S Series 10kV Power Transformer
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Product Overview
The S Series 10 kV power transformer is engineered for high efficiency, quiet operation, and exceptional reliability. Designed for urban and rural grids, industrial parks, and other demanding applications, this series employs advanced processes and premium materials to deliver outstanding Transformer al performance while meeting modern requirements for energy conservation and environmental protection.

Applications
Ideal for urban and rural distribution systems, industrial and mining enterprises, rail transit, power plants, and any location with stringent demands for energy savings and environmental performance. Its stable operation and high reliability make it the perfect choice for power-system optimization and upgrades.
Product Description
Strong environmental adaptability: Maintains long-term stable operation in high-temperature, high-humidity, and high-load-rate environments, satisfying peak-load requirements.
Exquisite design & elegant appearance: Precision design and polishing ensure a lasting bright finish and superior corrosion resistance, even under harsh conditions.
Superior sealing: Fully sealed construction with high-performance acrylic sealing materials. Every unit undergoes multiple positive- and negative-pressure leak tests before shipment for maximum reliability.
Safe & eco-friendly: Manufactured with non-toxic, environmentally friendly materials. Low-smoke, non-corrosive emissions during combustion safeguard both equipment and the environment.
Key Features
Low losses & high efficiency: New-type core and optimized windings reduce no-load losses by over 20 % and load losses by more than 10 %, greatly improving efficiency.
Ultra-quiet design: Premium silicon-steel sheets and optimized magnetic circuits significantly cut noise, making the transformer suitable for urban areas and residential zones.
High reliability: Optimized structure with enhanced short-circuit withstand capability, high-grade insulation materials, and specialized oil ensure safe and stable operation.
Green & maintenance-free: Environmentally friendly materials and non-toxic insulating oil, excellent sealing to prevent leaks, minimal maintenance, and fully recyclable components.
Main Specifications
Voltage rating: HV 10 kV / LV 0.4 kV
Power range: 30 kVA – 4 000 kVA
Cooling method: Oil-immersed self-cooled (ONAN)
Vector group: Dyn11 or Yyn0
Applicable standards:
Power transformers: GB 1094.1–2-2013
General technical requirements & test methods: GB/T 6451-2015
Technical parameters & requirements for oil-immersed power transformers: JB/T 10088-2004
Technical specifications for three-phase oil-immersed transformers
Table of S13 series oil-immersed power transformer parameters

Table of S20 series oil-immersed power transformer parameters

Table of S22 series oil-immersed power transformer parameters

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Corporate Purpose Advanced management, first-class technology, reliable quality, and comprehensive service -
quality culture Safe and stable, medium range manufacturing -
values Integrity, responsibility, innovation, and dedication -
Vision Become the most respected transformer enterprise