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To simply limit the dV/dt may not be sufficient, particularly if the installation has to conform to IEC 34-17 and VDE 0530 standards, which specify that a general purpose motor, used with an inverter, should withstand voltage peaks of 1000V and dV/dt up to 500 V/us, without any significant decrease in motor life. In most instances this can be achieved by installing a dV/dt attenuation choke at the output of the inverter. This has to be effective in the common mode.