Transformer
Power transformers transfer electrical energy between circuits through electromagnetic induction, enabling voltage transformation in electrical power systems. SUT Electrical supplies oil-immersed, dry-type, renewable energy, and specialty transformers for substations, industrial facilities, power distribution networks, and infrastructure projects.
Pole-Mounted Circuit Breaker
Pole-mounted circuit breakers provide switching and fault interruption functions in overhead electrical distribution networks. SUT Electrical offers ZW20 and ZW32 series circuit breakers for utility and industrial distribution applications, with protection, control, and automation capabilities depending on the selected model and associated controller configuration.
High-Voltage Switchgear Series
High-voltage switchgear is used for electrical switching, circuit protection, isolation, and power distribution. SUT Electrical offers KYN28, KYN61, HXGN, and other metal-enclosed switchgear and ring main unit solutions for substations, industrial facilities, and electrical distribution networks.
Power Transformers And Complete Equipment
The company's core product portfolio includes power transformers, intelligent distribution boxes, energy-efficient transformers, complete switchgear assemblies, and associated components. All products undergo rigorous testing by our in-house R&D team—utilizing advanced equipment and adhering to international standards—to ensure exceptional performance under complex operating conditions.
Industry Experience
Qualification Patent
Factory Floor Area
Professional Team
We provide reliable support for each project, ensuring professional quality throughout the whole process.
Multiple Choice
We offer diversified and personalized solutions to meet different needs and scenarios.
Rich Experience
We can quickly locate needs, efficiently solve problems, and provide stable and secure guarantees for cooperation.
Effective Communication
We ensure smooth progress of all work and achieve better cooperation results with efficient communication.
Solutions for Distribution & Power Transformers
Responsible for terminal power distribution of 10kV and below, it steps down medium-voltage power to supply end users including residents, small & micro enterprises and municipal public facilities.
Core voltage conversion hub of high & extra-high voltage power grids (e.g. 220kV, 110kV substations step down voltage to 35kV/10kV in stages), undertaking regional power transfer, voltage regulation and power allocation.
User-specific substations of 35kV and above for factories and industrial parks, designed for heavy load, high power supply reliability and complex industrial power consumption conditions.
Boosting transformation facilities supporting PV, wind power and energy storage stations, which collects clean energy power and steps up voltage for grid connection to the utility grid.
Partners
Comprehensive benchmarking systems designed for automatic measurement of transformer no-load/load losses, winding resistance, insulation, and voltage ratios with high-precision digital data logging.
High-vacuum automated resin casting systems engineered to isolate moisture and eliminate micro-voids, ensuring supreme dielectric strength for dry-type electrical coils.
Advanced multi-stage vacuum degasification and oil purification units, tailored to remove trace moisture and particulates for optimal transformer insulation processing.
AC dielectric test equipment designed to perform power-frequency withstand voltage tests on transformers, cables, switchgear, and other electrical equipment. It helps verify insulation withstand capability under specified test voltage and duration conditions, supporting electrical testing and quality control.
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