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Peugeot, Citroen Start/Stop Capacitor Specs: Voltage, Connections, Capacity 650F?

MotoAuto 26790 9
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 14591428
    MotoAuto
    Level 11  
    I have questions about the capacitor for the start/stop system used in Peugeot and Citroen cars. Maybe someone has already checked this capacitor.

    http://www.continental-corporation.com/www/pr...ss_releases/pr_2010_10_13_microhybrid_en.html

    - What is the voltage of this capacitor?
    - Are the current terminals connected directly to the capacitor or is there a relay inside the housing?
    - What is this cable with a plug for? Is it for the temperature sensor or for some electronics inside the capacitor?
    - What is the leakage current?
    - Does this capacitor actually have a capacity of 650F?
    Maybe someone has a diagram of how to connect this system in a car.
    Attachments:
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  • #2 15858548
    Eryk1000
    Level 17  
    This capacitor module is probably charged to 5.4V. According to practice, one capacitor is charged to 2.7V. Two 1200F units are connected in series.

    Peugeot, Citroen Start/Stop Capacitor Specs: Voltage, Connections, Capacity 650F?
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  • #3 15885413
    rafal_rx
    Level 25  
    Here you have more: articles.sae.org/8412/
    There is no diagram :-( The idea is described. After 3 months, if I remember correctly, it retains 60% of the charge.
    From the article you provided and from sae it appears that it is connected to electronics called E-booster.
  • #4 17522830
    audic5
    Level 12  
    it is a so-called Energi battery charged at 5v
  • #5 17524381
    genek1000
    Level 35  
    Friend Audic5, can you write more about it - what is it for and what is it connected to?
    Does this have anything to do with the vehicle`s multimedia?
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  • #6 17524479
    kkknc
    Level 43  
    To the alternator. Turning it into generators. For starting a warm engine. And acceleration assistance.
  • #7 17524875
    genek1000
    Level 35  
    kkknc wrote:
    And acceleration assistance.

    Means what? It converts this 5V into energy that the alternator uses to work as an electric motor?
  • #8 17525214
    kkknc
    Level 43  
    The alternator is a 3F generator. If you add an inverter, you will turn it into an engine.
    This is how it works, there are videos on YT presenting this technology.
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  • #9 20009264
    Kalafiores80
    Level 10  
    A question about S&S, a new battery, the symptom is that the engine dies and revs back up, the ECU light flashes. P1A8D error. Has anyone encountered this?
    I will add that S&S worked properly.
  • #10 21509256
    yaca1967
    Level 12  
    I did something like this: "initializing the health status of the energy accumulator" everything is back to normal - reason? a marten got into the harness from the capacitor ...greetings
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Topic summary

The discussion revolves around the specifications and functionality of the start/stop capacitor used in Peugeot and Citroen vehicles. Key points include that the capacitor is likely charged to 5.4V, with some sources indicating a capacity of 650F, although practical configurations may involve two 1200F units in series. The capacitor connects to an electronic system referred to as E-booster, which aids in energy management for starting warm engines and providing acceleration assistance. There are inquiries about the connections, including whether terminals are directly linked to the capacitor or involve a relay, and the purpose of additional cables, which may relate to temperature sensing or internal electronics. Leakage current and charge retention over time are also discussed, with reports suggesting a retention of 60% after three months.
Summary generated by the language model.
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