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  1. Replies
    18$$
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    1,034

    They also limit fault current.

    They also limit fault current.
  2. Replies
    5$$
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    405

    Quite a few are 1-10V rather than 0-10V. Not my...

    Quite a few are 1-10V rather than 0-10V. Not my field but my colleagues in our lighting division corrected me on that on more than a few occasions.
  3. Replies
    7$$
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    373

    Good grief! How many types of cable do you guys...

    Good grief! How many types of cable do you guys have?

    For us it would usually be just XPLE.
  4. Replies
    18$$
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    942

    One way of testing: You could run two DC...

    One way of testing:
    You could run two DC machines back to back, one motoring, one generating.
    That's something we regularly did when DC was the more common way of producing a variable speed drive.
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    17$$
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    978

    I see a couple of issues with that. How can you...

    I see a couple of issues with that.
    How can you prove that a competitor has had sight of your bid? Either intentionally or by opportunism.

    If you and a competitor are bidding for the same project...
  6. Replies
    17$$
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    978

    Yes that, plus it would be difficult prove that...

    Yes that, plus it would be difficult prove that your bid was leaked.
  7. Replies
    7$$
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    397

    Seems like a probable cause. I used to use...

    Seems like a probable cause. I used to use de-tuning reactors.
  8. Replies
    11$$
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    501

    Or a small auto transformer. It is quite a close...

    Or a small auto transformer. It is quite a close ratio of voltages.
  9. Replies
    11$$
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    501

    I don't see safety as an issue. Not sure it is...

    I don't see safety as an issue. Not sure it is the best way to deal with it commercially............
  10. Replies
    7$$
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    397

    I have seen harmonics from non-linear loads cause...

    I have seen harmonics from non-linear loads cause that.
  11. Replies
    4$$
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    331

    I got that, thank you. I'm pondering on what to...

    I got that, thank you. I'm pondering on what to do with it. Watch this spave.
  12. Replies
    18$$
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    1,034

    They slow down di/dt. For spikes, the concern is...

    They slow down di/dt. For spikes, the concern is dv.
  13. Replies
    11$$
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    501

    I think we need some feedback from OP, Farad.

    I think we need some feedback from OP, Farad.
  14. Replies
    11$$
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    501

    Or just buy a new motor rated for the voltage and...

    Or just buy a new motor rated for the voltage and frequency you want it to run at?
  15. Replies
    4$$
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    331

    I have a reasonably recent Photoshop Elements....

    I have a reasonably recent Photoshop Elements.
    Send it on. PM is OK. No promises and no charge.
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    9$$
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    844

    That would be my take based on the information...

    That would be my take based on the information provided.
  17. Replies
    8$$
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    455

    We built some VSDs for a naval application. They...

    We built some VSDs for a naval application. They were outdoor mounted right on the dockside. They had to be weatherproof but we still had to dissipate the heat. We mounted the power semiconductors...
  18. Replies
    8$$
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    455

    Interesting approach..............

    Interesting approach..............
  19. Replies
    18$$
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    1,034

    Line reactors would reduce the di/dt. I...

    Line reactors would reduce the di/dt. I personally would not use them for spike suppression. Make that have never used them for that purpose.
  20. Replies
    18$$
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    1,034

    The TVSS solution would be cheaper.

    The TVSS solution would be cheaper.
  21. Replies
    8$$
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    455

    You can calculate it based on the surface areas...

    You can calculate it based on the surface areas available for cooling. For example, if your enclosure is wall mounted, the back panel can't be included. Most panels are painted mild steel and...
  22. Replies
    30$$
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    1,502

    If the voltage was above nominal by less than...

    If the voltage was above nominal by less than half a percent.
    That work for you?
  23. Replies
    30$$
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    1,502

    For a 3-phase, full wave rectifier Vdc = 1.35Vac....

    For a 3-phase, full wave rectifier Vdc = 1.35Vac.
    Others here have shown the mathematical derivation.
  24. Replies
    30$$
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    1,502

    I have dealt with a lot of rectifiers, mostly at...

    I have dealt with a lot of rectifiers, mostly at high/relative high currents. Up to 70kA but more usually in the 20-40kA range.

    Typically, these were 12 or 24-pulse arrangements made up of two or...
  25. Replies
    29$$
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    1,590

    Appreciated, sir!

    Appreciated, sir!
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