Flying John wrote:I wonder how difficult it would be to tap into the main motor cables and make the van think it is regen current it is getting. So hook up extra batt set greater than normal pack voltage, disconnect one motor cable and then switch on ignition and the controller will think it is regen current appearing on the motor....
Initially when I first saw this I thought it was a bit basic and may have had problems. Sorry "Flying John" as with all things elegant it has taken some time for me to catch-up with your advanced thinking.
This thread was extracted to discuss this further.
Just to clarify the advantages of "Flying John's" idea.
- the main motor cables are easily accessible from the controller top cover
- unlike the normal fast charging method that requires a separate charge monitor circuit to inform the Berlingo the amount of charge being accepted, this uses the inbuilt battery monitoring circuit.
- it would probably be a lightweight solution (using the existing circuits)
- the developer can choose the exact fast charge duration and can vary for individual situations (simply by changing the number or sizez of switched mode power supplies used).
Just to clarify that I think that this approach would probably only be suitable for fast charging down to 1 hour or longer (so that the max current is no different than normal discharge current).
I am very interested in people's thoughts as it is something that I would like to try.