PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

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HCx   1 mW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by HCx » Jul 05 2020 2:49pm

Will subscribing to your newsletter on your site notify us when preorders are available or what is the best way to be notified beyond checking this thread every few days?

bushido   100 µW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by bushido » Jul 20 2020 9:19am

If you already are doing everything custom, could you please include BMS function with active balancing.

And I don't know how much space it would take, but could You include 220V AC 16A charging (max for Schuko outlet)

Including everything you need for an electric vehicle would make it massively space efficient. And also monitoring and programming everything in a single app. This would actually be worth the premium IMHO.

Powervelocity.com   10 kW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Powervelocity.com » Jul 21 2020 11:39pm

You could check this thread or the website for now.
HCx wrote:
Jul 05 2020 2:49pm
Will subscribing to your newsletter on your site notify us when preorders are available or what is the best way to be notified beyond checking this thread every few days?

MileHighGuy   10 mW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by MileHighGuy » Jul 21 2020 11:44pm

Will these be available any time soon for purchase? What is the wait times if preordered?

Powervelocity.com   10 kW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Powervelocity.com » Jul 22 2020 12:02am

AC charger inside the controller would take as much space (and weight) as the controller itself if done right. It has to be isolated design for safety. You may also not want to carry the charger on the vehicle all the time.

With that said, there are already great power supplies like Flatpacks S 1800w that can be used as the DC source. Small, light, 96% efficient, wide voltage input range all the way up to 250v and output up to 33A at 53V. It's hard to make anything better than that. I use 2 of them in series and that allows me to fast charge my battery in no time.

Programming, monitoring is already in the controller. Charge cycles can be turned on and off, scheduled, etc., voltage and current are adjusted by the controller regardless of what DC source is used. The only requirement is that the DC source voltage is the same or lower than the battery target charging voltage.
bushido wrote:
Jul 20 2020 9:19am
If you already are doing everything custom, could you please include BMS function with active balancing.

And I don't know how much space it would take, but could You include 220V AC 16A charging (max for Schuko outlet)

Including everything you need for an electric vehicle would make it massively space efficient. And also monitoring and programming everything in a single app. This would actually be worth the premium IMHO.

999zip999   100 GW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by 999zip999 » Aug 02 2020 7:11pm

pM sent



john61ct   100 GW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by john61ct » Oct 01 2020 9:29pm

sweet looking!

the builtin charging handles the termination at full right?

so a dumb PSU will do for input?

Suggestion, allow control of an external relay to isolate source's input upstream rather than just cutting off its output.


Powervelocity.com   10 kW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Powervelocity.com » Oct 01 2020 11:25pm

Yes, CC and CV modes are supported. As well as gradual ramp up. Any PSU with a voltage lower than the target battery voltage will work. The input current limit and the battery charging current can be configured.

Eventually, the firmware will get more sophisticated to allow setting up charging schedules. For example, get full charge by a certain time, etc.

Cutting off input naturally happens when you disconnect the PSU from the controller. The controller drive function is disabled while any voltage higher than 11v is detected on any phase.





john61ct wrote:
Oct 01 2020 9:29pm
sweet looking!

the builtin charging handles the termination at full right?

so a dumb PSU will do for input?

Suggestion, allow control of an external relay to isolate source's input upstream rather than just cutting off its output.

Dartman   1 mW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Dartman » Oct 02 2020 6:51am

New controller housing size? Why wires coming out from both ends?

john61ct   100 GW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by john61ct » Oct 02 2020 7:07am

Excellent.
Powervelocity.com wrote: Cutting off input naturally happens when you disconnect the PSU from the controller.
john61ct wrote:
Oct 01 2020 9:29pm
Suggestion, allow control of an external relay to isolate source's input upstream rather than just cutting off its output.
I am suggesting enabling a relay to cut off the AC input to the **PSU** (or DC if using an alternator, solar controller, DCDC charger or converter)

You are referring to the input to the controller, which is the output from the charge source.




Powervelocity.com   10 kW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Powervelocity.com » Oct 02 2020 11:49am

The size is now 51 x 78 x 225 mm or 2'' x 3'' x 8'' 7/8.

The main reason why phases and battery connections are wired on one side and signaling/inputs are on the other side is to minimize noise injection into the control circuits. You want to keep the high voltage and high current wiring away from your control signals to ensure reliability of the system. Lower power controllers can be forgiving in that respect so they bundle all wires on one side but even on those controllers it's not a good practice.

A side benefit of wiring on both sides is that this makes it easier to install it on bikes where controllers are often mounted under the frame. So inputs are closer to their connections and phases are closer to the motor.

2020-10-02_9-46-09.jpg
2020-10-02_9-46-09.jpg (95.74 KiB) Viewed 428 times
Dartman wrote:
Oct 02 2020 6:51am
New controller housing size? Why wires coming out from both ends?

j bjork   10 kW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by j bjork » Oct 02 2020 12:40pm

How watertight is it? I always try to avoid wires going up, to avoid the risk that water can follow the wires in to the device.

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Powervelocity.com » Oct 02 2020 1:16pm

All holes have rubber grommets in them. Phase and battery wire holes are very tight and technically water proof. If mounted the way I showed above, that's where I would expect water and dirt to hit the controller the most.

The other holes are tight enough for most situations. However, if the controller is expected to be submerged under water, a few drops of silicon can make it waterproof. I'll likely make waterproofing an option if there is enough need.
j bjork wrote:
Oct 02 2020 12:40pm
How watertight is it? I always try to avoid wires going up, to avoid the risk that water can follow the wires in to the device.

j bjork   10 kW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by j bjork » Oct 02 2020 2:12pm

Yes, I am not so worried about the holes with one wire. In those places the rubber grommets probably work well. And they are facing down. But the ones facing up with several wires I worry are more of a problem. Maybe I am just to careful with those things, and it is not a problem.

Powervelocity.com   10 kW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Powervelocity.com » Oct 02 2020 4:08pm

If you are planning to ride in a rain or there is a chance the bike can go under water, you should worry about those things.
The holes with multiple wires, however, are pretty tight as well but, for complete peace of mind, can be easily sealed with silicon.
j bjork wrote:
Oct 02 2020 2:12pm
Yes, I am not so worried about the holes with one wire. In those places the rubber grommets probably work well. And they are facing down. But the ones facing up with several wires I worry are more of a problem. Maybe I am just to careful with those things, and it is not a problem.

Hertzelz   100 mW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Hertzelz » Oct 02 2020 5:32pm

Hi, I've sent you an email about ordering but got no response.
How can I order?



Hertzelz   100 mW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by Hertzelz » Oct 09 2020 2:29pm

Powervelocity.com wrote:
Oct 02 2020 10:51pm
Pre-orders will reopen soon. Please check back on the website in about a week.
Hertzelz wrote:
Oct 02 2020 5:32pm
Hi, I've sent you an email about ordering but got no response.
How can I order?
Any update?

HCx   1 mW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by HCx » Oct 12 2020 9:49am

Image

dkassem10   10 µW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by dkassem10 » Oct 13 2020 6:54am

Hi I ordered the 20kw controller yesterday. I was wondering if I can pay the difference and upgrade to the next gen controller? How long will the wait be before it's shipped?

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TorgueRPM   100 mW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by TorgueRPM » Oct 15 2020 5:20pm

You mention being able to connect controllers via CAN, do you think there would be any issues running a dual 3-phase/6-phase motor like a hubmonster using two controllers connected by CAN?

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parabellum   10 MW

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Re: PV NextGen FOC 130v 200/600A 25kw - $599, Watch Display

Post by parabellum » Oct 15 2020 10:34pm

Are there plans for this controller running ACIM algorithms and taking sine cosine resolver or encoder input?

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