Bidirectional PCS Test Report for Energy Storage System

This test report from Shenzhen Shenghong Electric Co., Ltd. covers 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 values for AC/DC overvoltage and undervoltage, overfrequency and underfrequency, and anti-islanding detection methods. It lists test equipment such as power meters, waveform converters, current sensors, and voltage sensors. The report details 39 test items, including structural tests, insulation resistance, power frequency withstand voltage, impact resistance, AC/DC overcurrent and overvoltage tests, frequency deviation tests, reverse power prevention, islanding detection, power restoration delay, voltage and frequency tracking, power factor, harmonics, leakage current, voltage rise suppression, temperature rise, soft start, load change, short circuit, FRT tests, conducted and radiated emissions, surge, electrostatic discharge, radiated RF immunity, fast transient burst, conducted RF immunity, power frequency magnetic field immunity, independent operation switching, self-sustaining switching, and off-grid blocking tests.