The HD2000 series water-cooled multi-transmission frequency converter independently developed by COENG Electric is the first to be applied to the electric control drive system of the 7000-meter drill rig of Helheis. The HD2000 series water-cooled multi-transmission frequency converter has a higher power density than the air-cooled frequency converter, and the structural size is greatly reduced, which greatly reduces the transportation cost of the rig's electronic drive system when it is used off-site. In addition, the inverter adopts the design scheme of external heat exchange fan (placed outside the container), which reduces the refrigeration demand in the container and reduces the design cost of the container house. At the same time, the noise inside the container house is greatly reduced, and the working environment of the site is improved. The HD2000 series water-cooled multi-transmission frequency converter has passed once in the combined adjustment and performance test of the whole machine reassembled by Lanshi. The speed control performance, overload capacity and hover function are all up to standard, meeting the requirements of the control and drive performance of the rig.
