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Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) Formula

GoPositive Sequence Voltage (LLF) Formula

GoPositive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF) Formula

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

V 1 = E a - Z 1 \cdot I 1

V₁ - Positive Sequence Voltage?E_a - A Phase EMF?Z₁ - Positive Sequence Impedance?I₁ - Positive Sequence Current?

Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) Example

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Here is how the Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) equation looks like with Values.

Here is how the Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) equation looks like with Units.

Here is how the Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) equation looks like.

13.4921 = 29.38 - 7.94 \cdot 2.001

13.4921V = 29.38V - 7.94Ω \cdot 2.001A

13.4921 = 29.38 - 7.94 \cdot 2.001

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Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) Solution

Follow our step by step solution on how to calculate Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF)?

FIRST Step Consider the formula

V 1 = E a - Z 1 \cdot I 1

Next Step Substitute values of Variables

∴

V 1 = 29.38V - 7.94Ω \cdot 2.001A

Next Step Prepare to Evaluate

∴

V 1 = 29.38 - 7.94 \cdot 2.001

Next Step Evaluate

∴

V 1 = 13.49206V

LAST Step Rounding Answer

∴

V 1 = 13.4921V

Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) Formula Elements

Variables

Positive Sequence Voltage

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

Symbol: V₁

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Positive Sequence Voltage

A Phase EMF

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

Symbol: E_a

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find A Phase EMF

Positive Sequence Impedance

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

Symbol: Z₁

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Positive Sequence Impedance

Positive Sequence Current

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

Symbol: I₁

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Positive Sequence Current

Other Formulas to find Positive Sequence Voltage

Go Positive Sequence Voltage (LLF)

V 1 = (Z f \cdot I 1) + V 2

Go Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF)

V 1 = \frac{E a \cdot Z 2}{Z 1 + Z 2}

Other formulas in Voltage and EMF category

Go B-Phase Voltage (LLF)

V b = (Z f \cdot I b) + V c

Go C-Phase Voltage (LLF)

V c = V b - (Z f \cdot I b)

Go C-Phase Voltage using C-Phase Current (LLF)

V c = V b + (Z f \cdot I c)

Go B-Phase Voltage using C-Phase Current (LLF)

V b = V c - (Z f \cdot I c)

How to Evaluate Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF)?

Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) evaluator uses Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current to evaluate the Positive Sequence Voltage, The Positive Sequence Voltage using A-phase EMF and Positive Sequence Current(LLF) formula is defined as the voltage that is present in one phase of a three-phase electrical power system with respect to the positive sequence components of the system. Positive Sequence Voltage is denoted by V₁ symbol.

How to evaluate Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) using this online evaluator? To use this online evaluator for Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF), enter A Phase EMF (E_a), Positive Sequence Impedance (Z₁) & Positive Sequence Current (I₁) and hit the calculate button.

FAQs on Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF)

What is the formula to find Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF)?

The formula of Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) is expressed as Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current. Here is an example- 13.49206 = 29.38-7.94*2.001.

How to calculate Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF)?

With A Phase EMF (E_a), Positive Sequence Impedance (Z₁) & Positive Sequence Current (I₁) we can find Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) using the formula - Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current.

What are the other ways to Calculate Positive Sequence Voltage?

Here are the different ways to Calculate Positive Sequence Voltage-

Positive Sequence Voltage=(Fault Impedance*Positive Sequence Current)+Negative Sequence Voltage
Positive Sequence Voltage=(A Phase EMF*Negative Sequence Impedance)/(Positive Sequence Impedance+Negative Sequence Impedance)

Can the Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) be negative?

No, the Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF), measured in Electric Potential cannot be negative.

Which unit is used to measure Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF)?

Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF) can be measured.

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