Recent content by Vaibhi

Just adding to the previous question, I found the attached photo on the st controller reference guide document. I wanted to know in which block in the image does the control algorithms like sinusoidal trapezoidal and foc fall? If I understand it correctly, they fall in Control Logic right...

Clean and crisp. Thanks for your help. I have the same question for you, other than kelly and golden motor controllers, I dont know any other motor controller manufacturers. Could you suggest me some. Do you know some european manufacturers? I am asking in regards to e scooter controllers (with...

Hello DogDipstick, thanks for your help. But i Have some more questions. Other than Kelly controllers and golden motor controllers, I dont know any other motor controller manufacturers. Could you tell me about other controller manufacturers? Are there some European manufacturers as well...

Hello good people, I am new to the ev space and I trying to get started with them by learning about e scooters. These days I am reading about motor controllers. I was reading about a Kelly Controller and under the specifications part, it mentions "Frequency of Operation: 16.6KHz" [Link...

Hallo amberwolf, thanks for your reply. But what do you think about the component breakdown that I did for the controller? Am i missing some stuff in there still? I guess protection circuits could be added. If you think the component breakdown is complete, I can try estimating prices from...

Hallo Calab, thanks for the reply. I am conducting sort of a market study to understand the e scooter scenario in Germany and in south Asia. A part of this study also has understanding controllers in it. When I ask for a cost breakdown of a controller, I was sort of wanting to understand what...

Hello good people, I am new to the world of EVs and I want to learn more about them. I have been reading controller manuals to understand what an electric 2 wheeler motor controller is made of and I am trying to do a cost breakdown, like what part contributes most to a controllers total cost...

Hello good people, in the mean time, could someone tell me which companies are the leading electric 2 wheeler motor controller manufacturers? I only know Golden motors and Kelly controllers. I also wanted to know if there is a way I can know the motor controller supplier for a 2 wheeler like for...

I guess on the contrary. What I understand is that you only have to connect pin2 and not the pin2, 2 and 20 to make this work. Nevertheless, I have sent them another mail asking about this. Will update if I hear something. Until then, I have also attached a user manual for that controller...

Hello good People, I got the following reply from Kelly controllers about the analog regen braking thing: " This is used for brake analog regen mode. It needs 0-5V brake signal from pin2 port. Usually you need to connect brake throttle to pin4, pin2, pin20 for this signal providing." Hope this...

Hi Mr. Scrambler, thank you very much for this organised info. Have a good one. Vaibhi

Hello calab, thanks for your reply. About the Kelly controller thing, I emailed the company itself and I am waiting for their response. I will revert back as soon as I get something. About the research, I will take a look at the wiki page. Thanks for your advice. Greetings, Vaibhav Grover.

Hello to all, I am new to the EV world and I curious to learn about how these things function. I am researching on motor controllers these days. I was on the Kelly controllers website and found the manual for KVD Trapezoidal controller. Under heading 2.1 general features feature 18 state "Brake...