Having never heard the term V2X before, a quick search brought me to a wiki page that describes it as the wireless proposals to allow for vehicle-to-'everything' communications that would allow for higher safety and efficiency.
I still find the older term vehicle-to-grid more useful here. The idea of the default being grid-to-vehicle but at some point a vehicle knows it is sitting long enough it can "loan" power back to the grid.
Communication needs to be involved (the vehicle has to switch "modes", the vehicle needs to negotiate the "terms" of the loan, such as that it needs to be 100% by a certain deadline such as "school pickup" or "end of workday", what sort of "interest" it expects back on the loan), but the interesting part is the power delivery that opens up. It can help grid operators smooth high demand periods. It can help vehicles spend less time at 100% charged and focus more on "charged just in time", now that we have a better idea about Lithium Ion batteries that time spent in 100% charged states are some of their worst wear and tear.
V2X is kind of the "IOT" meets "USB Power Delivery" next layer on top of V2G. It seems a lot more bogged down in the communications side of it because "everything" can mean a lot of things, but the overall goal of all that communications is still moving power from a battery to somewhere else over time (while also making concessions to get power back into that battery at a later time).
"V2X technology, which lets vehicles feed power back into the grid"
Never heard this before. V2X used to be quite well-defined as a term in mobile communication.
The origin is that it's an evolution of the communication term M2M (Machine-to-Machine), which covers communication where none of the parties is a human (unlike other scenarios where a human is either on the originating (MO) or terminating (MT) end of a mobile connection).
Vehicle-communication was "branched out" into a separate term as it has a set of unique use-cases and requirements --> V2M (Vehicle-to-Machine)
Then it was expanded to local P2P connectivity to other vehicles (mostly not mobile network-based) --> V2V (Vehicle-to-Vehicle).
When it was expanded again to also include local connections to other "members of traffic", i.e. roadside units, traffic-lights, etc., with standards like see IEEE 802.11p gaining momentum and 5G came along as a potential cellular bearer for all of it, it was merged into a single term --> V2X (Vehicle-to-everything).
In this case it's not communication, it's using the school buses as power supply
From the article:
> V2X technology, which lets vehicles feed power back into the grid, is currently concentrated among a small number of US companies. Some are focused exclusively on commercial or residential applications, while others cover multiple segments.
Indeed. I wasn't very clear but my point was that other quasi authoritative sources describe it as a communications/coordination standard, whereas this is talking from a power delivery perspective.
Comments
Having never heard the term V2X before, a quick search brought me to a wiki page that describes it as the wireless proposals to allow for vehicle-to-'everything' communications that would allow for higher safety and efficiency.
https://en.wikipedia.org/wiki/Vehicle-to-everything
https://blackberry.qnx.com/en/ultimate-guides/software-defin...
To make it worse there is also a military supplier company named V2X having nothing to do with any of this.
Seems like a very poorly defined acronym.
I still find the older term vehicle-to-grid more useful here. The idea of the default being grid-to-vehicle but at some point a vehicle knows it is sitting long enough it can "loan" power back to the grid.
Communication needs to be involved (the vehicle has to switch "modes", the vehicle needs to negotiate the "terms" of the loan, such as that it needs to be 100% by a certain deadline such as "school pickup" or "end of workday", what sort of "interest" it expects back on the loan), but the interesting part is the power delivery that opens up. It can help grid operators smooth high demand periods. It can help vehicles spend less time at 100% charged and focus more on "charged just in time", now that we have a better idea about Lithium Ion batteries that time spent in 100% charged states are some of their worst wear and tear.
V2X is kind of the "IOT" meets "USB Power Delivery" next layer on top of V2G. It seems a lot more bogged down in the communications side of it because "everything" can mean a lot of things, but the overall goal of all that communications is still moving power from a battery to somewhere else over time (while also making concessions to get power back into that battery at a later time).
Never heard this before. V2X used to be quite well-defined as a term in mobile communication.
The origin is that it's an evolution of the communication term M2M (Machine-to-Machine), which covers communication where none of the parties is a human (unlike other scenarios where a human is either on the originating (MO) or terminating (MT) end of a mobile connection).
Vehicle-communication was "branched out" into a separate term as it has a set of unique use-cases and requirements --> V2M (Vehicle-to-Machine)
Then it was expanded to local P2P connectivity to other vehicles (mostly not mobile network-based) --> V2V (Vehicle-to-Vehicle).
When it was expanded again to also include local connections to other "members of traffic", i.e. roadside units, traffic-lights, etc., with standards like see IEEE 802.11p gaining momentum and 5G came along as a potential cellular bearer for all of it, it was merged into a single term --> V2X (Vehicle-to-everything).
In this case it's not communication, it's using the school buses as power supply
From the article: > V2X technology, which lets vehicles feed power back into the grid, is currently concentrated among a small number of US companies. Some are focused exclusively on commercial or residential applications, while others cover multiple segments.
Indeed. I wasn't very clear but my point was that other quasi authoritative sources describe it as a communications/coordination standard, whereas this is talking from a power delivery perspective.
Ah, sorry, I missed that.
Weird that this is being conflated with electric traction but then again so is advertisements and crappy OTA updates and mass surveillance