Negative Sequence Current (2OC) Calculator

Category	Engineering ↺
Engineering	Electrical ↺
Electrical	Power System ↺
Power-System	Open conductor fault ↺
Open-Conductor-Fault-	Two conductors open ↺

✖a-phase current is the current that flows into the a_phase.ⓘ a-phase Current [Ia]

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-10%

✖Negative Sequence Current consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.ⓘ Negative Sequence Current (2OC) [I2]

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Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has created this Calculator and 500+ more calculators!

Payal Priya

Birsa Institute of Technology (BIT), Sindri

Payal Priya has verified this Calculator and 500+ more calculators!

< 11 Other formulas that you can solve using the same Inputs

Zero Sequence Voltage Using a-phase Current (LGF)

Zero Sequence Voltage=(Fault Impedance *a-phase Current )-(Negative Sequence Voltage)-(Positive Sequence Voltage) GO

Negative Sequence Voltage Using a-phase Current (LGF)

Negative Sequence Voltage=(Fault Impedance *a-phase Current )-Positive Sequence Voltage-Zero Sequence Voltage GO

Positive Sequence Voltage Using a-phase Current

Positive Sequence Voltage=(Fault Impedance *a-phase Current )-Negative Sequence Voltage-Zero Sequence Voltage GO

Fault Impedance using a-phase current

Fault Impedance =(Positive Sequence Voltage+Negative Sequence Voltage+Zero Sequence Voltage)/a-phase Current GO

a-phase Voltage(LGF)

a-phase Voltage =Fault Impedance *a-phase Current GO

Positive Sequence Current Using a-phase Current (LGF)

Positive Sequence Current =a-phase Current /3 GO

Negative Sequence Current Using a-Phase Current (LGF)

Negative Sequence Current =a-phase Current /3 GO

Positive Sequence current using a-phase Current

Positive Sequence Current =a-phase Current /3 GO

Zero Sequence current using a-phase Current (LGF)

Zero Sequence Current =a-phase Current /3 GO

c-Phase Current (LGF)

C-phase Current =a-phase Current *0 GO

b-phase Current (LGF)

b-phase Current=a-phase Current *0 GO

< 11 Other formulas that calculate the same Output

Negative Sequence Current Using a-phase EMF (LGF)

Negative Sequence Current =EMF Induced In The Primary Winding/(Zero Sequence Impedance+Negative Sequence Impedance+Positive Sequence Impedance+(3*Fault Impedance )) GO

Negative Sequence Current Using Negative Sequence Voltage (LLGF)

Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance GO

Negative Sequence Current Using Negative Sequence Impedance(1OC)

Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance GO

Negative Sequence Current Using Negative Sequence Voltage (2OC)

Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance GO

Negative Sequence Current for L-G-F

Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance GO

Negative Sequence Current Using Positive Sequence Current (1OC)

Negative Sequence Current =((-1)*Positive Sequence Current )-Zero Sequence Current GO

Negative Phase Current For Delta Connected Load

Negative Sequence Current =3*Negative Sequence Voltage/Delta Impedance GO

Negative Sequence Current For Star Connected Load

Negative Sequence Current =Negative Sequence Voltage/Star Impedance GO

Negative Sequence Current(LLF)

Negative Sequence Current =(-1)*Positive Sequence Current GO

Negative Sequence Current (3oc)

Negative Sequence Current =(0)*Electric Current GO

Negative Sequence Current Using a-Phase Current (LGF)

Negative Sequence Current =a-phase Current /3 GO

Negative Sequence Current (2OC) Formula

Negative Sequence Current =a-phase Current /3
I2=Ia/3

More formulas

b-phase Current (2OC) GO

c-phase Current (2OC) GO

a-phase Current (2OC) GO

Potential Difference Between b-phase (2OC) GO

Potential Difference Between c-phase (2OC) GO

Potential Difference Between a-phase (2OC) GO

Positive Sequence Current (2OC) GO

Zero Sequence Current (2OC) GO

Positive Sequence Potential Difference (2OC) GO

Negative Sequence Potential Difference (2OC) GO

Zero Sequence Potential Difference (2OC) GO

Zero Sequence Potential Difference Using Potential Difference Between b-Phase(2OC) GO

Positive Sequence Current Using Positive Sequence Voltage (2OC) GO

Positive Sequence Impedance Using Positive Sequence Voltage (2OC) GO

Negative Sequence Impedance Using Negative Sequence Voltage (2OC) GO

Negative Sequence Current Using Negative Sequence Voltage (2OC) GO

Zero Sequence Current Using Zero Sequence Voltage (2OC) GO

Zero Sequence Impedance Using Zero Sequence Voltage (2OC) GO

Zero Sequence Voltage Using Zero Sequence Current (2OC) GO

Positive Sequence Voltage Using Positive Sequence Current (2OC) GO

Negative Sequence Voltage Using Negative Sequence Current (2OC) GO

a-phase EMF Using Positive Sequence Voltage (2OC) GO

a-phase EMF Using Positive Sequence Current (2OC) GO

Zero Sequence Impedance Using a-phase EMf (2OC) GO

Positive Sequence Impedance Using a-phase EMf (2OC) GO

Negative Sequence Impedance Using a-phase EMf (2OC) GO

Positive Sequence Current Using a-phase EMf (2OC) GO

What is two open conductor fault?

When two phases of a balanced three-phase line open it creates an unbalance in the system and results in the flow of unbalanced currents. Such conditions occur in the system when one or two conductors of a transmission line are broken due to storms or if fuses, isolators, or circuit breakers operate only on one or two phases leaving others connected.

How to Calculate Negative Sequence Current (2OC)?

Negative Sequence Current (2OC) calculator uses Negative Sequence Current =a-phase Current /3 to calculate the Negative Sequence Current , The Negative Sequence Current (2OC) formula is defined as consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation. Negative Sequence Current and is denoted by I2 symbol.

How to calculate Negative Sequence Current (2OC) using this online calculator? To use this online calculator for Negative Sequence Current (2OC), enter a-phase Current (Ia) and hit the calculate button. Here is how the Negative Sequence Current (2OC) calculation can be explained with given input values -> 2.666667 = 8/3.

FAQ

What is Negative Sequence Current (2OC)?

The Negative Sequence Current (2OC) formula is defined as consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation and is represented as I2=Ia/3 or Negative Sequence Current =a-phase Current /3. a-phase current is the current that flows into the a_phase.

How to calculate Negative Sequence Current (2OC)?

The Negative Sequence Current (2OC) formula is defined as consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation is calculated using Negative Sequence Current =a-phase Current /3. To calculate Negative Sequence Current (2OC), you need a-phase Current (Ia). With our tool, you need to enter the respective value for a-phase Current and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Negative Sequence Current ?

In this formula, Negative Sequence Current uses a-phase Current . We can use 11 other way(s) to calculate the same, which is/are as follows -

Negative Sequence Current =Negative Sequence Voltage/Star Impedance
Negative Sequence Current =3*Negative Sequence Voltage/Delta Impedance
Negative Sequence Current =a-phase Current /3
Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance
Negative Sequence Current =EMF Induced In The Primary Winding/(Zero Sequence Impedance+Negative Sequence Impedance+Positive Sequence Impedance+(3*Fault Impedance ))
Negative Sequence Current =(-1)*Positive Sequence Current
Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance
Negative Sequence Current =((-1)*Positive Sequence Current )-Zero Sequence Current
Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance
Negative Sequence Current =(-1)*Negative Sequence Voltage/Negative Sequence Impedance
Negative Sequence Current =(0)*Electric Current

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