[aprssig] Tesla Field Day mode (or any EV/Hybrid)

Wed Feb 27 11:17:21 EST 2019

"Cheaper to buy, cheaper to maintain"? I thought you were talking about a
Tesla. You can buy (and insure) a half dozen little 40mpg economy cars for
the price of a Tesla.

Michael

On Wed, Feb 27, 2019, 06:50 Robert Bruninga <bruninga at usna.edu> wrote:

> True!   No one says an EV is best for every need.  The purpose of EV’s is
> to provide an alternative for the 95% of US vehicle transportation that is
> just wasting fossil fuels doing local daily miles that can be done better,
> faster, cleaner and cheaper to buy, cheaper to operate and cheaper to
> maintain.  For the other applications such as you describe (about 5% of the
> average national transportation need), of course a fossil fuel wins hands
> down.  Each individual need is unique and there are now all kinds of
> options from massive diesel trucks, to simple EV commuter cars.  Each
> person chooses what best meets his need.   Bob
>
>
>
> *From:* aprssig <aprssig-bounces at lists.tapr.org> *On Behalf Of *Ron
> Stordahl AE5E via aprssig
> *Sent:* Tuesday, February 26, 2019 4:32 PM
> *To:* aprssig at lists.tapr.org
> *Subject:* Re: [aprssig] Tesla Field Day mode (or any EV/Hybrid)
>
>
>
> "We have a much better situation around here"
>
>
>
> We have truck stops with diesel fuel.  I drove my Ford Excursion Diesel
> home, with a bunch of skiers once, from Bozeman Montana to Thief River
> Falls Minnesota one winter night when it was 20 below zero.  Only had to
> stop in Dickinson North Dakota (7 hours 500 miles) to fuel up and get some
> grub.  Just another 400 miles to get home by daylight.  Nice and warm, with
> heated seats! All our ski equipment, luggage and emergency supplies fit
> nicely in the back. My Kenwood D710 was putting out APRS spots and worked a
> little HF DX on my old Icom 706 with no ignition interference at all!
>
>
>
> If I had seen some Tesla's stalled with dead batteries I would have been
> happy to rescue the occupants from freezing to death, assuming they could
> lower their pride to ride in an internal combustion engine vehicle.  I bet
> they would have jumped at the chance!
>
>
>
> I am old and I can't recall a colder winter with more snow than this one.
> Off my driveway I have snow piled up 15 feet.  I could sell lift tickets! I
> would welcome global warming. Its not happening. Forecast tonight is for 35
> below wind chills. An ice age seems more likely.
>
>
>
> Do they have snowplows for 4 wheel drive Tesla's? Or do you have to pay
> double for two vehicles..one for showing off and a second for survival?
>
>
>
> Today there is no wind at all, the blades are not turning, it is
> completely overcast, with limited visibility, the solar panels are at zero
> volts.  Thankfully the lignite coal fired generators in North Dakota are
> churning out electricity nicely so we will survive.
>
>
>
> I am doing my part by turning down the heat to 60 degrees at home so you
> know I care!
>
>
>
> Ron, AE5E
>
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> On Tuesday, February 26, 2019, 10:41:26 AM CST, Andre <
> aprs at pe1rdw.demon.nl> wrote:
>
>
>
>
>
> We have a much better situation around here,
>
> Public charging points (3x32 amp 240 v) are free to get installed for
>
> any company or city if they can show proof of demand, the charge net
>
> provider forks the bill because they will be the ones to get the profit.
>
> charging cost is about 20 eurocent per kwh with the average EV using
>
> about 10 kwh per 100 km it would be less then 2 euro per day without
>
> charging at home.
>
> Now comes the best part, with both smart charging and V2G enabled and
>
> the charge network participating in grid balancing auctions, the EV
>
> owner gets a cut back from the charging company and the employer does
>
> not have to do anything for it except request the number of charging
>
> points that are needed free of cost.
>
>
>
> The employer would not gain anything here from doing it themselfs as we
>
> do not have peak demand charges, they just pay for the max they can
>
> draw, be it 3x80 amp 240v for a small dedicated line or a 3x32amp 10 kv
>
> line and the amount actually used, the max capacity also counts for
>
> delivering back, afterall the components do not care what way the
>
> current flows.
>
>
>
> 73 de Andre PE1RDW
>
>
>
> On 2/25/19 6:10 PM, Robert Bruninga wrote:
>
> > V2G charging and grid management:
>
> >
>
> > I think this Vehicle-to-Grid (V2G) concept will never take off, simply
>
> > because it cannot work unless the cars are plugged-in all day.  This WILL
>
> > work if workplaces do employee charging the right way, that is, with rows
>
> > and rows of parking spaces with simple 120v outlets.  During an 8 hour
>
> > work day, the average EV can gain up to 30 miles of daily range to
>
> > replenish their incoming commute while costing about 50 cents a day.
>
> >
>
> > But since so few "employers" have any EV experience, they opt for very
>
> > expensive $5000 Level 2 chargers instead of a $15 outlet from Home Depot.
>
> > As a result, these big expensive chargers have to be shared throughout
> the
>
> > day, require expensive internet and credit card connectivity and
>
> > management and each person that plugs in only for an hour or so has to
>
> > move their car every hour or so and does not want any of his electricity
>
> > to go back to the grid, he wants the charge!
>
> >
>
> > But with every car plugged into a 120v outlet (the right way), the
>
> > employer can use that fixed daily load to balance his dynamic load and
>
> > thereby actually reduce his peak-demand charges.  And the financial
>
> > benefit of demand-response loading can likely exceed the 50 cents a day
> to
>
> > charge an EV and so most likely allow the employer to provide the
> charging
>
> > for FREE.
>
> >
>
> > It's a win-win.  Every EV gets a pretty good commuter charge per day for
>
> > low cost or free, the employer saves electric bill money by managing peak
>
> > demand, and the grid wins by reducing dynamic demand..  And all of this
> is
>
> > accomplished without ever having to use V2G and all its inherent social
>
> > negativity.
>
> >
>
> > Its an exciting new world of energy.  If people will just wake up to the
>
> > potential...
>
> >
>
> > Bob, WB4APR
>
> >
>
> > -----Original Message-----
>
> > From: aprssig <aprssig-bounces at lists.tapr.org> On Behalf Of Andre
>
> > Sent: Monday, February 25, 2019 10:47 AM
>
> > To: aprssig at lists.tapr.org
>
> > Subject: Re: [aprssig] Tesla Field Day mode (or any EV/Hybrid)
>
> >
>
> > I am currently working for a electric grid company in the Netherlands,
> the
>
> > current charging protocol of electric cars support both smart charging
>
> > (only charge when there is a surplus of energy) and back charging
>
> > (supplying energy back to the grid when there is high demand) off course
>
> > this requires a charger that can support this, most home chargers can not
>
> > but the newest public chargers (non fast charge) are capable if enabled.
>
> >
>
> > So it is not the car that is limiting this but rather the charger you
> use,
>
> > as the charging protocol is public it might be possible to make your own,
>
> > not sure I would recommend it as we are talking several 100 volt DC.
>
> >
>
> > 73 Andre PE1RDW.
>
> >
>
>
>
>
>
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