Lenze 8400 - Manual (Page 6)

Contents
6
Lenze · 8400 protec HighLine · Reference manual · DMS 3.0 EN · 03/2013 · TD05
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
5.8 Sensorless control for synchronous motors (SLPSM) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 198
5.8.1 Parameterisation dialog/signal flow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 199
5.8.2 Types of control _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 202
5.8.3 Basic settings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 203
5.8.4 Optimising the control mode _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 205
5.8.4.1 Optimise current controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 206
5.8.4.2 Optimise speed controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 207
5.8.4.3 Optimise response to setpoint changes and determine mass inertia _ _ _ _ 210
5.8.4.4 Current-dependent stator leakage inductance Ppp(I) _ _ _ _ _ _ _ _ _ _ _ _ 212
5.8.5 Pole position identification without motion _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 214
5.8.6 Field weakening for synchronous motors _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 216
5.9 Servo control (SC) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 219
5.9.1 Parameterisation dialog/signal flow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 220
5.9.2 Types of control _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 223
5.9.2.1 Speed control with torque limitation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 223
5.9.2.2 Torque control with speed limitation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 225
5.9.3 Basic settings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 226
5.9.3.1 Parameterising the encoder/feedback system _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 227
5.9.4 Optimising the control mode _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 228
5.9.4.1 Optimise current controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 229
5.9.4.2 Optimise speed controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 230
5.9.4.3 Optimise response to setpoint changes and determine mass inertia _ _ _ _ 233
5.9.4.4 Setting the current setpoint filter (band-stop filter) _ _ _ _ _ _ _ _ _ _ _ _ _ 235
5.9.4.5 Adapting the max. acceleration change (jerk limitation) _ _ _ _ _ _ _ _ _ _ 236
5.9.4.6 Slip calculation from motor equivalent circuit diagram data _ _ _ _ _ _ _ _ 237
5.9.4.7 Optimising the behaviour in the field weakening range _ _ _ _ _ _ _ _ _ _ _ 238
5.10 Parameterisable additional functions _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 242
5.10.1 Selection of switching frequency _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 242
5.10.2 Flying restart function _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 245
5.10.3 DC-injection braking _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 248
5.10.3.1 Manual DC-injection braking (DCB) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 249
5.10.3.2 Automatic DC-injection braking (Auto-DCB) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 249
5.10.4 Slip compensation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 252
5.10.5 Oscillation damping _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 253
5.10.5.1 Oscillation damping voltage range _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 254
5.10.5.2 Oscillation damping in the field weakening range _ _ _ _ _ _ _ _ _ _ _ _ _ _ 255
5.10.6 Phase sequence reversal for correcting misconnected UVW motor phases _ _ _ _ _ _ _ _ 256
5.11 Encoder/feedback system _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 257
5.11.1 Parameterising digital inputs as encoder inputs _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 260
5.11.2 Encoder evaluation method _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 261
5.11.3 Generation of the actual speed value _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 262
5.11.4 Encoder with HTL level at DI1/DI2 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 263
5.11.5 Encoder with HTL level at DI5/DI6 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 265
5.11.6 SSI encoder evaluation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 266
5.11.6.1 Configuration example _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 268
5.12 Position control/additive speed specification _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 269
5.13 Braking operation/brake energy management _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 270
5.13.1 Setting the voltage source for braking operation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 272
5.13.2 Selecting the response to an increase of the DC-bus voltage _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 273
5.13.2.1 Inverter motor brake _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 275
5.13.3 Avoiding thermal overload of the brake resistor _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 278
5.13.4 Control of multiple internal brake choppers in the DC-bus system _ _ _ _ _ _ _ _ _ _ _ _ 278