In this article we look at the 3 most common faults on inverters and how to fix them: 1. Overvoltage and Undervoltage. This is caused by a high intermediate circuit DC voltage. This can arise from high inerti.
[pdf] High input voltage inverters are designed to handle voltages higher than their conventional counterparts. They typically have a wide input voltage range, making them suitable for various applications that require higher voltage levels.
[pdf] These instantaneous high voltages, often exceeding twice the switching voltage, induce momentary high voltages across the motor windings. When these voltages surpass a critical threshold, partial discharges occur between the surfaces of the winding insulation.
[pdf] 
