Kerchoff's Law - Calculated Industries ElectriCalc LT User Manual

Kerchoff's Law

The ElectriCalc LT utilizes Kerchoff's
Law in finding volts, amps, volt-amps,
watts, horsepower (theoretical), effi-
ciency and power factor.
Finding Voltage
Find the voltage supply to a single-
phase load drawing 14,605 volt-amps
and 115 amps.
Steps Keystrokes
Clear calculator [On/C] [On/C]
Set to 1-phase [Set] 1
Enter volt-amps 14605 [VA]
Enter amps 115 [Amps]
Solve for volts [Volts]
Finding Amps
What is the current (amps) for a load
drawing 8,250 volt-amps on a 240 volt,
three-phase circuit?
Steps Keystrokes
Clear calculator [On/C] [On/C]
Set to 3-phase [Set] 3
Enter volt-amps 8250 [VA]
Enter volts 240 [Volts]
Solve for amps [Amps]
Display
0.
1 PH
14,605. VA
115. AMPS
127. VOLT
Display
0.
3 PH
8250. VA
240. VOLT
19.846416 AMPS
User's Guide — 19