上海科梁能源科技有限公司 - Shanghai Keliang Energy Technology Co., Ltd.
IBR-dominated Power System IBR-dominated Power System
IBR-dominated Power System
High-Voltage Cascaded Storage Testing System
Overview
Keliang Energy’s High-Voltage Cascaded Storage Testing System enables comprehensive validation of controller functionalities and protection strategies for high-voltage cascaded energy storage controllers, supporting closed-loop performance verification of energy storage systems under various operating conditions.
Applications

Supports closed-loop performance verification of High-Voltage cascaded energy storage systems under various operating conditions.

Features
01
lCPU+FPGA Co-Simulation
Provides FPGA-based high-fidelity sub-millisecond models for cascaded energy storage power cells and batteries, and delivers CPU-simulated grid models for system-level interaction.
02
Flexible Controller Integration
Supports HIL closed-loop testing via I/O interfaces or high/low-speed fiber-optic connections to real vendor controllers.
03
Multi-Scenario Validation
Validates critical scenarios including battery SOC balancing, fault ride-through (FRT), and power ramp transients.
System Architecture
User Cases
Cascaded Storage Controller HIL Testing System
To address Hardware-in-the-Loop (HIL) testing requirements for cascaded multilevel energy storage controllers, Keliang Energy has developed a high-precision FPGA-based model for cascaded energy storage valve units. This model supports independent configuration of initial battery parameters for each H-bridge unit, enabling precise simulation of cell-to-cell variation characteristics within battery packs.
The system facilitates real-time interaction with the controller via high-speed optical fiber communication, enabling comprehensive validation of critical controller functions including:
Battery cell balancing
Circulation current suppression
Fault protection
This solution provides a robust testing platform that significantly accelerates R&D and engineering deployment of energy storage systems.
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