...and most equipment is rated to perform within specs only within +/- 10% line voltage.
George, KA3HSW -----Original Message----- >From: Eric Lemmon <[EMAIL PROTECTED]> >Sent: Sep 4, 2007 11:24 PM >To: [email protected] >Subject: RE: [Repeater-Builder] An interesting observation..... > >This sounds like a classic case of voltage sag, made much worse by a lagging >power factor. Although not an absolute cure-all, the first thing I would do >is put a couple of kVAR of capacitive reactance in place. The chances are >good that the power factor is well below power-industry standards at that >site. Ideally, the steady-state power factor should be above 0.9 and the >target is above 0.95. Adding some capacitors across the line will improve >both the voltage regulation and the power factor. Ask the utility to have a >power-quality engineer evaluate this site. The national standard is 120 VAC >+/- 6 VAC. Anything outside this range should be reported to the utility as >unacceptable. > >73, Eric Lemmon WB6FLY > >
