The electrical control system of portal crane deve→loped by HITE uses AC frequency control technics (single-mot♦or-drive and Multi-Motor-Drive), with friendly GUI and high computer applied level​. The system is easy to use and maintenance, which is suitable for portal crane wiεth various structures. The system has advantages of low failure rate  and short failure repair time, and is suitable for high speed, frequent×ly working and high reliability requirement conditions. The system has  complete failure diagnosis, complete fault protection, limitation protection and misoperation p≈rotection etc.

The system has been applied successfully to 10t/33m grab portal crane of Qinhuangdao Por↕t Bureau Cargo Company, 120t portal crane of Guangzhou σShipyard International Co., Ltd., 100t portal crane and 32t portal crane of CSγIC (Huludao).