ABB ACS800 multidrive 培训讲义（下）.pptVIP

ACS800 multidriveintroduction Parallel connection of modules DSU-Diode supply unit DSU 6 / 12 pulse TSU- construction TSU 6-pulse [ B4 / B5 ] TSU 12-pulse [ B4 / B5 ] ISU-Block diagram ISU- Cabinet construction Electrical construction ISU 1 x R8i ISU n x R8i List of options for Supply units Cabinet protection classes IP21 / IP22 / IP42 / IP54 Different options for cable markings Top cable connection Incoming line fuses for DSU (ACB also available) Voltage and current meter display on the door Earth fault supervision for IT or TN net Incoming cooling air true door or true the bottom plate Emergency stop circuits (Category 0 or 1) Control Panel CDP 312 / LED-Status display for ISU Drive Window-Network for ISU I/O‘s selection Field bus connection alternatives for TSU and ISU ISU-Voltage distortion UTHD Drive control DBU-Dynamic Braking unit Multidrive and AC800M ABB Drives Direct Torque Control Fast Torque Step Rise Time Open loop PM DTC 1..2 msec(or closed loop DTC) Open loop DTC 5 msec Open loop flux vector 100 msec Closed loop flux vector 10 to 20 msec Power Loss Ride Through No unnecessary process interruptions Minimized downtime during short power downs Flying motor restart Fast Torque Step Rise Time Improved Process Control Higher end-product quality Direct Torque Control High Dynamic Speed Accuracy Open loop PM DTC 0,1..0,2 %sec(or closed loop DTC) Open loop DTC 0,1..0,4 %sec Open loop flux vector 4 %sec Closed loop flux vector 0,4 %sec Excellent synchronous (PM DTC) performance Excellent static and dynamic accuracy No encoder required for accurate process control Improved Process Control Technical specification Technical specification New multidrive references ? Copyright year ABB - * - ? Copyright year ABB. All rights reserved. - * - * Insert image here Insert image here Insert image here ACU = Auxiliary Control Unit Line fuses - Supply cable connetion Diode supply module DSU: 2 x D4 Trafo400V / 230V F F F K K