RMS Voltage using Reactive Power Solution

STEP 0: Pre-Calculation Summary
Formula Used
Root Mean Square Voltage = Reactive Power/(Root Mean Square Current*sin(Phase Difference))
Vrms = Q/(Irms*sin(Φ))
This formula uses 1 Functions, 4 Variables
Functions Used
sin - Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse., sin(Angle)
Variables Used
Root Mean Square Voltage - (Measured in Volt) - Root Mean Square Voltage is the square root of the time average of the voltage squared.
Reactive Power - (Measured in Watt) - Reactive Power is a measure of the energy exchange between the source and the reactive part of the load.
Root Mean Square Current - (Measured in Ampere) - Root Mean Square Current is defined as the root mean square of a given current.
Phase Difference - (Measured in Radian) - Phase Difference is defined as the difference between the phasor of apparent and real power (in degrees) or between voltage and current in an ac circuit.
STEP 1: Convert Input(s) to Base Unit
Reactive Power: 134 Volt Ampere Reactive --> 134 Watt (Check conversion ​here)
Root Mean Square Current: 4.7 Ampere --> 4.7 Ampere No Conversion Required
Phase Difference: 30 Degree --> 0.5235987755982 Radian (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vrms = Q/(Irms*sin(Φ)) --> 134/(4.7*sin(0.5235987755982))
Evaluating ... ...
Vrms = 57.0212765957447
STEP 3: Convert Result to Output's Unit
57.0212765957447 Volt --> No Conversion Required
FINAL ANSWER
57.0212765957447 57.02128 Volt <-- Root Mean Square Voltage
(Calculation completed in 00.004 seconds)

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Vishwakarma Government Engineering College (VGEC), Ahmedabad
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RMS Voltage using Reactive Power
​ LaTeX ​ Go Root Mean Square Voltage = Reactive Power/(Root Mean Square Current*sin(Phase Difference))
RMS Voltage using Real Power
​ LaTeX ​ Go Root Mean Square Voltage = Real Power/(Root Mean Square Current*cos(Phase Difference))
Voltage using Reactive Power
​ LaTeX ​ Go Voltage = Reactive Power/(Current*sin(Phase Difference))
Voltage using Real Power
​ LaTeX ​ Go Voltage = Real Power/(Current*cos(Phase Difference))

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Capacitance for Parallel RLC Circuit using Q Factor
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Capacitance for Series RLC Circuit given Q Factor
​ LaTeX ​ Go Capacitance = Inductance/(Series RLC Quality Factor^2*Resistance^2)

RMS Voltage using Reactive Power Formula

​LaTeX ​Go
Root Mean Square Voltage = Reactive Power/(Root Mean Square Current*sin(Phase Difference))
Vrms = Q/(Irms*sin(Φ))

What is the difference between real power and reactive power?

Real Power is equal to the Reactive Power i.e. there is no VAr in DC Circuits. Only Real Power exists. There is no Reactive Power in DC circuits due to the zero phase angle (Φ) between current and voltage. Real power is important to produce heat and utilize the electric and magnetic field generated by Reactive Power.

How to Calculate RMS Voltage using Reactive Power?

RMS Voltage using Reactive Power calculator uses Root Mean Square Voltage = Reactive Power/(Root Mean Square Current*sin(Phase Difference)) to calculate the Root Mean Square Voltage, RMS Voltage using Reactive Power is the square root of the time average of the voltage squared. Root Mean Square Voltage is denoted by Vrms symbol.

How to calculate RMS Voltage using Reactive Power using this online calculator? To use this online calculator for RMS Voltage using Reactive Power, enter Reactive Power (Q), Root Mean Square Current (Irms) & Phase Difference (Φ) and hit the calculate button. Here is how the RMS Voltage using Reactive Power calculation can be explained with given input values -> 57.02128 = 134/(4.7*sin(0.5235987755982)).

FAQ

What is RMS Voltage using Reactive Power?
RMS Voltage using Reactive Power is the square root of the time average of the voltage squared and is represented as Vrms = Q/(Irms*sin(Φ)) or Root Mean Square Voltage = Reactive Power/(Root Mean Square Current*sin(Phase Difference)). Reactive Power is a measure of the energy exchange between the source and the reactive part of the load, Root Mean Square Current is defined as the root mean square of a given current & Phase Difference is defined as the difference between the phasor of apparent and real power (in degrees) or between voltage and current in an ac circuit.
How to calculate RMS Voltage using Reactive Power?
RMS Voltage using Reactive Power is the square root of the time average of the voltage squared is calculated using Root Mean Square Voltage = Reactive Power/(Root Mean Square Current*sin(Phase Difference)). To calculate RMS Voltage using Reactive Power, you need Reactive Power (Q), Root Mean Square Current (Irms) & Phase Difference (Φ). With our tool, you need to enter the respective value for Reactive Power, Root Mean Square Current & Phase Difference and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Root Mean Square Voltage?
In this formula, Root Mean Square Voltage uses Reactive Power, Root Mean Square Current & Phase Difference. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Root Mean Square Voltage = Real Power/(Root Mean Square Current*cos(Phase Difference))
  • Root Mean Square Voltage = Real Power/(Root Mean Square Current*cos(Phase Difference))
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