Negative Sequence Potential Difference using A-Phase Current (One Conductor Open) Solution

STEP 0: Pre-Calculation Summary
Formula Used
Negative Sequence Potential Difference in OCO = A-Phase Current in OCO*((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO)+(Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)+(Negative Sequence Impedance in OCO*Zero Sequence Impedance in OCO)))
Vaa'2(oco) = Ia(oco)*((Z0(oco)*Z1(oco)*Z2(oco))/((Z0(oco)*Z1(oco))+(Z1(oco)*Z2(oco))+(Z2(oco)*Z0(oco))))
This formula uses 5 Variables
Variables Used
Negative Sequence Potential Difference in OCO - (Measured in Volt) - Negative Sequence Potential Difference in OCO is defined as consisting of balanced three-phase potential differences phasors which are exactly at 120 degree in ACB rotation.
A-Phase Current in OCO - (Measured in Ampere) - A-phase Current in OCO is the current that flows into the a-phase in open conductor fault.
Zero Sequence Impedance in OCO - (Measured in Ohm) - Zero Sequence Impedance in OCO is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together.
Positive Sequence Impedance in OCO - (Measured in Ohm) - Positive Sequence Impedance in OCO is consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Negative Sequence Impedance in OCO - (Measured in Ohm) - Negative Sequence Impedance in OCO is consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
STEP 1: Convert Input(s) to Base Unit
A-Phase Current in OCO: 2.13 Ampere --> 2.13 Ampere No Conversion Required
Zero Sequence Impedance in OCO: 8 Ohm --> 8 Ohm No Conversion Required
Positive Sequence Impedance in OCO: 7.94 Ohm --> 7.94 Ohm No Conversion Required
Negative Sequence Impedance in OCO: 44.6 Ohm --> 44.6 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vaa'2(oco) = Ia(oco)*((Z0(oco)*Z1(oco)*Z2(oco))/((Z0(oco)*Z1(oco))+(Z1(oco)*Z2(oco))+(Z2(oco)*Z0(oco)))) --> 2.13*((8*7.94*44.6)/((8*7.94)+(7.94*44.6)+(44.6*8)))
Evaluating ... ...
Vaa'2(oco) = 7.79174860932488
STEP 3: Convert Result to Output's Unit
7.79174860932488 Volt --> No Conversion Required
FINAL ANSWER
7.79174860932488 7.791749 Volt <-- Negative Sequence Potential Difference in OCO
(Calculation completed in 00.004 seconds)

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Created by Nisarg
Indian Institute of Technology,Roorlee (IITR), Roorkee
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Chandigarh University (CU), Punjab
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Negative Sequence Calculators

Negative Sequence Potential Difference using A-Phase Current (One Conductor Open)
​ LaTeX ​ Go Negative Sequence Potential Difference in OCO = A-Phase Current in OCO*((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO)+(Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)+(Negative Sequence Impedance in OCO*Zero Sequence Impedance in OCO)))
Negative Sequence Voltage using Negative Sequence Impedance (One Conductor Open)
​ LaTeX ​ Go Negative Sequence Voltage in OCO = -Negative Sequence Impedance in OCO*Negative Sequence Current in OCO
Negative Sequence Current using Negative Sequence Impedance (One Conductor Open)
​ LaTeX ​ Go Negative Sequence Current in OCO = -Negative Sequence Voltage in OCO/Negative Sequence Impedance in OCO

Negative Sequence Potential Difference using A-Phase Current (One Conductor Open) Formula

​LaTeX ​Go
Negative Sequence Potential Difference in OCO = A-Phase Current in OCO*((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO)+(Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)+(Negative Sequence Impedance in OCO*Zero Sequence Impedance in OCO)))
Vaa'2(oco) = Ia(oco)*((Z0(oco)*Z1(oco)*Z2(oco))/((Z0(oco)*Z1(oco))+(Z1(oco)*Z2(oco))+(Z2(oco)*Z0(oco))))

What is potential difference and why is it important?

An electrical potential difference is a difference in the amount of potential energy a particle has due to its position between two locations in an electric field. This important concept provides the basis for understanding electric circuits.

How to Calculate Negative Sequence Potential Difference using A-Phase Current (One Conductor Open)?

Negative Sequence Potential Difference using A-Phase Current (One Conductor Open) calculator uses Negative Sequence Potential Difference in OCO = A-Phase Current in OCO*((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO)+(Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)+(Negative Sequence Impedance in OCO*Zero Sequence Impedance in OCO))) to calculate the Negative Sequence Potential Difference in OCO, The Negative Sequence Potential Difference using a-phase current (One conductor open) formula consists of balanced three-phase potential difference phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation. Negative Sequence Potential Difference in OCO is denoted by Vaa'2(oco) symbol.

How to calculate Negative Sequence Potential Difference using A-Phase Current (One Conductor Open) using this online calculator? To use this online calculator for Negative Sequence Potential Difference using A-Phase Current (One Conductor Open), enter A-Phase Current in OCO (Ia(oco)), Zero Sequence Impedance in OCO (Z0(oco)), Positive Sequence Impedance in OCO (Z1(oco)) & Negative Sequence Impedance in OCO (Z2(oco)) and hit the calculate button. Here is how the Negative Sequence Potential Difference using A-Phase Current (One Conductor Open) calculation can be explained with given input values -> 7.760425 = 2.13*((8*7.94*44.6)/((8*7.94)+(7.94*44.6)+(44.6*8))).

FAQ

What is Negative Sequence Potential Difference using A-Phase Current (One Conductor Open)?
The Negative Sequence Potential Difference using a-phase current (One conductor open) formula consists of balanced three-phase potential difference phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation and is represented as Vaa'2(oco) = Ia(oco)*((Z0(oco)*Z1(oco)*Z2(oco))/((Z0(oco)*Z1(oco))+(Z1(oco)*Z2(oco))+(Z2(oco)*Z0(oco)))) or Negative Sequence Potential Difference in OCO = A-Phase Current in OCO*((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO)+(Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)+(Negative Sequence Impedance in OCO*Zero Sequence Impedance in OCO))). A-phase Current in OCO is the current that flows into the a-phase in open conductor fault, Zero Sequence Impedance in OCO is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together, Positive Sequence Impedance in OCO is consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation & Negative Sequence Impedance in OCO is consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
How to calculate Negative Sequence Potential Difference using A-Phase Current (One Conductor Open)?
The Negative Sequence Potential Difference using a-phase current (One conductor open) formula consists of balanced three-phase potential difference phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation is calculated using Negative Sequence Potential Difference in OCO = A-Phase Current in OCO*((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/((Zero Sequence Impedance in OCO*Positive Sequence Impedance in OCO)+(Positive Sequence Impedance in OCO*Negative Sequence Impedance in OCO)+(Negative Sequence Impedance in OCO*Zero Sequence Impedance in OCO))). To calculate Negative Sequence Potential Difference using A-Phase Current (One Conductor Open), you need A-Phase Current in OCO (Ia(oco)), Zero Sequence Impedance in OCO (Z0(oco)), Positive Sequence Impedance in OCO (Z1(oco)) & Negative Sequence Impedance in OCO (Z2(oco)). With our tool, you need to enter the respective value for A-Phase Current in OCO, Zero Sequence Impedance in OCO, Positive Sequence Impedance in OCO & Negative Sequence Impedance in OCO 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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