FormulaDen logo
FormulaDen.com
Search
Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health
Fx Copy
LaTeX Copy
The fault current is the electrical current which flows through a circuit during an electrical fault condition. Check FAQs
If=Ib+Ic
If - Fault Current?Ib - B Phase Current?Ic - C Phase Current?

Fault Current (LLGF) Example

With values
With units
Only example

Here is how the Fault Current (LLGF) equation looks like with Values.

Here is how the Fault Current (LLGF) equation looks like with Units.

Here is how the Fault Current (LLGF) equation looks like.

6.6Edit=2.7Edit+3.9Edit
Solution
Copy
Reset
Share
You are here -
HomeIcon Home » Category Engineering » Category Electrical » Category Power System » fx Fault Current (LLGF)

Fault Current (LLGF) Solution

Follow our step by step solution on how to calculate Fault Current (LLGF)?

FIRST Step Consider the formula
If=Ib+Ic
Next Step Substitute values of Variables
∴ If=2.7A+3.9A
Next Step Prepare to Evaluate
∴ If=2.7+3.9
LAST Step Evaluate
∴If=6.6A

Fault Current (LLGF) Formula Elements

Variables
Fault Current
The fault current is the electrical current which flows through a circuit during an electrical fault condition.
Symbol: If
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find Fault CurrentOpen Variable
B Phase Current
B phase Current is defined as the current flowing through the b-phase in open conductor fault.
Symbol: Ib
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find B Phase CurrentOpen Variable
C Phase Current
C phase current is the current that flows into the c-phase in open conductor fault.
Symbol: Ic
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find C Phase CurrentOpen Variable

Other Formulas to find Fault Current

​Go Fault Current using B-Phase Voltage (LLGF)
If=VbZf
​Go Fault Current using C-Phase Voltage (LLGF)
If=VcZf

Other formulas in Current category

​Go B-Phase Current (LLGF)
Ib=If-Ic
​Go C-Phase Current (LLGF)
Ic=If-Ib
​Go Zero Sequence Current using B-Phase Voltage (LLGF)
I0=Vb3⋅Zf
​Go Zero Sequence Current using C-Phase Voltage (LLGF)
I0=Vc3⋅Zf

How to Evaluate Fault Current (LLGF)?

Fault Current (LLGF) evaluator uses Fault Current = B Phase Current+C Phase Current to evaluate the Fault Current, The Fault current (LLGF) formula is defined as the current that flows into the fault Impedance. the fault current is the addition of the b-phase current and c-phase current. Fault Current is denoted by If symbol.

How to evaluate Fault Current (LLGF) using this online evaluator? To use this online evaluator for Fault Current (LLGF), enter B Phase Current (Ib) & C Phase Current (Ic) and hit the calculate button.

FAQs on Fault Current (LLGF)

What is the formula to find Fault Current (LLGF)?
The formula of Fault Current (LLGF) is expressed as Fault Current = B Phase Current+C Phase Current. Here is an example- 6.6 = 2.7+3.9.
How to calculate Fault Current (LLGF)?
With B Phase Current (Ib) & C Phase Current (Ic) we can find Fault Current (LLGF) using the formula - Fault Current = B Phase Current+C Phase Current.
What are the other ways to Calculate Fault Current?
Here are the different ways to Calculate Fault Current-
  • Fault Current=B Phase Voltage/Fault ImpedanceOpenImg
  • Fault Current=C Phase Voltage/Fault ImpedanceOpenImg
Can the Fault Current (LLGF) be negative?
Yes, the Fault Current (LLGF), measured in Electric Current can be negative.
Which unit is used to measure Fault Current (LLGF)?
Fault Current (LLGF) is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Fault Current (LLGF) can be measured.
About | Contact | Disclaimer | Terms | Privacy Policy
© 2024. Developed & Maintained by softUsvista Inc.
Copied!