Explore our engineering portfolio featuring high-reliability oil-immersed, dry-type cast resin, and customized substation configurations.
In modern utility grids, step-up transformers serve as the foundational links that bridge low-voltage generation stations with long-distance high-voltage transmission networks. By elevating voltage levels, these critical assets significantly reduce line loss currents ($I^2R$). For instance, raising power generation output from typical alternator levels (ranging from 11kV to 25kV) up to transmission line ratings of 110kV to 750kV minimizes electrical losses over extensive geographic spans.
As a premier engineering leader, Henan Pirooz Power Co., Ltd. integrates advanced structural design, high-quality core configurations, and sophisticated thermal dissipation layouts to supply transformers that guarantee grid stability under extreme load fluctuations.
"Selecting the proper step-up transformer manufacturer is not merely an equipment acquisition decision; it is a long-term capital protection strategy. Low core loss, optimal impedance matching, and high short-circuit tolerance are essential metrics determining grid asset resilience."
The integration challenges of high-voltage step-up transformers depend heavily on local geography, climate profiles, and regional utility frameworks:
Choosing the correct design architecture requires a detailed comparison of mechanical, safety, and cooling characteristics. The table below outlines how our technical product line addresses diverse installation environments:
| Parameter | Cast Resin Dry-Type (e.g., SCB13/SCBH15) | Oil-Immersed (e.g., S20/S13) |
|---|---|---|
| Cooling System | AN/AF (Air Natural/Air Forced) | ONAN/ONAF (Oil Natural/Oil Forced) |
| Flame Retardancy | Self-extinguishing, Zero fire risk | Requires fire walls & catchment basins |
| Environmental Risk | None (ideal for indoor & water-sheds) | Potential oil leaks (repaired via seal integrity) |
| Thermal Endurance | Class F or H insulation | Class A insulation (liquid protected) |
| Maintenance Requirement | Minimal (cleaning dust accumulation) | Regular oil testing, gas analysis, and filtration |
Looking forward, transformer manufacturing is evolving toward higher efficiency and intelligent operations. The focus is on minimizing structural losses, utilizing sustainable insulating materials, and integrating real-time system diagnostics:
Replacing traditional silicon steel cores with amorphous alloys reduces no-load losses by up to 70%. SCBH series transformers provide significant energy-saving advantages for public utility systems and communication backup power installations.
Transitioning from mineral oils to synthetic or natural esters increases ignition points above 300°C while offering complete biodegradability, satisfying demanding environmental and municipal regulations.
Deploying optical fiber sensors within windings allows for precise hot-spot temperature tracking, online dissolved gas analysis (DGA), and predictive maintenance through cloud-connected SCADA platforms.
Our modern manufacturing facility utilizes automated machinery and strict quality control workflows to deliver durable, high-performance power equipment.
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.
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