Auxiliary controller and DC-DC Power developed by Semipower NewEnergy R&D Team are used in Harbin Autonomous-rail Rapid Transit. Aftermore than one month of low-temperature performance tests and field runs, the HarbinAutonomous-rail Rapid Transit conducted a trial run in thesongbei new area of Harbin on February 22, 2019. On February 22 and 23, emptycar trials were conducted, and the trial run with passengers started on Feb. 24and lasted until the beginning of March.

Autonomous-railRapid Transit is a new type of rail Transit products, which are consisted of intelligenttrolley, platform, power supply system, subsystem on the ground, such as signalsystem. The intelligent trolley has strong transport capacity, low carbon andenvironmental protection, and is fast and flexible. It has passed 13 tests involvinglow-temperature environment and icy pavement, and the test results show thatthe intelligent trolley has the ability to operate in extreme climate in thecold region of north China.