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  1. pennsy

    Matrices with a Calculator ??

    I have some what of a dilemma, I was asked to do some analysis that involved Matrices. Ok fine . However I didn't have any reference material with me I put it of until tomarrow, since I havn't done Matrices since the middle of the Sixties ( the 1960s) and needed to 'whip out my circuits' book...
  2. pennsy

    Stray Voltage question

    Has anyone heard about new legislation, ie new state laws regulating Stray voltage ? I received from another site a letter about Wisconson writing new laws governing stray voltage, especially on dairy farms. I know this can be a problem but do we really need more government regulation...
  3. pennsy

    IEEE Color Book series

    This is a two part question. The first although is not related to the second. 1. Where can I get the IEEE color Book Series ? and in which of the series is grounding(Residential/Commercial) covered? 2. In my area of Ohio anyway, the utility is doing away with the line fuses(aka, Line-cut...
  4. pennsy

    Bearing Stands Grounding

    This question has been bothering me for 30 years. This was a Motor room. There was one 1000 hp synchronous motor, a 500kw generator(for main mill drive) and 2 250 kw generators one for each of the reel on a rolling mill. In 1972 we replaced the MOR's for Reliance drive paks, far cry from what...

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