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General second-level efficiency transformers only meet basic national efficiency standards, without targeted optimization for EV charging scenarios. When applied to charging stations, they often suffer from insufficient harmonic resistance, limited overload margin and poor scenario adaptability, affecting long-term operational stability.
As a professional manufacturer of new energy power distribution equipment, China Unita Electric develops dedicated second-level efficiency transformers optimized for EV charging characteristics, including fluctuating loads, high harmonics and frequent current surges. Our products fully adapt to passenger car charging stations, heavy-duty truck charging stations, highway fast-charging stations, community charging stations and battery swap stations.
1. Full National Standard Compliance for Smooth Acceptance
All Unita EV-charging dedicated transformers strictly comply with GB 20052-2024 and steadily reach second-level energy efficiency. Core loss indicators exceed national standard limits. Complete certificates and test reports ensure smooth grid acceptance, project filing and energy-saving audits, avoiding compliance risks and project rework.
2. Scenario-oriented Customization for EV Charging Working Conditions
We provide one-on-one customized solutions according to actual project conditions, including charger quantity, single-unit power, peak load, startup frequency and installation environment. We optimize transformer capacity, electromagnetic parameters, core structure and winding configuration to enhance harmonic resistance, surge resistance and overload capacity, solving common on-site problems such as insufficient capacity matching, energy waste and frequent tripping.
3. Optimized Energy-saving Performance for Fluctuating Loads
Adopting high-permeability silicon steel sheets and pure copper windings with simulated electromagnetic optimization, our transformers achieve further reduced comprehensive losses under intermittent and fluctuating charging loads compared with ordinary second-level efficiency products. The optimized design lowers daily power consumption, slows down thermal aging, extends service life and reduces maintenance costs, improving long-term project ROI.
4. Enhanced Outdoor Adaptability for Unattended Operation
With upgraded insulation and sealing structure, our transformers adapt to high-temperature, humid, dusty and large-temperature-difference outdoor environments. Featuring low noise, high temperature resistance, corrosion resistance and strong short-circuit tolerance, the equipment greatly reduces potential failure risks and suits long-term unattended operation of outdoor charging stations.
5. Factory Direct Supply with Reliable Delivery & After-sales Service
China Unita Electric owns complete production lines and strict quality control systems, providing cost-effective products without middlemen. We support customized parameter adjustment and expedited production to match project schedules. Our professional technical team provides drawing confirmation, installation guidance, operation consultation and rapid after-sales response, ensuring long-term safe and stable operation of charging station power distribution systems.
For EV and battery swap projects, merely reaching second-level efficiency is not enough. Scenario-optimized anti-harmonic, anti-surge and low-loss design is essential for stable and profitable operation. Unita Electric custom second-level efficiency transformers deliver reliable compliance, scenario adaptation and long-term energy-saving value for global new energy charging projects.
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