Products

Power Transformer

For modern electrical infrastructure, our power transformers are engineered for ultimate reliability and performance. They form the backbone of efficient power transmission and distribution systems. Our solutions are particularly effective when integrated with specialized equipment like an On Load Regulator Transformer for seamless voltage regulation. For stepping down power to consumer levels, our range includes industrial-grade Distribution Transformers. In outdoor and utility applications, our durable and compact Pole Mounted Transformers provide essential service. Many of our high-capacity units, especially our robust Oil Immersed Transformers, utilize advanced liquid insulation for superior cooling and longevity, ensuring stable operation in demanding environments.


The LK Series Transformer represents a pinnacle of engineering, designed to meet the rigorous demands of modern grid applications. It features a meticulously constructed core using high-grade, low-loss magnetic steel, which dramatically reduces no-load losses and operational costs. The advanced winding design, utilizing high-conductivity copper or aluminum, ensures minimal load losses and exceptional short-circuit withstand capability. Each unit is subjected to a comprehensive suite of routine and type tests, including lightning impulse and partial discharge tests, to guarantee compliance with international standards like IEC and IEEE.

Core Technical Specifications & Benefits

Key features of our power transformers include:

Parameter Specification Range Standard
Rated Power (kVA) 50 - 120,000 Custom
High Voltage (kV) Up to 550 IEC 60076
Low Voltage (kV) 0.4 - 69 IEC 60076
Frequency (Hz) 50 / 60 Custom
Vector Group Dyn11, YNd1, etc. IEC 60076-1
Insulation Level LI (Lightning Impulse) & AC Withstand IEC 60076-3
Cooling Method ONAN, ONAF, OFAF IEC 60076-2
Noise Level (dB) As per customer requirement IEC 60076-10

Hot Products

  • 11kV 33KV Three Phase Epoxy Resin Cast Dry Type Transformer

    11kV 33KV Three Phase Epoxy Resin Cast Dry Type Transformer

    As a professional China manufacturer and supplier, Lugao Power Co., Ltd's 11kV 33KV Three Phase Epoxy Resin Cast Dry Type Transformer is a very popular product overseas. Not only is it environmentally friendly, but it is also highly safe. LUGAO's professional production line can quickly deliver customer orders, has sufficient inventory, and has a minimum order quantity of one unit. Online installation guidance is also available.
  • Medium Voltage Energy-saving Oil Immersed Transformer

    Medium Voltage Energy-saving Oil Immersed Transformer

    As a professional China Oil Immersed Transformers manufacturer and supplier, Lugao Power Co., Ltd. always puts customers first. Our team is highly professional and provides solutions tailored to customer needs. LUGAO transformers have achieved success in multiple countries and have become our long-term partners. Our Medium Voltage Energy-saving Oil Immersed Transformers are in ample supply, feature advanced technology, and have a minimum order quantity of one unit.
  • Dry-Type Natural Air Cooling Electric Power Transformer

    Dry-Type Natural Air Cooling Electric Power Transformer

    As a reliable manufacturer of dry-type air-cooled three-phase transformers, Lugao Power Co., Ltd. has a complete transformer production line. The Dry-Type Natural Air Cooling Electric Power Transformer is an oil-free, fire-resistant transformer that uses natural air for cooling. It ensures safe, efficient, and low-maintenance power distribution in buildings, hospitals, schools, and industrial facilities.
  • 500kva 10kv Low Loss Three Phase Dry Type Transformer

    500kva 10kv Low Loss Three Phase Dry Type Transformer

    As the manufacturer and supplier in China, Lugao Power Co., Ltd has over 20 years of manufacturing experience in the field of 500kva 10kv Low Loss Three Phase Dry Type Transformer, exporting more than 100 transformers annually. With product quality certified to international standards such as CE and ISO, and competitive pricing, LUGAO has established strong partnerships with customers in multiple countries. We maintain ample inventory, and manufacturing cycles can be completed according to customer requirements.
  • Fully Sealed Oil-Immersed Distribution Transformer for substation

    Fully Sealed Oil-Immersed Distribution Transformer for substation

    As a professional China manufacturer and supplier, Fully Sealed Oil-Immersed Distribution Transformer for substation is designed with a completely sealed oil tank structure that isolates insulating oil from air, preventing moisture and oxidation. It offers stable performance, efficient heat dissipation, and long service life, making it ideal for substations, industrial power distribution, and harsh environments.
  • 10KV All Copper Oil Immersed Power Transformer

    10KV All Copper Oil Immersed Power Transformer

    LUGAO is a famous oil immersed power transformer manufacturer and supplier in China. Lugao Power Co., Ltd has been plowing into the field of transformers for many years, over the years LUGAO with excellent product quality has been professional service level, with customers in many countries to reach a deep cooperative relationship. LUGAO has been highly evaluated by our customers after visiting our factories.S13 10KV all copper oil immersed power transformer is designed according to the requirements and suggestions of our customers.

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