Bruce - Very nice summary. Rush Dougherty Tucson AZ 85719
> -----Original Message----- > From: EV [mailto:[email protected]] On Behalf Of brucedp5 via EV > Sent: Sunday, November 06, 2016 2:21 PM > To: [email protected] > Subject: [EVDL] EVSE @the work place: Bolt EV's In Production > > Peri sez >your system serves only 100 cars per day (maybe a few more if people shuffle > around at noon)< > > I won't bore you with all the EVSE I requested put in at several hp sites, those were a long > time ago, ancient history mixture of L1 and 14-50's, and have since been yanked out as most > of those sites hp sold off. > > Instead I use the former Sun Microsystems site in Menlo Park, CA > http://jacobsschool.ucsd.edu/events/2012/facebook/images/facebook_parking.jpg > (map of bldg numbers, pre-Facebook site revamp) > http://www.zdnet.com/i/story/62/77/002995/facebook_east_campus_menlo_park_big.pn g > > [sidebar - history: > A lot has changed since FB took over that site, it is no longer the quiet pleasant high-tech site > Sun made it into: > https://www.quora.com/What-changes-is-Facebook-making-to-the-former-Sun- > Microsystems-campus-in-Menlo-Park > > Instead, it now has very tight (paranoiac) security, yet a favorite of the public to get a snap of > their FB sign out front of the main entrance (when you drive by, you most likely will see people > taking a photo-op in front of the FB sign) https://encrypted- > tbn0.gstatic.com/images?q=tbn:ANd9GcTIwnjWgXKNREv57vLPd8HCDfQXlGpyE8xrmuj5nf > gUU64Vqebj > > http://www.businessinsider.com/why-suns-logo-is-on-the-back-of-facebooks-sign-20 14-12 > But on the back of that FB sign is the last original Sun sign. FB CEO had it flipped around > and the then back painted over to use it as FB's sign front (presevering Sun failure/folding) > http://v6.designforfun.com/display.php?id=142 > to remind FB employees to 'keep working' (sort of like employee motivation via regular 1k > Volt shocks - its very different at FB, lots of motivation slogans, etc.). > / sidebar] > > With a boat-load of cash flow, that FB site has a whole lot of employee EVSE. If you bring up > plugshare with that site's address, plugshare won't show any public EVSE (FB got plugshare > to not display/show FB's employee EVSE. I used to show on plugshare before, but now it > doesn't). > > But if you are smart (like me) there is a way to still find all the EVSE (I and others) have > documented on plugshare: > https://www.google.com/search?q=plugshare.com+facebook+menlo > > Facebook - Building 12 | Menlo Park, CA > api.plugshare.com/view/location/12691 > > Facebook - Building 15 | Menlo Park, CA > api.plugshare.com/view/location/56279 > > Facebook - Building 14 | Menlo Park, CA > api.plugshare.com/view/location/12481 > > Facebook HQ | Menlo Park, CA > api.plugshare.com/view/location/6273 > > > Many of the images shown are now old as FB has yanked the Blink EVSE for Chargepoint, > and even some of their older CT2100 Chargepoint EVSE were replaced by newer CT4000 > Chargepoint EVSE (FB has lots of cash, so repeatedly spending money on EVSE like this is > no problem for FB). > > So, at bldg18 all the Blink shown are now chargepoint https://13dd3533ebd96a38e097- > ffd458871468d7801be60d93d5d79b26.ssl.cf2.rackcdn.com/45930.jpg > but notice that image is old as today, the EVs are no longer all Leaf EVs, but a wide mixture > of EV brands. Employees come to work, plugin, and then relocate at lunch time to make the > EV spot available for some other plugin. > > There is a 50kW CHAdeMO L3 EVSE at bldg 12, but most of the EVSE at that FB is L2- > 6kW chargepoint. Their L2 is scattered around from a couple in front of bldg 10 (hq), bldgs > 12 & 18, to several in the bldg 15 parking lot. > > https://13dd3533ebd96a38e097- > ffd458871468d7801be60d93d5d79b26.ssl.cf2.rackcdn.com/15297.jpg > Bldg 15's EVSE particularly impressed me, as it seemed to be the last EVSE installations > FB put in at that site. > > The facilties person utilitized 6 of the existing cement pad squares in the parking lot (between > the parked cars) to install in each: two dual L2-6kW coupler CT4000 Chargepoint EVSE, > along with putting one duplex 5-20 outlet at the bottom of each CT4000. > https://www.chargepoint.com/img/branded/fb_menlopark2.jpg > > Each of the duplex' two L1 outlets were on their own 120VAC 20A circuit. So, each pad had > 4 L2-6kW and 4 L1 charging. That may seem like over kill, but FB did this EVSE installation > in a big way. > https://www.chargepoint.com/img/branded/fb_menlopark3.jpg > So, there is an example of EV spot parking that can charge at either L2-6kW or L1 (wow!). > > If you look at the two last images, you will see the plugins are either EVs that can only L2 > charge at 3kW or pih that can only charge at 3kW. When I had visited the site a long while > ago (before being chased out by FB security), there were some Tesla, and Focus EVs > plugged into L2, but most in that long EV charging row of beaucoup EVSE were only pulling > 3kW at most. > About 20% were charging off L1 using their portable EVSE. > > > I would also like to use that work site as an example of how L3 can be implemented. FB > originally installed 1 Blink 50+kW L3 EVSE that had two couplers (but only one at a time can > be used/powered), with a long row of Blink L2-6kW farther down: > https://13dd3533ebd96a38e097- > ffd458871468d7801be60d93d5d79b26.ssl.cf2.rackcdn.com/6677.jpg > > The Blink L3 is still there, but the Blink L2 have been replaced by CT4000. > Comments on the (above) plugshare listings mention that the employee's with Tesla EVs are > hogging the Blink L3 (via a Tesla to CHAdeMO adapter). > > To me because FB is doing EVSE in a big way, I am guessing that FB will likely upgrade > those nearby chargepoint L2 they just put in, to L3 EVSE (they have the money they can do > what they want). > > Since FB has for the most part mostly migrated over to Chargepoint, they likely will start > installing ChargePoint Express CPE200 dual coupler L3 EVSE that can charge either > CHAdeMO or ccs https://www.chargepoint.com/products/commercial/cpe200/ > > IMO I would rather see twice as many 25kW L3 installed with a mix of CHAdeMO and ccs. > Using a 50+kW L3 EVSE: > -A 100mi EV will L3 charge in .5hr > -A 200mi EV will L3 charge in 1hr > -A Tesla might take as long as 1.5+hr. > > The 25kW L3 equipment hardware, and utility installation cost would be lower when > compared to a 50+kW L3 EVSE. More employees would feel plugged in before starting their > day. And FB could keep the 50+kW Blink around for those in a big hurry. > > Using a 25kW L3 EVSE, the charge times are doubled: -1hr, 2hr, 3hr. > This is fine for employees to not have to wait around for the L3 to finish. > They can go to a meeting and come back to move the EV to finish the charge off L2/1 > elsewhere. > > While it is most likely FB would also offer a valet service for this, for those companies where > the employees have to leave their desk to do this, the slower, less expensive 25kW L3 might > time better for their productivity (plug it in, come back in a few hours, and move, rather than > waiting around). > > 25kW ccs L3 on a chargepoint network > https://www.chargepoint.com/products/commercial/cpe100/ > > 25kW CHAdeMO L3 on a chargepoint network is *not currently available So, my above > 25kW L3 chargepoint network method would have to wait until it is. > > > > > For EVLN EV-newswire posts use: > http://evdl.org/evln/ > > > {brucedp.0catch.com} > > -- > View this message in context: http://electric-vehicle-discussion- > list.413529.n4.nabble.com/Bolt-EV-s-In-Production-tp4684295p4684325.html > Sent from the Electric Vehicle Discussion List mailing list archive at Nabble.com. > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA > (http://groups.yahoo.com/group/NEDRA) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
