Canada’s energy landscape is undergoing a massive transformation, driven by the shift toward renewable energy integration and the modernization of aging urban grids. From the hydroelectric powerhouses of Quebec to the oil and gas fields of Alberta, the demand for robust, maintenance-free power distribution is at an all-time high. Hermetically sealed oil-immersed transformers represent the gold standard for these applications.
Unlike traditional conservator-style transformers, hermetically sealed units are completely isolated from the atmosphere. In Canada’s harsh environments—where temperatures can fluctuate from -40°C in winter to +35°C in summer—this isolation prevents moisture and oxygen from entering the tank. This eliminates oil oxidation and sludging, ensuring a service life that often exceeds 30 years without the need for periodic oil filtration or breather maintenance.
The tank is vacuum-sealed, utilizing corrugated fins or expansion radiators to accommodate oil expansion. This prevents dielectric strength degradation caused by humidity.
Our S13 and S20 series meet and exceed Canada's NRCan efficiency standards (CAN/CSA-C802), reducing operational costs for EPC contractors and utilities.
The absence of a conservator tank allows for a lower profile, making these units ideal for compact substations, underground vaults, and wind turbine nacelles.
Globally, the transformer market is pivoting toward "Green" and "Smart" solutions. In Canada, specifically, the Ontario Fair Hydro Plan and various British Columbia infrastructure projects are prioritizing high-efficiency units (Amorphous Metal or High-Grade Silicon Steel cores) to minimize Carbon footprint. Chinese manufacturing has stepped up to meet this need by providing high-precision fabrication that traditional Western plants struggle to match in terms of lead time and cost-efficiency.
As a leading global manufacturer, Henan Pirooz Power Co., Ltd. leverages the full-scale industrial ecosystem of China to deliver transformers that are not only high-performing but also competitively priced. Our efficiency is built on integrated supply chains, automated laser cutting, and robotic welding—processes that ensure consistent quality across every batch.
Precision Cutting
CNC Bending
Automated Coating
Expert Welding
Core Assembly
Final Integration
Strict QC Testing
Global Logistics
Henan Pirooz Power Co., Ltd. is a comprehensive electrical power equipment manufacturer integrating R&D, engineering design, production, and sales. We specialize in 10kV–35kV oil-immersed power transformers (S11, S13, S14, S20) and SCB series dry-type transformers, serving mining, petrochemicals, and renewable energy sectors worldwide.
Download Factory CatalogIn Northern Quebec or the Northwest Territories, maintenance crews are hours (or days) away. Our fully sealed units eliminate the need for regular desiccant replacement and oil testing, reducing "Total Cost of Ownership."
Canada’s wind and solar farms require transformers that can handle fluctuating loads. Our hermetically sealed units, equipped with high-purity insulating oil, offer excellent thermal stability for variable energy cycles.
With high-density living in Toronto and Vancouver, space is premium. These transformers are designed for European-style and American-style pad-mounted substations, providing silent and safe operation in public areas.
Procurement departments for global EPC firms (like those operating in Canada) are no longer just looking at the sticker price. They are evaluating Information Gain—detailed performance data, life-cycle analysis, and carbon footprint metrics. Key requirements include:
Yes. We use low-viscosity transformer oil specifically formulated for arctic conditions and high-grade gaskets that remain flexible at extreme temperatures. Our tanks are tested for pressure variations caused by thermal contraction.
Our manufacturing process follows IEC and IEEE standards, and we can customize production to meet specific CSA C2.1 or C88 requirements. We provide full type-test reports from independent laboratories.
Typically, production takes 4-6 weeks, and shipping to the East Coast takes approximately 5 weeks. Total lead time is significantly shorter than the current North American average.
We provide both. While copper is preferred in many Canadian industrial specs for its superior conductivity and compact size, we offer high-grade aluminum options for cost-sensitive distribution projects.
Pirooz Power
