voltage drop and continuous load

[hurk27]

Re: voltage drop and continuous load

By rattus The electronic ballast I presume does the same thing, and I presume it could provide DC which would eliminate the flicker in fluorescent lights, but there may be other considerations. Anyone know if electronic ballasts provide DC?

Quite the opposite as electronic ballast send a high frequency voltage to light the bulbs at about 25khz. This allows them to light more efficiently and even in cold weather.

 

[physis]

Re: voltage drop and continuous load

Could be pulsed DC.

 

[hamburgerpatty]

Re: voltage drop and continuous load

I apologize for not posting the exace variables Physis. I didn't have the exace K value for 2/0 copper. If I remember correctly, the exace K for copper changes with each size. Each exact K is close, but not the same for each size of copper. I use my Electricalc based upon the 1999 Cod. That is why I came up with 2.6% voltage drop.

Thank you everybody for your help.

 

[physis]

Re: voltage drop and continuous load

Just curious. It's teperature that changes K. I have 12.88384 at 75?C. I don't use NEC for math.