1 Phase Reversing Motor Starter Wiring Diagram
In the 3 phase motor forward reverse starter wiring diagram.
1 phase reversing motor starter wiring diagram. Variety of single phase motor wiring diagram forward reverse. In short this the complete guide of forward reverse starter. Wondering how a capacitor can be used to start a single phase motor. 1 element 2 element 3 element l1 l1 l4 l1 l2 l3 control circuit connected to l1 l2 l1 l3 l1 l2 for reversing interchange lines l1.
Two speed motors for all other single phase wiring diagrams refer to the manufacturers data on the motor. I shown the 3 pole mccb circuit breaker 2 magnetic contactor normally open normally close push button switch thermal overload relay 3 phase 4 wire system supply 3 phase motor with connection trip indicator light etc. Phase lines sizes 0 l and 1p single phase sizes and 1 direct current 6 pilot light red black sizes 0 1 3 phase with pilot light 8. 1 phase 2 phase 4 wire 3 phase line markings l1 l2 l1 l3.
Also read about the speed torque characteristics of these motors along with its different types. Phase 1 l2 l4. It uses two contactors two auxiliary contact blocks an overload relay a mechanical interlock two normally open start pushbuttons a normally closed stop pushbutton and a power supply with a fuse. The figure given below shows the control and power diagram of forward and reverse starter diagram.
This diagram is for 3 phase reversing motor control with 24 vdc control voltage. Thermal contacts tb white m 1 z2 yellow z1 blue u2 black u1 red bridge l1 and l2 if speed controller s c is not required m 1 ln e white brown. Diagram dd6 diagram dd7 m 1 ln e diagram dd8 ln e l1 l2 l3 s c z1 u2 z2 u1 cap. These type of starters are used in various applications e g mixing of materials dying.
In the above one phase motor wiring i first connect a 2 pole circuit breaker and after that i connect the supply to motor starter and then i do cont actor coil wiring with normally close push button switch and normally open push button switch and in last i do connection between capacitor. To run the motor of above 05 hp rating circuit has to made in star delta. Learn how a capacitor start induction run motor is capable of producing twice as much torque of a split phase motor. Phase 2 l1 l2 l3 ground when used l1 is always ungrounded l2 motor running overcurrent units in.
Click here to view a capacitor start motor circuit diagram for starting a single phase motor. The above diagram is a complete method of single phase motor wiring with circuit breaker and contactor. Full voltage reversing 3 phase motors. Sizes 0 1 3 phase or 2 phase 3 wire for 2 phase 3 wire l2 and t2 are common sgl.