I'm just dreading more snowmobile trips in blizzards. Randy
Dennis Burgess wrote: > never had a problem. soo. .lol. Maybge you are over engineering.. > > ----------------------------------------------------------- > Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer > WISPA Board Member - wispa.org > Link Technologies, Inc -- Mikrotik & WISP Support Services > WISPA Vendor Member > Office: 314-735-0270 Website: http://www.linktechs.net > LIVE On-Line Mikrotik Training > Author of "Learn RouterOS" > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Randy Cosby > Sent: Wednesday, October 28, 2009 11:15 AM > To: WISPA General List > Subject: Re: [WISPA] powering finicky mikrotiks on 24v solar > > A couple issues: > > Wasted energy - these converters can go as low as 75% efficient One more > point of failure Often the converters have their own low voltage > disconnect - I went 24v to give myself more battery headroom and time if > we have problems with the solar or wind Often the converters will stop > regulating when the amperage gets too high Maybe I'm just unlucky to > have discovered all these issues, but why should we even bother? > > Dennis Burgess wrote: > >> We run 12 volt converters to 18-20v with 24 volt battery systems. no >> issues. :) >> >> ----------------------------------------------------------- >> Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board >> Member - wispa.org Link Technologies, Inc -- Mikrotik & WISP Support >> Services WISPA Vendor Member >> Office: 314-735-0270 Website: http://www.linktechs.net LIVE On-Line >> Mikrotik Training Author of "Learn RouterOS" >> >> >> -----Original Message----- >> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] >> On Behalf Of Randy Cosby >> Sent: Wednesday, October 28, 2009 11:06 AM >> To: WISPA General List >> Subject: Re: [WISPA] powering finicky mikrotiks on 24v solar >> >> http://forum.mikrotik.com/viewtopic.php?f=3&t=36191&start=0 >> >> I'm pulling my hair out and wasting all kinds of money on voltage >> regulators to make sure my solar and dc-powered sites don't cause >> mikrotik routerboards to go into over-voltage protection when the >> batteries get charged over 28v. >> >> I'm begging (and asking for you to join me) Mikrotik to: >> >> 1. Upgrade the over-voltage protection to 30v or higher on 24 volt >> products. >> 2. Never EVER make another routerboard that runs has over-voltage >> protection at 28v 3. Change the over-voltage behavior to cause the >> device to reboot when the voltage drops to acceptable levels, instead >> of requiring a power-cycle to bring it back to life. >> >> >> Will you join me on this and let Mikrotik, your distributor, etc. know >> > > >> your thoughts on this? This is not a new problem, it has been >> discussed repeatedly on the lists and forums. >> >> Thanks! >> >> >> -- >> Randy Cosby >> Vice President >> InfoWest, Inc >> >> 435-674-0165 x 2010 >> >> http://www.infowest.com/ >> >> >> >> >> ---------------------------------------------------------------------- >> -- >> -------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> ---------------------------------------------------------------------- >> -- >> -------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> >> ---------------------------------------------------------------------- >> ---------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> ---------------------------------------------------------------------- >> ---------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> > > -- > Randy Cosby > Vice President > InfoWest, Inc > > 435-674-0165 x 2010 > > http://www.infowest.com/ > > > > > ------------------------------------------------------------------------ > -------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > ------------------------------------------------------------------------ > -------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -- Randy Cosby Vice President InfoWest, Inc 435-674-0165 x 2010 http://www.infowest.com/ -------------------------------------------------------------------------------- WISPA Wants You! 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