electric motor

Steering systems with an electromechanical amplifier (EMA) are a modern design solution compared to hydraulic and electro-hydraulic steering systems. Hydraulic steering amplifiers are used in the steering drives of modern trolleybuses and electric buses. If an electric motor powered from the power grid is used to drive the hydraulic pump in trolleybuses, then in electric buses, the source of electrical power is rechargeable batteries. Energy consumption to ensure the operation of the hydraulic power steering reduces the mileage of the electric bus between charging the batteries.

The run-up of a vibratory machine with an debalanced drive is examined. The influence of stiff coupling installed between an electric motor and a vibration exciter is taken into consideration. Practical recommendations to limit the starting deformations and coupling oscillations are shown.