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  1. Blackcountryman

    Reliability for electrical distribution systems

    I'm starting to look at Power distribution systems both MV and LV requirement is similar to Data Centre Tier 4 but a different industry. The IEEE Gold Book has been recomended as a good starting point. I'm not going to do the detailed design but be involved in the management of the process. I...
  2. Blackcountryman

    Smith Prediction

    Can anybody point me to information on "Smith Prediction" I'm told that it is a variation on 3 term control that can look forward to what will be happening in the future. I can find many articles that refer to this but not a publication that gives me the basic information. As ever I need it...
  3. Blackcountryman

    History of PLCs

    I've also put this query on the Engineering History Forum but thought I would try here as well I'm writing a paper about the development of programmable controllers and looking for any published information from about 1968 to 1976. I have searched the IEEE & IET(used to be the IEE) catalogues...
  4. Blackcountryman

    History of PLCs

    I'm writing a paper about the development of programmable controllers and looking for any published information from about 1968 to 1976. I have searched the IEEE & IET(used to be the IEE) catalogues and the first reference I can find is an IEE Colloquium from 1976. I have a copy of Dick...
  5. Blackcountryman

    Leading zero's

    I need to pu serial numbers into a spread sheet complete with the leading zero's. I need 00001234 not 1234. I've done this in the past but can not remember how. Can any one help please? John ps it's excel 97.
  6. Blackcountryman

    Measuring light levels

    I've inherited a trial of a energy saving device (voltage reduction) for high mast lighting, our lighting specialist has retired and gone to live in Spain. The spec calls for horizontal illuminance of 20 lux with uniformity factor of 4:1 and verical illuminance of 20 lux at a hight of 2m. I...
  7. Blackcountryman

    Excell to comma seperated data

    I have a column of numeric data in excell that has to be converted for imput into another program. I have 1 2 3 4 etc. I need 1,2,3,4,etc. I thought saving as CSV would do it but is still gives me a column of figures when I view it in notepad Any ideas John
  8. Blackcountryman

    Has the engineering process changed?

    The 45 years since I started my apprenticeship as an electrical engineer have seen continuious change. Most of the products I worked with then are museum pieces, even the tools have changed from a drawing board & slide rule to CAD and CAE tools. My question is has the basic process changed, I...
  9. Blackcountryman

    PE or Not PE

    I'm fairly new to this site and sitting in England reading about who can call themselves an Engineer, paricularly in the US and Canada, is confusing me. I work for a multi-national company with a large operation in North America and I rarely if ever hear any of our engineers refered to as PE...
  10. Blackcountryman

    Management or Leadership

    Whats is the difference between Management and Leadership & do we need both? I think they are very different management is great at handling day to day problems. Things like budgets, project schedules etc when things are running on the rails. When things go seriously wrong, as in the south of...

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