Resistance of Charging Circuit EDM Solution

STEP 0: Pre-Calculation Summary
Formula Used
Resistance of the Charging Circuit FC = -1/(Frequency of Charging FC*Capacitance FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC))
Rfc = -1/(ffc*Cfc*ln(1-Vfc/Vs))
This formula uses 1 Functions, 5 Variables
Functions Used
ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)
Variables Used
Resistance of the Charging Circuit FC - (Measured in Ohm) - Resistance of the charging circuit FC, is the resistance of the charging circuit.
Frequency of Charging FC - (Measured in Hertz) - Frequency of charging FC, is the frequency at which the circuit capacitor is charged.
Capacitance FC - (Measured in Farad) - Capacitance FC, is the ratio of the amount of electric charge stored on a conductor to a difference in electric potential.
Voltage at any time t FC - (Measured in Volt) - Voltage at any time t FC, is the charging voltage in the circuit at any given time.
Voltage of Power Supply FC - (Measured in Volt) - Voltage of power supply FC, is the voltage required to charge a given device within given time.
STEP 1: Convert Input(s) to Base Unit
Frequency of Charging FC: 4 Cycle per Second --> 4 Hertz (Check conversion ​here)
Capacitance FC: 6.22 Farad --> 6.22 Farad No Conversion Required
Voltage at any time t FC: 2 Volt --> 2 Volt No Conversion Required
Voltage of Power Supply FC: 10.02 Volt --> 10.02 Volt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Rfc = -1/(ffc*Cfc*ln(1-Vfc/Vs)) --> -1/(4*6.22*ln(1-2/10.02))
Evaluating ... ...
Rfc = 0.180524983431848
STEP 3: Convert Result to Output's Unit
0.180524983431848 Ohm --> No Conversion Required
FINAL ANSWER
0.180524983431848 0.180525 Ohm <-- Resistance of the Charging Circuit FC
(Calculation completed in 00.004 seconds)

Credits

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Created by Rajat Vishwakarma
University Institute of Technology RGPV (UIT - RGPV), Bhopal
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National Institute of Technology (NIT), Tiruchirapalli
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Frequency of Charging Calculators

Charging Voltage from Resistance Charging Circuit
​ LaTeX ​ Go Voltage at any time t FC = Voltage of Power Supply FC*(1-exp(-1/(Resistance of the Charging Circuit FC*Capacitance FC*Frequency of Charging FC)))
Resistance of Charging Circuit EDM
​ LaTeX ​ Go Resistance of the Charging Circuit FC = -1/(Frequency of Charging FC*Capacitance FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC))
Capacitance of Charging Circuit
​ LaTeX ​ Go Capacitance FC = -1/(Resistance of the Charging Circuit FC*Frequency of Charging FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC))
Frequency of Charging
​ LaTeX ​ Go Frequency of Charging FC = -1/(Resistance of the Charging Circuit FC*Capacitance FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC))

Resistance of Charging Circuit EDM Formula

​LaTeX ​Go
Resistance of the Charging Circuit FC = -1/(Frequency of Charging FC*Capacitance FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC))
Rfc = -1/(ffc*Cfc*ln(1-Vfc/Vs))

How the spark is produced in Electric Discharge Machining ?

A typical circuit used for supplying the power to an EDM machine is named as the relaxation circuit. The circuit consists of a DC power source, which charges the capacitor ‘C’ across a resistance ‘Rc’. Initially when the capacitor is in the uncharged condition, when the power supply is on with a voltage of Vo, a heavy current, ic, will flow in the circuit as shown to charge the capacitor.The relaxation circuit as explained above was used in the early EDM machines. They are limited to the low material removal rates for fine finish, which limits its application. This can be explained from the fact that the time spent on charging the capacitor is quite large during which time, no machining can actually take place. Thus the material removal rates are low.

How to Calculate Resistance of Charging Circuit EDM?

Resistance of Charging Circuit EDM calculator uses Resistance of the Charging Circuit FC = -1/(Frequency of Charging FC*Capacitance FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC)) to calculate the Resistance of the Charging Circuit FC, The Resistance of charging circuit EDM formula is defined as the resistance offered by the charging circuit used to charge capacitor of EDM spark circuit. Resistance of the Charging Circuit FC is denoted by Rfc symbol.

How to calculate Resistance of Charging Circuit EDM using this online calculator? To use this online calculator for Resistance of Charging Circuit EDM, enter Frequency of Charging FC (ffc), Capacitance FC (Cfc), Voltage at any time t FC (Vfc) & Voltage of Power Supply FC (Vs) and hit the calculate button. Here is how the Resistance of Charging Circuit EDM calculation can be explained with given input values -> 0.180525 = -1/(4*6.22*ln(1-2/10.02)).

FAQ

What is Resistance of Charging Circuit EDM?
The Resistance of charging circuit EDM formula is defined as the resistance offered by the charging circuit used to charge capacitor of EDM spark circuit and is represented as Rfc = -1/(ffc*Cfc*ln(1-Vfc/Vs)) or Resistance of the Charging Circuit FC = -1/(Frequency of Charging FC*Capacitance FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC)). Frequency of charging FC, is the frequency at which the circuit capacitor is charged, Capacitance FC, is the ratio of the amount of electric charge stored on a conductor to a difference in electric potential, Voltage at any time t FC, is the charging voltage in the circuit at any given time & Voltage of power supply FC, is the voltage required to charge a given device within given time.
How to calculate Resistance of Charging Circuit EDM?
The Resistance of charging circuit EDM formula is defined as the resistance offered by the charging circuit used to charge capacitor of EDM spark circuit is calculated using Resistance of the Charging Circuit FC = -1/(Frequency of Charging FC*Capacitance FC*ln(1-Voltage at any time t FC/Voltage of Power Supply FC)). To calculate Resistance of Charging Circuit EDM, you need Frequency of Charging FC (ffc), Capacitance FC (Cfc), Voltage at any time t FC (Vfc) & Voltage of Power Supply FC (Vs). With our tool, you need to enter the respective value for Frequency of Charging FC, Capacitance FC, Voltage at any time t FC & Voltage of Power Supply FC 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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