Timeline for what force is required to rotate a dynamo or alternator
Current License: CC BY-SA 4.0
13 events
| when toggle format | what | by | license | comment | |
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| Jun 23, 2022 at 3:46 | comment | added | tlfong01 | @Robert: (3) A similar power generator uses the small DC motor GB370: [Using a motor as a generator] electronics.stackexchange.com/questions/622926/…. If you are happy to start feasibility or proof of concept using this GB370 motor, I can brainstorm more ideas. | |
| Jun 23, 2022 at 3:30 | comment | added | tlfong01 | @Robert: (2) You asked: "[which] ... Dynamo, alternator, generator will be best?" I very much agree with #bobflux that DC brush motor as an AC generator might be a good choice, at least for the feasibility study or proof of concept in the initial R&D stage. | |
| Jun 23, 2022 at 3:09 | comment | added | tlfong01 | @Robert: You might like to confirm if I more or less understand your question. (1) Your product (from now on let us call it the device) is basically an AC Power Generator, with the following input and output specifications. / to continue, ... | |
| Jun 23, 2022 at 3:03 | comment | added | tlfong01 | @Robert: I agree with #Community Bot that your question needs to limit to a specific problem to identify an adequate answer. Perhaps I can ask you a couple of questions to make clear your project requirement and product specification. | |
| Jun 22, 2022 at 18:56 | history | became hot network question | |||
| Jun 22, 2022 at 11:57 | comment | added | CommunityBot | Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. | |
| Jun 22, 2022 at 11:45 | comment | added | bobflux | Further reading machinedesign.com/motors-drives/article/21168640/… | |
| Jun 22, 2022 at 11:39 | comment | added | Solar Mike | If your product is a radio or similar then have a look at the wind-up radios or torches as design solutions. | |
| Jun 22, 2022 at 11:39 | answer | added | Neil_UK | timeline score: 5 | |
| Jun 22, 2022 at 11:21 | comment | added | Uwe | 120 rpm is very slow for an alternator. You may need a gear ratio of more than 2, may be 5 or more. Don't expect 100 % efficiency for alternator with gear, may be 50 to 60 %. | |
| Jun 22, 2022 at 11:14 | comment | added | Roland Mieslinger | power = torque * angular velocity maximum power: 14.73 Nm * 120 rpm * 2 * pi / 60 = 185 W = 0.185 kW | |
| S Jun 22, 2022 at 10:53 | review | First questions | |||
| Jun 22, 2022 at 11:57 | |||||
| S Jun 22, 2022 at 10:53 | history | asked | Robert | CC BY-SA 4.0 |