Torque Of Squirrel Cage Induction Motor Calculator

Torque Formula:

\[ \tau = \frac{K \times E^2 \times Rr}{(Rs + Rr)^2 + (Xs + Xr)^2} \]

Constant (K):

Voltage (E):

Volt

Rotor Resistance (Rr):

Ohm

Stator Resistance (Rs):

Ohm

Stator Reactance (Xs):

Ohm

Rotor Reactance (Xr):

Ohm

Torque (τ):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the Torque Of Squirrel Cage Induction Motor Formula?

The torque formula for a squirrel cage induction motor calculates the turning effect of force on the axis of rotation. It is characterized by τ and is a vector quantity that depends on various electrical parameters of the motor.

2. How Does the Calculator Work?

The calculator uses the torque formula:

\[ \tau = \frac{K \times E^2 \times Rr}{(Rs + Rr)^2 + (Xs + Xr)^2} \]

Where:

\( \tau \) — Torque (Newton Meter)
\( K \) — Constant
\( E \) — Voltage (Volt)
\( Rr \) — Rotor Resistance (Ohm)
\( Rs \) — Stator Resistance (Ohm)
\( Xs \) — Stator Reactance (Ohm)
\( Xr \) — Rotor Reactance (Ohm)

Explanation: The formula calculates the torque produced by a squirrel cage induction motor based on its electrical characteristics and operating voltage.

3. Importance of Torque Calculation

Details: Accurate torque calculation is crucial for motor selection, performance analysis, and ensuring proper operation of electrical machinery in various applications.

4. Using the Calculator

Tips: Enter all required electrical parameters in their respective units. All values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is torque in an induction motor?
A: Torque is the rotational force produced by the motor that enables it to perform mechanical work.

Q2: Why is the constant (K) important in the formula?
A: The constant represents specific motor characteristics and design parameters that affect torque production.

Q3: How does voltage affect motor torque?
A: Torque is proportional to the square of the voltage, making voltage a critical factor in torque production.

Q4: What are typical values for rotor and stator resistances?
A: These values vary significantly depending on motor size, design, and application, typically ranging from fractions of an ohm to several ohms.

Q5: Can this formula be used for all induction motors?
A: This specific formula is designed for squirrel cage induction motors. Other motor types may require different torque calculation methods.