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Root Mean Square Voltage is the square root of the time average of the voltage squared. Check FAQs
Vrms=P2cos(Φ)I
Vrms - Root Mean Square Voltage?P - Power Transmitted?Φ - Phase Difference?I - Current Overhead AC?

RMS Voltage using Load Current (Two-Phase Three-Wire OS) Example

With values
With units
Only example

Here is how the RMS Voltage using Load Current (Two-Phase Three-Wire OS) equation looks like with Values.

Here is how the RMS Voltage using Load Current (Two-Phase Three-Wire OS) equation looks like with Units.

Here is how the RMS Voltage using Load Current (Two-Phase Three-Wire OS) equation looks like.

74.4698Edit=890Edit2cos(30Edit)6.9Edit
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RMS Voltage using Load Current (Two-Phase Three-Wire OS) Solution

Follow our step by step solution on how to calculate RMS Voltage using Load Current (Two-Phase Three-Wire OS)?

FIRST Step Consider the formula
Vrms=P2cos(Φ)I
Next Step Substitute values of Variables
Vrms=890W2cos(30°)6.9A
Next Step Convert Units
Vrms=890W2cos(0.5236rad)6.9A
Next Step Prepare to Evaluate
Vrms=8902cos(0.5236)6.9
Next Step Evaluate
Vrms=74.4698173302561V
LAST Step Rounding Answer
Vrms=74.4698V

RMS Voltage using Load Current (Two-Phase Three-Wire OS) Formula Elements

Variables
Functions
Root Mean Square Voltage
Root Mean Square Voltage is the square root of the time average of the voltage squared.
Symbol: Vrms
Measurement: Electric PotentialUnit: V
Note: Value should be greater than 0.
Power Transmitted
Power Transmitted is defined as the product of current and voltage phasor in a overhead ac line at the receiving end.
Symbol: P
Measurement: PowerUnit: W
Note: Value should be greater than 0.
Phase Difference
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.
Symbol: Φ
Measurement: AngleUnit: °
Note: Value should be greater than 0.
Current Overhead AC
Current Overhead AC is defined as the current flowing through the overhead ac supply wire.
Symbol: I
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
cos
Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
Syntax: cos(Angle)

Other Formulas to find Root Mean Square Voltage

​Go RMS Voltage using Area of X-Section(Two-Phase Three-Wire OS)
Vrms=(2+2)Lρ(P2)APloss((cos(Φ))2)
​Go RMS Voltage using Line Losses (Two-Phase Three-Wire OS)
Vrms=P(2+2)ρL2APlosscos(Φ)

Other formulas in Current and Voltage category

​Go Load Current(Two-Phase Three-Wire OS)
I=P2Vmcos(Φ)
​Go Maximum Voltage(Two-Phase Three-Wire OS)
Vac=(1)Vm
​Go Maximum Voltage using Area of X-Section(Two-Phase Three-Wire OS)
Vm=Lρ(P2)(2+2)2APloss((cos(Φ))2)
​Go Load Current using Area of X-Section(Two-Phase Three-Wire OS)
I=PlossA(2+2)ρL

How to Evaluate RMS Voltage using Load Current (Two-Phase Three-Wire OS)?

RMS Voltage using Load Current (Two-Phase Three-Wire OS) evaluator uses Root Mean Square Voltage = Power Transmitted/(2*cos(Phase Difference)*Current Overhead AC) to evaluate the Root Mean Square Voltage, The RMS Voltage using Load Current (two-phase three-wire OS) formula is defined as the square root of the time average of the voltage squared. Root Mean Square Voltage is denoted by Vrms symbol.

How to evaluate RMS Voltage using Load Current (Two-Phase Three-Wire OS) using this online evaluator? To use this online evaluator for RMS Voltage using Load Current (Two-Phase Three-Wire OS), enter Power Transmitted (P), Phase Difference (Φ) & Current Overhead AC (I) and hit the calculate button.

FAQs on RMS Voltage using Load Current (Two-Phase Three-Wire OS)

What is the formula to find RMS Voltage using Load Current (Two-Phase Three-Wire OS)?
The formula of RMS Voltage using Load Current (Two-Phase Three-Wire OS) is expressed as Root Mean Square Voltage = Power Transmitted/(2*cos(Phase Difference)*Current Overhead AC). Here is an example- 74.46982 = 890/(2*cos(0.5235987755982)*6.9).
How to calculate RMS Voltage using Load Current (Two-Phase Three-Wire OS)?
With Power Transmitted (P), Phase Difference (Φ) & Current Overhead AC (I) we can find RMS Voltage using Load Current (Two-Phase Three-Wire OS) using the formula - Root Mean Square Voltage = Power Transmitted/(2*cos(Phase Difference)*Current Overhead AC). This formula also uses Cosine function(s).
What are the other ways to Calculate Root Mean Square Voltage?
Here are the different ways to Calculate Root Mean Square Voltage-
  • Root Mean Square Voltage=sqrt(((2+sqrt(2))*Length of Overhead AC Wire*Resistivity*(Power Transmitted^2))/(Area of Overhead AC Wire*Line Losses*((cos(Phase Difference))^2)))OpenImg
  • Root Mean Square Voltage=Power Transmitted*sqrt((2+sqrt(2))*Resistivity*Length of Overhead AC Wire/(2*Area of Overhead AC Wire*Line Losses))/cos(Phase Difference)OpenImg
Can the RMS Voltage using Load Current (Two-Phase Three-Wire OS) be negative?
No, the RMS Voltage using Load Current (Two-Phase Three-Wire OS), measured in Electric Potential cannot be negative.
Which unit is used to measure RMS Voltage using Load Current (Two-Phase Three-Wire OS)?
RMS Voltage using Load Current (Two-Phase Three-Wire OS) is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which RMS Voltage using Load Current (Two-Phase Three-Wire OS) can be measured.
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