Power Quality glitches in Industrial Environment

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fmantovani

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Hi

I am trying to get a sense of which industries are mostly affected by Power Quality Issues. I am looking at:

- time wasted in diagnosis
- unnecessary replacements of parts
- loss of productivity
- ...

If you have experienced such issues, could you please drop me a note with your story?

Thank you!

Fabio Mantovani
Power Standards Lab
 
I'll give you a hint - the industries or plants most impacted by power quality problems would be the ones with numerous non-linear electronic loads and the least sophisticated engineering staffs.
 
jdsmith said:
I'll give you a hint - the industries or plants most impacted by power quality problems would be the ones with numerous non-linear electronic loads and the least sophisticated engineering staffs.
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and may I add the facilities that never heard of grounding and bonding
 
Thank you guys!

If you can, could you plz provide details?

For example, it would be nice to know the industry where you experience an issue, the cost to the issue to the company (as a % of revenues, or the cost+revenue), the frequency, etc.

The more details, the better! Feel free to send me a private email if needed.

Thanks,

Fabio Mantovani
Power Standards Lab
 
That's a rather broad question, and most of us won't know a thing about "cost to the company". Are you interested in commercial, light industry, heavy industry, mining, etc? What sort of PQ issues are of interest? Parts? Unnecessary replacement of parts is usually a training issue, not a PQ issue. Perhaps a more structured set of questions would get good response.
 
brian john said:
And what issues have you seen related to this?
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here in the Philippines, power supply is provided usually line to line with no 'third wire" for grounding. been this way since before I was born

some facilities, however, use "line to ground" supply, even though their supply transformer did not provide a neutral or a ground wire. the "line to ground" voltage I got after monitoring the site for one day would swing from the "normal" 120V to 200+ volts for long periods of time. needless to say, most of their electronics get replaced every so often
 
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