I'm talking about my native country... USA. Rush Dougherty TucsonEV www.TucsonEV.com
> -----Original Message----- > From: EV <ev-boun...@lists.evdl.org> On Behalf Of Cor van de Water via EV > Sent: Friday, February 7, 2025 6:49 PM > Cc: Cor van de Water <cor.vandewa...@gmail.com>; Electric Vehicle Discussion > List <ev@lists.evdl.org> > Subject: Re: [EVDL] J1772, NACS, and adapters > > On Fri, Feb 7, 2025 at 4:44 PM <e...@tucsonev.com> wrote: > > Today, almost no homes receive 3 phase, it has to be requested by the home > owner and he has to have a valid reason for 3 phase. There is also an upcharge > for 3 phase installation, it also makes wiring the house much more difficult > and > expensive because there are 2 systems since many of the electrical appliances > run on 1 phase only. And 3 phase is considered to be more 'dangerous' than 1 > phase. > > Hi Rush, > Are you talking about the situation in Europe? > Let me tell you my experience how I converted a home to 3-phase without > touching any wiring in the home itself, just the fuse box: > Every home that I lived in, in The Netherlands as well as homes of family > members, has ALWAYS been provided 3-phase (400V = 3x 230V) from the > distribution transformer, through the street (there are no overhead wires > since > ~25 years ago) and into the meter closet. Default the meter installed is > single > phase and so all circuits in the home are single phase 230V. > When I moved into a rental (!) single family home over 30 years ago, we > brought an electric cooktop that, while possible to run from 2 single phase > circuits, would ideally get 3-phase power to avoid the hassle and continuous > cost of a larger grid connection, which means: > changing the utility side fuse (next to the meter) from 25 to 35A so we could > use the cooktop without crippling it. The cheapest option for me was to > request the utility to swap the 25A single phase meter with 25A 3-phase. This > was a one-time free, after which I had no additional charges and due to that, > the landlord also had no issues with it. > What I did (instructed by the engineer from the utility company) was to > install > an additional 3-fuse enclosure next to the 5-fuse box that was running the > whole house, to pull 3-phase wiring from the outlet in the kitchen that I > installed over the empty conduit (which is a common feature in the houses, > since the walls are *concrete* so you need some flexibility to reach rooms > with > new wiring) to the metering closet (where ALL empty conduits as well as all > wiring from all rooms > terminates) and prepare the meter-side of the now 8 fuse circuits by dividing > those in 3 groups with 3 wires capable of carrying 25A each and temporarily > terminating them all on the single phase output of the meter so the whole > house still had power. > The next day the utility company came, pulled the 1-phase meter, plugged in > the 3-phase meter (as I said, the 3-phase wiring is already present from the > street up to the meter in the utility closet), they installed 2 additional 25A > fuses in the utility side fuse box (not accessible by residents), measured the > wiring that I installed for correct phase and Neutral locations on the kitchen > outlet and powered the house back up now with 3 phase power. I did not > touch any wiring and every room in the house still had the same 230V 16A > power, fused utiliy side by 25A, only the kitchen now had the 400V 16A outlet > that allowed us to cook without limits on how many burners we could turn > on. > hope this clarifies, > Cor. > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
