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SiC Power Conversion System for Battery Energy Storage
Sic PCS
Features
High-efficiency bidirectional AC/DC conversion (up to 99.1%) with full potting and strong reliability. 100% three-phase unbalanced load capability and excellent grid adaptability. Compact 3U design with low standby loss and easy installation. Supports AC parallel expansion, hot-swap maintenance, and 3P3W/3P4W operation. Wide voltage range compatible with 280Ah–300+Ah battery cells.
Product Introduction
The PCS energy storage converter is a bidirectional power module for AC-Dc power conversion that supportsboth gridconnected mode and off-grid mode. lt can control the battery charging and discharging according toEMS instructions, perform intelligent mode switching, and adapt to large capacity cells such as 280Ah, 314Ah.and 320Ah. PCS has the functions such as overvoltage protection, overcurrent protection, overload protection,short circuit protection, over temperature protection, high/low voltage crossing, and island protection. Whencombined with STS, it can achieve seamless switching between grid connection and off-grid, which is suitablefor peak shaving and valley filling in commercial and industrial parks, responding to demand, and buildingmicrogrids with wind and photovoltaic power generation equipment and diesel generators.
System Topology
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Frequently Asked Questions
It features a three‑phase four‑wire output (400 Vac) and can be used directly without an extra isolation transformer. This allows direct off‑grid operation for emergency backup, precise single‑phase power control to resolve commercial and industrial load imbalances, and compatibility with both single‑phase and three‑phase loads for greater versatility.
The 125kW PCS is ideally suited for commercial and industrial energy storage, small PV‑storage stations, community storage, and microgrids. It enables peak shaving to reduce electricity costs, demand management to lower transformer charges, emergency backup to replace diesel generators, three‑phase imbalance correction to improve power quality, and PV‑storage integration to maximise renewable energy usage.
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