Use the App below to simulate the voltage response at the motor terminals for a drive, cable, and motor system based on drive, cable, and motor parameters. Adding filters can reduce the dv/dt and peak voltages.
See the Home page and Simulation Details page for more information.
Simulation Inputs
Enter the required information below to initialize the simulation. Hover over input boxes for more information.
Lm: [H]
Re: [Ω]
Cable Parameters:
Lc: [H/m]
Cc: [F/m]
Cable Length: 5 [m]
Lf1: [H]
Rf1: [Ω]
Suggested Damping: ~? [Ω]
LC dv/dt Filter Parameters:
Lf2: [H]
Cf2: [F]
Rf2: [Ω]
Suggested Damping: ~? [Ω]
trise: [sec]
VDC: [V]
Plotting Parameters:
Vmax: [sec]
tmax: [sec]
Preload Example Values:
SiC Drive with Inverter-Rated Motor
Si Drive with Gen-Purpose Motor and Long Cable
Results
Simulated Responses at Motor Terminals to Drive Voltage Rising Edge
Unfiltered: 0 [V]
L Filter 1: 0 [V]
LC Filter 2: 0 [V]
Typical Design Values:
≤ 1000 Volts (for 460 V motors)
Unfiltered: 0 [sec]
L Filter 1: 0 [sec]
LC Filter 2: 0 [sec]
Typical Design Values:
≥ 100 ns (for inverter-rated motors)
≥ 2 μs (for general purpose motors)
Questions? Comments? Contact Andy Schroedermeier here.