FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

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

GoPositive Sequence Voltage (LLF) Formula

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

Fx Copy

LaTeX Copy

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

V₁ - Positive Sequence Voltage?E_a - A Phase EMF?Z₂ - Negative Sequence Impedance?Z₁ - Positive Sequence Impedance?

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

With values

With units

Only example

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

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

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

35.7433 = \frac{29.38 \cdot -44.6}{7.94 + -44.6}

35.7433V = \frac{29.38V \cdot -44.6Ω}{7.94Ω + -44.6Ω}

35.7433 = \frac{29.38 \cdot -44.6}{7.94 + -44.6}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electrical » Category

Power System » fx Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF)

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

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

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

V 1 = \frac{29.38V \cdot -44.6Ω}{7.94Ω + -44.6Ω}

Next Step Prepare to Evaluate

∴

V 1 = \frac{29.38 \cdot -44.6}{7.94 + -44.6}

Next Step Evaluate

∴

V 1 = 35.7432624113475V

LAST Step Rounding Answer

∴

V 1 = 35.7433V

Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(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

Negative Sequence Impedance

Negative Sequence Impedance consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.

Symbol: Z₂

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Negative Sequence Impedance

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 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 Positive Sequence Current(LLF)

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

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 Sequence Impedances(LLF)?

Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF) evaluator uses Positive Sequence Voltage = (A Phase EMF*Negative Sequence Impedance)/(Positive Sequence Impedance+Negative Sequence Impedance) to evaluate the Positive Sequence Voltage, The Positive Sequence Voltage using A-phase EMF and Sequence Impedances(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 Sequence Impedances(LLF) using this online evaluator? To use this online evaluator for Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF), enter A Phase EMF (E_a), Negative Sequence Impedance (Z₂) & Positive Sequence Impedance (Z₁) and hit the calculate button.

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

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

The formula of Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF) is expressed as Positive Sequence Voltage = (A Phase EMF*Negative Sequence Impedance)/(Positive Sequence Impedance+Negative Sequence Impedance). Here is an example- 35.74326 = (29.38*(-44.6))/(7.94+(-44.6)).

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

With A Phase EMF (E_a), Negative Sequence Impedance (Z₂) & Positive Sequence Impedance (Z₁) we can find Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF) using the formula - Positive Sequence Voltage = (A Phase EMF*Negative Sequence Impedance)/(Positive Sequence Impedance+Negative Sequence Impedance).

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-Positive Sequence Impedance*Positive Sequence Current

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

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

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

Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(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 Sequence Impedances(LLF) can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit