Transformers
Epoxy Resin Cast Dry-Type Transformer
30kVA Dry Type Transformer
The 30kVA Dry type transformer complies with ANSI, CSA, NEMA, IEEE, IEC, GB, and DOE standards. NPC ELECTRIC manufactures Dry type transformer in strict accordance with the highest industry and international standards. Our team of highly skilled professionals ensures these rigorous standards are meticulously upheld in daily operations.
50kVA Dry Type Transformer
NPC ELECTRIC 50kVA dry-type transformer is an efficient, safe and environmentally friendly power transformer. It adopts dry insulation structure and does not require oil immersion cooling. It is suitable for various small and medium-sized power systems. It is widely used in industries, commercial buildings and power distribution, providing users with stable and reliable power supply.
80kVA Dry Type Transformer
80kVA dry-type transformer launched by NPC ELECTRIC adopts advanced dry insulation technology, has the advantages of high efficiency, environmental protection, and safety, and is widely used in industrial, commercial, and residential power systems. The transformer has a compact design, strong load-bearing capacity, stable operation, and effectively reduces energy loss. The oil-free structure reduces the risk of fire, meets modern green environmental standards, and is suitable for use in environments with high requirements for power stability and low noise.
100kVA Dry Type Transformer
The 100kVA dry-type transformer adopts efficient dry-type insulation technology and is designed for industrial, commercial and residential power systems. With its excellent performance and compact structure, the transformer provides stable and reliable power support and is suitable for small and medium-sized power distribution needs. Through strict quality control, NPC ELECTRIC's 100kVA dry-type transformer provides users with high-quality, low-maintenance power solutions.
200kVA Dry Type Transformer
200kVA Dry Type Transformer is designed for high efficiency and reliable performance in various industrial and commercial applications. With a robust and compact design, it ensures safe operation without the need for external cooling fluids. Ideal for environments where space and fire safety are critical, this transformer provides reliable power distribution while minimizing environmental impact. Built with advanced materials and precision engineering, it offers excellent durability, low maintenance, and energy savings, making it the perfect choice for demanding electrical needs.
400kVA Dry Type Transformer
The NPC ELECTRIC 400kVA Dry Type Transformer is engineered for efficient and reliable power distribution in industrial, commercial, and utility applications. With a compact, fire-safe design, it operates without the need for oil or other cooling fluids, making it ideal for environments with strict safety and environmental standards. Designed to withstand heavy loads, it is the perfect solution for demanding electrical requirements, providing a sustainable and cost-effective option for modern electrical systems.
500kVA Dry Type Transformer
NPC ELECTRIC 500kVA Dry-Type Transformer offers reliable and efficient power distribution with a compact, oil-free design. It ensures safe, low-maintenance operation with advanced insulation and cooling systems, making it ideal for industrial and commercial use. With a capacity of 500kVA, it delivers stable performance while being environmentally friendly and cost-effective.
630kVA Dry Type Transformer
NPC ELECTRIC 630kVA Dry-Type Transformer is a compact, oil-free solution for reliable power distribution. With advanced insulation and cooling systems, it ensures safe, low-maintenance operation, making it ideal for industrial and commercial applications. Offering 630kVA capacity, it delivers efficient, environmentally friendly, and cost-effective performance.
800kVA Dry Type Transformer
NPC ELECTRIC 800kVA Dry-Type Transformer provides reliable, oil-free power distribution with a compact design. Featuring advanced insulation and cooling systems, it ensures safe, low-maintenance operation for industrial and commercial use. With 800kVA capacity, it delivers efficient and environmentally friendly performance.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
Peru Electricity
CompletedEnsure power security in nearby industrial parks and meet diverse needs
Country：Peru
Model：NPC 220KV 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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