ABB ACS850 - Direct torque control

Control chain and drive logic diagrams 367
01.04 Motor current 01.05 Motor current %
01.06 Motor torque
01.07 Dc-voltage
01.14 Motor speed est
03.17 Flux actual
Gate signals
03.14 Torq ref used
01.23 Motor power
20.07 Maximum torque1 20.08 Minimum torque1 20.09 Maximum torque2 20.10 Minimum torque2
20.06 Torq lim sel
20.12 P Motoring lim 20.13 P Generating lim
U/F-curve Flux
optimisation
Flux braking Field
weakening
DC voltage
limiter
Power limiter Torque limiter
Start control
AUTO
FAST
CONST TIME
11.01 Start mode 11.02 DC-Magn time
38.01 Flux ref
38.03 U/F curve func 38.04 U/F curve freq1 38.05 U/F curve freq2 38.06 U/F curve freq3 38.07 U/F curve freq4 38.08 U/F curve freq5 38.09 U/F curve volt1 38.10 U/F curve volt2 38.11 U/F curve volt3 38.12 U/F curve volt4 38.13 U/F curve volt5
45.01 Energy optim
20.05 Maximum current
Motor model
Estimate and calculate
11.07 Autophasing mode 99.13 Id-run mode
01.22 Power inu out
40.06 Force open loop 40.03 Slip gain 97 User motor par 99 Mot nom par
47.01 Overvoltage ctrl 47.02 Undervolt ctrl
01.01 Motor speed rpm
99.05 Motor ctrl mode
06.07 Torq lim status
40.07 IR-compensation
40.04 Voltage reserve
01.29 Torq nom scale 01.30 Polepairs
DTC core
40.10 Flux braking
03.13 Torq ref to TC
Direct torque control