S20 Series 10kV-35kV Primary And Secondary Energy Efficiency Low Loss Non-excitation Voltage Regulating Transformer
S20 Series 10kV-35kV Primary And Secondary Energy Efficiency Low Loss Non-excitation Voltage Regulating Transformer
The S11 series 10kV-35kV non-excitation 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
Key Features:
- Fire-resistant design
- Low noise operation
- Compact size
Understanding the S20 Series Transformer
What is the S20 Series?
The S20 Series 10kV-35kV Non-excitation Voltage Regulating Transformer is a high-efficiency oil immersed transformer designed for medium-voltage power transmission and distribution. As a leader in energy-saving transformers, it integrates non-excitation voltage regulating technology to adjust voltage safely without interrupting power—making it a backbone of efficient urban and rural power grids. It prioritizes low loss, quiet operation, and long-term reliability, addressing the demand for sustainable infrastructure.
Significance of Non-excitation Voltage Regulation
Non-excitation voltage regulation allows voltage adjustments when the transformer is de-energized, ensuring precise control without compromising safety. For grids and industrial systems requiring stable voltage to protect sensitive equipment, this technology prevents fluctuations that could damage machinery or disrupt operations.
Characteristic Description
Ultra-Low Energy Loss
The S20 Series is engineered for exceptional efficiency, with loss levels far below industry benchmarks. Its ultra-low no-load and load losses deliver substantial energy savings, making it an eco-friendly choice for utilities and industrial users. This low loss transformer reduces operational costs and carbon emissions, aligning with global sustainability goals.
Quiet Operation
Noise pollution is minimized through a shock absorption structure and low-noise cooling system. Its quiet performance meets strict night noise standards, making it suitable for residential areas, hospitals, and office parks.
Maintenance-Free & Leak-Proof Design
A fully sealed oil tank and high-quality seals prevent leakage and moisture ingress, eliminating frequent maintenance. Seals match the transformer’s service life, reducing workload and avoiding oil spill hazards.
Robust Construction
Adopting high-permeability silicon steel sheets and a stepped core structure, the S20 series offers superior mechanical strength and short-circuit withstand capability. This robustness ensures durability under extreme temperatures and sudden load changes.
Technical Parameters
Electrical Core Specifications
Voltage Class: 10kV-35kV medium voltage, compatible with most power grids
Regulation Type: Non-excitation voltage regulation for safe adjustments
Core Material: High-permeability silicon steel sheets to reduce core losses
Insulation Medium: Premium transformer oil for superior insulation and cooling
Structural & Operational Parameters
Tank Design: Fully sealed structure to prevent leakage and moisture entry
Cooling System: Low-noise mechanism for quiet, efficient heat dissipation
Shock Absorption: Integrated components to minimize operational noise
Compliance: Meets national short-circuit withstand capability standards
Typical Uses
Urban & Rural Power Grid Renovation
The S20 series modernizes aging grid infrastructure, improving power quality and reducing waste in urban areas. In rural regions, its robust design and low loss performance support distributed power distribution for remote communities.
Industrial Parks & Commercial Complexes
Industrial parks use it to power manufacturing facilities and warehouses, while commercial complexes (malls, hotels) rely on its stable voltage to protect sensitive equipment and ensure uninterrupted service.
Public Infrastructure
Roads, bridges, and water treatment plants depend on its reliability for critical operations. Its durability and low maintenance make it ideal for long-term infrastructure investments.
High-permeability silicon steel, optimized windings, and low-loss components minimize wasted energy during conversion and distribution, leading to significant annual savings.
Yes. Its shock absorption and low-noise cooling system meet residential night noise standards, ensuring minimal disturbance.
It allows safe, precise voltage adjustments when de-energized, avoiding damage to the transformer or connected equipment. It’s simpler and more reliable for infrequent adjustments.
Seals have a service life equivalent to the transformer, eliminating the need for replacement and preventing leakage.
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