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Zero Sequence Voltage LG consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together. Check FAQs
V0(lg)=(Zf(lg)⋅Ia(lg))-(V2(lg))-(V1(lg))
V0(lg) - Zero Sequence Voltage LG?Zf(lg) - Fault Impedance LG?Ia(lg) - A-Phase Current LG?V2(lg) - Negative Sequence Voltage LG?V1(lg) - Positive Sequence Voltage LG?

Zero Sequence Voltage using A-Phase Current (LGF) Example

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Here is how the Zero Sequence Voltage using A-Phase Current (LGF) equation looks like with Values.

Here is how the Zero Sequence Voltage using A-Phase Current (LGF) equation looks like with Units.

Here is how the Zero Sequence Voltage using A-Phase Current (LGF) equation looks like.

-30.361Edit=(1.5Edit⋅2.13Edit)-(16.056Edit)-(17.5Edit)
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HomeIcon Home » Category Engineering » Category Electrical » Category Power System » fx Zero Sequence Voltage using A-Phase Current (LGF)

Zero Sequence Voltage using A-Phase Current (LGF) Solution

Follow our step by step solution on how to calculate Zero Sequence Voltage using A-Phase Current (LGF)?

FIRST Step Consider the formula
V0(lg)=(Zf(lg)⋅Ia(lg))-(V2(lg))-(V1(lg))
Next Step Substitute values of Variables
∴ V0(lg)=(1.5Ω⋅2.13A)-(16.056V)-(17.5V)
Next Step Prepare to Evaluate
∴ V0(lg)=(1.5⋅2.13)-(16.056)-(17.5)
LAST Step Evaluate
∴V0(lg)=-30.361V

Zero Sequence Voltage using A-Phase Current (LGF) Formula Elements

Variables
Zero Sequence Voltage LG
Zero Sequence Voltage LG consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.
Symbol: V0(lg)
Measurement: Electric PotentialUnit: V
Note: Value can be positive or negative.
Formulas to find Zero Sequence Voltage LGOpen Variable
Fault Impedance LG
Fault Impedance LG is a measure of the resistance and reactance in an electrical circuit that is used to calculate the fault current that flows through the circuit in the event of a fault.
Symbol: Zf(lg)
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.
Formulas to find Fault Impedance LGOpen Variable
A-Phase Current LG
A-phase Current LG is the current that flows into the a-phase in open conductor fault.
Symbol: Ia(lg)
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find A-Phase Current LGOpen Variable
Negative Sequence Voltage LG
Negative Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
Symbol: V2(lg)
Measurement: Electric PotentialUnit: V
Note: Value can be positive or negative.
Formulas to find Negative Sequence Voltage LGOpen Variable
Positive Sequence Voltage LG
Positive Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Symbol: V1(lg)
Measurement: Electric PotentialUnit: V
Note: Value should be greater than 0.
Formulas to find Positive Sequence Voltage LGOpen Variable

Other Formulas to find Zero Sequence Voltage LG

​Go Zero Sequence Voltage for LGF
V0(lg)=-Z0(lg)⋅I0(lg)
​Go Zero Sequence Voltage using Phase Voltages(LGF)
V0(lg)=13⋅(Zf(lg)⋅Ia(lg)+Vb(lg)+Vc(lg))
​Go Zero Sequence Voltage using Positive Sequence Current
V0(lg)=(3⋅Zf(lg)⋅I1(lg))-V2(lg)-V1(lg)

Other formulas in Voltage and EMF category

​Go A-Phase Voltage(LGF)
Va(lg)=Zf(lg)⋅Ia(lg)
​Go Positive Sequence Voltage for L-G-F
V1(lg)=E1(lg)-(Z1(lg)⋅I1(lg))
​Go A-Phase EMF using Positive Sequence Voltage (LGF)
Ea(lg)=V1(lg)+(Z1(lg)⋅I1(lg))
​Go A-Phase EMF using Zero Sequence Current (LGF)
Ea(lg)=I0(lg)⋅((3⋅Zf(lg))+Z0(lg)+Z1(lg)+Z2(lg))

How to Evaluate Zero Sequence Voltage using A-Phase Current (LGF)?

Zero Sequence Voltage using A-Phase Current (LGF) evaluator uses Zero Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-(Negative Sequence Voltage LG)-(Positive Sequence Voltage LG) to evaluate the Zero Sequence Voltage LG, The Zero Sequence Voltage using a-phase current (LGF) formula is defined as consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together. Zero Sequence Voltage LG is denoted by V0(lg) symbol.

How to evaluate Zero Sequence Voltage using A-Phase Current (LGF) using this online evaluator? To use this online evaluator for Zero Sequence Voltage using A-Phase Current (LGF), enter Fault Impedance LG (Zf(lg)), A-Phase Current LG (Ia(lg)), Negative Sequence Voltage LG (V2(lg)) & Positive Sequence Voltage LG (V1(lg)) and hit the calculate button.

FAQs on Zero Sequence Voltage using A-Phase Current (LGF)

What is the formula to find Zero Sequence Voltage using A-Phase Current (LGF)?
The formula of Zero Sequence Voltage using A-Phase Current (LGF) is expressed as Zero Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-(Negative Sequence Voltage LG)-(Positive Sequence Voltage LG). Here is an example- -30.361 = (1.5*2.13)-(16.056)-(17.5).
How to calculate Zero Sequence Voltage using A-Phase Current (LGF)?
With Fault Impedance LG (Zf(lg)), A-Phase Current LG (Ia(lg)), Negative Sequence Voltage LG (V2(lg)) & Positive Sequence Voltage LG (V1(lg)) we can find Zero Sequence Voltage using A-Phase Current (LGF) using the formula - Zero Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-(Negative Sequence Voltage LG)-(Positive Sequence Voltage LG).
What are the other ways to Calculate Zero Sequence Voltage LG?
Here are the different ways to Calculate Zero Sequence Voltage LG-
  • Zero Sequence Voltage LG=-Zero Sequence Impedance LG*Zero Sequence Current LGOpenImg
  • Zero Sequence Voltage LG=1/3*(Fault Impedance LG*A-Phase Current LG+B Phase Voltage LG+C Phase Voltage LG)OpenImg
  • Zero Sequence Voltage LG=(3*Fault Impedance LG*Positive Sequence Current LG)-Negative Sequence Voltage LG-Positive Sequence Voltage LGOpenImg
Can the Zero Sequence Voltage using A-Phase Current (LGF) be negative?
Yes, the Zero Sequence Voltage using A-Phase Current (LGF), measured in Electric Potential can be negative.
Which unit is used to measure Zero Sequence Voltage using A-Phase Current (LGF)?
Zero Sequence Voltage using A-Phase Current (LGF) is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Zero Sequence Voltage using A-Phase Current (LGF) can be measured.
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