Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uflorida!ukma!husc6!genrad!decvax!cvman!gdelong From: gdelong@cvman.UUCP (Gary Delong) Newsgroups: sci.electronics Subject: Re: How a watthour meter works (was: 110V vs 220V summary) Message-ID: <590@cvman.UUCP> Date: 28 Apr 89 17:09:14 GMT References: <3312@ihlpm.ATT.COM> <4958@ingr.com> <559@cvman.UUCP> <3110@kitty.UUCP> Organization: Computervision, Manchester, NH Lines: 23 In article <3110@kitty.UUCP>, larry@kitty.UUCP (Larry Lippman) writes: | In article <559@cvman.UUCP>, gdelong@cvman.UUCP (Gary Delong) writes: | > That sounds like it would make the accuracy of the meter very dependent | > upon the type of load. ie: wouldn't an inductive load really screw | > things up? | | You are correct. That is why virtually all commercial customers | of electric power utility companies with an electric service of greater | than 200 amps are also metered for reactive kva (RKVA). Newer meters have | dual indicators for both measurements within the same meter housing, and | older power installations or those for large services use separate meter | housings. | | <> Larry Lippman @ Recognition Research Corp. - Uniquex Corp. - Viatran Corp. Hum.. Sounds like I might have a use for all those 5KVA Topaz transformers I picked up. -- _____ / \ / Gary A. Delong, N1BIP "I am the NRA." gdelong@cvman.prime.com | \ / COMPUTERVISION Division {sun|linus}!cvbnet!gdelong \____\/ Prime Computer, Inc. (603) 622-1260 x 261