"250 kVA 3 Phase Transformer – High Efficiency Power Distribution Solution for Industrial and Commercial Use"

250 kVA 3 Phase Power Transformer by Evernew Transformer – Reliable and Efficient Energy Distribution Solution

250 kVA 3 Phase Transformer – High Efficiency Power Distribution Solution

Primary Voltage: 11 KV

Secondary Voltage: 0.11 KV, 0.22 KV, 0.38 KV, 0.4 KV, 0.415 KV, 0.44 KV

Connection Type: Dyn11/Yyno or others

Standards: ANSI/IEEE, CSA/CAN, DOE

Power Rating: 250 KVA

Certificate: CSA, SGS, CE, UL, cUL

In 2019, several 250 kVA 3 Phase Transformers with a primary voltage of 11 KV and secondary voltage options from 0.11 KV to 0.44 KV were delivered to South America for a large-scale power grid expansion project. These transformers were designed to meet the region’s electrical needs, factoring in the local climate and infrastructure. The project aimed to enhance the power distribution system in both urban and rural areas. After installation and rigorous testing, the transformers have been operating reliably for over five years, ensuring consistent and efficient energy distribution across the region.

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The 250 KVA 3 Phase Transformer from Evernew Transformer is a high efficiency, reliable solution designed to meet modern power distribution needs. Manufactured using advanced technology and the highest quality materials, this transformer ensures stable energy conversion for a variety of applications. With a primary voltage of 11 kV and secondary voltage options ranging from 0.11 kV to 0.44 kV, the 250 KVA Transformer is versatile and can be customized to meet specific power distribution requirements.

Delivered to South America in 2019, the 250 KVA Distribution Transformer has been in operation for over five years, providing reliable service and supporting power system upgrades in residential, commercial, and industrial areas. The 250 KVA Transformer is designed to handle fluctuations in load, ensuring uninterrupted power distribution, while minimizing downtime and maintenance.

Efficient Energy Conversion: The 250 KVA Transformer ensures optimal energy conversion with minimal loss. Its robust design guarantees low operational costs while providing continuous, reliable power.
Superior Cooling Design: This transformer incorporates advanced cooling technology with high-quality mineral oil and radiators, offering superior heat dissipation. The cooling method—ONAN—uses natural convection of oil and air, while ONAF can handle an additional 25% load by using forced air cooling.
Durability and Long-Life Performance: Manufactured with high-quality copper windings, silicon steel sheets, and durable components, the 250 KVA Transformer delivers a long operational life. Designed to withstand harsh environmental conditions, it’s ideal for both tropical and temperate climates.
High Efficiency: The 250 KVA Transformer is designed to optimize energy usage, ensuring minimal energy loss during conversion. This helps to reduce energy costs and supports sustainable energy distribution.
Global Compliance: The 250 KVA Transformer is designed and tested to meet international standards including IEC, ANSI, and CSA, ensuring high-quality performance across a wide range of operating conditions.
Low Maintenance: The 250 KVA Transformer is engineered for long-term, trouble-free operation with minimal need for maintenance. Regular oil checks and cooling system inspections ensure the longevity of the equipment.
Customizable Voltage Options: The transformer offers flexible secondary voltage configurations to meet the specific needs of different applications, including 0.11 kV, 0.22 kV, 0.38 kV, 0.4 kV, 0.415 kV, and 0.44 kV.

Product Testing & Certification

Each 250 KVA Transformer is rigorously tested to meet the highest industry standards. These include:

Routine Tests:
1. Winding Resistance Measurement – Ensures the transformer windings are within the acceptable resistance limits for optimal energy conversion.
2. Voltage Ratio and Phase Displacement Measurement – Verifies the transformer’s voltage transformation efficiency.
3. Short-Circuit Impedance and Load Loss Measurement – Measures the efficiency during operation, particularly under high-load conditions.
4. No-Load Loss and Current Measurement – Ensures that the transformer consumes minimal energy during idle periods.
5. Dielectric Tests – Verifies that the transformer can withstand high-voltage electrical stress.
Type Tests (according to IEC 60076):
1. Temperature Rise Test – Measures the transformer’s ability to dissipate heat under load conditions.
2. Lightning Impulse Test – Ensures the transformer can withstand high-voltage surges, protecting the equipment and downstream infrastructure.
3. Tapping Range Test – Ensures that the transformer’s taps function correctly under varying loads.
4. Insulation Resistance Test – Verifies the transformer’s insulation capabilities, protecting against electric short-circuits.

Learn More:300 KVA 6.6 KV 3 Phase Oil Immersed Distribution Transformer

High-Quality Materials & Manufacturing Standards:

Copper Windings: The 250 KVA Transformer uses high purity copper windings, ensuring high electrical conductivity and reliability. Copper windings reduce electrical losses and ensure better energy efficiency.
Silicon Steel Sheets: The transformer core is made from high-quality silicon steel sheets that reduce core losses and improve magnetic efficiency.
Mineral Oil: The use of high quality mineral oil ensures excellent cooling and insulation properties, ensuring stable transformer performance even in high-load conditions.

Cooling Methods:

ONAN (Oil Natural Air Natural): 250 KVA Transformer utilizes the ONAN cooling method, where natural convection of oil and air removes heat. This cooling system is highly efficient and is ideal for transformers under normal load conditions.
ONAF (Oil Natural Air Forced): For transformers operating in demanding conditions or locations with higher ambient temperatures, the ONAF method uses forced air to increase cooling capacity, allowing the 250 KVA Transformer to handle up to 25% more load.

Global Proven Reliability

250 KVA Transformer has been successfully deployed in over 50 countries worldwide, including regions such as North America, Europe, the Middle East, and Central Asia, and has been integral to power systems in countries like the USA, Canada, Russia, Kazakhstan, Uzbekistan, and Tajikistan.

These transformers have been specifically designed for a variety of applications, from rural residential areas to large industrial complexes. In particular, the 250 KVA Transformer has been instrumental in South American power system upgrades, providing efficient, stable power distribution for urban and rural communities alike.

Case Study

In 2019, two 250 KVA Transformers were shipped to South America to support a major power system upgrade. With primary voltages of 11 kV and secondary voltages of 0.4 kV, these transformers have been in operation for over five years, successfully providing continuous, reliable energy distribution despite variable weather conditions. The transformers have proven their durability and efficiency, with minimal maintenance required.

Learn More:Power Distribution Equipment Transformers: Key Components for Reliable and Efficient Electricity Supply

Why Choose Evernew Transformer?

Proven Track Record: Over 30 years of experience with a zero-failure rate.
High-Quality Standards: Compliance with IEC, ANSI, CSA, and other international standards.
Customized Solutions: The 250 KVA Transformer can be tailored to meet the specific requirements of your power distribution system.
Global Expertise: Successful deployments across more than 50 countries.
Comprehensive Support: From technical consultation to after-sales support, Evernew Transformer provides ongoing service and advice to ensure optimal transformer performance.

Contact Us

For more information on the 250 KVA Transformer or to request a customized solution, please get in touch with our customer support team. Evernew Transformer is committed to delivering the most reliable, high-quality products that cater to your power distribution needs.