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Wiring Regulations Literary Question

Former Community Member
Former Community Member
Hello all, I wonder if someone can help me please?

https://en.wikipedia.org/wiki/Voltage_optimisation#Overvoltage

I'm trying to get a reference for a section in this wikipedia article to put in a report I'm writing but I can't find the original source. Under the "Common Power Quality Problems > Overvoltage" section there is a sentence that describes "A 230 V rated lamp used at 240 will achieve only 55% of its rated life". From the article I believe it is from the book "Commentary on IET Wiring Regulations 17th Edition" from 2016, ISBN 1849197652.


I have tried to find it in a library as I don't have £90 to drop on a new copy of it, just to see if it is this book I should be referencing in my report, but I've had no luck there. Is there perhaps anyone with this book that knows whether or not the quote does indeed come from it or not?


Any assistance with this query would be greatly appreciated.

Thanks in advance

Alan
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    From my book entitled; "Practical Engineer ELECTRICAL Pocket Book and Diary 1910."

    Dr. Fleming in a course of lectures to the Royal Institution showed a series of curves for a 16 candle power 100 Volt lamp. The conclusion reached was that 98 Volts gave 15 candle power. !00 Volts gave 17 candle power. In other words a variation of 2 per cent in the supply Voltage showed a variation of nearly 12 per cent in the light emitted.


    Z.
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    From my book entitled; "Practical Engineer ELECTRICAL Pocket Book and Diary 1910."

    Dr. Fleming in a course of lectures to the Royal Institution showed a series of curves for a 16 candle power 100 Volt lamp. The conclusion reached was that 98 Volts gave 15 candle power. !00 Volts gave 17 candle power. In other words a variation of 2 per cent in the supply Voltage showed a variation of nearly 12 per cent in the light emitted.


    Z.
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