Explore our premium grade power, isolation, and distribution solutions engineered for utility and industrial deployment.
A trusted name in comprehensive transmission, distribution, and smart data analytics engineering.
Henan Pirooz Power Co., Ltd. is a comprehensive electrical power equipment manufacturer integrating research and development, engineering design, production, sales, and after-sales service. The company specializes in customized solutions for power transformers and complete sets of transmission and distribution equipment, providing reliable and efficient electrical products for global energy infrastructure projects.
The company operates a modern manufacturing facility with a complete production system covering product design, precision machining, assembly, and full electrical testing. Equipped with advanced production lines and strict quality control procedures, Henan Pirooz Power Co., Ltd. ensures that all products meet international standards and customer-specific technical requirements, maintaining high performance, safety, and durability.
Its core product range includes 10kV–35kV oil-immersed power transformers (such as S11, S13, S14, and S20 series), dry-type transformers (including SCB10, SCB11, SCB13, and SCBH15 series), as well as on-load tap-changing transformers, rectifier transformers, and furnace transformers designed for specialized industrial applications. These products are widely used in power utilities and heavy industries requiring stable and efficient energy distribution.
In addition to transformers, the company also provides complete electrical system solutions, including high and low voltage switchgear, European-style compact substations, American-style pad-mounted substations, and underground distribution substations. These integrated solutions are widely applied in power grid construction, industrial manufacturing, mining, metallurgy, petrochemicals, transportation systems, and renewable energy projects.
With a growing international footprint, Henan Pirooz Power Co., Ltd. has exported its products to multiple countries and regions worldwide, building long-term partnerships across global energy markets. The company continues to expand its production capacity and technological capabilities to meet increasing international demand.
Looking ahead, the company is committed to innovation, energy efficiency, and smart manufacturing development. By continuously improving product performance and system integration capabilities, Henan Pirooz Power Co., Ltd. aims to become a globally recognized provider of advanced power equipment solutions, supporting the development of modern and sustainable energy infrastructure.
How the convergence of IoT telemetry, AI diagnostics, and robust transformer engineering is revolutionizing grid assets.
Traditionally, distribution and power transformers have operated as isolated, passive assets. If a winding overheated or gas accumulated due to partial discharge, operators only discovered the failure post-incident. By integrating real-time data analytics, we convert the physical realities of voltage, load, and ambient temperature into valuable predictive insights. This transformation relies on a multi-layer framework designed to detect irregularities before catastrophic events occur.
Deploying fiber-optic temperature sensors directly into the hot-spots of copper windings, combined with continuous dissolved gas analysis (DGA) monitoring hydrogen, moisture, and carbon oxides in oil-immersed systems.
Utilizing local RTUs and RS485/Modbus/IEC 61850 protocol converters. Raw data points such as winding temperatures, vibration signatures, and load percentages are structured and pre-processed at the site level.
By comparing historical indicators with current operating trends, cloud platforms calculate thermal wear models and predict the remaining useful life (RUL) of transformer paper insulation and oil aging curves.
The future of transformer design integrates digital models directly with physical components. A Digital Twin represents a real-time virtual counterpart of an in-service transformer. By combining real-time environmental data with finite element analysis, our analytics engine simulates core loss variations, localized hot-spots, and dielectric stresses. This enables utilities to dynamically adjust load configurations and implement predictive cooling controls, extending equipment lifespans by up to 15%.
Tailored electrical and telemetry configurations optimized for critical industrial settings.
Solar and wind farms face significant challenges from harmonic distortions and voltage fluctuations. Our Outdoor Three-Phase Photovoltaic Box Type Transformers are designed to isolate grids from transient surges while providing continuous real-time power quality monitoring.
Modern urban networks require substations with compact footprints and low environmental impact. Our dry-type amorphous alloy transformers (SCBH15/19) reduce no-load core losses by up to 70% compared to traditional silicon steel models. This provides a highly efficient solution for green buildings and metropolitan areas.
Arc furnaces and electrochemical processing require highly stable currents. Our customized rectifier and furnace transformers are built with heavy-duty mechanical bracing and high-grade copper windings. These units withstand continuous thermal cycling while maintaining reliable operational performance.
A tour of our modern manufacturing facility, showing the advanced equipment and processes that ensure high quality and efficient production.
At Henan Pirooz Power Co., Ltd., we combine robotic automation with skilled manufacturing technicians. Our production lines feature CNC laser cutters, high-precision bending machines, and automated foil winders to ensure consistent quality. Every manufacturing stage—from initial sheet metal processing to coil winding, oil filling, and final enclosure coating—is tracked within our manufacturing execution system (MES).
Before shipment, each unit undergoes strict testing in our high-voltage laboratories. This includes dielectric tests, zero-sequence impedance measurements, lightning impulse tests, and partial discharge diagnostics. This verification process ensures that our equipment complies with IEEE, IEC, and other international utility standards.
Essential technical and quality factors that international procurement managers evaluate during the supplier vetting process.
Global EPC contractors and electrical utility buyers look for more than just competitive pricing. When selecting transformer suppliers, engineers evaluate technical performance, manufacturing capability, and compliance with grid-specific standards:
Providing global design compliance, grid synchronization assistance, and reliable engineering support.
Deploying electrical infrastructure globally requires strict compliance with regional grid codes. Our engineering team designs and manufactures equipment to meet international standards, including IEC (for Europe, Asia, and Africa), IEEE/ANSI (for the Americas), and GB standards.
We provide detailed engineering documentation for all projects, including CAD dimensional drawings, schematic wiring diagrams, transformer type-test reports, and parameter sheets. Our field engineering partners and remote telemetry experts also offer support during system installation, commissioning, and SCADA integration, helping to ensure smooth grid connection and reliable operation.
Expert answers to common engineering, procurement, and data telemetry questions.
In oil-immersed transformers, telemetry monitoring focuses on Dissolved Gas Analysis (DGA), moisture levels, oil temperature, and pressure tracking. Sensors are installed directly in the oil tank and connected to an edge gateway. For dry-type transformers, monitoring focuses on temperature sensors (such as Pt100 RTDs) placed within the cast-resin windings. These sensors help track winding temperatures and feed data to dynamic ventilation controllers. Both configurations use RS485 Modbus or IEC 61850 connections to transmit data to utility SCADA systems.
The SCB11 and SCB13 series are cast resin dry-type transformers designed to minimize winding resistance and thermal losses. When built with an amorphous alloy core (such as the SCBH series), the core structure reduces no-load magnetic hysteresis and eddy-current losses. This design lowers energy consumption by up to 70% to 80% compared to traditional silicon steel transformers, helping utilities improve grid efficiency and reduce operating costs.
We design and manufacture custom transformers with primary and secondary ratings up to 35kV. Common configurations include three-phase isolation transformers stepping 220V to 380V, industrial power units converting 11kV down to 400V/415V, and renewable energy step-up transformers designed to connect wind or solar installations directly to 10kV–35kV grids.
High-purity, oxygen-free copper windings offer lower electrical resistance and higher thermal stability, helping to extend transformer operating life. Vacuum Pressure Impregnation (VPI) and epoxy cast resin casting protect components against moisture, dust, and corrosive environments. Combined with real-time temperature and load telemetry, these designs help prevent insulation degradation and sustain service lifespans of over 30 years.
Explore our additional range of specialized distribution, high-voltage, and amorphous alloy systems.
Pirooz Power
