Minimum Resistance from Charging Time Solution

STEP 0: Pre-Calculation Summary
Formula Used
Minimum Resistance for Charging Time = Charging Time/Capacitance of Charging Time
Rct = tc/Cct
This formula uses 3 Variables
Variables Used
Minimum Resistance for Charging Time - (Measured in Ohm) - Minimum Resistance for Charging Time is the minimum resistance of the circuit.
Charging Time - (Measured in Second) - Charging time is the time required to charge a particular device.
Capacitance of Charging Time - (Measured in Farad) - Capacitance of Charging Time is the ratio of the amount of electric charge stored on a conductor to a difference in electric potential.
STEP 1: Convert Input(s) to Base Unit
Charging Time: 18.94 Second --> 18.94 Second No Conversion Required
Capacitance of Charging Time: 0.07 Farad --> 0.07 Farad No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Rct = tc/Cct --> 18.94/0.07
Evaluating ... ...
Rct = 270.571428571429
STEP 3: Convert Result to Output's Unit
270.571428571429 Ohm --> No Conversion Required
FINAL ANSWER
270.571428571429 270.5714 Ohm <-- Minimum Resistance for Charging Time
(Calculation completed in 00.004 seconds)

Credits

Created by Rajat Vishwakarma
University Institute of Technology RGPV (UIT - RGPV), Bhopal
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National Institute Of Technology (NIT), Hamirpur
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5 Charging Time Calculators

Charging Time
Go Charging Time = 30*sqrt(Inductance of Charging Time*Capacitance of Charging Time)
Capacitance of Circuit from Charging Time
Go Capacitance of Charging Time = ((Charging Time/30)^2)/Inductance of Charging Time
Inductance of Circuit from Charging Time
Go Inductance of Charging Time = ((Charging Time/30)^2)/Capacitance of Charging Time
Charging Time from Minimum Resistance
Go Charging Time = Minimum Resistance for Charging Time*Capacitance of Charging Time
Minimum Resistance from Charging Time
Go Minimum Resistance for Charging Time = Charging Time/Capacitance of Charging Time

Minimum Resistance from Charging Time Formula

Minimum Resistance for Charging Time = Charging Time/Capacitance of Charging Time
Rct = tc/Cct

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 Minimum Resistance from Charging Time?

Minimum Resistance from Charging Time calculator uses Minimum Resistance for Charging Time = Charging Time/Capacitance of Charging Time to calculate the Minimum Resistance for Charging Time, The Minimum resistance from charging time formula is defined as the minimum sum of inductive resistance and resistance of the sparking load in the discharging circuit. Minimum Resistance for Charging Time is denoted by Rct symbol.

How to calculate Minimum Resistance from Charging Time using this online calculator? To use this online calculator for Minimum Resistance from Charging Time, enter Charging Time (tc) & Capacitance of Charging Time (Cct) and hit the calculate button. Here is how the Minimum Resistance from Charging Time calculation can be explained with given input values -> 270.5714 = 18.94/0.07.

FAQ

What is Minimum Resistance from Charging Time?
The Minimum resistance from charging time formula is defined as the minimum sum of inductive resistance and resistance of the sparking load in the discharging circuit and is represented as Rct = tc/Cct or Minimum Resistance for Charging Time = Charging Time/Capacitance of Charging Time. Charging time is the time required to charge a particular device & Capacitance of Charging Time is the ratio of the amount of electric charge stored on a conductor to a difference in electric potential.
How to calculate Minimum Resistance from Charging Time?
The Minimum resistance from charging time formula is defined as the minimum sum of inductive resistance and resistance of the sparking load in the discharging circuit is calculated using Minimum Resistance for Charging Time = Charging Time/Capacitance of Charging Time. To calculate Minimum Resistance from Charging Time, you need Charging Time (tc) & Capacitance of Charging Time (Cct). With our tool, you need to enter the respective value for Charging Time & Capacitance of Charging Time 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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