A novel rapid approach for elevator equilibrium coefficient inspection based on no-load technology

Based on the energy conservation related to elevator´s load, motor power, elevator´s velocity and machinery efficiency, a mathematical model for solving the elevator equilibrium coefficient was proposed in detail. In order to realize the proposed method, through real-time sampled data including the operating power in no-load mode and speed of the elevator, test results of the equilibrium coefficient were collected and calculated automatically by central processing device to avoid being complex loaded operation. Besides, it would take just ten minutes or less to complete the whole operation due to convenient installation.