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GEOFFREY RONO
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Three Phase Synchronous Generator

10/23/2013 9:52 AM

What could b the cause of abnormal sound coming from a three phase synchronous generator when voltage is building up during starting up?
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SolarEagle
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#1

Re: Three Phase Synchronous Generator

10/23/2013 10:18 AM

Mechanic still working in back.....? Maybe bearings ...? cat sleeping on warm motor....?

https://www.youtube.com/watch?v=pwvS8_H5rKs

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PWSlack
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#5
In reply to #1

Re: Three Phase Synchronous Generator

10/23/2013 4:49 PM

Great video!

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PWSlack
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#2

Re: Three Phase Synchronous Generator

10/23/2013 10:54 AM
  • Budgie caught in the works
  • Someone left a spanner inside it when it was boxed-up
  • Mounting bolts loose/broken/missing
  • Too little sound insulation in the building for some reason
  • It's flooded with water
  • Wrong fuel
  • It has just run out of fuel
  • Landslide dropping onto it
  • Aircraft crashing into it
  • Terrorist caught inside it
  • Etc., etc.
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PWSlack
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#3

Re: Three Phase Synchronous Generator

10/23/2013 11:58 AM
  • Bent blade on the cooling fan striking the cowling
  • Loose cable connection onto the terminals
  • Loose materials underneath it
  • Water in the fuel
  • Rotor shaft snapped off
  • Blown head gasket
  • Coolant pump knackered
  • Electrician still connected to the terminals
  • Bent security cover with rattling padlock
  • It isn't level in accordance with the set-up detail in the User Manual
  • Mechanical overload
  • Electrical overload
  • It doesn't know the tune
  • Etc.
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PWSlack
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#4

Re: Three Phase Synchronous Generator

10/23/2013 12:00 PM
  • Blown silencer/muffler
  • Rattling control panel

Is there a prize for getting the right answer?

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JCase
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#10
In reply to #4

Re: Three Phase Synchronous Generator

10/24/2013 10:43 AM
  • Electrician still connected to the terminals I'd call THAT an abnormal sound!
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TonyS
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#6

Re: Three Phase Synchronous Generator

10/24/2013 12:28 AM

Quite simple, something's wrong.

If you ask a stupid question you get a stupid answer!

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1capybara
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#7

Re: Three Phase Synchronous Generator

10/24/2013 1:56 AM

is it a funny noise coming from the left side below that red panel?

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Tom_Consulting
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#8

Re: Three Phase Synchronous Generator

10/24/2013 8:52 AM

Did you push the BLUE button??? You should NEVER push the BLUE button!

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Brave Sir Robin
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#9
In reply to #8

Re: Three Phase Synchronous Generator

10/24/2013 10:41 AM

But blue is my favorite colour, not yellow . . . . A - a - a - a - a - a - r - g - h
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Andy Germany
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#11

Re: Three Phase Synchronous Generator

10/24/2013 1:33 PM

I vote this as being the dumbest question winner for 2013.

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1capybara
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#12

Re: Three Phase Synchronous Generator

10/25/2013 2:51 AM

its some imbalanced thing or a bad bearing. and the solution is to fix bad bearings or balance what is not.

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1capybara (2); Andy Germany (1); Brave Sir Robin (1); JCase (1); PWSlack (4); SolarEagle (1); Tom_Consulting (1); TonyS (1)

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