Search found 42 matches

by Huub35
Sun, 04 Nov 2012, 05:50
Forum: Electric motors and controllers
Topic: Changing an induction motor voltage
Replies: 433
Views: 113822

Changing an induction motor voltage

Do You have a link for this corsa with the 5.5Kw? Regards Hi CTS, the original link is gone, via archive.org I found: http://web.archive.org/web/20101113030222/http://rc-autopilot.de/wiki/index.php/Opel_Corsa_Project Furtermore these might be interesting (though in german): http://www.youtube.com/w...
by Huub35
Fri, 26 Oct 2012, 10:00
Forum: Technical and conversion discussion
Topic: VW adapter plate CAD for Gearbox
Replies: 2
Views: 1215

VW adapter plate CAD for Gearbox

Hello Carlos, What kind of VW, what kind of transmission, and what kind of motor your are planning to use. I know that Eric Tischer has done an adapterplate for a 2001 VW Passat and a Siemens AC drive, and did this via CAD, see his website at http://etischer.com/awdev/. Once he was planning on makin...
by Huub35
Tue, 18 Sep 2012, 12:30
Forum: Batteries, charging, management and monitoring
Topic: Low cost BMS
Replies: 386
Views: 54388

Low cost BMS

Dear Nevilleh, looking at the User manual at ecomodder, I was a bit concerned reading about the full battery voltage that would be on the Dout connector of the last BMS. How should I read that, is this related to ground, or the first BMS. Wouldn't this mean that also on the master board there would ...
by Huub35
Tue, 04 Sep 2012, 22:19
Forum: Members Machines
Topic: Johny's Electric Vogue
Replies: 287
Views: 41178

Johny's Electric Vogue

Hi Johny,

great news. Good to hear it was that simple. Curious about the driving experience, but 5-6 A does not feel like to brisk a braking torque.

Best regards,


Huub
by Huub35
Tue, 04 Sep 2012, 06:05
Forum: Members Machines
Topic: Johny's Electric Vogue
Replies: 287
Views: 41178

Johny's Electric Vogue

Hi Johny,

very happy to be back again :-). Lot's of other tasks (venturing in a new business) so EV is on low fire currently activity-wise.

I had forgotten that you have encoder control. Would be great if with the negative torque you would solve the regen issue.

Good luck,


Huub
by Huub35
Tue, 04 Sep 2012, 02:14
Forum: Members Machines
Topic: Johny's Electric Vogue
Replies: 287
Views: 41178

Johny's Electric Vogue

Hi all, just some thought. In forward direction, with positive torque, the requested power from the Lenze is also positive (positive * positive = positive). This is then power going from the batteries through the VFD to the motor/wheels. Assuming that regen would then be considered negative power (f...
by Huub35
Sun, 08 Jul 2012, 03:50
Forum: Members Machines
Topic: Renard's BMW
Replies: 237
Views: 28881

Renard's BMW

Hi Renard, just out of curiosity, what distance to/over the steering system do you have with the 132 frame motor. I have a 160 frame size, and was always under the impression it would not fit over the steering system and crossmembers, but looking at your pictures, it seems there is plenty of room le...
by Huub35
Sun, 06 Mar 2011, 02:26
Forum: Electric motors and controllers
Topic: AC motor, Dahlander to Parallel Delta, update
Replies: 1
Views: 1274

AC motor, Dahlander to Parallel Delta, update

Dear all, [I have copied this from the old thread, for clarity reasons] time for a bit of update, today I did my next step on the modified Dahlander, with some plusses and minusses, but let's take it step by step. First an answer to Weber, regarding the connection of the wiring. I measured the coils...
by Huub35
Sat, 05 Mar 2011, 14:48
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Dear all, time for a bit of update, today I did my next step on the modified Dahlander, with some plusses and minusses, but let's take it step by step. First an answer to Weber, regarding the connection of the wiring. I measured the coils after I broke the internal star point -> the connection is li...
by Huub35
Thu, 03 Mar 2011, 13:17
Forum: Electric motors and controllers
Topic: Torque - rpm curve, AC versus DC
Replies: 9
Views: 3453

Torque - rpm curve, AC versus DC

Hi, I was trying to do a simulations with a DC motor, and noticed that I do not understand DC nearly as good as AC (and considering how little I know of AC, you may be worried about my DC knowledge :-)). AC: I think that the torque is constant up to the basefrequency (50 Hz mostly, so ca. 1500 rpm f...
by Huub35
Thu, 17 Feb 2011, 11:06
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Do you expect to get more than a regular motor in a standard system? I think he expects to get better value for money by rewiring a 50 euro motor to almost match a 1500 Euro 15kW 400V Star motor. :-) Woody, well, in fact, it is more or less a 2500 EUR motor that I am trying to copy (or even more, I...
by Huub35
Thu, 17 Feb 2011, 10:58
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Hi Weber,

I see, I will get the current mounting of the leads.

Regards,


Huub
by Huub35
Wed, 16 Feb 2011, 13:04
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Hi Weber, thanks for explaining this, very clear, and also clear now why a 8-pole dahlander is not as efficient as a true 8-pole. I will note down the leads in the connection box. For normal Dahlander usage it is not so important, as the leads of the second row are either shorted or connected to the...
by Huub35
Wed, 16 Feb 2011, 03:35
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Dear all, thanks a lot for all these responses. Related to this I have two questions: - what is exactly "concequent poles"? - looking back at the analysis of weber, I see I am planning more or less the same, however not inverting half of the windings as he had planned. Would it be possible to conclu...
by Huub35
Mon, 14 Feb 2011, 22:32
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Oops! I was being lazy. You asked about this motor here: Two speed motor, modifiable/useful for EV? . My understanding is that ABB motors can be ordered with the "S" option (i.e. use in Star mode to connect to ~400 V). Perhaps you liked the fact that it was designed for 400 V rather than 415 or 400...
by Huub35
Mon, 14 Feb 2011, 12:52
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Dear all, I have tried to make a picture of my intentions: http://forums.aeva.asn.au/uploads/1354/dahlander_modification_v1.gif I have used the same notation as in the Dahlander picture above, and added "A","B","C" for the three joints of the internal star connection. I am pretty sure I have found t...
by Huub35
Mon, 14 Feb 2011, 08:16
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Dear all, thanks a lot to all of you for thinking with me, the time shift is meaning I cannot react immedately, sorry for that. It is a 4/8 pole Dahlander, with 15.5 kW for high speed (1460 rpm at 400V 50 Hz) and 2.7 kW for low speed (730 rpm at 400 V 50 Hz). I would love to post a picture of the na...
by Huub35
Sun, 13 Feb 2011, 05:13
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Hi Acmotor, thanks for these answers. Good to know that I will not do harm to my motor. Next step is to reconfigure my motor (from parallel star to parallel delta, relatively easy now I have found the internal star connection of my Dahlander). After that I will do the AMA, and see where I end up. Is...
by Huub35
Sun, 13 Feb 2011, 02:31
Forum: Electric motors and controllers
Topic: AC motor 1st time running, strange vibrations
Replies: 36
Views: 20989

AC motor 1st time running, strange vibrations

Dear all, It is a long time ago since I posted last over here. However, I was able to slowly make some steps in my conversion plan. Mainly buying a different VFD, and obtaining a 160 frame ABB dahlander motor with 15.5 Kw in 4-pole configuration. Furthermore I worked on a simulator (if interested, j...
by Huub35
Thu, 29 Apr 2010, 13:20
Forum: Electric motors and controllers
Topic: Two speed motor, modifiable/useful for EV?
Replies: 9
Views: 3117

Two speed motor, modifiable/useful for EV?

Dear 7circle, thanks, indeed this is another catalog with the 168-305 in it. I did find a list in the marine motor catalog. I am unsure how ABB handles the product codes, sometimes it is not completely clear. Regarding the topic, indeed it is interesting to see whether we can easily modify Dahlander...
by Huub35
Thu, 29 Apr 2010, 06:56
Forum: Electric motors and controllers
Topic: Two speed motor, modifiable/useful for EV?
Replies: 9
Views: 3117

Two speed motor, modifiable/useful for EV?

Coulomb, thanks for the link, I also found the marine motor catalog there, with some variations on the exact motor I have. Next time I will pose my questions a bit more careful http://forums.aeva.asn.au/smileys/smiley4.gif , this is the game I always play with my kids, so it is good to be at the oth...
by Huub35
Tue, 27 Apr 2010, 21:05
Forum: Electric motors and controllers
Topic: Two speed motor, modifiable/useful for EV?
Replies: 9
Views: 3117

Two speed motor, modifiable/useful for EV?

Dear Coulomb, thanks a lot, This is very useful! Do you know whether that 2006 catalog is still available somewhere, so I could look up the other versions of the 160L frame (and sizes etc.). I assume it now really boils down to the money involved, and a suitable donor that can cope with 120 kg of mo...
by Huub35
Tue, 27 Apr 2010, 11:54
Forum: Electric motors and controllers
Topic: Two speed motor, modifiable/useful for EV?
Replies: 9
Views: 3117

Two speed motor, modifiable/useful for EV?

Dear all, just after I bought my el-cheapo 7.5 kW testing-motor, I found something potentially much more interesting, an ABB two speed motor. From the motor-plate: M2AA160L 4/8 IEC160M/L 42 CONT RATING Insulation class: F   IP: 55 400VY/?    50 Hz   15.5 kW   1460 rpm   30 A   0.85 cos phi (4-pole) ...
by Huub35
Sun, 25 Apr 2010, 02:53
Forum: Electric motors and controllers
Topic: Changing an induction motor voltage
Replies: 433
Views: 113822

Changing an induction motor voltage

If you're feeling keen you can pull apart these insulated wires and maybe convert to 2 pole 30kW by reversing A2,B2,C2 connections. Can someone help me imagine this correctly?    http://forums.aeva.asn.au/smileys/smiley5.gif .... Back to crazy ideas: Rewind for 2/3 voltage: Cut the jumpers between ...
by Huub35
Sun, 18 Apr 2010, 01:25
Forum: Electric motors and controllers
Topic: New AC controller now available
Replies: 46
Views: 9010

New AC controller now available

My understanding of the breakdown limit is that it's directly related to the V/F used to drive the motor. The published BD is usually at 400/50 = 8. If you exceed this, you get more current, more (over) magnetism, more torque, but less efficency. Danfoss torque boost does this. From the ABB motor f...