In the diagram i connect the incoming three phase supply l1 l2 l3 to the mccb circuit breaker molded case circuit breaker. The wiring of direct on line control circuit starter is following.
Motor Control Circuits Ladder Logic Electronics Textbook
Three phase motor control circuit diagram. Reverse forward motor control circuit diagram for three phase motor. Here first i am sharing with the main wiring diagram. The l1 contactor is connected from normally open no to r phase using mccb. In the below main wiring diagram. The three phase incoming supply molded case circuit breaker mccb two magnetic contactors. This video gives a brief explanation on how a three phase motor control circuit works.
We use 2 magnetic contactors as forward reverse switch. The connection of contactor can be done among relay coil supply voltage as well as thermal overload. Three phase motor run on single phase power supply using capacitor. Contactor design and rating contactor nameplate. Forward reverse motor control diagram for three phase motor for three phase motor forward reverse control circuit. A very common form of latch circuit is the simple start stop relay circuit used for motor controls whereby a pair of momentary contact pushbutton switches control the operation of an electric motor.
The diagram below illustrates the control circuit needed to accomplish the operation. And nc off switch and no on switch. Dol starter control diagram three phase. A simple circuit diagram of contactor with three phase motor. I shown the complete method. Star delta starter control and power circuit.
Here i showed the forward reverse wiring diagram. First the stop pushbuttons are connected in series to form a nor logic. This control circuit is a variation of the three wire control circuit. Motor contactor magnetic relay and contactor. Three phase motor connection stardelta y δ reverse forward with timer power control diagram starting stopping of 3 phase motor from more than one place power control diagrams control 3 phase motor from more than two buttons power control diagrams. I convert the diagram in two parts for better understanding.
Next the start pushbuttons are connected in parallel to form an or logic circuit. Three phase dol starter wiring diagram for 3 phase motor. How to wire forward reverse motor control and power circuit. In three phase dol starter wiring the two types of wiring done. In this particular case i show a low voltage control circuit and a 3 phase higher voltage motor. In the diagram you will see the three pole mccb circuit breaker molded case circuit breaker a magnetic contactor a motor over current thermal overload protection relay.
Gallery of Three Phase Motor Control Circuit Diagram
