PV NextGen FOC 140v 30kw - $899

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Talon   10 W

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

Post by Talon » Apr 27 2021 10:31pm

Powervelocity.com wrote:
Apr 27 2021 4:32pm
Slightly updated design for signal connector termination to allow for easy connect/disconnect.

Also, there is a plan to offer remote connectivity package for the new controllers very soon. It would allow getting things like location, battery state of charge, pretty much any info about a vehicle's system remotely, as well as send commands to the controller from the Android/iOS app remotely. 3 years of support would be included and coverage in 70 countries is supported.


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Sounds good....What year is this Controller available to the consumer ? :roll:

Powervelocity.com   10 kW

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

Post by Powervelocity.com » Apr 27 2021 10:54pm

The connector covers the contacts. Unless you submerge it under water, it will be fine.
TorgueRPM wrote:
Apr 27 2021 8:12pm
I feel like the new signal connectors could be a weak point sticking out like that, especially with no electrical insulation. What if a couple drops of water make their way onto that connector?

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TorgueRPM   100 W

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

Post by TorgueRPM » Apr 27 2021 10:58pm

Powervelocity.com wrote:
Apr 27 2021 10:54pm
The connector covers the contacts. Unless you submerge it under water, it will be fine.
TorgueRPM wrote:
Apr 27 2021 8:12pm
I feel like the new signal connectors could be a weak point sticking out like that, especially with no electrical insulation. What if a couple drops of water make their way onto that connector?
Okay, sounds good, definitely an upgrade

BobBob   100 W

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

Post by BobBob » May 01 2021 9:56am

Powervelocity.com wrote:
Apr 27 2021 10:54pm
Sorry to cross post - trying to buy the 15Kw for nearly 2 months now, no response for a month
Edit
Sales PowerVelocity <sales@powervelocity.com>
Tue 11/05/2021 21:15
I am sorry. Extremely swamped these days. I guess you can go with another controller.


Yup - I will
Last edited by BobBob on May 13 2021 1:49pm, edited 1 time in total.

fubgumfaw   10 W

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

Post by fubgumfaw » May 11 2021 11:37am

TorgueRPM wrote:
Apr 27 2021 8:12pm
I feel like the new signal connectors could be a weak point sticking out like that, especially with no electrical insulation. What if a couple drops of water make their way onto that connector?
It needs a way to secure the wires to the board. You clearly solder them to the fingers on the board. This is a place where wires will bend and stress and break. AS a result, they need to be held so they can't move around. Maybe an edge connector is planned for later? They are not really that good in the weather and dealing with vibration and hard to water proof.

Conformal will solve a lot of the problems with this "board style" connector, but not all of them.

I'd really like to see all the wires come out one end of the controller shell instead of both.

Powervelocity.com   10 kW

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

Post by Powervelocity.com » May 13 2021 1:01pm

One big reason I wanted to keep wires outside of the heatsink enclosure is the signal integrity. Having a bundle of wires going close to phase swinging at high frequency or DC link can be somewhat forgiving if you run 70v or so but it's a different story when you go to higher voltage at 300A and above. You don't want your throttle to self turn or MCU crash in a wrong moment. Cross talk between the DC link, phases and signal wires is almost guaranteed if you run them anywhere close.

Edge connectors will work fine in most cases, and, where in doubt, silicon can be used to seal them.
With that, I am constantly improving the design, so chances are it'll get better overtime.

fubgumfaw   10 W

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

Post by fubgumfaw » May 13 2021 6:25pm

Powervelocity.com wrote:
May 13 2021 1:01pm
One big reason I wanted to keep wires outside of the heatsink enclosure is the signal integrity. Having a bundle of wires going close to phase swinging at high frequency or DC link can be somewhat forgiving if you run 70v or so but it's a different story when you go to higher voltage at 300A and above. You don't want your throttle to self turn or MCU crash in a wrong moment. Cross talk between the DC link, phases and signal wires is almost guaranteed if you run them anywhere close.

Edge connectors will work fine in most cases, and, where in doubt, silicon can be used to seal them.
With that, I am constantly improving the design, so chances are it'll get better overtime.
Thank you for addressing my comment!
Shielded/grounded cable inside the case won't solve the interference issues? Seems like it was designed exactly for this issue and is used in much higher voltage controller applications. I have no idea what the cables are now. If RF interference is significant, then braided/shielded cable for each function is easily available. This will also allow for more conventional connectors out one end of the controller shell.

https://www.ebay.com/itm/154273713858?h ... SwWSxf8LO7

cheapcookie   100 W

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

Post by cheapcookie » Jun 03 2021 12:38pm

Dear PV thank you for your answer about charging through phase wires. Can you further detail if the function is implement already or not? Also is it possible to get Next Gen 30s controller with 4g modem but without the plan? I have ATT GSM sim. Is the connectivity package external to the controller? Does it function with VESC tool?

john61ct   100 GW

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

Post by john61ct » Jun 03 2021 4:45pm

East Penn is an excellent maker of DC electrical stuff.

What the heck is West Penn?

Powervelocity.com   10 kW

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

Post by Powervelocity.com » Jun 03 2021 7:16pm

I posted this before, not sure how it got disappeared from this thread.

Here is a short version of it: https://www.youtube.com/watch?v=jtmIfhdXWeU
Here is a longer one: https://www.youtube.com/watch?v=F64T9DeuCGA

In a nutshell, boost charging is implemented and it works well. All easily configurable via iOS, Android apps or a mini touch display.

Answers to your other questions:

- Is it possible to get GPS/LTE module without included service? -- Yes, but no guaranteed operation with user provided Sim cards.

- Is the connectivity package external to the controller? - Currently no. Maybe later or, likely, all controllers going forward will have it on board standard. WiFi, BLE are already standard features.

- Does the controller work with VESC tool? - Yes, and I'll fully support the feature for beta testers. Going forward, all necessary changes would be done via the app only. If someone wants to use VESC tool, this option will be available still with the warranty void disclaimer. VESC is a great developer tool with lots of cryptic stuff that never needs to be changed even by an expert user and if you do, it's too easy to mess up. Apps may also have "expert" mode which would unlock low level settings with disclaimer.

cheapcookie wrote:
Jun 03 2021 12:38pm
Dear PV thank you for your answer about charging through phase wires. Can you further detail if the function is implement already or not? Also is it possible to get Next Gen 30s controller with 4g modem but without the plan? I have ATT GSM sim. Is the connectivity package external to the controller? Does it function with VESC tool?

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

Post by cheapcookie » Jun 03 2021 8:18pm

Powervelocity.com wrote:
Jun 03 2021 7:16pm
In a nutshell, boost charging is implemented and it works well. All easily configurable via iOS, Android apps or a mini touch display.
I'm so thankful for your answers Vadym, to clarify, the feature is implemented on the NextGen but not yet on the mainstream VESC?

Maybe you could fork VESCtool to hide features, Thanks again, Cheapcookie!

Powervelocity.com   10 kW

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

Post by Powervelocity.com » Jun 03 2021 9:22pm

Yes, boost charging is specific to NextGen controllers.
cheapcookie wrote:
Jun 03 2021 8:18pm
Powervelocity.com wrote:
Jun 03 2021 7:16pm
In a nutshell, boost charging is implemented and it works well. All easily configurable via iOS, Android apps or a mini touch display.
I'm so thankful for your answers Vadym, to clarify, the feature is implemented on the NextGen but not yet on the mainstream VESC?

Maybe you could fork VESCtool to hide features, Thanks again, Cheapcookie!

cheapcookie   100 W

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

Post by cheapcookie » Jun 03 2021 9:28pm

Powervelocity.com wrote:
Jun 03 2021 9:22pm
Yes, boost charging is specific to NextGen controllers.
Is it possible for you to push to vesc project? It would be useful for alot of people

Powervelocity.com   10 kW

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

Post by Powervelocity.com » Jun 03 2021 10:25pm

At some point, yes.
cheapcookie wrote:
Jun 03 2021 9:28pm
Powervelocity.com wrote:
Jun 03 2021 9:22pm
Yes, boost charging is specific to NextGen controllers.
Is it possible for you to push to vesc project? It would be useful for alot of people

cheapcookie   100 W

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

Post by cheapcookie » Jun 03 2021 10:39pm

Honestly if you sold an plugin Addon "charge mode" I would buy it immediately for my 22s vesc. Same thing lte if you sold comm module for canbus. I would put sim card and use it tomorrow. Any details on the electric Grom? How did you fit 9kwh in there lol? Pics? Thanks again Vadym

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jacopo   1 mW

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

Post by jacopo » Jul 28 2021 9:35am

Hello, is there a date when the controller is expected to be available for purchase?

Powervelocity.com   10 kW

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

Post by Powervelocity.com » Jul 28 2021 11:13pm

Limited availability only for experienced builders at the moment.
jacopo wrote:
Jul 28 2021 9:35am
Hello, is there a date when the controller is expected to be available for purchase?

Tiber   1 µW

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

Post by Tiber » Aug 08 2021 8:52am

How would we go about purchasing one of these controllers if they're technically still available?

Powervelocity.com   10 kW

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

Post by Powervelocity.com » Aug 09 2021 3:19pm

Please PM with details on your motor setup and battery configuration.
Tiber wrote:
Aug 08 2021 8:52am
How would we go about purchasing one of these controllers if they're technically still available?

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Souvlucky   10 µW

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

Post by Souvlucky » Jun 25 2022 9:52am

Could you contribute this feature to the VESC Project, please?
Powervelocity.com wrote:
Jun 03 2021 10:25pm
At some point, yes.
cheapcookie wrote:
Jun 03 2021 9:28pm
Powervelocity.com wrote:
Jun 03 2021 9:22pm
Yes, boost charging is specific to NextGen controllers.
Is it possible for you to push to vesc project? It would be useful for alot of people

Powervelocity.com   10 kW

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

Post by Powervelocity.com » Jul 13 2022 2:25pm

Yes, will do that after testing with at least some hardware other than NextGen.
Technically, there is no reason why it would not work but since it taps into PWM control, there is a risk of blowing something up and I don't want people get mad at me when that happens. There are also corner cases like plugging the DC source before or after turning on the controller and this may lead to some anomalies from version to version of VESC. For example, 5.03 introduced offset calibration right after the boot, and if charger is plugged in that would cause incorrect calibration values.

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Re: PV NextGen FOC 134v 30kw - $899 - Testers wanted

Post by Powervelocity.com » Jul 28 2022 12:28pm

Have been testing the controller on the bike for over a year now and pulling solid 10kw on a qs205 with a 26s battery without breaking any sweat. The torque is butter smooth and linear from 0 to full throttle and variable regen is as good.

Now, I'd be looking to test the design up to its limits, ideally, at 32s(up to 135v and 400A).
For that, I am looking for testers that have the proper setup to load up the controller: battery, the motor, and the way to load it up. It would also help if you are also familiar with vesc firmware and how to set it up. I am running a very limited production at the moment due to supply chain constraints, so looking only for high power testing and validation.
If interested, please PM.

999zip999   100 GW

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Re: PV NextGen FOC 134v 30kw - $899

Post by 999zip999 » Aug 06 2022 10:36am

I tried to PM you but I didn't get an answer. I sent you my P.V 15 fet and 18 fet controllers so you could look at them and fix ? What happening with them ?

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The Toecutter   100 kW

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Re: PV NextGen FOC 134v 30kw - $899

Post by The Toecutter » Aug 06 2022 9:11pm

I will be keeping an eye on this. Whenever this becomes available, I'm intent on buying. I'm currently working on a 72V pack and will be running 10 kW peak, but I won't be stopping there.
Custom electric velomobile, 2500W: viewtopic.php?f=6&t=110298

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Souvlucky   10 µW

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

Post by Souvlucky » Aug 07 2022 9:12am

This sounds nice in thought but vague in practice...

Powervelocity.com wrote:
Jul 13 2022 2:25pm
Yes, will do that after testing with at least some hardware other than NextGen.
Powervelocity.com wrote:
Jun 03 2021 10:25pm
At some point, yes.
cheapcookie wrote:
Jun 03 2021 9:28pm
Powervelocity.com wrote:
Jun 03 2021 9:22pm
Yes, boost charging is specific to NextGen controllers.
Is it possible for you to push to vesc project? It would be useful for alot of people
Last edited by Souvlucky on Sep 08 2022 10:32am, edited 6 times in total.

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