Transformers
Transformers
750kVA Oil Immersed Transformer
NPC ELECTRIC's 750kVA oil-immersed transformer uses advanced oil-immersed cooling technology to provide efficient and stable power conversion. The transformer complies with international standards such as the International Electrotechnical Commission (IEC) and ISO 9001, ensuring the high quality and safety of the product. Its sturdy structure and excellent overload resistance are widely used in industrial, commercial, and power network fields.
800kVA Oil Immersed Transformer
The NPC ELECTRIC 800kVA Oil-Immersed Transformer is designed for high efficiency, durability, and reliable power distribution. Built to meet IEC 60076 and ANSI/IEEE standards, it ensures superior performance and safety. Certified for international quality compliance, it is ideal for industrial, commercial, and utility applications.
1000kVA Oil Immersed Transformer
NPC ELECTRIC's 1000kVA oil-immersed transformer is made of high-quality silicon steel sheets and high-quality insulation materials, with high efficiency, low loss, and long life. The product complies with international standards such as IEC 60076 and GB 1094, and has passed strict type tests and factory tests to ensure safety and reliability.
1250kVA Oil Immersed Transformer
NPC ELECTRIC's 1250kVA oil-immersed transformer adopts advanced design and manufacturing technology and complies with international power equipment standards (such as IEC, ANSI, IEEE, etc.). Its high-quality materials and strict quality control ensure the long-term reliability and safety of the equipment. The transformer has high efficiency and stable power transmission performance and is widely used in industrial, commercial, and power systems.
1500kVA Oil Immersed Transformer
NPC ELECTRIC's 1500kVA oil-immersed transformer adopts advanced technology, complies with international IEC, ANSI, and other standards, and has efficient and stable power conversion capabilities. It uses oil-immersed cooling technology, has excellent heat dissipation performance and durability, and ensures long-term stable operation of the equipment in harsh environments.
1600kVA Oil Immersed Transformer
NPC ELECTRIC's 1600kVA oil-immersed transformer adopts internationally advanced technology and complies with international standards such as IEC and ANSI to ensure stable and reliable product performance. This transformer is widely used in the fields of power, industry, and infrastructure, with excellent load capacity and long life. Its efficient oil-immersed cooling system effectively improves the thermal management of the transformer and ensures long-term and efficient operation.
2000kVA Oil Immersed Transformer
NPC ELECTRIC's 2000kVA oil-immersed transformer uses advanced oil-immersed cooling technology, has excellent heat dissipation performance and high efficiency, and is suitable for various power systems. The transformer complies with international IEC standards and ISO quality management system certification to ensure product reliability and stability. Its design meets environmental protection requirements, has low noise and low vibration, and is widely used in industrial, commercial, and power transmission and distribution systems.
2500kVA Oil Immersed Transformer
NPC ELECTRIC's 2500kVA oil-immersed transformer is designed with international advanced technology and complies with international standards such as IEC, ANSI, and ISO. It has high efficiency, low noise, and excellent thermal stability. This transformer is widely used in power transmission and distribution systems to ensure a stable and reliable power supply. With its durable structure and excellent performance, NPC ELECTRIC's 2500kVA oil-immersed transformer provides safe and efficient energy solutions for users around the world.
Solar Transformer
NPC ELECTRIC specializes in the design and production of high-performance Solar Step-up Transformers for photovoltaic (PV) applications, offering a wide range of transformer types to meet diverse installation and operational needs. Our product portfolio includes Dry Type Transformers for indoor or fire-sensitive environments, Pad Mounted Transformers for compact and secure outdoor use, Oil-Immersed Transformers known for their reliability and thermal performance, and Prefabricated Substation Transformers that integrate seamlessly into modular substation systems. Each solution is engineered to support efficient voltage step-up from inverter output to medium voltage grid levels, ensuring safe and stable energy transmission. In addition to standard models, NPC ELECTRIC provides customized solutions, including dual-split (Double-Split Winding) transformer designs that are particularly advantageous for high-capacity systems, difficult logistics, or site limitations, enabling easier transport and installation without compromising performance. Our transformers are compatible with both centralized and string inverter configurations and are manufactured to comply with international standards such as IEC, ANSI, and IEEE. Backed by advanced manufacturing capabilities and strict quality control.In-Depth Analysis
NPC Electric transformers are built to deliver high efficiency, reliable performance, and advanced safety, helping businesses reduce energy costs while ensuring stable power supply. With future-ready adaptability for renewable energy and smart grid applications, they provide a sustainable and innovative solution for today’s and tomorrow’s power needs.
Comparative Analysis of Efficiency and Loss
Compared to the industry average, NPC transformers exhibit lower losses and higher efficiency across the entire load range.
Load Efficiency Comparison(%)
No-load Loss Comparison(W)
High-efficiency Core Design
High magnetic permeability and low loss silicon steel sheets are used and processed by special process to reduce hysteresis loss and eddy current loss and improve conversion efficiency.
Improved Magnetic Permeability
+25%
Reduced Iron Loss
-30%
Multiple Protection Systems
IP65 protection grade design combines multiple protection measures such as anti-corrosion, anti-UV, anti-condensation and anti-small animal intrusion.
Waterproof Performance
IP65
Anti-Corrosion Ability
15 years+
Ultra-low Noise Technology
A special shock-absorbing structure, low-noise fans, and optimized heat dissipation design ensure operating noise is far below industry standards.
Noise Reduction
-15dB
Suitability for Residential Areas
Excellent
Intelligent Cooling System
The heat dissipation system with adaptive temperature control automatically adjusts the heat dissipation efficiency according to the load and ambient temperature to reduce energy consumption.
Heat Dissipation Efficiency
+40%
Temperature Stability
±2℃
Safety Wiring System
Insulated protective cover and anti-misoperation design ensure personnel safety during installation and maintenance and reduce accident risks
Insulation Grade
Class H
Safety Protection
IP2X
Intelligent Monitoring
An optional remote monitoring system is available to monitor operating status, temperature, load and other parameters in real time, and supports fault warning and remote diagnosis.
Data Collection Frequency
one times a minute
Fault Warning Accuracy
98%
Environmental Adaptability Analysis
NPC transformers have been rigorously tested and can operate stably under various harsh environmental conditions.
Temperature Range
-40℃ ~ +55℃
Can work normally in extreme high and low temperature environments
Humidity Adaptation
0 ~ 100% RH
Including condensation environment, no frost requirement
Seismic Resistance Level
IEC 60068-2-57
Suitable for earthquake-prone areas
Altitude
≤3000m
More than special design
Why Choose Us
As a trusted partner in energy savings and the development of green energy solutions, NPC Electric has played a pioneering role in the development of national smart grids across multiple regions.
Transformer Manufacturer
With over 30 years of manufacturing experience, we specialize in delivering reliable and efficient transformer solutions.
Our product portfolio includes Pad Mounted Transformers, Power Transformers, Dry Type Transformers, Pole Mounted Transformers, Oil-immersed Transformer, Substation Transformer and Distribution Transformers, serving diverse applications with proven quality and innovation.
NPC ELECTRIC is committed to providing partners with high-quality, high-performance, and high-reliability transformers.
Our product portfolio includes Pad Mounted Transformers, Power Transformers, Dry Type Transformers, Pole Mounted Transformers, Oil-immersed Transformer, Substation Transformer and Distribution Transformers, serving diverse applications with proven quality and innovation.
NPC ELECTRIC is committed to providing partners with high-quality, high-performance, and high-reliability transformers.
Transformer Installation
NPC Electric’s skilled engineers offer full-cycle support—from design consultation and technical drawings to on-site guidance and after-sales service—ensuring peace of mind at every stage of the project.
We have a technical team of over 60 members and more than 100 after-sales engineers, ready to assist customers with installation and on-site support. Till now, we have provided professional engineering services in countries such as Mongolia, Honduras, Peru, and Rwanda. Our services include winding resistance testing, oil testing, and installation support.
We have a technical team of over 60 members and more than 100 after-sales engineers, ready to assist customers with installation and on-site support. Till now, we have provided professional engineering services in countries such as Mongolia, Honduras, Peru, and Rwanda. Our services include winding resistance testing, oil testing, and installation support.
Transformer Testing
NPC Electric uses high-quality raw materials and advanced production processes, supported by strict quality control systems. Our products meet or exceed international standards such as IEC, UL, and ISO, ensuring safety, reliability, and long service life. All our cables are subject to third-party laboratory testing—such as by SGS, DNV, or witnessed directly by customers—to ensure compliance and performance.
Efficient Logistics & Timely Delivery
With over 4,200 square meters of strategically located warehouse space across China, we guarantee timely delivery and flexible logistics to meet tight global project schedules. We utilize specialized transportation teams across land, sea, and air to assist with shipping your products. We can arrange shipping on EXW, CIF, FOB, FCA, CIP, or any other terms requested by the client.
Product Show
Explore the detailed design and practical application scenarios of NPC transformers
Pad Mounted Transformer
Pad Mounted Transformer Design
3 Phase Transformer
Transformer Internal Structure
NPC Earth Transformer
Safe and reliable
Oil Immersed Transformer
Lightweight and compact with superior performance
Testing and Certification
Tested with precision and certified to meet international standards as
well as strict industry requirements.
Bare Cable Test Report
SGS Inspection Report
Certificate of Acceptance
ISO Quality Certificate
ISO Environmental Certificate
ISO Occupational Certificate
UL Laboratory Certificate
UL Product Certificate
Project Cases
NPC transformers have been successfully applied in many projects and have been highly praised by customers.
Mongolia Industrial Park
CompletedProvide stable and reliable power conversion solutions for industrial parks to meet diverse production needs.
Country：Mongolia
Model：Three Phase Pad Mounted Transformer x 8
Dominican Factory
CompletedEnsure power security in nearby industrial parks and meet diverse needs
Country：Dominican
Model：NPC 450KV Power Transformer x 4
Dominican Electricity
CompletedDry-type transformers provide safe, efficient, and reliable power distribution in Dominican .
Country：Dominican
Model：NPC Dry Type Transformer x 6
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
FAQ From Customers
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What types of transformers do you manufacture?
We provide a full range of transformers including pad mounted transformers, power transformers, dry type transformers, pole mounted transformers, and distribution transformers, etc. -
How do your transformers ensure safety and reliability?
NPC transformers are built with advanced insulation systems, strict quality control, and international standard certifications, ensuring long-term safe and stable performance. -
Can transformers be customized for specific applications?
Yes. We offer customized designs to meet unique requirements in renewable energy, industrial, utility, and commercial applications. -
What is the typical service life of your transformers?
With proper maintenance, our transformers are designed for a service life of 25–30 years or more, ensuring reliable operation with minimal downtime. -
Do you provide after-sales service and technical support?
Absolutely. We offer comprehensive after-sales service, including installation guidance, maintenance support, and technical consultation.
Welcome your inquiry
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