# Best answer: What is the importance of slip in induction motor?

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The slip of the motor is kept low when the induction motor is running at no-load. The small slip produces the small torque on the motor. The value of the induction motor slip is adjusted according to the requirement of the driving torque at the normal working condition.

## Why is slip necessary in an induction motor?

In actual operation, rotor speed always lags the magnetic field’s speed, allowing the rotor bars to cut magnetic lines of force and produce useful torque. This speed difference is called slip speed. Slip also increases with load and it is necessary for producing of torque.

## What happens if the slip of induction motor is one?

Slip = 1, means that rotor is stationary. Negative value of slip in induction motor can be achieved when the rotor speed is more than the synchronously rotating magnetic flux.

## What is the unit of slip in induction motor?

Definition: In Induction Motor, a slip is a speed among the rotary magnetic flux as well as rotor expressed in terms of for every unit synchronous speed. It can be measured in dimensionless & the value of this motor cannot be zero.

## Why is the induction motor important?

The induction motor is one of the most important inventions in modern history. It turned the wheels of progress at a new speed and officially kicked off the second industrial revolution by drastically improving energy generation efficiency and making the long-distance distribution of electricity possible.

## Why must slip be present in motor action?

Importance of Slip

The above equation shows that the torque induces on the rotor is directly proportional to the slip of the induction motor. The high value of slip induces the emf in the rotor. This EMF develops the heavy torque on the rotor conductors.

## How is motor rating slip calculated?

The multiplication of 100 and speed difference divided by the synchronous speed is known as slip of an induction motor. It’s always represented in percentage, generally it ranges from 0.4% to 6% based on its design factors.

## What causes motor slip?

The interaction of currents flowing in the rotor bars and the stators’ rotating magnetic field generate torque. In actual operation, rotor speed always lags the magnetic field’s speed, allowing the rotor bars to cut magnetic lines of force and produce useful torque. This speed difference is called slip speed.

## What is Torque slip?

The torque slip curve for an induction motor gives us the information about the variation of torque with the slip. The slip is defined as the ratio of difference of synchronous speed and actual rotor speed to the synchronous speed of the machine.

## What is slip in DC motor?

Slip is the differentiation between synchronous and asynchronous speed. … The difference between the synchronous speed of the electric motor magnetic field, and the shaft rotating speed is slip – measured in RPM or frequency. Slip increases with increasing load – providing a greater torque.

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## What is the slip?

SLIP is the difference between the synchronous speed of the magnetic field and the shaft rotating speed and would be some number of RPM or frequency. The slip increases with an increasing load, thus providing a greater torque.

## What does negative slip mean?

If slip is negative, the “input power” to the electrical terminals will be negative, implying that power is flowing out of the electrical terminals.

## What is synchronous speed?

Synchronous speed is a significant parameter for the rotating magnetic field-type AC motor. It is determined by the frequency and the number of magnetic poles. Synchronous speed No = [rps, revolutions per second] f = Frequency [Hz]