Input Power of Synchronous Motor Solution

STEP 0: Pre-Calculation Summary
Formula Used
Input Power = Armature Current*Voltage*cos(Phase Difference)
Pin = Ia*V*cos(Φs)
This formula uses 1 Functions, 4 Variables
Functions Used
cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)
Variables Used
Input Power - (Measured in Watt) - Input Power is defined as the total power supplied to the electrical motor from the source which is connected to it.
Armature Current - (Measured in Ampere) - Armature Current Motor is defined as the armature current developed in an synchronous motor due to the rotation of rotor.
Voltage - (Measured in Volt) - Voltage, electric pressure or electric tension is the difference in electric potential between two points in electrical machines.
Phase Difference - (Measured in Radian) - Phase Difference in Synchronous Motor is defined as the difference in the phase angle of Voltage and Armature current of a synchronous motor.
STEP 1: Convert Input(s) to Base Unit
Armature Current: 3.7 Ampere --> 3.7 Ampere No Conversion Required
Voltage: 240 Volt --> 240 Volt No Conversion Required
Phase Difference: 30 Degree --> 0.5235987755982 Radian (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Pin = Ia*V*cos(Φs) --> 3.7*240*cos(0.5235987755982)
Evaluating ... ...
Pin = 769.030558560581
STEP 3: Convert Result to Output's Unit
769.030558560581 Watt --> No Conversion Required
FINAL ANSWER
769.030558560581 769.0306 Watt <-- Input Power
(Calculation completed in 00.006 seconds)

Credits

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Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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Verified by Kethavath Srinath
Osmania University (OU), Hyderabad
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3 Phase Input Power of Synchronous Motor
​ LaTeX ​ Go Three Phase Input Power = sqrt(3)*Load Voltage*Load Current*cos(Phase Difference)
Mechanical Power of Synchronous Motor
​ LaTeX ​ Go Mechanical Power = Back EMF*Armature Current*cos(Load Angle-Phase Difference)
Input Power of Synchronous Motor
​ LaTeX ​ Go Input Power = Armature Current*Voltage*cos(Phase Difference)
Mechanical Power of Synchronous Motor given Input Power
​ LaTeX ​ Go Mechanical Power = Input Power-Armature Current^2*Armature Resistance

Synchronous Motor Circuit Calculators

Load Current of Synchronous Motor given 3 Phase Mechanical Power
​ LaTeX ​ Go Load Current = (Three Phase Mechanical Power+3*Armature Current^2*Armature Resistance)/(sqrt(3)*Load Voltage*cos(Phase Difference))
Armature Current of Synchronous Motor given 3 Phase Mechanical Power
​ LaTeX ​ Go Armature Current = sqrt((Three Phase Input Power-Three Phase Mechanical Power)/(3*Armature Resistance))
Armature Current of Synchronous Motor given Mechanical Power
​ LaTeX ​ Go Armature Current = sqrt((Input Power-Mechanical Power)/Armature Resistance)
Armature Current of Synchronous Motor given Input Power
​ LaTeX ​ Go Armature Current = Input Power/(cos(Phase Difference)*Voltage)

Input Power of Synchronous Motor Formula

​LaTeX ​Go
Input Power = Armature Current*Voltage*cos(Phase Difference)
Pin = Ia*V*cos(Φs)

What are the characteristics of a synchronous motor?

Synchronous motors operate at a constant speed determined by the frequency of the power supply and the number of poles in the motor. They have a high power factor, precise speed control, require DC excitation for the rotor, and offer high efficiency and starting torque, making them suitable for heavy loads.

How to Calculate Input Power of Synchronous Motor?

Input Power of Synchronous Motor calculator uses Input Power = Armature Current*Voltage*cos(Phase Difference) to calculate the Input Power, The Input Power of Synchronous Motor formula is defined as the power of the synchronous motor at the input side. Input Power is denoted by Pin symbol.

How to calculate Input Power of Synchronous Motor using this online calculator? To use this online calculator for Input Power of Synchronous Motor, enter Armature Current (Ia), Voltage (V) & Phase Difference s) and hit the calculate button. Here is how the Input Power of Synchronous Motor calculation can be explained with given input values -> 769.0306 = 3.7*240*cos(0.5235987755982).

FAQ

What is Input Power of Synchronous Motor?
The Input Power of Synchronous Motor formula is defined as the power of the synchronous motor at the input side and is represented as Pin = Ia*V*cos(Φs) or Input Power = Armature Current*Voltage*cos(Phase Difference). Armature Current Motor is defined as the armature current developed in an synchronous motor due to the rotation of rotor, Voltage, electric pressure or electric tension is the difference in electric potential between two points in electrical machines & Phase Difference in Synchronous Motor is defined as the difference in the phase angle of Voltage and Armature current of a synchronous motor.
How to calculate Input Power of Synchronous Motor?
The Input Power of Synchronous Motor formula is defined as the power of the synchronous motor at the input side is calculated using Input Power = Armature Current*Voltage*cos(Phase Difference). To calculate Input Power of Synchronous Motor, you need Armature Current (Ia), Voltage (V) & Phase Difference s). With our tool, you need to enter the respective value for Armature Current, Voltage & Phase Difference and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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