From owner-freebsd-questions@FreeBSD.ORG Sat Nov 29 22:19:00 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 62EA87ED for ; Sat, 29 Nov 2014 22:19:00 +0000 (UTC) Received: from nm27.bullet.mail.ir2.yahoo.com (nm27.bullet.mail.ir2.yahoo.com [212.82.96.51]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A2F2ACFF for ; Sat, 29 Nov 2014 22:18:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rocketmail.com; s=s1024; t=1417299537; bh=H81lX21P/v3t/mkELZ8Tq3eHAaZCjGVh+rpahogCWfo=; h=Date:From:To:Subject:In-Reply-To:References:From:Subject; b=UujnTjKHdSJGEFebJ4ynpmPy5esGq5duoFTLM8qgK1ULebTd5weuFVEYLLm+FQY/cjiuvd/hv4wd/r/ap2Bcp0C5vJMAKY+IEO6LufI9M0pvjyWWNFnpr7haQgiUo7D2VHb+hCA/CzUfr7QIfsSd299MsGE1UvBehJqtj+fkyqw= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rocketmail.com; b=G+Wnu8Aft3ROiGrLS8URLA4UbIb3uYZO6mwxBVkz9dEpuE0qAz4r/GAc9/u8nd2BRrRn/swb6TatqPlukMXPWQq3nJRO6k5vCX8qSMW4SyNxYTcxd8/YIzMrMjYhTlRFbvonQInPgpwl+b0suv3jWgP2Mr25jBaMbayRDEvcWbs=; Received: from [212.82.98.127] by nm27.bullet.mail.ir2.yahoo.com with NNFMP; 29 Nov 2014 22:18:57 -0000 Received: from [46.228.39.80] by tm20.bullet.mail.ir2.yahoo.com with NNFMP; 29 Nov 2014 22:18:57 -0000 Received: from [127.0.0.1] by smtp117.mail.ir2.yahoo.com with NNFMP; 29 Nov 2014 22:18:57 -0000 X-Yahoo-Newman-Id: 105977.5411.bm@smtp117.mail.ir2.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: zAsM8aIVM1mE_5Vhn7nPDJRSjZ4vYssFUVl4Jbb7zWatScd CZ67UVk83FOXY5.8f8StNqfJAkvHB_lxB9YC3jUqOiWSVREIldYPNSQRxwoo cKlG_ciLp2Pv_xnEDuWeNiF86v9BbSr5HOLBdNNoj2h0kQoBEPXCQ_muIwqM Czlet_jd6vKDPeJAAjsz5Pwynh1LefIx_gkfJXx7hoqVla2zts0bxC1VvutI DQpia2uU93F8Y5j5MpqHHpjdMYuN9PuLoN.GA837y1GniLA9xKYSiM9YMN8n gVGjdDjuTkY9wTLaWkm_SNS2elo4T0ps7kjdULEdFSE9tfps3EjV5KzjQnFr N0zvNOY_WYif3FqH4_6Kb66iE_kuHvb6Eyvh3q4lq2rkkC9CbwTcVR2LMQLB JK5MsPPzYm5COooVfVkrmLJkQyL34HHYmYa5WIBsH391cm5Ri8Biclz9wMtx Ko97J5UTSp5FTxVSFIIP4V0F3BDspjwfueDcoEXpSkQGRG853EKY59N7yfss iBvY6f1itidCCSTrVLz8cGz9PtqR.Gx.maWJw2Hnmm_h2gOEVsntoafoV5Wh Tscc3QRHfKi0IBVXSQm_5WSRDtc_ox1McpvIEm_GDsX.C6U_oUKe4COQ3bzv 7_Nx31X7gtBBawpxW17bj_.Of8wLXBGqiow6SrA_AcSt7rjZzCYItfUNcGPz NxIR5KJyOmVRqdwuBhq8sY8jqxA-- X-Yahoo-SMTP: BeMCPs2swBABTJ3kAeEiC_hE0mz8jRexLddJfD8pI2j32fOacjBmXg-- Date: Sat, 29 Nov 2014 23:18:55 +0100 From: Ralf Mardorf To: freebsd-questions@freebsd.org Subject: RE: OT: UPS for FreeBSD Message-ID: <20141129231855.66655d39@archlinux> In-Reply-To: <01a701d00c18$01a51990$04ef4cb0$@on.ca> References: <54777AB1.9010800@bluerosetech.com> <54779629.302@bluerosetech.com> <5478BD4F.7020306@yahoo.com> <5478BEE6.30308@bluerosetech.com> <5478CC08.9090307@yahoo.com> <20141128204722.561f948e@archlinux> <5478F16A.80605@yahoo.com> <54791d3a.w/pI0kak03d+3nKC%perryh@pluto.rain.com> <547937AB.1030706@radel.com> <20141129121211.014cb856@X220.alogt.com> <547A24F7.6070100@bluerosetech.com> <547A2ADD.4020106@gmail.com> <01a701d00c18$01a51990$04ef4cb0$@on.ca> X-Mailer: Claws Mail 3.11.1-34-g5c904ff (GTK+ 2.24.25; x86_64-arch-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Nov 2014 22:19:00 -0000 On Sat, 29 Nov 2014 16:04:03 -0500 "Matt Emmerton" wrote: > You might be interested to learn that many electrical utilities > across the world use DC transmission systems over hundreds or > thousands of kilometers. >=20 > http://en.wikipedia.org/wiki/List_of_HVDC_projects Too funny, a few years back another discussion on a FreeBSD or Linux mailing list was about the DC preconception, that only AC could be used for current transmission. Even dictionaries mention that it's common practise to use DC too. "high voltage direct current transmission Hochspannungsgleichstrom=C3=BCbertragung {f} " - http://www.dict.cc/?s=3Dcurrent+transmission