AC Charging Pile Automatic Test System DT022,a dedicated test system specifically developed and designed for AC charging piles compliant with the new national standards. It features built-in test items aligned with the national standards for AC charging piles, including interoperability testing for EV conductive charging as per the new national standard GB/T 34657.1-2017 and factory testing as per NB/T 33008.2-2018. The system supports global standards, including Chinese, European, American, Japanese, and ChaoJi interface extensions.