35kv transformer-XinYa China manufacturer
China 35kv transformer Supplier,Factory 27 years in GuangDong
By Xinya Power editorial team

Technical Overview of 35kV Transformers
A 35kV transformer serves as a critical interface in medium-voltage power distribution systems, primarily functioning to step down voltage from 35 kilovolts to lower utilization levels such as 10kV or 400V. These units are essential for industrial plants, mining operations, and renewable energy substations where efficient power transmission and safe local distribution are required.
From an engineering perspective, 35kV transformers are categorized by their cooling and insulation methods. Oil-immersed types utilize dielectric mineral oil for superior cooling and insulation, making them suitable for outdoor installations. Conversely, cast resin dry-type transformers are preferred for indoor environments due to their fire resistance and low maintenance requirements. Key technical specifications include high short-circuit impedance to limit fault currents and high efficiency ratings (often meeting Tier 2 standards) to minimize no-load and load losses.
When selecting a 35kV transformer, engineers must evaluate thermal classes (e.g., Class F or H insulation), vector groups (such as Dyn11), and environmental adaptability. Proper selection ensures grid stability, reduces operational expenditures through energy conservation, and guarantees long-term reliability in demanding electrical infrastructures.
China XINYA Power Cables Co., Ltd Email: [email protected] Email: [email protected] whatsapp: +86 15289885778 Website: https://www.supplytransformer.com





