High-Efficiency Transformers

S13/S11-M-RL Series Three Dimentional Oil Immersed Transformer

The S13‑M·RL and S11‑M·RL three‑dimensional wound‑core oil‑immersed transformers embody advanced engineering for high efficiency, reliability, and reduced operational losses. Their innovative triangular core configuration ensures uniform magnetic flux, minimal air gaps, and balanced three‑phase performance, resulting in lower no‑load losses, reduced noise, and superior short‑circuit strength. Compared with conventional models, these transformers achieve up to 55% lower no‑load loss and 85% lower no‑load current while maintaining compact dimensions and robust mechanical integrity. The sealed oil tank design prevents oxidation and prolongs service life, while the integrated structure enhances anti‑theft protection and simplifies installation. Combining technical precision with economic value, the S13‑M·RL and S11‑M·RL series deliver exceptional energy efficiency and long‑term stability for modern power distribution networks.

S(B)H15 Series Amorphous Alloy Oil-Immersed Transformer

S(B)H15 Series Amorphous Alloy Oil Immersed Transformer is a high‑efficiency, environmentally friendly power transformer designed to minimize energy loss and enhance grid reliability. Using amorphous alloy as the magnetic core material, it offers superior magnetic permeability, high resistivity, and extremely low coercivity—resulting in up to 70% lower no‑load loss and 15% lower load loss compared with conventional silicon‑steel transformers. The sealed structure ensures long service life, stable performance, and strong short‑circuit resistance. Compact in size and precision‑engineered, the S(B)H15 series combines advanced materials with refined manufacturing techniques to deliver exceptional energy savings, reduced noise, and sustainable operation for modern power distribution networks.

S(B)H21 Series Three-Dimensional Amorphous Alloy Oil-Immersed Transformer

S(B)H21 Series Amorphous Alloy Oil‑Immersed Transformer is a high‑efficiency, environmentally friendly power transformer designed for modern distribution networks. Using amorphous alloy as the magnetic core material instead of conventional silicon steel, it offers superior magnetic permeability, high resistivity, and extremely low coercivity—resulting in significantly reduced no‑load and load losses. The amorphous alloy core, produced through rapid solidification technology, features a thin ribbon structure (only 0.027 mm thick) that minimizes eddy current and hysteresis losses while eliminating magnetostriction noise. Compared with the S(B)H15 series, the S(B)H21 transformer achieves 14.5%–23% lower load loss. Compact, durable, and precision‑engineered, it provides strong short‑circuit resistance, long service life, and stable performance—making it an ideal solution for sustainable, energy‑saving power distribution applications.

S(B)H25 Series Amorphous Alloy Oil-Immersed Transformer

S(B)H25 Series Amorphous Alloy Oil‑Immersed Transformer is a high‑efficiency, environmentally friendly power transformer designed for modern grid applications. It uses amorphous alloy as the magnetic core material instead of conventional silicon steel, offering superior magnetic permeability, high resistivity, and extremely low coercivity. This advanced material, produced through rapid solidification technology, forms a thin ribbon structure only 0.027 mm thick, which minimizes eddy‑current and hysteresis losses while eliminating magnetostriction noise. Compared with the S(B)H21 series, the S(B)H25 model achieves 22%–24% lower no‑load loss and approximately 5% lower load loss. Compact and durable, it features strong short‑circuit resistance, long service life, and stable performance. With its low loss, reduced noise, and sustainable design, the S(B)H25 series represents a new generation of green, energy‑saving transformers for reliable power distribution.

S13-M/S20-M/S22-M Series Oil‑Immersed Transformer

S13‑M/S20-M/S22-M Series Oil‑Immersed Transformer is a new generation of energy‑efficient distribution transformer designed for reliable power distribution in urban, industrial, and utility networks. Built with high‑magnetic‑permeability silicon steel sheets and a 45° fully inclined or wound‑core structure, it offers excellent magnetic performance and high electrical strength. The sealed corrugated oil tank ensures effective heat dissipation, superior insulation, and long‑term operational stability. Compared with the S9 series, the S13‑M transformer achieves an average 30% reduction in no‑load loss and lower no‑load current, providing significant energy savings. Its advanced insulation system uses oxygen‑free copper windings and reinforced varnish curing for enhanced short‑circuit resistance. The fully sealed design prevents oil oxidation, extending service life and reducing maintenance needs. With compact dimensions, attractive appearance, and robust performance, the S13‑M/S20-M/S22-M series delivers efficient, durable, and maintenance‑free operation for modern power distribution applications.

35kV Oil-Immersed Transformer

The 35 kV oil‑immersed transformer from VaxonPower is a high‑efficiency, low‑noise power transformer designed for reliable operation and long service life. Built with a reinforced laminated‑core structure and precision clamping system, it offers excellent mechanical strength and short‑circuit resistance. Its fully sealed tank design optimizes oil circulation, minimizes magnetic flux leakage, and reduces no‑load losses and noise. It supports both off‑circuit and on‑load tap‑changing, with voltage classes up to 35 kV and capacities from 50 kVA to 31,500 kVA—making it ideal for medium‑voltage power distribution networks.

110kV Oil‑Immersed Transformer

The 110 kV oil‑immersed power transformer from VaxonPower is a high‑quality, low‑loss, and low‑noise unit designed for power generation and transmission applications. Its core uses premium cold‑rolled grain‑oriented silicon steel sheets with a reinforced laminated structure, while the coils feature high‑strength paper‑tube bracing to withstand short‑circuit forces. The corrugated welded tank provides excellent mechanical strength and aesthetic appearance, ensuring stability during transport and operation. The transformer offers rated capacities up to 180 MVA, efficient performance, and reliable operation for substations and industrial power systems.

10kV On‑Load Tap‑Changing Transformer

The 10 kV On‑Load Tap‑Changing Transformer with Reactive Power and Voltage Regulation is engineered for intelligent power‑grid applications. It combines automatic capacity adjustment, precise voltage control, and wireless remote monitoring to enhance operational efficiency. By dynamically switching between high‑ and low‑capacity modes based on real‑time load conditions, it minimizes both no‑load and load losses, improving overall energy performance. Its star‑delta winding configuration and automated control system ensure voltage stability and reduced magnetic flux density, delivering superior power‑saving results. Rated from 100 kVA to 630 kVA, with Dyn11 connection, ±5 % tap range, and low impedance and loss characteristics, the transformer offers exceptional reliability and efficiency for modern distribution networks.

S11 Off‑Circuit Tap‑Changing Distribution Transformer

The S11 10 kV Off‑Circuit Tap‑Changing Distribution Transformer is a high‑efficiency, low‑loss unit engineered with premium materials, optimized winding and insulation design, and advanced production techniques. It delivers extended service life, superior reliability, and a compact structure. With rated capacities ranging from 30 kVA to 2500 kVA, the transformer features a 6 kV/0.4 kV voltage combination, Yyn0 connection, ±5 % tap range, and exceptionally low no‑load and load losses—ensuring stable, efficient performance for modern power distribution systems.

SFZ10 35kV On‑Load Voltage-Regulating Transformer

The SFZ10 35 kV On‑Load Voltage‑Regulating Power Transformer is a high‑efficiency product designed for reliable power transmission and distribution. It offers low loss, minimal noise, low partial discharge, and strong short‑circuit resistance, ensuring stable and efficient operation. The transformer incorporates an optimized magnetic circuit, precision windings, and high‑grade silicon‑steel laminations to reduce heat generation and enhance durability. It supports STEP voltage regulation, wireless remote control, and versatile indoor or outdoor installation. With rated capacities ranging from 2000 kVA to 31500 kVA, the SFZ10 series provides consistent voltage performance, robust mechanical strength, and excellent adaptability for both rural and urban power‑grid systems.

SF10 Off‑Circuit Voltage-Regulating Transformer

The SF10 35 kV Off‑Circuit Voltage‑Regulating Power Transformer is a high‑efficiency, low‑loss product designed with advanced magnetic and structural optimization. It uses premium cold‑rolled silicon steel sheets with a 45‑degree step‑lap joint structure to improve magnetic flux distribution. Enhanced insulation and sealing techniques minimize no‑load loss, noise, and oil leakage while ensuring reliable operation and long service life. The transformer features compact construction, strong mechanical strength, excellent heat dissipation, and high short‑circuit resistance. With rated capacities from 10,000 kVA to 40,000 kVA, it provides stable voltage performance and robust adaptability for modern power‑grid applications in both urban and rural environments.

Cast-Resin Dry-Type Transformer

The cast-resin dry-type transformer from VaxonPower is a high‑reliability, flame‑retardant, and environmentally friendly power transformer designed for safe indoor operation. Manufactured using Swiss Ciba epoxy resin and German Hedrich vacuum casting technology, it features a compact, high‑strength structure with excellent short‑circuit and impulse resistance. The vacuum‑cast windings ensure low partial discharge, uniform temperature distribution, and efficient heat dissipation. It offers rated voltages up to 36 kV and capacities up to 20 MVA, with optional temperature monitoring and control systems for enhanced operational safety and longevity.

SCB10 10kV Cast-Resin Off-Circuit Tap-Changing Transformer

The SCB10  10 kV 400–2500 kVA Cast‑Resin Dry‑Type Off-Circuit Tap-Changing Distribution Transformer is a fully air‑cooled, non‑excitation voltage‑regulating unit designed for safe, efficient, and low‑maintenance operation. Its windings are encapsulated in epoxy resin for superior insulation and mechanical strength, while the core uses high‑grade cold‑rolled silicon steel with a full‑oblique joint structure to minimize loss and noise. The transformer’s compact, lightweight design allows installation close to load centers, making it ideal for high‑rise buildings, airports, train stations, industrial facilities, and tunnels. It offers fire safety, pollution‑free performance, high short‑circuit strength, low noise, and excellent heat dissipation, ensuring reliable service even under high humidity or harsh environmental conditions.

SCB14 10kV Cast-Resin Off-Circuit Tap-Changing Transformer

The SCB14  Series  10 kV  400–2500 kVA Cast‑Resin Dry‑Type Distribution Transformer is a high‑efficiency, air‑cooled unit designed for safe, reliable, and low‑maintenance operation. Its windings are encapsulated in epoxy resin for superior insulation and mechanical strength, while the core uses high‑grade cold‑rolled silicon steel with a full‑oblique joint structure to minimize vibration, noise, and energy loss. The transformer offers excellent fire resistance, compact size, and easy installation. Compared with the SCB10 model, it achieves 32 % lower no‑load loss and 10 % lower load loss, delivering outstanding energy savings. Ideal for high‑rise buildings, airports, train stations, industrial facilities, and tunnels, the SCB14 series ensures dependable performance even under high humidity, altitude, or harsh environmental conditions.

SCB18 10kV Cast-Resin Off-Circuit Tap-Changing Transformer

The SCB18  10 kV 400–2500 kVA Cast‑Resin Dry‑Type Off-Circuit Tap-Changing Distribution Transformer is a high‑efficiency, air‑cooled unit designed for safe, reliable, and low‑maintenance operation. Its windings are encapsulated in epoxy resin for superior insulation and mechanical strength, while the core uses high‑grade cold‑rolled silicon steel with a full‑oblique joint structure to minimize vibration, noise, and energy loss. The SCB18 series offers enhanced performance with 15–20 % lower no‑load loss compared to the SCB14 model. Compact, lightweight, and easy to install, it provides excellent fire resistance, moisture protection, and heat dissipation, ensuring dependable operation even under high altitude, humidity, or harsh environmental conditions—ideal for high‑rise buildings, airports, train stations, industrial facilities, and tunnels.

SC(B)H15 Amorphous Alloy Dry-Type Transformer

The SC(B)H15 amorphous alloy dry‑type transformer is a new generation of energy‑efficient distribution transformer that combines the low‑loss characteristics of amorphous alloy materials with the high insulation and mechanical strength of traditional epoxy‑cast designs. It offers exceptionally low no‑load loss, noise, and temperature rise, along with strong short‑circuit and overload performance. The core uses soft magnetic amorphous alloy with minimal magnetization power and high resistivity, fully sealed with moisture‑ and heat‑resistant silicone to prevent corrosion and particle shedding. Compact and durable, it is ideal for power supply in high‑rise buildings, commercial centers, airports, stations, ports, factories, and underground substations.

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