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A-Phase Current (Two Conductor Open) Formula

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A-Phase Current in TCO is the current that flows into the a-phase in open conductor fault. Check FAQs
Ia(tco)=I1(tco)+I2(tco)+I0(tco)
Ia(tco) - A-Phase Current in TCO?I1(tco) - Positive Sequence Current in TCO?I2(tco) - Negative Sequence Current in TCO?I0(tco) - Zero Sequence Current in TCO?

A-Phase Current (Two Conductor Open) Example

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Here is how the A-Phase Current (Two Conductor Open) equation looks like with Values.

Here is how the A-Phase Current (Two Conductor Open) equation looks like with Units.

Here is how the A-Phase Current (Two Conductor Open) equation looks like.

4.84Edit=2.01Edit+0.64Edit+2.19Edit
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A-Phase Current (Two Conductor Open) Solution

Follow our step by step solution on how to calculate A-Phase Current (Two Conductor Open)?

FIRST Step Consider the formula
Ia(tco)=I1(tco)+I2(tco)+I0(tco)
Next Step Substitute values of Variables
∴ Ia(tco)=2.01A+0.64A+2.19A
Next Step Prepare to Evaluate
∴ Ia(tco)=2.01+0.64+2.19
LAST Step Evaluate
∴Ia(tco)=4.84A

A-Phase Current (Two Conductor Open) Formula Elements

Variables
A-Phase Current in TCO
A-Phase Current in TCO is the current that flows into the a-phase in open conductor fault.
Symbol: Ia(tco)
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find A-Phase Current in TCOOpen Variable
Positive Sequence Current in TCO
Positive Sequence Current in TCO is consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Symbol: I1(tco)
Measurement: Electric CurrentUnit: A
Note: Value should be greater than 0.
Formulas to find Positive Sequence Current in TCOOpen Variable
Negative Sequence Current in TCO
Negative Sequence Current in TCO in open conductor fault is consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
Symbol: I2(tco)
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find Negative Sequence Current in TCOOpen Variable
Zero Sequence Current in TCO
Zero Sequence Current in TCO is consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
Symbol: I0(tco)
Measurement: Electric CurrentUnit: A
Note: Value should be greater than 0.
Formulas to find Zero Sequence Current in TCOOpen Variable

Other formulas in Two Conductor Open category

​Go Potential Difference between C-Phase (Two Conductor Open)
Vcc'(tco)=(3⋅Vaa'0(tco))-Vbb'(tco)
​Go A-Phase Voltage using Sequence Voltages (Two Conductor Open)
Va(tco)=V1(tco)+V2(tco)+V0(tco)
​Go A-Phase EMF using Positive Sequence Current (Two Conductor Open)
Ea(tco)=I1(tco)⋅(Z1(tco)+Z2(tco)+Z0(tco))
​Go Potential Difference between B-Phase (Two Conductor Open)
Vbb'(tco)=3⋅Vaa'0(tco)-Vcc'(tco)

How to Evaluate A-Phase Current (Two Conductor Open)?

A-Phase Current (Two Conductor Open) evaluator uses A-Phase Current in TCO = Positive Sequence Current in TCO+Negative Sequence Current in TCO+Zero Sequence Current in TCO to evaluate the A-Phase Current in TCO, The a-phase Current (Two conductor open) formula is defined as the current through any one component comprising a three-phase source or load. here we have taken the a-phase. A-Phase Current in TCO is denoted by Ia(tco) symbol.

How to evaluate A-Phase Current (Two Conductor Open) using this online evaluator? To use this online evaluator for A-Phase Current (Two Conductor Open), enter Positive Sequence Current in TCO (I1(tco)), Negative Sequence Current in TCO (I2(tco)) & Zero Sequence Current in TCO (I0(tco)) and hit the calculate button.

FAQs on A-Phase Current (Two Conductor Open)

What is the formula to find A-Phase Current (Two Conductor Open)?
The formula of A-Phase Current (Two Conductor Open) is expressed as A-Phase Current in TCO = Positive Sequence Current in TCO+Negative Sequence Current in TCO+Zero Sequence Current in TCO. Here is an example- 4.84 = 2.01+0.64+2.19.
How to calculate A-Phase Current (Two Conductor Open)?
With Positive Sequence Current in TCO (I1(tco)), Negative Sequence Current in TCO (I2(tco)) & Zero Sequence Current in TCO (I0(tco)) we can find A-Phase Current (Two Conductor Open) using the formula - A-Phase Current in TCO = Positive Sequence Current in TCO+Negative Sequence Current in TCO+Zero Sequence Current in TCO.
Can the A-Phase Current (Two Conductor Open) be negative?
Yes, the A-Phase Current (Two Conductor Open), measured in Electric Current can be negative.
Which unit is used to measure A-Phase Current (Two Conductor Open)?
A-Phase Current (Two Conductor Open) is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which A-Phase Current (Two Conductor Open) can be measured.
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