I. Product Introduction

The three-phase oil-immersed tap-change transformer is a new generation of ultra-high efficiency. Using high-quality cold-rolled silicon steel sheets, an optimized magnetic circuit structure, and a mature and reliable tap-change device, it can automatically and accurately regulate the output voltage under load without power interruption, effectively solving problems such as large grid voltage fluctuations and frequent load changes.

The transformer features ultra-low loss, ultra-low noise, a robust, short-circuit-resistant design, safety, reliability, and a long service life. With outstanding energy efficiency, it has become the preferred energy-saving equipment for urban and rural power grids, industrial and commercial users, infrastructure, and key energy consumers.

II. Technical parameters (customizable)

• Rated power: 10KVA-5000KVA

• Voltage class: 10 kV / 0.4 kV

• Voltage regulation mode: Tap switching under load under load

• Cooling Mode: ONAN (Oil Natural Air Natural)

• Connection group: Dyn11, Yyn0

• Insulation class: class B

• III. Main Features

1. Ultra-high energy efficiency, outstanding energy-saving effect

   The use of highly permeable silicon steel sheets and an optimized design can significantly reduce energy consumption over the long term, resulting in clear economic benefits.

2. Stable voltage regulation under load, high power quality

   Equipped with a reliable push-button switch under load, it can realize stepless or graduated voltage regulation without powering off, ensuring stable output voltage and meeting high power standard requirements.

3. Low noise, environmentally friendly

   Thanks to the optimized body structure, low-vibration design and effective noise reduction measures, the operating noise is greatly reduced, making it especially suitable for residential areas, schools, hospitals and other noise-sensitive areas.

4. Strong short circuit resistance, safe and reliable

   The winding has high mechanical strength and stable overall structure, excellent short-circuit resistance, which ensures safe and stable operation under difficult conditions.

5. Fully sealed design, easy maintenance

   The use of a fully sealed design effectively prevents oil aging, oxidation, and insulation leaks. It requires no maintenance or core lifting during operation, significantly reducing daily loads and maintenance costs.

6. Full protection, long service life

   Equipped with complete protective devices and reliable structural design, the transformer has high environmental adaptability, stable performance and long service life.

IV. Application scenarios

Suitable for places with high requirements for energy efficiency, voltage stability and low noise, such as urban and rural power grids, industrial parks, residential areas, commercial buildings, hospitals, schools, data centers, factories, mines and other industrial and mining enterprises.