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

Drive (inverter) protection against overcurrent Drive (inverter) protection against external short circuit Motor overload detection capability and motor shutdown after the preset overload time and level Inverter (drive) shutdown when the DC bus voltage exceeds the allowable limit Inverter (drive) shutdown when the DC bus voltage drops below the allowable limit 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 Storage of total power-on time and the number of drive command operations 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 Modbus communication support