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by jray3
Thu Feb 22, 2018 2:28 pm
Forum: Modifications & Accessories
Topic: Range extender !
Replies: 167
Views: 37039

Re: Range extender !

As I have a salvaged i-MiEV pack on standby, the olde idea of a second trailer-mounted pack is teasing me, and whaddaya know, something useful and relevant popped up on EVTV! Jack connected two 85 kWh TESLA packs together, one at low state of charge and the other high. EV Drag racers used this techn...
by jray3
Tue Feb 20, 2018 11:29 pm
Forum: EVSE (Charging Stations)
Topic: Future of Public EV Charging
Replies: 28
Views: 1009

Re: Future of Public EV Charging

I’m leaning Tesla more and more. I don’t think Superchargers cost that much. Indeed, EVen in expensive CA, a recent model 3 supercharging session costed out at 20 cents/kWh. I've considered the Blink rate of 39 cents fair, here in WA where they're paying under 10 cents per kWh and perhaps another 4...
by jray3
Fri Feb 16, 2018 12:11 pm
Forum: Other Electric Vehicles
Topic: Barriers to EV Adoption are falling rapidly
Replies: 0
Views: 105

Barriers to EV Adoption are falling rapidly

This video is a month old now, but wonderful insights into EV market fundamentals by Pod Point CEO Erik Fairbairn, an EVSE vendor in the UK. https://www.youtube.com/watch?v=9k7k3Mzknm8&feature=youtu.be Given the battery capacity and cost curve, it seems quite possible to repack an i-MiEV battery...
by jray3
Fri Feb 16, 2018 12:02 pm
Forum: EVSE (Charging Stations)
Topic: 12 kW chademo charging
Replies: 20
Views: 5479

Re: 12 kW chademo charging

Yes Joe, the Sunny Island was based on 48V, but the new model will support packs anywhere between actual voltages of 100 and 600 VDC. Our 360V pack is right in the middle.
Here's the spec sheet.
http://files.sma.de/dl/30859/SBS3.8-5.0-6.0-US-DUS173415W.pdf
by jray3
Fri Feb 16, 2018 11:58 am
Forum: General / Main Owners Forum
Topic: I have a secret - odometer display confusion
Replies: 12
Views: 454

Re: I have a secret

Oh great... Next thing you'll let out the secret that Sandange didn't actually drive 92,000 miles in under four years and just rolled his odometer forward for bragging rights! :roll: Curious to hear if an answer ever emerges, such as a replaced computer module, misplaced magnet, solar flare activity...
by jray3
Thu Feb 15, 2018 2:28 pm
Forum: EVSE (Charging Stations)
Topic: 12 kW chademo charging
Replies: 20
Views: 5479

Re: 12 kW chademo charging

360 VDC input is pretty common in the solar inverter world, with maximum ratings of 420 VDC on both of my string inverters. A regular string inverter may be able to be tricked into starting up via a small pure sine wave inverter such as a UPS, which would have to continue running as a reference sign...
by jray3
Wed Feb 14, 2018 5:46 pm
Forum: Modifications & Accessories
Topic: Trailer Hitch Installation
Replies: 57
Views: 15722

Re: Trailer Hitch Installation

I must relay an amazing customer service experience this week. Though Torklift has many long-term employees, they lost the two young ones that I began this odyssey with, so when I showed up to buy a truck part- a staffer that I didn't know gleefully exclaimed "You're driving an i-MiEV; our engi...
by jray3
Tue Feb 13, 2018 3:33 pm
Forum: EVSE (Charging Stations)
Topic: Future of Public EV Charging
Replies: 28
Views: 1009

Re: Future of Public EV Charging

![/quote]Isn't that because once a demand meter is bumped up to a certain peak demand, all future electricity is priced at that demand level until the end of that billing cycle? Don[/quote] Practices vary a lot between utilities and different states. I don't know a term for what Don described, but a...
by jray3
Tue Feb 13, 2018 10:58 am
Forum: EVSE (Charging Stations)
Topic: Future of Public EV Charging
Replies: 28
Views: 1009

Re: Future of Public EV Charging

Back to the main topic, I think that a lot of the new VW and State public charging infrastructure will be underutilized and thought it was because the new stations would mainly serve as insurance and soothe the range anxiety of potential buyers, but according to Joe's experience, I should go back in...
by jray3
Tue Feb 13, 2018 10:55 am
Forum: EVSE (Charging Stations)
Topic: Future of Public EV Charging
Replies: 28
Views: 1009

Re: Future of Public EV Charging

Demand charges are hideous - for example, PG&E's demand rate is $18.64 per kWh (that's right, NOT 18¢/kWh!), and as I understand it this then lasts through the entire billing cycle. tsk, tsk, Joe- probly a typo, but I'll take you to task for perpetuating some of the misunderstandings around dem...

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