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A-Phase EMF using Positive Sequence Voltage (LLGF) Formula

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

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

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

A-Phase EMF using Positive Sequence Voltage (LLGF) Example

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

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

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

33.3879 = 17.5 + (2.001 \cdot 7.94)

33.3879V = 17.5V + (2.001A \cdot 7.94Ω)

33.3879 = 17.5 + (2.001 \cdot 7.94)

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A-Phase EMF using Positive Sequence Voltage (LLGF) Solution

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

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

E a = 17.5V + (2.001A \cdot 7.94Ω)

Next Step Prepare to Evaluate

∴

E a = 17.5 + (2.001 \cdot 7.94)

Next Step Evaluate

∴

E a = 33.38794V

LAST Step Rounding Answer

∴

E a = 33.3879V

A-Phase EMF using Positive Sequence Voltage (LLGF) Formula Elements

Variables

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 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

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

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

Other formulas in Voltage and EMF category

Go B-Phase Voltage using Fault Current (LLGF)

V b = Z f \cdot I f

Go C-Phase Voltage using Fault Current (LLGF)

V c = I f \cdot Z f

Go B-Phase Voltage using Zero Sequence Current (LLGF)

V b = 3 \cdot I 0 \cdot Z f

Go C-Phase Voltage using Zero Sequence Current (LLGF)

V c = 3 \cdot I 0 \cdot Z f

How to Evaluate A-Phase EMF using Positive Sequence Voltage (LLGF)?

A-Phase EMF using Positive Sequence Voltage (LLGF) evaluator uses A Phase EMF = Positive Sequence Voltage+(Positive Sequence Current*Positive Sequence Impedance) to evaluate the A Phase EMF, The a-phase EMF using positive sequence voltage (LLGF) formula is defined as the electromotive force produced by positive Sequence Voltage. A Phase EMF is denoted by E_a symbol.

How to evaluate A-Phase EMF using Positive Sequence Voltage (LLGF) using this online evaluator? To use this online evaluator for A-Phase EMF using Positive Sequence Voltage (LLGF), enter Positive Sequence Voltage (V₁), Positive Sequence Current (I₁) & Positive Sequence Impedance (Z₁) and hit the calculate button.

FAQs on A-Phase EMF using Positive Sequence Voltage (LLGF)

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

The formula of A-Phase EMF using Positive Sequence Voltage (LLGF) is expressed as A Phase EMF = Positive Sequence Voltage+(Positive Sequence Current*Positive Sequence Impedance). Here is an example- 29.38794 = 17.5+(2.001*7.94).

How to calculate A-Phase EMF using Positive Sequence Voltage (LLGF)?

With Positive Sequence Voltage (V₁), Positive Sequence Current (I₁) & Positive Sequence Impedance (Z₁) we can find A-Phase EMF using Positive Sequence Voltage (LLGF) using the formula - A Phase EMF = Positive Sequence Voltage+(Positive Sequence Current*Positive Sequence Impedance).

Can the A-Phase EMF using Positive Sequence Voltage (LLGF) be negative?

Yes, the A-Phase EMF using Positive Sequence Voltage (LLGF), measured in Electric Potential can be negative.

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

A-Phase EMF using Positive Sequence Voltage (LLGF) 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 Positive Sequence Voltage (LLGF) can be measured.

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