Motor contactor magnetic relay and contactor. First the stop pushbuttons are connected in series to form a nor logic.
Three Phase Synchronous Motor Starting Given The F Chegg Com
Three phase motor control circuit diagram. I convert the diagram in two parts for better understanding. How to wire forward reverse motor control and power circuit. Reverse forward motor control circuit diagram for three phase motor. In the below main wiring diagram. This video gives a brief explanation on how a three phase motor control circuit works. Three phase motor run on single phase power supply using capacitor.
The three phase incoming supply molded case circuit breaker mccb two magnetic contactors. Dol starter control diagram three phase. Next the start pushbuttons are connected in parallel to form an or logic circuit. In the diagram i connect the incoming three phase supply l1 l2 l3 to the mccb circuit breaker molded case circuit breaker. And nc off switch and no on switch. The connection of contactor can be done among relay coil supply voltage as well as thermal overload.
The diagram below illustrates the control circuit needed to accomplish the operation. I shown the complete method. The l1 contactor is connected from normally open no to r phase using mccb. 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. Forward reverse motor control diagram for three phase motor for three phase motor forward reverse control circuit.
Three phase dol starter wiring diagram for 3 phase motor. 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. Here i showed the forward reverse wiring diagram. Here first i am sharing with the main wiring diagram. We use 2 magnetic contactors as forward reverse switch. A simple circuit diagram of contactor with three phase 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. Star delta starter control and power circuit. The wiring of direct on line control circuit starter is following. Contactor design and rating contactor nameplate. This control circuit is a variation of the three wire control circuit. 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.
Gallery of Three Phase Motor Control Circuit Diagram
