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As a general rule, VFD mfrs will tell you to at least DOUBLE the VFD current compared to the motor current. There are two reasons: when drawing current for a 3 phase motor from a single phase source,...

But why?

You do not say what VFD you have. What does the manual say about an OV-2 error? Usually that is something like a DC bus over voltage, which can be the result of regenerative energy coming back from...

Do NOT connect the ground to one of the input terminals!!!

I doubt that's what mactec meant, but the way it was worded could be interpreted that way.

Yes, all of the EMS (Yaskawa) drives can...

If it is a 1336 Plus, then try 1201, it was a back door factory password. But some peopple who knew about it would change it, so if it doesn't work, that meas someone did.

If it was a 1336...

There would be no adjustment on the output voltage, a VFD is going to fix the output voltage as a percentage of maximum that is proportional to the commanded frequency, it is intended to provide a...

Why are some Chinese VFDs crap?

In general it's because most are cheap knock-offs of someone else' products. Most small (under 10HP) VFDs are now made in China now regardless of the name brand on...

I used to work for ABB shortly after the Parametrics era and sold the Parajust drives under the ABB label for a while. Parametrics was bought out by Asea (Sweden) in 1986, then Asea merged with Brown...

Use it for what?

Don't worry about being a "rube", even some of the most brilliant minds in the electrical field don't REALLY know how it all works, just what they can observe. So from that standpoint, they don't...

Experience.
It's a cruel teacher, but the lessons learned stay that way. You will not likely forget now either will you? So someday when someone mentions a similar problem, you will be able to...

OK, I just re-read your original post (it didn't show when I was composing the other response) and I had it wrong, but I see your problem. I also read the manual and see that you need to set BOTH...

Major discrepancy in your posting here. You said earlier it was 120Hz, 3000RPM, now you say it is a 300Hz motor, 18000RPM. If the latter is true, you MUST set up the VFD to tell it that the MOTOR is...

A couple of things you can try first.

First, check the nameplate of the motor to make sure it is really designed for use on the voltage you have available. If not, you need to adjust the VFD...

Fans and filters are one way to go, as long as you are fastidious about cleaning the filter media. If not, the filter clogs quickly, the air movement stops, the VFD fries.

For small VFDs however,...

There are a litany of problems with trying to resurrect an old VFD.

The first and foremost one is that if the VFD has been unpowered for any length of time, i.e. over a year, chances are that the...

Connection of the L1 and L2 with a jumper is unnecessary, it gives you no "extra capacity" since all the AC input does is provide the raw power for conversion to DC. The capacity of those 2 diodes...

It doesn't appear as though that motor is available in the US, but that is not surprising; it's difficult for EU motor manufacturers to compete here.

Motors with integrated VFDs were available...

2 things going on here.

1) You want to feed a VFD with 1 phase power and get 3 phase out of it. You can do that with almost any VFD now. Under 5HP you can do 230V drives without derating because...

No, not likely. EM field strength decreases at the square of the distance from the source, so by the time you are 2 feet away it is 1/4 the strength, 10 feet and it is 1/100th the strength. it would...

In general, VFDs cannot be used on 1 phase motors. There are a few available that work on a selected few types, but not the type you would find in a hand power tool. As Al_The_Man said, it is likely...

Prevent it from going back on the line. I doubt they are much different, but by buying them from the VFD supplier they are sized correctly (not to mention being able to point the finger at them if...

My motto;
Nothing is worth doing that isn't worth overdoing to make a point.

When I found that picture one day, I just had to bookmark it. When I worked in an office like that providing tech...

EMI can knock you on your butt the first time you come up against it. Don't give up though, there is a solution.

http://home.freeuk.com/nedslider/image007.jpg

Seriously though, VFDs also create...

If it is currently being run straight off the line, and your motor is 230V or can be reconnected for 230V, then you can use a 230V VFD for 1 phase input, just make sure the VFD is twice as big as the...

Just something to watch out for.

The output wires from any VFD should be run in metallic conduit or shielded cable. The output of a VFD is a "Modulated Frequency", and if you just swap those words...

Many (if not most) VFDs allow you to input DC directly into them, as long as it meets the DC bus voltage requirements. Just ask your favorite VFD manufacturer. The reason why some do not is only...

... I guess you are alluding to possible consequence mechanically of driving the gear head faster than 3600 RPM.

Yes I am.

Within the 3-60Hz range motor spec. will there be torque lost?

No....

So many questions... Responses in order of when I think of them;

Your motor selections is TEFC, Totally Enclosed Fan Cooled. There is no method of adding an external fan anyway. That is why they...

Good to see.

Now just FYI in reference to your original question about converting the motor, no you cannot do that with US made motors. In IEC countries they don't really use 1 phase too much...