Negative Sequence Voltage using A-Phase Current(Two Conductor Open) Solution

STEP 0: Pre-Calculation Summary
Formula Used
Negative Sequence Voltage in TCO = -A-Phase Current in TCO*((Positive Sequence Impedance in TCO*Negative Sequence Impedance in TCO)/(Zero Sequence Impedance in TCO+Positive Sequence Impedance in TCO+Negative Sequence Impedance in TCO))
V2(tco) = -Ia(tco)*((Z1(tco)*Z2(tco))/(Z0(tco)+Z1(tco)+Z2(tco)))
This formula uses 5 Variables
Variables Used
Negative Sequence Voltage in TCO - (Measured in Volt) - Negative Sequence Voltage in TCO in open conductor fault is consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart.
A-Phase Current in TCO - (Measured in Ampere) - A-Phase Current in TCO is the current that flows into the a-phase in open conductor fault.
Positive Sequence Impedance in TCO - (Measured in Ohm) - Positive Sequence Impedance in TCO 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 TCO - (Measured in Ohm) - Negative Sequence Impedance in TCO in open conductor fault is consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart.
Zero Sequence Impedance in TCO - (Measured in Ohm) - Zero Sequence Impedance in TCO is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together.
STEP 1: Convert Input(s) to Base Unit
A-Phase Current in TCO: 4.84 Ampere --> 4.84 Ampere No Conversion Required
Positive Sequence Impedance in TCO: 7.95 Ohm --> 7.95 Ohm No Conversion Required
Negative Sequence Impedance in TCO: 44.5 Ohm --> 44.5 Ohm No Conversion Required
Zero Sequence Impedance in TCO: 7.96 Ohm --> 7.96 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
V2(tco) = -Ia(tco)*((Z1(tco)*Z2(tco))/(Z0(tco)+Z1(tco)+Z2(tco))) --> -4.84*((7.95*44.5)/(7.96+7.95+44.5))
Evaluating ... ...
V2(tco) = -28.3441648733653
STEP 3: Convert Result to Output's Unit
-28.3441648733653 Volt --> No Conversion Required
FINAL ANSWER
-28.3441648733653 -28.344165 Volt <-- Negative Sequence Voltage in TCO
(Calculation completed in 00.020 seconds)

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Indian Institute of Technology,Roorlee (IITR), Roorkee
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Negative Sequence Calculators

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

Negative Sequence Voltage using A-Phase Current(Two Conductor Open) Formula

​LaTeX ​Go
Negative Sequence Voltage in TCO = -A-Phase Current in TCO*((Positive Sequence Impedance in TCO*Negative Sequence Impedance in TCO)/(Zero Sequence Impedance in TCO+Positive Sequence Impedance in TCO+Negative Sequence Impedance in TCO))
V2(tco) = -Ia(tco)*((Z1(tco)*Z2(tco))/(Z0(tco)+Z1(tco)+Z2(tco)))

What is the difference between positive and negative sequence?

Positive Sequence: A balanced three-phase system with the same phase sequence as the original sequence. Negative sequence: A balanced three-phase system with the opposite phase sequence as the original sequence.

How to Calculate Negative Sequence Voltage using A-Phase Current(Two Conductor Open)?

Negative Sequence Voltage using A-Phase Current(Two Conductor Open) calculator uses Negative Sequence Voltage in TCO = -A-Phase Current in TCO*((Positive Sequence Impedance in TCO*Negative Sequence Impedance in TCO)/(Zero Sequence Impedance in TCO+Positive Sequence Impedance in TCO+Negative Sequence Impedance in TCO)) to calculate the Negative Sequence Voltage in TCO, The Negative Sequence Voltage using A-phase current(Two conductor open) formula is defined as when a current or voltage unbalance between phases in magnitude or phase angle gives rise to negative and zero-sequence components. The negative sequence component has a rotation opposite that of the power system. Negative Sequence Voltage in TCO is denoted by V2(tco) symbol.

How to calculate Negative Sequence Voltage using A-Phase Current(Two Conductor Open) using this online calculator? To use this online calculator for Negative Sequence Voltage using A-Phase Current(Two Conductor Open), enter A-Phase Current in TCO (Ia(tco)), Positive Sequence Impedance in TCO (Z1(tco)), Negative Sequence Impedance in TCO (Z2(tco)) & Zero Sequence Impedance in TCO (Z0(tco)) and hit the calculate button. Here is how the Negative Sequence Voltage using A-Phase Current(Two Conductor Open) calculation can be explained with given input values -> -28.344165 = -4.84*((7.95*44.5)/(7.96+7.95+44.5)).

FAQ

What is Negative Sequence Voltage using A-Phase Current(Two Conductor Open)?
The Negative Sequence Voltage using A-phase current(Two conductor open) formula is defined as when a current or voltage unbalance between phases in magnitude or phase angle gives rise to negative and zero-sequence components. The negative sequence component has a rotation opposite that of the power system and is represented as V2(tco) = -Ia(tco)*((Z1(tco)*Z2(tco))/(Z0(tco)+Z1(tco)+Z2(tco))) or Negative Sequence Voltage in TCO = -A-Phase Current in TCO*((Positive Sequence Impedance in TCO*Negative Sequence Impedance in TCO)/(Zero Sequence Impedance in TCO+Positive Sequence Impedance in TCO+Negative Sequence Impedance in TCO)). A-Phase Current in TCO is the current that flows into the a-phase in open conductor fault, Positive Sequence Impedance in TCO 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 TCO in open conductor fault is consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart & Zero Sequence Impedance in TCO is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together.
How to calculate Negative Sequence Voltage using A-Phase Current(Two Conductor Open)?
The Negative Sequence Voltage using A-phase current(Two conductor open) formula is defined as when a current or voltage unbalance between phases in magnitude or phase angle gives rise to negative and zero-sequence components. The negative sequence component has a rotation opposite that of the power system is calculated using Negative Sequence Voltage in TCO = -A-Phase Current in TCO*((Positive Sequence Impedance in TCO*Negative Sequence Impedance in TCO)/(Zero Sequence Impedance in TCO+Positive Sequence Impedance in TCO+Negative Sequence Impedance in TCO)). To calculate Negative Sequence Voltage using A-Phase Current(Two Conductor Open), you need A-Phase Current in TCO (Ia(tco)), Positive Sequence Impedance in TCO (Z1(tco)), Negative Sequence Impedance in TCO (Z2(tco)) & Zero Sequence Impedance in TCO (Z0(tco)). With our tool, you need to enter the respective value for A-Phase Current in TCO, Positive Sequence Impedance in TCO, Negative Sequence Impedance in TCO & Zero Sequence Impedance 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 Negative Sequence Voltage in TCO?
In this formula, Negative Sequence Voltage in TCO uses A-Phase Current in TCO, Positive Sequence Impedance in TCO, Negative Sequence Impedance in TCO & Zero Sequence Impedance in TCO. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Negative Sequence Voltage in TCO = -(Negative Sequence Current in TCO*Negative Sequence Impedance in TCO)
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