JMOC CO., LTD. http://jmoc.co.th/index.html Consulting&engineering Tue, 07 May 2019 12:14:54 +0000 en-US hourly 1 SitePad Insulation resistance test http://jmoc.co.th/blog/post-02.html http://jmoc.co.th/blog/post-02/#respond Mon, 01 Apr 2019 14:38:34 +0000 http://jmoc.co.th/blog/post-02.html
TEST EGAT 17_05_2013 PRE POLIMERIZZAZIONE BANDAGGI 010

This widely known and easy to take test, so easy that sometimes we get tricky information.

So many times, the question is: -” how much has to be insulation resistance?”-. And so many times a machine is required to be rewound without reason, just for arbitrary decision that insulation resistance is too low. And how many times another is run with high risk, and disruptive consequences, of  fault to ground.

]]> http://jmoc.co.th/blog/post-02/feed/ 0 DC motor http://jmoc.co.th/blog/oooooooo.html http://jmoc.co.th/blog/oooooooo/#respond Thu, 28 Mar 2019 13:57:08 +0000 http://jmoc.co.th/blog/oooooooo.html
Messa in servizio MCF Marcegaglia agosto 2012 063

How to explain evolution of brushes sparking?

Not easy to accept, a phenomena which means a rapid deterioration of motor performance. In this are involved several factors, often affecting each other and the less desired of all, a premature replacement of unit.

 

 

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