![Quote](images/misc/quote_icon.png)
Originally Posted by
onthebumper
Hi Stang. You can do a quick test on the motors to see if there is any problem without a megger. The megger will show you problems that you would see intermittently with high readings. You can use a standard digital volt meter set to read ohms. If you disconnect the motor leads from the drive and measure (on the cable, not the drive) from U to ground, V to ground, and W to ground you should get infinite ohms. Any type of reading is not good. You can also check U to V, V to W, and U to W. You should get a low ohm reading but they should all be pretty balanced. If you get a bad reading then this will save you from getting a megger. Although a megger is not bad tool to have around, especially if you have several machines.
Good luck!