The SZ11 series 35kV on-load voltage regulating transformer offers a reliable and efficient solution for power distribution, featuring low losses, low noise, and high short-circuit resistance. It is designed for high performance in harsh environments and offers enhanced safety and versatility for a wide range of applications
The SZ11 series 35kV on-load voltage regulating transformer is designed for efficient and reliable power distribution in medium to high-voltage applications. It features advanced insulation materials and construction technology, ensuring low noise, low losses, and high short-circuit resistance.
Key Benefits
Zisheng are a professional 19+ years manufacturer in producing Oil-Immersed Transformers, Compact Substation, Pad Mounted Transformers, Pole Mounted Transformers and Dry Type Transformers. We own the certificates of ISO/CE/IEC 60076 and TUV Rheinland.
Transformers undergo rigorous FAT and type testing, support voltage/capacity customization. Welcome to consult for Catalog and Product. you can contact us at email [email protected].

Ideal for power distribution in urban power grids, industrial plants, commercial buildings, and public infrastructure projects.
Solutions
Seven procurement checks for electrolyser transformer specification in African projects: converter inputs, duty profiles, harmonic evidence, site interfaces and bid acceptance.
Technical Guidance
A practical review for African EPC teams: connect fault current and X/R data, CT core performance, secondary burden, relay application and commissioning...
Technical Guidance
A procurement workflow for reviewing transformer switching transients: confirm breaker and cable data, document study assumptions, specify mitigation and control factory-to-site release.