Zero Sequence Potential Difference (Two Conductor Open) Solution

STEP 0: Pre-Calculation Summary
Formula Used
Zero Sequence Potential Difference in TCO = ((-1)*Positive Sequence Potential Difference in TCO)-(Negative Sequence Potential Difference in TCO)
Vaa'0(tco) = ((-1)*Vaa'1(tco))-(Vaa'2(tco))
This formula uses 3 Variables
Variables Used
Zero Sequence Potential Difference in TCO - (Measured in Volt) - Zero Sequence Potential Difference in TCO is defined as consisting of balanced three-phase potential differences, phasors of which all have the same phase angles.
Positive Sequence Potential Difference in TCO - (Measured in Volt) - Positive Sequence Potential Difference in TCO is defined as consisting of balanced 3-phase potential differences phasor which are exactly at 120 degrees in ABC rotation.
Negative Sequence Potential Difference in TCO - (Measured in Volt) - Negative Sequence Potential Difference in TCO in open conductor fault is defined as consisting of balanced three-phase potential differences phasors which are exactly at 120 degree in ACB rotation.
STEP 1: Convert Input(s) to Base Unit
Positive Sequence Potential Difference in TCO: 3.45 Volt --> 3.45 Volt No Conversion Required
Negative Sequence Potential Difference in TCO: -7.11 Volt --> -7.11 Volt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vaa'0(tco) = ((-1)*Vaa'1(tco))-(Vaa'2(tco)) --> ((-1)*3.45)-((-7.11))
Evaluating ... ...
Vaa'0(tco) = 3.66
STEP 3: Convert Result to Output's Unit
3.66 Volt --> No Conversion Required
FINAL ANSWER
3.66 Volt <-- Zero Sequence Potential Difference in TCO
(Calculation completed in 00.020 seconds)

Credits

Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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6 Zero Sequence Calculators

Zero Sequence Current using A-Phase Current(Two Conductor Open)
Go Zero Sequence Current in TCO = A-Phase Current in TCO*(Positive Sequence Impedance in TCO/(Zero Sequence Impedance in TCO+Positive Sequence Impedance in TCO+Negative Sequence Impedance in TCO))
Zero Sequence Potential Difference (Two Conductor Open)
Go Zero Sequence Potential Difference in TCO = ((-1)*Positive Sequence Potential Difference in TCO)-(Negative Sequence Potential Difference in TCO)
Zero Sequence Potential Difference using Potential Difference between B-Phase(Two Conductor Open)
Go Zero Sequence Potential Difference in TCO = (Potential Difference between B Phase in TCO+Potential Difference between C Phase in TCO)/3
Zero Sequence Impedance using Zero Sequence Voltage (Two Conductor Open)
Go Zero Sequence Impedance in TCO = (-1)*Zero Sequence Voltage in TCO/Zero Sequence Current in TCO
Zero Sequence Voltage using Zero Sequence Current (Two Conductor Open)
Go Zero Sequence Voltage in TCO = (-1)*Zero Sequence Current in TCO*Zero Sequence Impedance in TCO
Zero Sequence Current using Zero Sequence Voltage (Two Conductor Open)
Go Zero Sequence Current in TCO = (-1)*Zero Sequence Voltage in TCO/Zero Sequence Impedance in TCO

Zero Sequence Potential Difference (Two Conductor Open) Formula

Zero Sequence Potential Difference in TCO = ((-1)*Positive Sequence Potential Difference in TCO)-(Negative Sequence Potential Difference in TCO)
Vaa'0(tco) = ((-1)*Vaa'1(tco))-(Vaa'2(tco))

What is two conductor open fault?

When two phases of a balanced three-phase line open it creates an unbalance in the system and results in the flow of unbalanced currents. Such conditions occur in the system when one or two conductors of a transmission line are broken due to storms or if fuses, isolators, or circuit breakers operate only on one or two phases leaving others connected.

How to Calculate Zero Sequence Potential Difference (Two Conductor Open)?

Zero Sequence Potential Difference (Two Conductor Open) calculator uses Zero Sequence Potential Difference in TCO = ((-1)*Positive Sequence Potential Difference in TCO)-(Negative Sequence Potential Difference in TCO) to calculate the Zero Sequence Potential Difference in TCO, The Zero Sequence Potential Difference (Two conductor open) formula is defined as consists of balanced three-phase potential differences, phasors of which all have the same phase angles and rotate counterclockwise together. Zero Sequence Potential Difference in TCO is denoted by Vaa'0(tco) symbol.

How to calculate Zero Sequence Potential Difference (Two Conductor Open) using this online calculator? To use this online calculator for Zero Sequence Potential Difference (Two Conductor Open), enter Positive Sequence Potential Difference in TCO (Vaa'1(tco)) & Negative Sequence Potential Difference in TCO (Vaa'2(tco)) and hit the calculate button. Here is how the Zero Sequence Potential Difference (Two Conductor Open) calculation can be explained with given input values -> 3.66 = ((-1)*3.45)-((-7.11)).

FAQ

What is Zero Sequence Potential Difference (Two Conductor Open)?
The Zero Sequence Potential Difference (Two conductor open) formula is defined as consists of balanced three-phase potential differences, phasors of which all have the same phase angles and rotate counterclockwise together and is represented as Vaa'0(tco) = ((-1)*Vaa'1(tco))-(Vaa'2(tco)) or Zero Sequence Potential Difference in TCO = ((-1)*Positive Sequence Potential Difference in TCO)-(Negative Sequence Potential Difference in TCO). Positive Sequence Potential Difference in TCO is defined as consisting of balanced 3-phase potential differences phasor which are exactly at 120 degrees in ABC rotation & Negative Sequence Potential Difference in TCO in open conductor fault is defined as consisting of balanced three-phase potential differences phasors which are exactly at 120 degree in ACB rotation.
How to calculate Zero Sequence Potential Difference (Two Conductor Open)?
The Zero Sequence Potential Difference (Two conductor open) formula is defined as consists of balanced three-phase potential differences, phasors of which all have the same phase angles and rotate counterclockwise together is calculated using Zero Sequence Potential Difference in TCO = ((-1)*Positive Sequence Potential Difference in TCO)-(Negative Sequence Potential Difference in TCO). To calculate Zero Sequence Potential Difference (Two Conductor Open), you need Positive Sequence Potential Difference in TCO (Vaa'1(tco)) & Negative Sequence Potential Difference in TCO (Vaa'2(tco)). With our tool, you need to enter the respective value for Positive Sequence Potential Difference in TCO & Negative Sequence Potential Difference in TCO 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 Zero Sequence Potential Difference in TCO?
In this formula, Zero Sequence Potential Difference in TCO uses Positive Sequence Potential Difference in TCO & Negative Sequence Potential Difference in TCO. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Zero Sequence Potential Difference in TCO = (Potential Difference between B Phase in TCO+Potential Difference between C Phase in TCO)/3
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