Bidirectional PCS Test Report for Energy Storage System

This 73-page test report from Shenzhen Sinexcel Electric Co., Ltd. details the electrical performance testing of the PWS1-62.5k-TL bidirectional power conversion system (PCS) for energy storage applications. The document includes a test single line diagram, protection setting list (AC/DC overvoltage and undervoltage, frequency, anti-islanding, reconnection prevention), and test equipment list. It covers 32 tests including structural, insulation resistance, power frequency withstand voltage, impulse voltage, AC/DC overcurrent and voltage tests, anti-islanding detection, reconnection prevention, voltage and frequency tracking, power factor, harmonics, leakage current, voltage rise suppression, temperature rise, soft start, load step change, short circuit, fault ride-through (FRT), switching overvoltage, conducted and radiated emissions, surge immunity, and electrostatic discharge. The report was prepared by Zeng Jian, reviewed by Xu Chunyan, and dated December 13, 2021.