Product OverviewSinopower Transformer oil-immersed power transformers are high-performance units engineered for new-energy and modern-grid applications. Featuring an all-copper, optimized construction, they offer low losses, low noise, superior heat dissipation, and zero-leakage reliability. Manufactured under strict processes and testing, they operate stably in wind farms, PV plants, industrial parks, and urban-grid expansions—meeting today’s demands for energy efficiency and reliable power supply.ApplicationsIdeal for wind power, solar PV, and other new-energy sectors—especially large-scale projects with challenging transport conditions. Also suitable for urban-grid upgrades, industrial parks, and remote-area power supply.Product DescriptionNew-energy readyWind power: Lightweight, high-reliability design withstands high loads and reduces maintenance in remote wind farms.Solar PV: Delivers excellent thermal stability and efficiency under wide temperature swings and intense sunlight, meeting large PV plant requirements.Oil-immersed cooling    High-performance insulating oil provides effective heat removal, controls winding temperature, and extends service life while increasing diTransformer strength to prevent Transformer al faults.Low losses & high efficiency    Advanced design optimizes core flux and winding current density to cut no-load and load losses, boosting overall efficiency and meeting stringent energy-saving standards.Key FeaturesExcellent thermal stability – High thermal conductivity improves heat dissipation, limits temperature rise, and ensures long-term stable operation under heavy loads.Low-noise operation – Optimized electromagnetic structure and noise-reduction techniques keep audible noise to a minimum, making the transformer suitable for noise-sensitive environments.Main SpecificationsRated capacity: 10 MVA – 63 MVAInsulation level: HV 35 kV / LV 0.4 kV, 6 kV, 10 kVCooling method: Oil-immersed self-cooled (ONAN) or forced oil-circulation air-cooled (OFAF)Partial discharge: ≤ 10 pCTemperature rise limits: Oil ≤ 60 K, windings ≤ 65 KNoise level: ≤ 65 dBApplicable standards:GB 1094.1-2013 Power transformers – Part 1: GeneralGB/T 15164-2022 Loading guide for oil-immersed power transformersDL/T 572-2010 Code of operation for power transformersIEC 60076 series International power-transformer standardsGB 2536-2011 Specification for transformer oil35kV 630-31500kVA 3-Phase Off-Circuit Tap-Changer Power Transformer