Title: +038=621.001-NI001T_03-Next Stop Ecology.pdf
Automatic operation Our newly-developed, innovative escalator inverter enables a unique way of controlling the escalator speed in Automatic and Variable-Speed Operations.Milestones of Energy-saving Technologies1: Alternative current variable voltage *2: Variable voltage, variable frequency *3: These values are estimated based on the latest CO2 emissions.Years r o t a v e e d e e p s - w o LlDrive systemControl circuitTraction machineMachine roomPower consumption1960AC2 control Relay circuitMachine-room type³ CO2 Emissions 5,380 ( kg / year )1970ACVV*¹controlWorm-geared1980Microcomputer3,9801990 VVVF*²controlHelical-geared2000Variable traveling speed elevator systemPM gearlessMachine-room-less type20101,61070%100%93%74%37%32%30%Worm-geared DriveHelical-geared DriveVVVF controlPost-free automatic operation (VVVF)s r o t a a c s ElControl / Drive systemPower consumptionCO2 Emissions 9,250 ( kg / year )7,400