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Zero Sequence Voltage using Phase Voltages(LGF) Formula

GoZero Sequence Voltage using A-Phase Current (LGF) Formula

GoZero Sequence Voltage for LGF Formula

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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

V 0(lg) = \frac{1}{3} \cdot (Z f(lg) \cdot I a(lg) + V b(lg) + V c(lg))

V_0(lg) - Zero Sequence Voltage LG?Z_f(lg) - Fault Impedance LG?I_a(lg) - A-Phase Current LG?V_b(lg) - B Phase Voltage LG?V_c(lg) - C Phase Voltage LG?

Zero Sequence Voltage using Phase Voltages(LGF) Example

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

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

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

12.2983 = \frac{1}{3} \cdot (1.5 \cdot 2.13 + 16.5 + 17.2)

12.2983V = \frac{1}{3} \cdot (1.5Ω \cdot 2.13A + 16.5V + 17.2V)

12.2983 = \frac{1}{3} \cdot (1.5 \cdot 2.13 + 16.5 + 17.2)

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Zero Sequence Voltage using Phase Voltages(LGF) Solution

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

FIRST Step Consider the formula

V 0(lg) = \frac{1}{3} \cdot (Z f(lg) \cdot I a(lg) + V b(lg) + V c(lg))

Next Step Substitute values of Variables

∴

V 0(lg) = \frac{1}{3} \cdot (1.5Ω \cdot 2.13A + 16.5V + 17.2V)

Next Step Prepare to Evaluate

∴

V 0(lg) = \frac{1}{3} \cdot (1.5 \cdot 2.13 + 16.5 + 17.2)

Next Step Evaluate

∴

V 0(lg) = 12.2983333333333V

LAST Step Rounding Answer

∴

V 0(lg) = 12.2983V

Zero Sequence Voltage using Phase Voltages(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: V_0(lg)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Zero Sequence 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

B Phase Voltage LG

B phase Voltage LG is defined as the voltage of b-phase.

Symbol: V_b(lg)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find B Phase Voltage LG

C Phase Voltage LG

C phase Voltage LG is defined as the voltage of c-phase.

Symbol: V_c(lg)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find C Phase Voltage LG

Other Formulas to find Zero Sequence Voltage LG

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 Zero Sequence Voltage for LGF

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

Go Zero Sequence Voltage using Positive Sequence Current

V 0(lg) = (3 \cdot Z f(lg) \cdot I 1(lg)) - V 2(lg) - V 1(lg)

Other formulas in Voltage and EMF category

Go A-Phase Voltage(LGF)

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

Go Positive Sequence Voltage for L-G-F

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

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

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

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

E a(lg) = I 0(lg) \cdot ((3 \cdot Z f(lg)) + Z 0(lg) + Z 1(lg) + Z 2(lg))

How to Evaluate Zero Sequence Voltage using Phase Voltages(LGF)?

Zero Sequence Voltage using Phase Voltages(LGF) evaluator uses Zero Sequence Voltage LG = 1/3*(Fault Impedance LG*A-Phase Current LG+B Phase Voltage LG+C Phase Voltage LG) to evaluate the Zero Sequence Voltage LG, The Zero Sequence Voltage using Phase Voltages(LGF) formula consists of balanced three-phase voltage phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ABC rotation. Zero Sequence Voltage LG is denoted by V_0(lg) symbol.

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

FAQs on Zero Sequence Voltage using Phase Voltages(LGF)

What is the formula to find Zero Sequence Voltage using Phase Voltages(LGF)?

The formula of Zero Sequence Voltage using Phase Voltages(LGF) is expressed as Zero Sequence Voltage LG = 1/3*(Fault Impedance LG*A-Phase Current LG+B Phase Voltage LG+C Phase Voltage LG). Here is an example- 12.29833 = 1/3*(1.5*2.13+16.5+17.2).

How to calculate Zero Sequence Voltage using Phase Voltages(LGF)?

With Fault Impedance LG (Z_f(lg)), A-Phase Current LG (I_a(lg)), B Phase Voltage LG (V_b(lg)) & C Phase Voltage LG (V_c(lg)) we can find Zero Sequence Voltage using Phase Voltages(LGF) using the formula - Zero Sequence Voltage LG = 1/3*(Fault Impedance LG*A-Phase Current LG+B Phase Voltage LG+C Phase 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=(Fault Impedance LG*A-Phase Current LG)-(Negative Sequence Voltage LG)-(Positive Sequence Voltage LG)
Zero Sequence Voltage LG=-Zero Sequence Impedance LG*Zero Sequence Current LG
Zero Sequence Voltage LG=(3*Fault Impedance LG*Positive Sequence Current LG)-Negative Sequence Voltage LG-Positive Sequence Voltage LG

Can the Zero Sequence Voltage using Phase Voltages(LGF) be negative?

Yes, the Zero Sequence Voltage using Phase Voltages(LGF), measured in Electric Potential can be negative.

Which unit is used to measure Zero Sequence Voltage using Phase Voltages(LGF)?

Zero Sequence Voltage using Phase Voltages(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 Phase Voltages(LGF) can be measured.

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Zero Sequence Voltage using Phase Voltages(LGF) Formula

​GoZero Sequence Voltage using A-Phase Current (LGF) Formula

​GoZero Sequence Voltage for LGF Formula

Zero Sequence Voltage using Phase Voltages(LGF) Example

Zero Sequence Voltage using Phase Voltages(LGF) Solution

Zero Sequence Voltage using Phase Voltages(LGF) Formula Elements

Other Formulas to find Zero Sequence Voltage LG

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How to Evaluate Zero Sequence Voltage using Phase Voltages(LGF)?

FAQs on Zero Sequence Voltage using Phase Voltages(LGF)

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GoZero Sequence Voltage using A-Phase Current (LGF) Formula

GoZero Sequence Voltage for LGF Formula