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NPC ELECTRIC Transformers Products

Transformers

Transformers

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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)

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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%
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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+
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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
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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℃
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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
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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.

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Temperature Range

-40℃ ~ +55℃

Can work normally in extreme high and low temperature environments

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Humidity Adaptation

0 ~ 100% RH

Including condensation environment, no frost requirement

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Seismic Resistance Level

IEC 60068-2-57

Suitable for earthquake-prone areas

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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.
NPC ELECTRIC Pad Mounted Transformers

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.
npc transformer installation

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.
npc electric transformer testing

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.
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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
45kVA Pad Mounted Transformer Design

Pad Mounted Transformer

Pad Mounted Transformer Design

3 Phase Transformer Internal Structure

3 Phase Transformer

Transformer Internal Structure

NPC Earth Transformer

NPC Earth Transformer

Safe and reliable

NPC Oil Immersed Transformer

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(AAC,AAAC,ACAR ACSR) Test Report

Bare Cable Test Report

SGS Inspection Report

SGS Inspection Report

Certificate of Acceptance

Certificate of Acceptance

ISO Quality Management System Certificate

ISO Quality Certificate

ISO Environmental Certificate

ISO Environmental Certificate

ISO Occupational Certificate

ISO Occupational Certificate

UL Laboratory Certificate

UL Laboratory Certificate

UL Product 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 for Three Phase Pad Mounted Transformer

Mongolia Industrial Park

Completed

Provide stable and reliable power conversion solutions for industrial parks to meet diverse production needs.

Country:Mongolia

Model:Three Phase Pad Mounted Transformer x 8

"Simple and firm installation, stable operation"
Dominican Electricity for 220kv Power Transformer

Peru Electricity

Completed

Ensure power security in nearby industrial parks and meet diverse needs

Country:Peru

Model:NPC 220KV Power Transformer x 4

"High efficiency, easy installation, and dependable operation."
Dominican Electricity for Dry Type Transformer

Dominican Electricity

Completed

Dry-type transformers provide safe, efficient, and reliable power distribution in Dominican .

Country:Dominican

Model:NPC Dry Type Transformer x 6

"Stable, efficient, and built for long-term performance"

Technical Advantages

● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions

FAQ From Customers

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

Honesty, Integrity, Frugality, Activeness and Passion