Принципиальная электрическая схема мостового крана

Scheme on electric motors with a phase rotor. Management of KT3005 and KT2005 controllers. Feature - auxiliary and main hoist drive. The scheme was transferred to the cdw format from the old drawing. Unfortunately, there is no explanation regarding the elements of the circuit. You need to think out or look for what is what.

Cdw format, compass version - 15.