation

Foundation: Ensure that the foundation is stable and designed to support the weight and vibration of the transformer. The installation site should be free from excessive dust and moisture.
Space: Adequate space should be left around the transformer for easy access, ventilation, and maintenance.

Handling and Transport

Lifting & Positioning: During transport and installation, care should be taken to handle the transformer using appropriate lifting equipment and techniques.
Transport Safety: Ensure the transformer is securely packed and transported to prevent damage during shipment.

Installation Procedures

Wiring: Ensure that the primary and secondary terminals are properly connected, adhering to standard wiring diagrams.
Grounding: Proper grounding is crucial for safety. Verify that the transformer is properly grounded before commissioning.
Cooling Setup: If the transformer uses ONAF cooling, verify that fans and cooling components are correctly installed and connected.

Yongxing Transformer: A Leading Chinese Transformers Manufacturer with Full-Spectrum Capabilities

Conclusion: Why Choose Yongxing Transformer?

Yongxing Transformer has been a trusted name in the transformer industry for over 30 years, offering high-quality, reliable, and efficient 34.5kV 5000 KVA 3 phase distribution transformers. Our products are designed to meet the unique requirements of power distribution networks and industrial applications worldwide. With our commitment to quality, innovation, and customer satisfaction, we are proud to be a leading supplier of transformers for diverse industries.

Contact us today to learn more about how our 34.5kV 5000 KVA transformers can meet your power distribution needs. Whether you need a customized solution or require specific features, we are here to provide reliable and efficient transformers tailored to your exact requirements.