guys. I'm not looking for solar system. I'm not looking for d_c power plant. I know all about those I'm not looking for that. I'm looking for a stupid simple economical u_p_s with an snmp card to power this radio for maybe 5 minutes. Just long enoigh to send me an SNMP command to say "Hey the ac power is gone ...don't bother driving out here." That's all I'm looking for.
Now does anyone have any thoughts. These are not CPE locations. They are commercial hubs. Bob Sent from my Verizon Wireless 4G LTE smartphone -------- Original message -------- From: Sean Heskett <af...@zirkel.us> Date:12/01/2014 1:48 PM (GMT-05:00) To: sc...@brevardwireless.com, WISPA General List <wireless@wispa.org> Subject: Re: [WISPA] Solar setup recommendations... You'll need to do some math first. How many watts of power do you need, multiply by 24 to get your daily usage. Add in some buffer if you think this site will expand (it probably will). For instance say your draw is 100watts * 24 = 2400watts. In Florida on dec 21st you should have 5 hours sunlight available (there are government charts that can tell you exactly what to expect) 2400/5=480watts this is your array size (solar panels) Once you have your daily usage, how many days do you want to run with no sunlight?? in Florida you will probably only need a couple days. 2400 * 2 = 4800watt hours ( you need to double this since you don't want the batteries to go below 50%) 4800*2= 9600watt hours. This is your storage capacity (batteries) So for panels you want to shop for 500-600watts of panels. Three 200watt 24vdc panels should be fine or two 250watt panels. It all depends on how much expansion you want this site to be able to handle. For batteries we us UB4D sealed batts. They are 210amp 12vdc = 2,520 watt hours. So you'll need 4. Connect 2 in series, 2 others in series and then those 2 banks in parallel (to get to 24vdc) For charge controllers I really like the Morningstar tri-star MPPT chargers. But any MPPT controller is fine. Be sure to fuse and breaker everything!!! We usually buy from wholesalesolar.com they have decent prices and they will answer all your questions and find you all the right parts etc. Good luck! Sean p.s. The above calculations were based on assumptions like 100watts of draw, 2 days of runtime in Florida etc. you'll need to adjust accordingly to your needs. On Monday, December 1, 2014, Scott Carullo <sc...@brevardwireless.com> wrote: I have a new site that needs to be powered by solar. Needs to run a MT 2011 router and 4 UBNT rocket 5Ghz radios. Would like it to be 24v based since that is what all the equipment requires. Also a battery recommendation would be super, controller etc. Its all being mounted outside on a pipe which is chain mounted to a monopole tower at 60ft. Just need the shopping list to make this happen. I appreciate your input and your time, thanks. Scott Carullo Technical Operations 855-FLSPEED x102
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