Introduction
In this article you will learn to make an interlocking
circuit of single phase ac motors. You will also learn the basics of motor
controls circuits used in industries and in many other places. This circuit is designed for single phase
ac motors. This is a very simple circuit. In this circuit, you will be
able to interlock the single phase ac motors by using two contactors very
easily.
Apparatus used
Fuse (F)
Overload relay (OLR)
1 Normally closed push button (NC)
2 Normally open push button (NO)
2 single phase switches (S1,S2)
2 closed Switches(CS)
2 magnetic contactors (C1,C2)
Explanation
In this circuit, the supply is connected to the circuit.
When the supply will be on of the motor.
It starts running. If the first contactor trips then it will open the circuit
by which the supply will stop and the motor will not be closed because the
second contactor will automatically be operated and as a result the motor will
remain in running condition without any problem. This circuit is used in case
of any problem of short circuit or in any other situation that the motor or
machine connected to the circuit remain constant and cannot be stopped.
Circuit Diagram
