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[trikester]

I was wondering about the diodes also. Thanks for the explanation. I have two Mean Well supplies in series without diodes and have not had any problem with having the battery voltage at the supply outputs when they're off, but as you say it would be good practice. However, in case of a supply failure the Shottky diodes would probably fail under the high reverse voltage unless they have greatly increased Shottky diode voltage ratings since I last used them in a design. For complete protection the diodes should be at least 150 VDC reverse rated. Do they make Shottky diodes that high now (I've been retired for 15 years)?

Trikester

[Doug S]

Do they make Shottky diodes that high now (I've been retired for 15 years)?

Oh yeah. Quite a bit higher, in fact, and plenty of current capability, even in surface mount packages. Since you've been retired for 15 years, perhaps you need to be introduced to today's EE's best friend: The Digikey search utility. Here I've specified a couple of parameters (voltage > 150 and current > 50A), but you can specify exactly the specs you need, RoHS compliance, in what package you want it, in singles or on reel, select a mfr or mfrs if you wish, and sort by price, quantity in stock, or just about anything else. Type in any search word or partial part number if you want to start a search from scratch. It's just wicked cool.

http://www.digikey.com/product-search/en?pv914=37&pv914=60&pv914=312&pv914=65&pv914=43&pv914=343&pv914=347&pv914=313&pv914=216&pv914=80&pv914=344&pv914=339&FV=fff40015%2Cfff8007f%2Ce500005%2Ce500006%2Ce500007%2Ce500013%2Ce50001b%2Ce50001d%2Ce500023%2Ce50006f%2Ce500082%2Ce50008f&k=schottky&mnonly=0&newproducts=0&ColumnSort=0&page=1&stock=1&rohs=1&quantity=0&ptm=0&fid=0&pageSize=25

[MotoRyder]

+1 on the recommendation for Digi-Key's website.
I was probably online searching their site while Doug S was doing the same.
I was going to make a similar recommendation, however with 1000's of devices to choose from, more specific parameters would be needed.
Too Much Fun Indeed in devising Another DIY Quick Charger.

[trikester]

Gees! I remember when Digi-Key was just a small distributor. But even back then the thing that was great about them was that they would sell to individuals. Most electronic distributors, back in those days, would only sell to you if you were buying through an OEM.

Good to know that there are HV shottky's now. However, I'm sure the forward voltage drop is higher than the low voltage ones I used (that's how the physics works). How much better is the forward drop than a "regular" silicon diode of a similar RV and current rating?

Trikester

[pulsartaildragger]

H regime, I like your idea for power supplier. I would like to make one for my 2014 . Sr I would like to run it on single phase 220. I assume you run one hot wire to each psu pin 23. Each psu is running on 110 volt. On the out put  pin v+ 1 2 4  is each  pin supplying 7.3 amps output in order to get 22 amps total? 

[Ronen]

I almost finished to build it just need the SBS75XBRN connctor.
Small question, I understand that the connector is http://www.mouser.com/ProductDetail/Anderson-Power-Products/SBS75XBRN/?qs=sGAEpiMZZMtjzVbpKqo2YSP9yhNX%252bXMWJdsZ56J4zvk%3d do I need to order the pins to it? if yes, what are the correct pins this http://www.mouser.com/Search/ProductDetail.aspx?R=1339g1virtualkey57880000virtualkey879-1339G1 or that http://www.mouser.com/Search/ProductDetail.aspx?R=1339g2virtualkey57880000virtualkey879-1339G2?

Thanks!

[Burton]

This might help Ronen

http://electricmotorcycleforum.com/boards/index.php?topic=4603.msg30589#msg30589

[Ronen]

Thanks, Burton, I saw it but still confused...

[Ronen]

Hi Remmie,

Just got the connector now and tested it.
It works great, but it got very hot, is it normal?

Thanks.

[TomerBA]

Not sure I understand correctly, so I'm asking here... and DC supply of ~100V can be used for fast charging?
If I'll buy this one:
http://www.alibaba.com/product-detail/1-year-warranty-high-power-3kw_60384617221.html?spm=a2700.7724857.29.9.vWFDEF&s=p
And just add the correct plug to charge my FX, I'll have 3KW charger for 600$??

Thanks in advance, and sorry if I asked stupid question :-)
Tomer

[remmie]

Not sure I understand correctly, so I'm asking here... and DC supply of ~100V can be used for fast charging?
If I'll buy this one:
http://www.alibaba.com/product-detail/1-year-warranty-high-power-3kw_60384617221.html?spm=a2700.7724857.29.9.vWFDEF&s=p
And just add the correct plug to charge my FX, I'll have 3KW charger for 600$??

Thanks in advance, and sorry if I asked stupid question :-)
Tomer

100Vdc is not gonna be enough, 100V dc is only about 25% SOC. You need around 112-114 Volt DC to reach 90%

[TomerBA]

No stock of Anderson SBS75 connector?
Tried the major suggestion in this forum, mouser, lead time is 11 weeks...
http://www.mouser.co.il/Search/ProductDetail.aspx?R=SBS75XBRNvirtualkey57880000virtualkey879-SBS75XBRN

any other vendor / other part that is compatible?

Thanks
Tomer

[TomerBA]

Answering my own question 
after consulting with Mouser representative,
that's what I've ordered:

Mouser Part Number

879-1339G3 http://www.mouser.co.il/ProductDetail/Anderson-Power-Products/1339G3-BK/?qs=sGAEpiMZZMtjzVbpKqo2YZRH3O%252bLIhj7jkKVyDeq%252b7Q%3d
879-SBS75XCLP1-BKhttp://www.mouser.co.il/ProductDetail/Anderson-Power-Products/PSBS75XCLP1/?qs=sGAEpiMZZMtjzVbpKqo2Yc8093%2fw3b0t9dL1X6P8TsI%3d
879-SBS75XBRN-BK http://www.mouser.co.il/ProductDetail/Anderson-Power-Products/SBS75XBRN-BK/?qs=sGAEpiMZZMtjzVbpKqo2YSgTPamdpnrnmQKL7cEes88%3d

All available in stock

 

[Shadow]

also could have a look at powerwerx.com for powerpole connectors (as commonly used by amateur emergency 2-way radio operators).

[wijnand71]

I'm busy collecting stuff for my 2 Eltek HE charger setup (Thanks Remmie for all your work, Ronen, Burton and TomerBA for the shopping list  ) and was wondering if the two little pins in the middle of the brown Anderson connector should be wired or not. I believe the chargers from Holywood Electrics are using them?