Somewhere I have read that lithium batteries are prohibited on airlines…but lithium-ion batteries are pervasive in cameras and laptop computers. Also, I use lithium/ferric-sulphide cells [Eveready L91] in portable CD players. How do the TSA folks handle this for carry-on baggage?
I am retired from a weapons-test site where, for safety concerns, every building, bunker and magazine has a ground ring of 4/0-AWG copper conductor directly buried, encircling each—with ¾”x10’ copper-clad rods at corners. Early on, {1950s to 1970s} seven-strand conductor was used, but later...
I attended a lecture on “Circuit Imbalances” where the presenter discussed a relationship where; e.g., in 3ø motors:
Per-Unit Temperature Rise = 2 x (Per-Unit Voltage Imbalance)^2
Is this correlation referenced in an IEEE or NEMA standard or guide? The presenter was unaware of its origin.
SidiropoulosM has been chosen as TipMaster of the week at Eng-Tips. Congratulations, Michael. I think members of the electrical fora appreciate your perspective and contributions.
Congratulations cuky2000 on being voted TipMaster of the Week. Well deserved--with some very detailed replies and references. Listed at eng-tips home page.
Congratulations Dr Bartos on being voted TipMaster of the Week. I believe regular readers on Eng-Tips' electrical subjects are well aware of and appreciate your very patient, extensive and tireless efforts to this message board.
cbarn24050 (Industrial) May 25, 2002
Hi busbar, I to have been amased at some of the posts you can find in these forums. It's a wonder some people hold down their jobs, clearly their bosses don't know what they say on these forums. Originaly for audio forums...
Fresh from today's e-tips home page...
"Congratulations redtrumpet on being voted TipMaster of the Week by the Eng-Tips community."
RT- Please take the rest of the week off with pay.
--From your grateful engineering information recipients
dpc has been "...voted TipMaster of the Week by the Eng-Tips community for having the most helpful posts in the forums last week." Good job, dpc. [The award was posted on the eng-tips home page.]
Posted in Eng-Tips Forums - Community News
"Congratulations electricpete on being voted TipMaster of the Week by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!"
Well deserved, Peter.
