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Recent content by Mrusten

  1. M

    Blown fuse detection parallel battery bank

    I plan to use regular car 12v fuses Link im more of a "make it adjustable" type of guy but i could connect a scope across the fuse and have a look when i pull 25A and disconnect the fuse, i wil return to this when i get time to do it a reset push button on the circuitboard itself would be...
  2. M

    Blown fuse detection parallel battery bank

    tanks for your reply. isnt this overcomplicated? in my case the fuse is mainly protecting internat short circuit it wil newer blow from over carge/discharge current as there are more fuses down the line im looking for a circuit that can tell the state of the fuse, it seem like there is 2 ways...
  3. M

    Blown fuse detection parallel battery bank

    thank you, interesting, that could work fine, is it some how possible to set treshold value / adjust sensitivity?
  4. M

    Blown fuse detection parallel battery bank

    the system is already 240vdc so its high enough, i could have 6 series strings but i went for 6 in paralell module banks to save on bms cost. all this have already been up to consideration thats why im asking about a circuit to sens the fuse state
  5. M

    Blown fuse detection parallel battery bank

    hi thanks for answer im missing the circuit, thats what im asking for. transistors, led's, latch and reset switch have to be in the circuit. im using a plc to monitor the whole system and it wil tell me if a fuse is blown somwhere and i wil physically go and look for the led witch is on. if...
  6. M

    Blown fuse detection parallel battery bank

    I can not wrap my head around circuit designing, it's highly annoying! Could please someone help me to design the circuit I'm looking for? And please I'm looking for a circuit not other solutions like microcontroller LED across fuse, etc. So my issue: I have 6 leaf modules in parallel 8.4v when...
  7. M

    Discharge circuit, dump circuit

    yes i got several tips that scr wil not work. so i wil replace that bit with igbt
  8. M

    Discharge circuit, dump circuit

    thnks, i have a large igbt in storage somewhere witch i can use as well
  9. M

    Discharge circuit, dump circuit

    thats more than what i was thinking. here is a drawing to show what i was thinking, offcorse it do not work bechause i do not have the knowlege to make it correct but the design or how to do should be possible this way. 240v is stepped down to 0v and 245v wil then be 5v, potentiometer is there...
  10. M

    Discharge circuit, dump circuit

    it should be a simple driver circuit for that device, do you have the circuit diagram avalible?
  11. M

    Discharge circuit, dump circuit

    there you have it, what i want is basiccally a dc load but need to be controlled by the input voltage
  12. M

    Discharge circuit, dump circuit

    hello im looking for a circuit that can remove access power from a battery, but i can not find it anywhere. im not that competent in designing circuits so i wil try in forum. maybe someone have a circuit that i can use. i did not ask about safety, i did not ask about other ways of doing this...
  13. M

    need help with CIRCUIT ECU controlled O2 sensor enhancer

    It is a mess im sorry just ask and i will*explain. what is the easyest way to pwm*controll a opamp to offset a signal voltage?
  14. M

    need help with CIRCUIT ECU controlled O2 sensor enhancer

    im not sure if you understood, my load signal is just to tell the ignition what to do, advance timing etc. i had a look at the signal and its a pwm for sure, i eaven got a video that show steady frequency and longer pulse when i step on the trottle. its other comenication between the 2 ecu's too...
  15. M

    need help with CIRCUIT ECU controlled O2 sensor enhancer

    Its allways someone isent it put your nose on the big world problems, join the war against IS or something This smal project will not harm anyone or anything! My goal is to get back the oreginale air fuel ratio bechause modern fuels is mixed with ethanol and also ir runned true a reactor to...

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