Lenze 8400 TopLine - Manual (Page 5)

Lenze · 8400 TopLine · Reference manual · DMS 6.0 EN · 06/2014 · TD05/TD14
5
Contents
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
5 Motor control (MCTRL) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 134
5.1 Motor selection/Motor data _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 135
5.1.1 Selecting a motor from the motor catalogue in the »Engineer« _ _ _ _ _ _ _ _ _ _ _ _ _ _ 139
5.1.2 Automatic motor data identification _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 141
5.1.3 Application notes for asynchronous motors with high slip speed _ _ _ _ _ _ _ _ _ _ _ _ _ 148
5.2 Selecting the control mode _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 149
5.2.1 Selection help _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 153
5.3 Defining current and speed limits _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 154
5.4 V/f characteristic control (VFCplus) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 157
5.4.1 Parameterisation dialog/signal flow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 158
5.4.2 Basic settings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 160
5.4.2.1 Defining the V/f characteristic shape _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 161
5.4.2.2 Defining current limits (Imax controller) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 162
5.4.3 Optimising the control mode _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 163
5.4.3.1 Adapting the V/f base frequency _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 164
5.4.3.2 Adapting the Vmin boost _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 166
5.4.3.3 Optimising the Imax controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 168
5.4.3.4 Optimising the stalling behaviour _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 169
5.4.3.5 Torque limitation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 170
5.4.3.6 Defining a user-defined V/f characteristic _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 172
5.4.4 Remedies for undesired drive behaviour _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 175
5.5 V/f characteristic control - energy-saving (VFCplusEco) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 176
5.5.1 Parameterisation dialog/signal flow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 177
5.5.2 Comparison of VFCplusEco - VFCplus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 179
5.5.3 Basic settings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 180
5.5.4 Optimising the control mode _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 181
5.5.4.1 Improving the behaviour at high dynamic load changes _ _ _ _ _ _ _ _ _ _ _ 182
5.5.4.2 Adapting the slope limitation for lowering the Eco function _ _ _ _ _ _ _ _ 183
5.5.4.3 Optimising the cos/phi controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 183
5.5.5 Remedies for undesired drive behaviour _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 184
5.6 V/f control (VFCplus + encoder) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 186
5.6.1 Parameterisation dialog/signal flow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 187
5.6.2 Basic settings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 189
5.6.2.1 Parameterising the slip regulator _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 190
5.7 Sensorless vector control (SLVC) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 193
5.7.1 Parameterisation dialog/signal flow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 194
5.7.2 Types of control _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 196
5.7.2.1 Speed control with torque limitation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 196
5.7.2.2 Torque control with speed limitation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 197
5.7.3 Basic settings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 198
5.7.4 Optimising the control mode _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 199
5.7.4.1 Optimising the starting performance after a controller enable _ _ _ _ _ _ _ 199
5.7.4.2 Optimise speed controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 200
5.7.4.3 Optimising dynamic performance and field weakening behaviour _ _ _ _ _ 201
5.7.4.4 Optimising the stalling behaviour _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 202
5.7.4.5 Optimise response to setpoint changes and determine mass inertia _ _ _ _ 203
5.7.4.6 Slip calculation from motor equivalent circuit diagram data _ _ _ _ _ _ _ _ 206
5.7.4.7 Optimising field feedforward control and torque feedforward control _ _ _ 207
5.7.5 Remedies for undesired drive behaviour _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 208