Motor Control Gear

II Content V 0082
2.9 Limiting control with limit switches (proximity type) ................................. 90
2.9.a. Open-circuit principle
2.9.b Closed-circuit principle
2.10 Reversing contactor control with contactor interlocking .............................. 99
2.11 Reversing contactor control with interlocking via contactor and pushbutton ...............105
2.12 Star-delta switching .......................................................111
2.13 Automatic star-delta switching. ...............................................117
2.14 Automatic star-delta switching for two directions of rotation. ..........................122
2.15 Pole-changing for two speeds (Dahlander). ......................................128
2.16 Pole-changing circuit for two speeds (for motor with two separate windings) ..............135
2.17 Automatic control of a three-stage rotor starter. ...................................141
2.18 Current-impulse-operated contactor circuit .......................................148
2.19 Control of an installation for reactive current compensation. ..........................153
2.20 Counter-current braking (‘plugging’) with brake monitor. .............................163
3 Bibliography ...............................................168