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  1. You have more-or-less three options: * A...

    You have more-or-less three options:

    * A second VFD for the coolant pump. $$$.

    * A single phase coolant pump. Also $$$.

    * You can connect two motors to the same VFD, but you should have a...
  2. You've conveniently given us no pictures of the...

    You've conveniently given us no pictures of the actual mounting parts.

    Generally those can be removed from the rail just by compressing a spring; you don't need to actually get a screwdriver in.
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    These are the important parts. You need a motor...

    These are the important parts. You need a motor controller that detects the added load and boosts the voltage.

    Something like this may do it; it will depend on how much current you actually need.
  4. Oh, totally. 3" air lines exist for a reason. ...

    Oh, totally. 3" air lines exist for a reason.

    Another option is to do the light switch or motion sensor inside, and just have a 'push for two hours' button outside.
  5. A single phase motor generally expects 90 degrees...

    A single phase motor generally expects 90 degrees phase shift between the windings, vs a 120 degree shift in three phase systems.

    There are single phase output VFDs available, but only low quality...
  6. What, your shop air compressors aren't 50HP each?...

    What, your shop air compressors aren't 50HP each? How do you survive?
  7. A basic timer with changeover contacts that...

    A basic timer with changeover contacts that energizes after a certain time will do. Wire it so the input power is taken from after the pressure switch.

    Use the COM+NC contact to disconnect the...
  8. Industrial large switchboards are increasingly...

    Industrial large switchboards are increasingly being built with MCCBs with electronic trip units (instead of thermal-magnetic), all on MODBUS so you can get alarms easier.

    So yes, a current sensor...
  9. Especially with a motor that large, there is no...

    Especially with a motor that large, there is no way you will be able to run it off a 3-pin 10A plug. I would hazard a guess that you want a 40A feed if not more.

    You will also probably want either...
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    Set that deceleration time back to around 2-5...

    Set that deceleration time back to around 2-5 seconds. You can't stop an induction motor in six cycles, let alone two.
  11. It doesn't matter and/or isn't a question that...

    It doesn't matter and/or isn't a question that can be asked. Equipment can be connected star or delta. Lines are just that.

    Assuming the third image is of his motor, he needs to read his...
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    One would think a new drive would do that... ...

    One would think a new drive would do that...

    Can you give us a list of all modified parameters?
  13. Many transformers have multiple taps to handle...

    Many transformers have multiple taps to handle these kinds of supply variations. This could be an option.

    If it's a cheap bulb, you're always there when it's running, and the machine disconnect...
  14. He needs to connect his lathe for whatever the...

    He needs to connect his lathe for whatever the output voltage of the converter is.

    That's going to depend on how his motor is wound.
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    Is the deceleration ramp really really slow, or...

    Is the deceleration ramp really really slow, or zero?

    Odd.
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    It is; plugging is pretty hard on motors. Massive...

    It is; plugging is pretty hard on motors. Massive torque and current spikes.
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    VFDs can do very very fast reversal with a...

    VFDs can do very very fast reversal with a braking resistor.
  18. If this is running off solar, they make some...

    If this is running off solar, they make some great VFDs where you wire the solar directly into the DC bus (open circuit voltage around 300-380V for a 230V motor), and the VFD uses whatever power is...
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    Power factor isn't always the same as cos theta....

    Power factor isn't always the same as cos theta. When harmonics starts getting involved...

    For most cases, a power clampmeter that can tell you P, Q, and S is going to get you answers faster and...
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    If there isn't one already, fitting a thermal...

    If there isn't one already, fitting a thermal overload is a very good idea.

    They're a legal requirement on motors >0.5HP here down under for a reason.

    Aluminium might also be worth considering...
  21. Check current on all three phases is the same -...

    Check current on all three phases is the same - it's not single phasing?

    Does the shaft turn freely by hand - does it need much starting torque?

    Try re-running the auto-tune.
  22. By "section 6", "section 8.1" I meant section 8.1...

    By "section 6", "section 8.1" I meant section 8.1 of the user manual I linked earlier. Sorry about that.

    Yes, you need to configure the motor nameplate data. It's possible that it will lock you to...
  23. Do you mean the dial on the front, or an external...

    Do you mean the dial on the front, or an external potentiometer?

    You want section 6 of the manual, parameter 00-05. Default is '0' - the up and down arrows on the keypad. You could also use '1' -...
  24. https://www.tecowestinghouse.com/Manuals/L510_inst...

    https://www.tecowestinghouse.com/Manuals/L510_instruction_manual.pdf

    Page 4-20, set parameter 13-08 'Reset Drive to Factory Settings' to '1260'.

    What control wiring do you have? Are you using a...
  25. I'm not sure sorry. These were just DC gearmotors...

    I'm not sure sorry. These were just DC gearmotors driving conveyers, driven by cheap KBIC driver boards. They equipment was on its way out anyway and is being replaced.
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