Re: OT Motor Salvage 3 Phase 6 Wire

["Bob La Londe" <none@xxxxxxxx>]

"Bob La Londe" <none@xxxxxxxx> wrote in message
news:MzONq.25908$d52.24724@xxxxxxxxxxxxxxx
> "nick markowitz" <nmarkowitz@xxxxxxxxx> wrote in message
> news:8bd481bc-b396-4905-8ee2-4fbab451ca83@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> On Jan 6, 7:00 pm, "Bob La Londe" <n...@xxxxxxxx> wrote:
>>> I have a Leland 6273 3 phase 240 V motor I am trying to figure out how
>>> to
>>> hook up.
>>>
>>> It has 6 black wires coming out of the motor.
>>>
>>> It also has 2 much smaller brown wires coming out that were just tied
>>> out of
>>> the way to the lifting ring.  I suspect those were for a tach or
>>> possible a
>>> heat sensor.
>>>
>>> It just has paper labels on the black wires, and they look like they
>>> were
>>> put on by somebody who tried to figure out the motor in the past.  They
>>> do
>>> not match up with any of the three phase wiring numbers/ letters
>>> standards
>>> I've been able to find.  I want to hook it to a VFD for testing.  Since
>>> the
>>> data plate says it will operate from 6-130 HZ and lists a range of RPM
>>> from
>>> 96 to 3680 that tells me was probably intended to operate off of VFD in
>>> the
>>> first place.
>>>
>>> Is there any practical way using a meter to determine which wires to
>>> pair up
>>> to connect to 3 connections on the VFD?
>>
>> You have a 3 phase Delta wound motor typically see it on  foreign
>> equipment   most USA motors are Y wound and have 9 leads depending how
>> you wire it it works on 230 or 480  vac etc. leads should be T1 thru
>> T6 yes you can ring out the coils I had some paper work that gave
>> instruction will see if i can find it for you
>> the 2 wires coming out back might be for stepper control or a overload
>> or remote switch application  can you send me picture.
>
> This motor was probably manufactured in the lat 1970s or early 1980s.
> Leland seems to have been based out of Ohio,  I called the last known
> number I could find for them and got GE Aviation.
>
> Just for the heck of it I check the impedance between the main 6 leads. I
> get about 20 ohms between any two of three wires and 2 ohms between any 2
> of the other three.

Somebody in another group said they thought it sounded like a 2 speed motor.
The said 96 RPM at 6 hz (lowest speed and frequency on the data plate) sound
like a 4 pole winding and 3680 at 130 sounded like 2 pole.  Wadda you think?