25MVA 25000KVA 150KV Step Down Power Transformer With MR OLTC

Product Introduction

YAWEI's 25MVA 150KV OLTC power transformer was delivered to Italy in 2024, this 25000KVA rated power transformer is operating in a cement plant based in Sicily, this electrical transformer is designed with ONAN/ONAF cooling method and primary voltage is 150KV, secondary voltage is 6.5KV. The on-load tap changer has 25 steps ±12×1.5%(±18%).

The advangtages of our product

YAWEI  ensures that each of our delivered transformers has passed the most strictly test .Moreover we have remained 0 fault rate record for more than 10 years and our oil immersed power transformer is designed in light of IEC, ANSI and other major international standards so far. We exported to 50+ countries worldwide and have gotten related certificates in the regarding regions. Last but not least ,the high voltage transformer can be designed according to customer's requirements.

We aim to be your best supplier and business partner, welcome to us to get more detailed power transformer plans.

Outline Basic diagram

Dimensions of 25 MVA power transformer and some components

25 MVA 150/6.5KV Transformer Manufacturing

During the installation process,we usually have two processes to ensure the efficiency of installation.

25MVA 150/6.5KV Transformer Testing

During the test,we will test some necessary data,for example:Partial discharge test, ratio test, DC resistance test, impedance test, no-load test, comprehensive test, insulation resistance test, capacity characteristic test, oil dielectric loss test, AC withstand voltage test, withstand voltage test, loss parameter test, inductance test, etc.... to ensure that there is no problem with the quality of the product before we ship.

Packing and Delivery

Packaging: We often use wooden case or according to clients' requirements to pack.About the requirements for the making and reinforcement of packing boxes,we will strictly apply to international standards.

We will also ensure the safety of the products during transportation

Why Choose YAWEI ?
1. Over 30 years professional experience in manufacturing different kinds of transformers.
2. Professional technician team. Satisfying and in-time service.
3. Our products have Passed high standard quality test and gotten UL, EC, IEC, CNAS,SA,IEEE,ISO9001:2000 quality system certification
4. We have the systematic,scientific,integral manufacturing from winding casing to power transfer.
5. We will supply good after-sales installation service for overseas team.
6. We are willing to establish long term cooperation with end user or trading company.

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25 MVA power transformer specification and data sheet