Normally for jaw crushers in mining industry earlier star delta starters and soft starters were
implemented for primary crusher [jaw type]
the load characteristics in the case of jaw crusher is continuously varying since the rock sizes coming in to the feed of various sizes.
offer the motor goes to overload peaks and comes down.
when parametrization the drive in v/f mode often the drive goes to fault mode, mainly due to overload. How about implementing Vector control mode with dynamic torque control?