I. Product Introduction

The three-phase oil-immersed on-load tap-changing 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 on-load tap changer, it can automatically and accurately adjust the output voltage under load without power interruptions, effectively solving problems such as large voltage fluctuations in the grid and frequent load changes.

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

II. Technical parameters (customizable)

• Rated Power: 10KVA-5000KVA

• Voltage class: 10 kV / 0.4 kV

• Voltage regulation mode: on-load tap changing

• 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

   Use of high-permeability silicon steel sheets and optimized design. It can significantly reduce energy consumption in long-term operation, bringing obvious economic benefits.

2. Stable voltage regulation under load, high power quality

   Equipped with a reliable on-load tap changer, it can achieve stepless or step voltage regulation without power interruption, ensuring stable output voltage and meeting high-standard power supply requirements.

3. Low noise level, environmentally friendly

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

4. Strong short-circuit resistance, safe and reliable

   The winding has high mechanical strength and a stable overall structure, with excellent short-circuit resistance, ensuring safe and stable operation under complex conditions.

5. Fully sealed structure, easy maintenance

   The fully sealed structure effectively prevents oil aging, oxidation, and insulation leakage. It requires no maintenance or core lifting during operation, significantly reducing daily workload and maintenance costs.

6. Comprehensive protection, long service life

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

IV. Application Scenarios

Suitable for locations with high requirements for energy efficiency, voltage stability, and low noise levels, 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.