Related Resources: Electrical Electronics Excel Calculators
Starting Motor Voltage Drop Excel Calculator
Voltage drop starting of motors at the substation transformer primary and secondary leads.
Voltage drop caused by the starting of motors at the substation transformer primary and secondary leads. Primary system impedance and transformer impedance is taken into account.
Note: Accessing this resource requires an active Premium Membership with Engineers Edge
Two calculators are provided. One is based on tables 430-150 & 430-151(B) from the NEC. The tables provide current ratings for motors up to 500HP and 575 Volts.