Automated ventilation system for electric motor

Abstract

Considered controlled ventilation system for electric motor. The analysis of the heat balance and obtain an expression that allows to take into account the humidity and ventilation rate. Compiled block diagrams of motor thermal model and the automated control system. The simulation charts and received transients for different modes of operation. The analysis and the dependence of the steady value of temperature rise of thermal power. The influence of the inertia of the electric fan on system performance. Described the use of the motor temperature feedback, that allows control of the electric fan drive functioning.