Lord Bob Posted November 25, 2021 Share Posted November 25, 2021 Okay. Dropped a lot of beans on a grinder (for me). Plugged it in. It's a three phase motor with a variable speed box on. It'll crank for about 5 seconds, then slow to a stop. Three phase motor, 220v. I can post pictures and video, but is there any immediate problem someone can think of? Quote Link to comment Share on other sites More sharing options...
Glenn Posted November 25, 2021 Share Posted November 25, 2021 What did the seller suggest when you contacted them? Quote Link to comment Share on other sites More sharing options...
Frosty Posted November 26, 2021 Share Posted November 26, 2021 This is a WAG but it sounds like it's overheating a component which is shutting off to prevent damage. You DO have it connected to 3 phase power or a converter. Yes? Frosty The Lucky. Quote Link to comment Share on other sites More sharing options...
Latticino Posted November 26, 2021 Share Posted November 26, 2021 VFD can be tricky. Some are designed to convert single phase to three phase. Some are not at all happy if they have been designed for 50Hz source and you use a 60 Hz source. Others need quite a bit of programming, or even switching around jumpers to get working properly. Of course they can also be burned out by misuse, like any electronics, and are prone to overheating or metal dust shorting out if put in the wrong type of enclosure. The KBAC-27D has become a pretty common standard here in the states because it is pretty easy to use and fairly bulletproof in a NEMA 4X enclosure. Others are a lot more of a challenge. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.