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Marke's Rants



Emc Testing With Vfds

Posted by marke, 01 January 2012 - - - - - - · 1,471 views

Most European and Australasian countries require that VFDs are tested to comply with EMC standards.
USA and Asian countries do not have this requirement.

The tests are prescribed as a requirement for CE compliance (Europe) and CTick compliance (Australia and New Zealand).

The laboratory tests require two types of emissions be tested, 1) radiated emissions...


Energy Saving Scams And Mis Representations

Posted by marke, 09 September 2007 - - - - - - · 1,899 views
Energy Saving
There are many energy saving schemes promoted in the industry today, some of these work, but many either can not work, or can not work in the manner that they are promoted.

In order to reduce energy consumption, there must first be energy wasted, and second, a means of reducing that energy wastage.
You can only save a portion of the energy that is being...


I Hate Spam

Posted by marke, 03 May 2006 - - - - - - · 2,452 views
SPAM
These days, there are very few people who have managed to avoid that scurge of the internet, SPAM.

The origin of the word is unclear, with some suggestion that it cam from a Monty Pythons sketch.

I can get upwards of 400 SPAM emails a day and it can be an issue trolling through all that garbage. - I don't and I know that I do miss some legitimate...





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