Zero Sequence Voltage for Star Connected Load Solution

STEP 0: Pre-Calculation Summary
Formula Used
Zero Sequence Voltage = (Star Impedance+3*Fault Impedance)*Zero Sequence Current
V0 = (Zy+3*Zf)*I0
This formula uses 4 Variables
Variables Used
Zero Sequence Voltage - (Measured in Volt) - Zero Sequence Voltage is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.
Star Impedance - (Measured in Ohm) - Star Impedance is defined as the impedance Of star connected network.
Fault Impedance - (Measured in Ohm) - Fault Impedance is defined as the impedance that caused the fault.
Zero Sequence Current - (Measured in Ampere) - Zero Sequence Current is consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
STEP 1: Convert Input(s) to Base Unit
Star Impedance: 4.12 Ohm --> 4.12 Ohm No Conversion Required
Fault Impedance: 7.86 Ohm --> 7.86 Ohm No Conversion Required
Zero Sequence Current: 2.19 Ampere --> 2.19 Ampere No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
V0 = (Zy+3*Zf)*I0 --> (4.12+3*7.86)*2.19
Evaluating ... ...
V0 = 60.663
STEP 3: Convert Result to Output's Unit
60.663 Volt --> No Conversion Required
FINAL ANSWER
60.663 Volt <-- Zero Sequence Voltage
(Calculation completed in 00.020 seconds)

Credits

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Vishwakarma Government Engineering College (VGEC), Ahmedabad
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12 Sequence Current & Voltage Calculators

Zero Sequence Current for Star Connected Load
Go Zero Sequence Current = Zero Sequence Voltage/(Star Impedance+(3*Fault Impedance))
Zero Sequence Voltage for Star Connected Load
Go Zero Sequence Voltage = (Star Impedance+3*Fault Impedance)*Zero Sequence Current
Symmetric Component Voltage using Sequence Impedance
Go Symmetric Component Voltage = Symmetric Component Current*Sequence Impedance
Symmetric Component Current using Sequence Impedance
Go Symmetric Component Current = Symmetric Component Voltage/Sequence Impedance
Positive Sequence Voltage for Delta Connected Load
Go Positive Sequence Voltage = (Delta Impedance*Positive Sequence Current)/3
Negative Sequence Voltage for Delta Connected Load
Go Negative Sequence Voltage = (Delta Impedance*Negative Sequence Current)/3
Positive Sequence Current for Delta Connected Load
Go Positive Sequence Current = (3*Positive Sequence Voltage)/Delta Impedance
Negative Phase Current for Delta Connected Load
Go Negative Sequence Current = (3*Negative Sequence Voltage)/Delta Impedance
Negative Sequence Voltage for Star Connected Load
Go Negative Sequence Voltage = Negative Sequence Current*Star Impedance
Positive Sequence Voltage for Star Connected Load
Go Positive Sequence Voltage = Star Impedance*Positive Sequence Current
Positive Sequence Current for Star Connected Load
Go Positive Sequence Current = Positive Sequence Voltage/Star Impedance
Negative Sequence Current for Star Connected Load
Go Negative Sequence Current = Negative Sequence Voltage/Star Impedance

Zero Sequence Voltage for Star Connected Load Formula

Zero Sequence Voltage = (Star Impedance+3*Fault Impedance)*Zero Sequence Current
V0 = (Zy+3*Zf)*I0

What are the Sequence Components?

The positive sequence consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation. The negative sequence consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation. Zero sequence consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.

How to Calculate Zero Sequence Voltage for Star Connected Load?

Zero Sequence Voltage for Star Connected Load calculator uses Zero Sequence Voltage = (Star Impedance+3*Fault Impedance)*Zero Sequence Current to calculate the Zero Sequence Voltage, The Zero Sequence Voltage for Star Connected Load formula is consists of balanced three-phase voltage phasors of which all have the same phase angles and rotate counterclockwise together. Zero Sequence Voltage is denoted by V0 symbol.

How to calculate Zero Sequence Voltage for Star Connected Load using this online calculator? To use this online calculator for Zero Sequence Voltage for Star Connected Load, enter Star Impedance (Zy), Fault Impedance (Zf) & Zero Sequence Current (I0) and hit the calculate button. Here is how the Zero Sequence Voltage for Star Connected Load calculation can be explained with given input values -> 60.5973 = (4.12+3*7.86)*2.19.

FAQ

What is Zero Sequence Voltage for Star Connected Load?
The Zero Sequence Voltage for Star Connected Load formula is consists of balanced three-phase voltage phasors of which all have the same phase angles and rotate counterclockwise together and is represented as V0 = (Zy+3*Zf)*I0 or Zero Sequence Voltage = (Star Impedance+3*Fault Impedance)*Zero Sequence Current. Star Impedance is defined as the impedance Of star connected network, Fault Impedance is defined as the impedance that caused the fault & Zero Sequence Current is consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
How to calculate Zero Sequence Voltage for Star Connected Load?
The Zero Sequence Voltage for Star Connected Load formula is consists of balanced three-phase voltage phasors of which all have the same phase angles and rotate counterclockwise together is calculated using Zero Sequence Voltage = (Star Impedance+3*Fault Impedance)*Zero Sequence Current. To calculate Zero Sequence Voltage for Star Connected Load, you need Star Impedance (Zy), Fault Impedance (Zf) & Zero Sequence Current (I0). With our tool, you need to enter the respective value for Star Impedance, Fault Impedance & Zero Sequence Current and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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