Hungary 66KV Electric Power Transformer

The 66kV power transformer is a medium- and high-voltage power transmission and distribution transformer designed and manufactured in strict accordance with GB and IEC standards. It utilizes oil-immersed insulation and cooling technology, using natural cooling, air cooling, water cooling, or forced oil circulation to ensure stable operation under various loads. Its core structure includes key components such as the core, windings, oil tank, oil pillow, radiator, insulating bushing, tap changer, and gas relay. Through comprehensive optimized design and precision manufacturing, it achieves a significant leap in product performance.

1. Excellent Electrical and Mechanical Performance: Through our proprietary calculation and verification procedures, core components such as the core, coil, and leads are precisely optimized, resulting in products with high electrical and mechanical strength, capable of withstanding severe grid surges and short-circuit currents.

2. Energy-Saving, Environmentally Friendly, and Economically Efficient: The product features low losses (both no-load and loaded) and low noise levels, effectively reducing power station operating costs, complying with national industrial policies for energy conservation and consumption reduction, and enhancing the overall economic benefits of the power grid.

3. Extremely High Operational Reliability: The low partial discharge design and fully sealed, no-hanging core structure effectively prevent moisture and aging of the insulating oil, significantly reducing maintenance workload, extending the equipment life, and ensuring absolute long-term operational reliability.

4. Compact Structure and Superior Design: Superior craftsmanship and material selection ensure the transformer maintains performance while achieving the advantages of small size and light weight, facilitating transportation and installation, and saving space. The winding arrangement (core-low voltage-medium voltage-high voltage) of the step-down three-winding transformer is optimized to optimize impedance distribution and meet system protection requirements.

5. Excellent grid adaptability: One winding in the three-winding design is typically connected in a delta configuration, effectively suppressing third harmonics, improving voltage waveform quality, and ensuring high-standard adaptability to modern power grids.

Due to their stable and reliable performance, the 66kV power transformer is suitable for a variety of harsh environments. Its main applications are:

Traditional power systems: major power plants and regional substations, serving as key nodes for power transmission and distribution.

Urban infrastructure: power supply systems in densely populated areas such as high-rise buildings, commercial centers, subways, airports, and train stations.
Large-scale industrial sectors: industrial and mining enterprises, petrochemical bases, and other locations with extremely high requirements for power supply continuity and safety.
Harsh environments: particularly suitable for offshore drilling platforms, oil production platforms, and special environments such as flammable and explosive environments. Its fully sealed and rugged structure provides extremely high safety assurance.

High-Quality Raw Materials

1. Uses silicon steel raw materials from top-tier state-owned enterprises like Wuhan Iron and Steel and Baosteel.

2.Control material quality from the source, reducing defects.

 

Fully Automated and Unmanned Process

1.Intelligent cross-cutting and longitudinal shearing, RGV rails, AGV/unmanned forklifts, dual intelligent automated warehouses, automatic stacking machines, automatic inspection and conveying, etc.

2.educes human error, bumps, and material damage.

 

High Precision and Consistency

1. Smooth, burr-free cuts; perfectly fitted laminations.

2.Unified control of lamination position, pressure, and gap.

3.Constant tension winding; automatic computer counting eliminates human error.

Full Traceability

1. Each iron core has an independent traceability code.

2.Each SOP corresponds to a unique QR code.

3.Raw material batches, process records, and responsible persons are all traceable; problems can be located in seconds.

National-Level Testing and Export Certification

1. CNAS National-Level Testing Center; one of the ≤5 institutions nationwide with relevant transformer testing capabilities.

2.Never leaving the factory if substandard.

3.Compliant with IEC, GB/T, IEEE, and ANSI standards; meets UL, CE, GOST, and other market requirements.

Global Environmental Adaptability

1. Five-fold anti-corrosion upgrades: C5-grade electrostatic powder coating, 150μm thickness, salt spray resistance >1000h.

2.Suitable for harsh environments such as coastal areas, high-altitude regions, extreme cold, and high humidity.

3.Customization available, including FR3 vegetable oil and vacuum-sealed anti-corrosion packaging.

The image below shows a transformer used in a 20MVA 66kV photovoltaic power station project installed by TSTY in Africa. In addition, TSTY has exported transformers to more than 80 countries and regions, including the Philippines, Colombia, Ethiopia, Russia, Zambia, and Chile.

TSTY Electric Co., Ltd is a national high-tech enterprise with a history of more than 30 years, focusing on the intelligent manufacturing of power transmission and distribution equipment. It mainly deals in oil-immersed, dry-type transformers, box-type substations, high and low voltage switchgear and have obtained ISO 9001, CCC, CE, IEC, GOST and other certifications, 158 patents, and are exported to more than 80 countries.  

Factory scale: 250,000 square meters of park, 15 production lines (including 3 intelligent lines), equipped with 220+ intelligent equipment.  

Production capacity efficiency: annual production capacity:25000 units transformer+ 10000 HV LV switchgear, product qualification rate> 99.8%.

All TSTY transformer products have passed CE, IEC, UL,SGS, GOST and other certifications.