Three-Phase Elevator Variable Frequency Drive (VFD), 7.5 kW

Drive protection against overcurrent Drive protection against external short circuit Motor overload detection capability and motor shutdown after the preset overload level and time Drive shutdown in case the DC voltage rises above or falls below the allowable limits Drive current limiting in case of excessive heatsink temperature rise Motor protection against excessive overspeed Disconnection of inverter outputs when the Base Block signal is interrupted Position control and DC current injection at the start and end of motion Separate adjustment of acceleration and deceleration ramps and S-curve profile Accurate estimation of motor slip in open-loop control mode and precise adjustment of output frequency and voltage Automatic calculation of motor parameters in static mode Two configurable digital outputs Selection of different parameter displays on the main screen of the elevator inverter Six programmable digital inputs