Hi Folks,
The next version of ISO 15118 will include V2G. Usual scenarios are:
Home/business Island, Camping, and Grid Stabilization.
A lot of this came from Japan, where they have strong interest in V2G
(especially after Fukushima). Note that CHAdeMO already has V2G.
Cheers, Peter
On 9/11/19 3:36 PM, Dan Baker via EV wrote:
Thanks Cor for the info. Maybe someday a revision to V2G will allow this,
doesn't seem like much of a change to make it happen. I understand why Grid
tie solar isnt setup this way, a passing cloud could easily drop output
below the power required, what happens at night, too many variables. But an
EV would supply steady power output.
Cheers
Dan
On Wed, Sep 11, 2019 at 5:54 PM Cor van de Water <[email protected]>
wrote:
Dan,
One word – no.
Typically V2G or V2H is acting exacly like a Solar inverter, meaning that
it can deliver power when there is already AC power to begin with. The
reason is that it is designed for load support (brownout protection) for
short periods of time where the grid gets overloaded. When the grid fails,
the charging station will shut down and not even attempt to connect to the
car.
In theory the car is capable of generating a micro grid and in addition
you find this function on some inverters that connect to the Nissan Leaf DC
Fast Charge port (CHAdeMO) while the Combo port is in standardization to
allow bidirectional power transfer. This type of inverter is “island”, so
it cannot connect to the grid, but you can generate power, it simply uses
the car battery as backup battery.
I have seen a few people who connect a UPS to a Prius Hybrid battery,
allowing more than the ~800W of AC power, though typically you do not need
a lot of power to keep the fridge going, if you can do without electric
heat.
As soon as you want to run a microwave or water cooker or electric coffee
maker, you need more than 1kW inverter. Having a gas stove, a BBQ or
similar non-electric powered cooker is helpful if you like to have warm
food or drink during a power outage…
Cor.
Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
Windows 10
*From: *Dan Baker via EV <[email protected]>
*Sent: *Wednesday, September 11, 2019 12:37 PM
*To: *Electric Vehicle Discussion List <[email protected]>
*Cc: *Dan Baker <[email protected]>
*Subject: *[EVDL] V2G - any specs for home power generation during
outages?
In the wake of Hurricane Dorian, my province Nova Scotia had over 400,000
customers without power. Our home had no power for over 27 hours. Luckily I
have lots of batteries and a generator but many homes did not have a backup
option and still 60,000 are on Day 4 without. One gentleman ( a fellow FB
friend) used an inverter off his Chevy Volt to power his fridge and
freezer:
https://www.cbc.ca/news/canada/nova-scotia/electric-car-hurricane-dorian-1.5274674?fbclid=IwAR29ajKp3gBsVsgdGniiMv6s9fTgtMRSMvHNoCKnMiCjhIyL8i3D-PgLex0
Not the most elegant setup but worked great none the less. My question is,
does Vehicle to Grid have any options for home power during outages? Would
seem to be a great opportunity for EVs, instead of buying a generator use
that money towards an EV and a V2G equipped charger. Obviously some safety
measures would have to be put in like a bypass switch used in panel fed
generators. Would probably be even safer than a generator as usually 1-2
people die a year in this province alone from carbon monoxide poisoning
from generators not placed in a well ventilated area.
Thanks
Dan
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