Product OverviewSinopower Transformer ’s rectifier transformer is engineered for high efficiency and reliable operation.    Optimized design and advanced technology boost water-electrolysis efficiency while cutting overall power consumption.    All performance indicators meet or exceed the latest national standards, positioning the product at the leading edge of the industry and providing a solid, efficient power source for hydrogen production.ApplicationsTailored for the hydrogen-energy chain—water-electrolysis hydrogen generators, steel plants, centralized or distributed green-hydrogen bases, industrial park hydrogen supply, transport-energy hubs, and energy-storage facilities.    Its high efficiency and high-load capability adapt to complex hydrogen-production duty cycles.Product DescriptionHigh-temperature insulation system: Hybrid Class C, B, and A insulation guarantees diTransformer integrity under elevated operating temperatures.State-Grid-approved materials: Industry-recognized, high-grade insulation rated up to 750 °C, non-flammable, environmentally safe, and dimensionally stable.7-level thermal control: Monitors insulation, liquid flow, overload, core, sealing, components, and short-circuit temperatures for all-round stability.High-temperature, high-load capability: Optimized for the severe service conditions of water-electrolysis plants.Eco-safe: Non-toxic materials produce minimal smoke when burned, protecting personnel, animals, and the environment.Key Features20 % higher overload capacity: 20 % more load capability than conventional units, delivering superior performance.Zero-leak guarantee: Premium acrylic seals, fluorescent inspection, and positive/negative pressure leak tests ensure absolute leak-free operation.Ultra-low noise: 3–10 dB lower than national limits—ideal for noise-sensitive locations.Comprehensive range: Covers every rectifier-transformer type required in hydrogen production.Main SpecificationsRated capacity: 500 kVA – 10 000 kVAPrimary voltage: 35 kV / 10 kVInsulation class: Class C / B / ATemperature rise limits: Oil ≤ 60 K, windings ≤ 65 KCooling: OFAF (forced-oil, forced-air) or ONAN (natural oil circulation, natural air)Applicable StandardsGB/T 1094.1-2013 Power transformers – Part 1: GeneralGB/T 6451-2015 Three-phase oil-immersed power transformers – Technical parameters & requirementsIEC 60076 series Power transformers – International standardsGB 2536-2011 Transformer oilGB/T 15164-2022 Loading guide for oil-immersed power transformers