Transformers
Transformers
Discover our comprehensive range of high-performance Transformers, engineered for reliable power distribution across diverse applications. We offer a full spectrum, including robust Pad Mounted Transformers for secure underground systems, efficient Distribution Transformers for utility grids, and space-saving Pole Mounted Transformers for overhead lines. For sensitive indoor environments, our Dry Type Transformers deliver exceptional safety without liquid coolants. Completing our lineup are powerful Power Transformers, vital for bulk energy transmission. Featuring advanced insulation (oil-filled or cast resin), optimized core designs, and adherence to international standards, our transformers ensure minimal energy loss, optimal voltage regulation, and long-term operational stability for industrial, commercial, and utility sectors.
1000kVA Single Phase Pad Mounted Transformer
1000kVA Single Phase Pad Mounted Transformer, a high-capacity powerhouse optimized for extensive underground residential and commercial power distribution systems. This advanced oil-immersed transformer boasts ultra-efficient wound cores and premium windings to drastically cut operational losses while maintaining cool, stable performance even at peak demands. Fully aligned with ANSI C57.12.38, IEEE C57.12.00, and DOE efficiency requirements, this 1000kVA padmount delivers seamless step-down from primary voltages up to 34.5kV to versatile secondary outputs, empowering large-scale loop-feed or radial-feed networks with superior overload handling and minimal acoustic footprint.
1250kVA Single Phase Pad Mounted Transformer
The 1250kVA Single Phase Pad Mounted Transformer is a premium solution crafted for expansive underground electrical systems in high-growth areas. Housed in a secure, weatherproof cabinet with advanced dead-front or live-front configurations, it maximizes personnel safety and deters tampering in public spaces. Adhering to ANSI C57.12.25, IEEE C57.12.91, and energy efficiency mandates, this 1250kVA single-phase padmount excels in transforming primary voltages up to 34.5kV to flexible secondary levels, offering exceptional short-circuit strength and quiet operation for large-scale residential and commercial deployments.
1600kVA Single Phase Pad Mounted Transformer
The 1600kVA Single Phase Pad Mounted Transformer represents the pinnacle of high-capacity underground distribution technology, engineered to handle the most demanding residential and commercial loads with outstanding efficiency and longevity. Conforming to the latest ANSI C57.12.38, IEEE C57.12.00, and DOE 2016/2020 efficiency tiers, this 1600kVA single-phase padmount provides reliable step-down from primary voltages up to 46kV to versatile secondary configurations, supporting massive loop-feed networks with superior overload tolerance and virtually silent operation.
167kVA Three Phase Pad Mounted Transformer
The 167kVA three phase pad mounted transformer delivers robust and efficient power distribution for medium-voltage applications. Built to exceed ANSI C57.12.34, IEEE, and DOE efficiency standards, this compartmental-type unit features a durable, tamper-resistant steel enclosure with dead-front or live-front high-voltage bushings, radial or loop feed configurations, and a 65°C average winding rise for optimal thermal performance. Primary voltages range from 4160V to 34500V (with common options like 12470GrdY/7200 or 13800V), while secondary voltages include 208Y/120V, 480Y/277V, or custom low-voltage setups.
630kVA Three Phase Pad Mounted Transformer
NPC ELECTRIC's 630kVA three phase pad mounted transformer is engineered for demanding medium-voltage distribution needs, delivering superior efficiency and durability in outdoor installations. Compliant with the latest DOE efficiency standards, ANSI C57.12.34, IEEE requirements, and UL listings, this compartmentalized unit features a robust steel enclosure with corrosion-resistant coating, high-voltage dead-front or live-front bushings, radial or loop feed setups, and a standard 65°C winding rise for excellent thermal management. Primary voltages span from 4160V to 34500V (including popular grounded wye options like 12470GrdY/7200V or 13800GrdY/7970V), while secondary voltages cover 208Y/120V, 480Y/277V, or custom low-voltage configurations up to 600V.
800kVA Three Phase Pad Mounted Transformer
NPC ELECTRIC's 800kVA three phase pad mounted transformer provides exceptional power handling for high-demand medium-voltage applications, ensuring stable and efficient distribution in outdoor settings. Built with safety and longevity in mind, this pad-mounted unit features three-point door latching, automatic pressure relief, liquid level/pressure/vacuum gauges, high BIL ratings (up to 150kV for surge protection), and a tamper-resistant structure suitable for public access areas. Its compact, low-profile footprint facilitates easy installation on concrete pads in constrained urban or industrial sites, while advanced enclosure integrity meets IEEE C57.12.28 requirements.
1250kVA Three Phase Pad Mounted Transformer
NPC ELECTRIC's 1250kVA Three Phase Pad Mounted Transformer is a high-performance, oil-immersed distribution transformer engineered for reliable underground power distribution in demanding environments. It delivers exceptional efficiency (up to 99.2% or higher), low no-load and load losses, and a 65°C average winding rise for extended service life exceeding 30-40 years. Key components include high-grade silicon steel core, aluminum or copper windings, 5-position tap changer (±2x2.5%), pressure relief valve, oil level gauge, and tamper-resistant enclosure in Munsell green finish.
1600kVA Three Phase Pad Mounted Transformer
The 1600kVA Three Phase Pad Mounted Transformer is a robust, liquid-immersed, self-cooled distribution transformer designed for reliable underground power delivery in high-demand environments. Built to exceed IEEE C57.12.34, ANSI C57.12.00, DOE 2016 efficiency standards, and CSA C802.3 requirements, this UL-listed compartmental-type unit features dead-front high-voltage bushings (200A loadbreak inserts), loop-feed or radial configurations, and a fully sealed tank with mineral oil or eco-friendly FR3 fluid options.Suitable for primary voltages like 12.47kV, 13.8kV, 24.94kV, or 34.5kV to secondary 480Y/277V or 208Y/120V, it provides overload capability, low maintenance, and enhanced fire safety for modern grid integration.
3750kVA Three Phase Pad Mounted Transformer
NPC ELECTRIC's 3750kVA Three Phase Pad Mounted Transformer is a heavy-duty, oil-immersed compartmental-type distribution transformer engineered for high-capacity underground power distribution in large-scale utility and industrial settings. This high-power pad-mounted transformer reduces energy consumption, lowers total ownership costs through superior efficiency and longevity (30+ years), and supports demanding loads with features like vacuum fault interrupters and harmonic mitigation, ideal for reliable, secure power in expansive commercial-industrial networks.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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