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A-Phase Voltage(LGF) Formula

GoA-Phase Voltage using Sequence Voltages(LGF) Formula

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A phase voltage LG is the voltage of a-phase in open conductor fault. Check FAQs

V a(lg) = Z f(lg) \cdot I a(lg)

V_a(lg) - A Phase Voltage LG?Z_f(lg) - Fault Impedance LG?I_a(lg) - A-Phase Current LG?

A-Phase Voltage(LGF) Example

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

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

Here is how the A-Phase Voltage(LGF) equation looks like.

3.195 = 1.5 \cdot 2.13

3.195V = 1.5Ω \cdot 2.13A

3.195 = 1.5 \cdot 2.13

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A-Phase Voltage(LGF) Solution

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

FIRST Step Consider the formula

V a(lg) = Z f(lg) \cdot I a(lg)

Next Step Substitute values of Variables

∴

V a(lg) = 1.5Ω \cdot 2.13A

Next Step Prepare to Evaluate

∴

V a(lg) = 1.5 \cdot 2.13

LAST Step Evaluate

∴

V a(lg) = 3.195V

A-Phase Voltage(LGF) Formula Elements

Variables

A Phase Voltage LG

A phase voltage LG is the voltage of a-phase in open conductor fault.

Symbol: V_a(lg)

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find A Phase Voltage LG

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: Z_f(lg)

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Fault Impedance LG

A-Phase Current LG

A-phase Current LG is the current that flows into the a-phase in open conductor fault.

Symbol: I_a(lg)

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find A-Phase Current LG

Other Formulas to find A Phase Voltage LG

Go A-Phase Voltage using Sequence Voltages(LGF)

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

Other formulas in Voltage and EMF category

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

V 0(lg) = (Z f(lg) \cdot I a(lg)) - (V 2(lg)) - (V 1(lg))

Go Positive Sequence Voltage for L-G-F

V 1(lg) = E 1(lg) - (Z 1(lg) \cdot I 1(lg))

Go Zero Sequence Voltage for LGF

V 0(lg) = - Z 0(lg) \cdot I 0(lg)

Go A-Phase EMF using Positive Sequence Voltage (LGF)

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

How to Evaluate A-Phase Voltage(LGF)?

A-Phase Voltage(LGF) evaluator uses A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG to evaluate the A Phase Voltage LG, The a-phase Voltage(LGF) formula is defined as The voltage measured between any line and neutral is called phase voltage. here we have taken the a-phase. A Phase Voltage LG is denoted by V_a(lg) symbol.

How to evaluate A-Phase Voltage(LGF) using this online evaluator? To use this online evaluator for A-Phase Voltage(LGF), enter Fault Impedance LG (Z_f(lg)) & A-Phase Current LG (I_a(lg)) and hit the calculate button.

FAQs on A-Phase Voltage(LGF)

What is the formula to find A-Phase Voltage(LGF)?

The formula of A-Phase Voltage(LGF) is expressed as A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG. Here is an example- 3.195 = 1.5*2.13.

How to calculate A-Phase Voltage(LGF)?

With Fault Impedance LG (Z_f(lg)) & A-Phase Current LG (I_a(lg)) we can find A-Phase Voltage(LGF) using the formula - A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG.

What are the other ways to Calculate A Phase Voltage LG?

Here are the different ways to Calculate A Phase Voltage LG-

A Phase Voltage LG=Zero Sequence Voltage LG+Positive Sequence Voltage LG+Negative Sequence Voltage LG

Can the A-Phase Voltage(LGF) be negative?

No, the A-Phase Voltage(LGF), measured in Electric Potential cannot be negative.

Which unit is used to measure A-Phase Voltage(LGF)?

A-Phase Voltage(LGF) 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 Voltage(LGF) can be measured.

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