Battery Management System Safety and Fault Management for Lithium Ion Batteries

Have you ever wanted to know how your Battery Management System (BMS) helps keep you safe and manages faults? In this video, Erik Stafl, President of Stafl Systems discusses BMS safety and fault management. This technology is used for many lithium ion battery systems, including those in drones and electric vehicles.
Topics Covered:
BMS safety
Safe Operating Area
Over Voltage Fault (OV Fault)
Over Temperature Fault (OT Fault)
Under Voltage (UV Fault)
Under Temperature (UT Fault)
Dendritic Growth
Thermal Runaway
Fault Reporting
BMS Disconnect
We look at the conditions the BMS monitors, using a system diagram to understand cell voltage reporting. Using a chart with voltage and temperature, Erik explains the safe operating area for the battery pack cells. The BMS monitors the minimum safe temperature, maximum safe operating temperature, minimum safe voltage and maximum safe voltage, depending on chemistry. The BMS will work to keep battery cells within the safe operating area and report any faults that threaten overtemperature or overcharge, which can lead to thermal runaway. The BMS will also prevent overdischarge or under temperature that can also threatened the battery cell.
The BMS manages the cell performance and communicates this information to the external application. The BMS can also disconnect the from the external application to protect the battery pack to prevent unsafe operation, triggering a fault.
Learn more at https//staflsystems.com.

[@kodygolden5016]

He created these videos to market his BMS system instead got a bunch of nerds learning at 3am.
Big win for Stafle. More content like this, please!!

[@Kevin-nj4ez]

*Me reading this at 3.40 AM* 🧐

[@unwired]

Watching 3:52AM GMT8

[@VuongNguyen-cg6yo]

Best concept of safety and operation regions of lithium battery. Leave the design to BMS engineers. Thanks.

[@navnithrajsn1705]

Excellent presentation and very easy to understand.

[@user-fi1on3ds5h]

Thanks so much for your tutorial! Concisely clear. Really helps a lot.

[@hodaagouda1642]

Thanks for this excellent lectures .

[@tonymunn]

Another excellent video. Thank you.

[@moniftormos6881]

Great tutorial
Thank you Sir!

[@pramodsrinivas1822]

A complex topic explained so well !

[@naohwatson854]

More videos like this, please.

[@vamsikrishna5391]

Nice explanation sir plz continue the series

[@moonhyeoksong5710]

please make more videos. awesome!

[@ishtiakahmed3778]

very helpful easy to understand,,

[@burhan-72.4k]

fantastic explanation

[@reyreygoawayYT]

this is so helpful. thank you

[@koeniglicher]

I would love a video on cell balancing as well. And examples of battery packs, that have cells in parallel as well like a 3s2p battery pack.

[@makeinelectronics4488]

Best videos sir , thank you 😁

[@energyeve2152]

Thank you for sharing

[@IEPBrasilia-Marco_Oliveira]

Parabéns Erik pelos incríveis vídeos. Poderia disponibilizar um vídeo dos ensaios das Estações de Recarga EVSE utilizando simuladores de veículos elétricos? Thank's

[@lalithkumar5282]

Thank you for knowledge sharing.. we expect more videos..

[@staflsystems]

Keep watching! We have more videos coming. Be sure to subscribe to the channel.

[@lalithkumar5282]

@@staflsystems worthy to subscription!!!!

[@mariselvans]

Fantasic explanations about BMS , could you also explain about EMS for BESS ? thanks

[@maheshvarpe3631]

Very nice 👌👍😊

[@MA-du2nd]

thank you

[@cantuvinicius]

very good

[@Dzikr_Family]

kereeeeen sekali👍🏻👍🏻👍🏻

[@simonleventeattila]

Any idea when a video regarding ISOLATION FAULTS comes out?

[@madguy4u]

I have a question: 4:45 - 5:30 = How can dendritic growth occur during over discharge in full cell? This is the process of Li+ going into cathode/oxide and LiC6 converting to carbon. Where is the dendrite growth going to occur? negative or positive electrode? If yes how is it going to occur? Please feel free to contact me.

[@noer0205]

Yeah I would also question the explanation in the video on this point. From what I know Overdischarge would be more likely to cause decomposition of the cathode and, in severe overdischarge cases, even the anodes copper conductor as well. Both scenarios are irreversible, like metal plating, but different never the less.

[@snort455]

so if u unplug the battery does ot stop the cell catching fire?

[@robertostazzoni]

Thanks and congratulations for your excellent videos! - Just a (may be stupid) comment. Could you please start the name of the videos with the "reccomended order " we sholud see them? Thanks!

[@staflsystems]

Thanks for this suggestion. We will start adding these to playlists in the recommended viewing order.

[@manojshivakumar5244]

Can you tell the references you used.

[@semantic-technologies]

Hi,
Any one know the battery connections in Fujitsu battery HDQ type?

[@dominicbravo9360]

Ì have one but they take it down 😭

[@sunsetpost4931]

Love from bharat.

[@prasuRangoli]

Y cells unbalance and how overcome it sir☺️

[@mostlymessingabout]

Rebalance

[@ranjitmangaraj7924]

Please upload a cell balancing algorithm or Technical standard practices used in design Battery pack for EV

[@rgerge1733]

you need to adjust the content

[@970087983]

Awsome videos .
Your explanation is next level.
hope we can hear such videos more and more in future
Entire electric vehicles architecture .
Thankyou
From India

[@Glockperfection666]

Damn this is so good. Please post more engineering videos concerning BMS capabilities . Also please post video on how the onboard AC charger and offboard DC charger work. Than k you