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A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Formula

GoA-Phase EMF using Positive Sequence Voltage (One Conductor Open) Formula

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A phase EMF in OCO is defined as the electromagnetic force of the a-phase in open conductor fault. Check FAQs

E a(oco) = I 1(oco) \cdot (Z 1(oco) + (\frac{Z 0(oco) \cdot Z 2(oco)}{Z 0(oco) + Z 2(oco)}))

E_a(oco) - A Phase EMF in OCO?I_1(oco) - Positive Sequence Current in OCO?Z_1(oco) - Positive Sequence Impedance in OCO?Z_0(oco) - Zero Sequence Impedance in OCO?Z_2(oco) - Negative Sequence Impedance in OCO?

A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Example

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Here is how the A-Phase EMF using Zero Sequence Impedance (One Conductor Open) equation looks like with Values.

Here is how the A-Phase EMF using Zero Sequence Impedance (One Conductor Open) equation looks like with Units.

Here is how the A-Phase EMF using Zero Sequence Impedance (One Conductor Open) equation looks like.

29.4613 = 2.001 \cdot (7.94 + (\frac{8 \cdot 44.6}{8 + 44.6}))

29.4613V = 2.001A \cdot (7.94Ω + (\frac{8Ω \cdot 44.6Ω}{8Ω + 44.6Ω}))

29.4613 = 2.001 \cdot (7.94 + (\frac{8 \cdot 44.6}{8 + 44.6}))

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A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Solution

Follow our step by step solution on how to calculate A-Phase EMF using Zero Sequence Impedance (One Conductor Open)?

FIRST Step Consider the formula

E a(oco) = I 1(oco) \cdot (Z 1(oco) + (\frac{Z 0(oco) \cdot Z 2(oco)}{Z 0(oco) + Z 2(oco)}))

Next Step Substitute values of Variables

∴

E a(oco) = 2.001A \cdot (7.94Ω + (\frac{8Ω \cdot 44.6Ω}{8Ω + 44.6Ω}))

Next Step Prepare to Evaluate

∴

E a(oco) = 2.001 \cdot (7.94 + (\frac{8 \cdot 44.6}{8 + 44.6}))

Next Step Evaluate

∴

E a(oco) = 29.4612631939164V

LAST Step Rounding Answer

∴

E a(oco) = 29.4613V

A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Formula Elements

Variables

A Phase EMF in OCO

A phase EMF in OCO is defined as the electromagnetic force of the a-phase in open conductor fault.

Symbol: E_a(oco)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find A Phase EMF in OCO

Positive Sequence Current in OCO

Positive Sequence Current in OCO is consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.

Symbol: I_1(oco)

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Positive Sequence Current in OCO

Positive Sequence Impedance in OCO

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.

Symbol: Z_1(oco)

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Positive Sequence Impedance in OCO

Zero Sequence Impedance in OCO

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.

Symbol: Z_0(oco)

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Zero Sequence Impedance in OCO

Negative Sequence Impedance in OCO

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.

Symbol: Z_2(oco)

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Negative Sequence Impedance in OCO

Other Formulas to find A Phase EMF in OCO

Go A-Phase EMF using Positive Sequence Voltage (One Conductor Open)

E a(oco) = V 1(oco) + I 1(oco) \cdot Z 1(oco)

Other formulas in One Conductor Open category

Go Potential Difference between A-Phase using Zero Sequence Potential Difference (One Conductor Open)

Vaa' (oco) = \frac{Vaa' 0(oco)}{3}

Go Potential Difference between A-Phase and Neutral (One Conductor Open)

V a(oco) = V 0(oco) + V 1(oco) + V 2(oco)

Go B-Phase Current (One Conductor Open)

I b(oco) = 3 \cdot I 0(oco) - I c(oco)

Go C-Phase Current (One Conductor Open)

I c(oco) = 3 \cdot I 0(oco) - I b(oco)

How to Evaluate A-Phase EMF using Zero Sequence Impedance (One Conductor Open)?

A-Phase EMF using Zero Sequence Impedance (One Conductor Open) evaluator uses A Phase EMF in OCO = Positive Sequence Current in OCO*(Positive Sequence Impedance in OCO+((Zero Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/(Zero Sequence Impedance in OCO+Negative Sequence Impedance in OCO))) to evaluate the A Phase EMF in OCO, The a-phase EMF using Zero Sequence Impedance (One conductor open) formula is defined as the concept of zero sequence impedance is used to analyze the flow of zero sequence currents. Zero sequence currents are those that are equal and in phase in all three phases (A, B, and C) of the system. These currents typically arise due to ground faults and unbalanced loads. The zero sequence impedance of a three-phase system is denoted by Z0 and is a complex quantity that takes into account the system's resistance and reactance for zero sequence currents. A Phase EMF in OCO is denoted by E_a(oco) symbol.

How to evaluate A-Phase EMF using Zero Sequence Impedance (One Conductor Open) using this online evaluator? To use this online evaluator for A-Phase EMF using Zero Sequence Impedance (One Conductor Open), enter Positive Sequence Current in OCO (I_1(oco)), Positive Sequence Impedance in OCO (Z_1(oco)), Zero Sequence Impedance in OCO (Z_0(oco)) & Negative Sequence Impedance in OCO (Z_2(oco)) and hit the calculate button.

FAQs on A-Phase EMF using Zero Sequence Impedance (One Conductor Open)

What is the formula to find A-Phase EMF using Zero Sequence Impedance (One Conductor Open)?

The formula of A-Phase EMF using Zero Sequence Impedance (One Conductor Open) is expressed as A Phase EMF in OCO = Positive Sequence Current in OCO*(Positive Sequence Impedance in OCO+((Zero Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/(Zero Sequence Impedance in OCO+Negative Sequence Impedance in OCO))). Here is an example- 29.36043 = 2.001*(7.94+((8*44.6)/(8+44.6))).

How to calculate A-Phase EMF using Zero Sequence Impedance (One Conductor Open)?

With Positive Sequence Current in OCO (I_1(oco)), Positive Sequence Impedance in OCO (Z_1(oco)), Zero Sequence Impedance in OCO (Z_0(oco)) & Negative Sequence Impedance in OCO (Z_2(oco)) we can find A-Phase EMF using Zero Sequence Impedance (One Conductor Open) using the formula - A Phase EMF in OCO = Positive Sequence Current in OCO*(Positive Sequence Impedance in OCO+((Zero Sequence Impedance in OCO*Negative Sequence Impedance in OCO)/(Zero Sequence Impedance in OCO+Negative Sequence Impedance in OCO))).

What are the other ways to Calculate A Phase EMF in OCO?

Here are the different ways to Calculate A Phase EMF in OCO-

A Phase EMF in OCO=Positive Sequence Voltage in OCO+Positive Sequence Current in OCO*Positive Sequence Impedance in OCO

Can the A-Phase EMF using Zero Sequence Impedance (One Conductor Open) be negative?

Yes, the A-Phase EMF using Zero Sequence Impedance (One Conductor Open), measured in Electric Potential can be negative.

Which unit is used to measure A-Phase EMF using Zero Sequence Impedance (One Conductor Open)?

A-Phase EMF using Zero Sequence Impedance (One Conductor Open) is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which A-Phase EMF using Zero Sequence Impedance (One Conductor Open) can be measured.

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A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Formula

​GoA-Phase EMF using Positive Sequence Voltage (One Conductor Open) Formula

A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Example

A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Solution

A-Phase EMF using Zero Sequence Impedance (One Conductor Open) Formula Elements

Other Formulas to find A Phase EMF in OCO

Other formulas in One Conductor Open category

How to Evaluate A-Phase EMF using Zero Sequence Impedance (One Conductor Open)?

FAQs on A-Phase EMF using Zero Sequence Impedance (One Conductor Open)

Variable Name

GoA-Phase EMF using Positive Sequence Voltage (One Conductor Open) Formula