ENERGY HARVESTING BASED ACCESS CONTROL METHOD BASED ON ACCESS ENFORCEMENT POINT(S)

    公开(公告)号:EP4443400A1

    公开(公告)日:2024-10-09

    申请号:EP23166637.1

    申请日:2023-04-04

    Inventor: Duetschler, Urs

    Abstract: According to a first aspect of the present invention, a computer-implemented energy harvesting based access control method is provided. The method comprises instruction-polling, by an access enforcement point. Instruction-polling includes repeatedly sending an instruction request by the access enforcement point according to a polling time interval, and receiving, by the access enforcement point, an instruction. The instruction includes an unlock-command to cause unlocking an access point. The access enforcement point is configured to cause operation of the access point according to the instruction. The access enforcement point comprises energy harvesting means including a solar cell and an energy storage. The method further comprises: adjusting the polling time interval based on a status of the energy harvesting means.

    ENERGY STORAGE SYSTEM
    2.
    发明公开

    公开(公告)号:EP4425746A2

    公开(公告)日:2024-09-04

    申请号:EP24162226.5

    申请日:2020-04-29

    Abstract: This application provides an energy storage system. The energy storage system includes one or more energy storage unit clusters, and the energy storage unit cluster includes at least two energy storage modules connected in series. The energy storage system further includes a first bus, a second bus, and a centralized monitoring system of the energy storage unit cluster, where the second bus is a direct current bus. The energy storage unit cluster is coupled to the first bus by using a first converter. One energy storage module includes one energy storage element group and one DC/DC converter, and the energy storage element group is coupled to the second bus by using the DC/DC converter. The centralized monitoring system is connected to the energy storage unit cluster through a control bus, and is configured to control a DC/DC converter in any energy storage module in the energy storage unit cluster to output a compensation current to an energy storage element group end or draw a current from an energy storage element group end, so that energy storage element parameters of all energy storage modules are consistent. The energy storage system provided in this application can improve control flexibility of each energy storage module in the energy storage system and enhance management effectiveness of the energy storage system.

    PROCESS FOR INCREASING THE RECHARGING EFFICIENCY OF AN ENERGY STORAGE SYSTEM

    公开(公告)号:EP4412022A1

    公开(公告)日:2024-08-07

    申请号:EP24154370.1

    申请日:2024-01-29

    CPC classification number: H02J3/32 H02J7/35 H02J9/06

    Abstract: The invention relates to a process for increasing the recharging efficiency of an energy storage system when, said energy is withdrawn from the public and/or national electricity grid and is used to recharge, in advance with respect to when it will be subsequently used, one or more accumulators and/or storage systems (20) present in an electrical system, where the process is implemented by means of a computerized system acting on an inverter for managing the accumulators and/or storage systems, wherein said computerized system comprises at least one memory storage unit and at least one control unit configured to perform at least the following steps
    - a) monitoring the state of charge of one or more accumulators and/or storage systems (20) and the energy exchanged by them with the inverter (30) and/or the plant (10,15,100) during the charge/discharge phases over a time span;
    - b) monitoring the consumption profile of a user of the above-mentioned installation (10,15,100) over a time span;
    - c) monitoring the energy withdrawal profile from the public and/or national electricity grid of a user over a time span in the context of this installation (10,15,100);
    - d) estimation of the user's and/or plant's subsequent consumption and/or withdrawal profile (10,15,100) over a time span subsequent to a point in time of observation;
    - (e) analysis of changes in the price of electricity related to market developments and estimation, with respect to a point in time of observation, of the possible trend of the price of electricity over a time span following that point in time of observation;
    - (f) storage, management and aggregation of the data collected in phases (a) to (e) both in real time, namely at a given instant, and in an aggregate and/or statistical manner over time;
    and, on the basis of said data obtained from said monitoring and estimates, determination of the next most appropriate instant (TS) with respect to the time of observation for generating a command to start the recharging process of the accumulators and/or the storage systems (20) in the time period corresponding to the lowest values of the estimated price of energy wherein said recharging process is terminated at a later time (TE) upon reaching a predetermined amount of energy (STARGET) - from time to time calculated by means of said estimates - to be preemptively stored in the accumulators and/or in the storage systems (20) with the aim of making available, in said systems and where indispensable, the energy required for subsequent consumption by withdrawing it in advance, prior to its use, from the public and/or national electricity grid at the lowest possible estimated purchase price.

    SYSTEM, PROGRAM, AND MANAGEMENT METHOD
    8.
    发明公开

    公开(公告)号:EP4395118A1

    公开(公告)日:2024-07-03

    申请号:EP22867313.3

    申请日:2022-09-02

    Applicant: Softbank Corp.

    Abstract: Provided is a system comprising: a management unit that manages a plurality of battery packs, which are connected in parallel to a bus to which a power generation unit and a load are connected, to have the plurality of battery packs being alternately discharged so that a voltage difference between a battery pack with a highest voltage and a battery pack with a lowest voltage among the plurality of battery packs is not greater than a voltage threshold. Provided is a management method of a plurality of battery packs performed by a computer, the plurality of battery packs being connected in parallel to a bus to which a power generation unit and a load are connected, the method comprises: managing the plurality of battery packs to have the plurality of battery packs being alternately discharged so that a voltage difference between a battery pack with a highest voltage and a battery pack with a lowest voltage among the plurality of battery packs is not greater than a voltage threshold.

    REMPLACEMENT DE BATTERIES AU PLOMB PAR DES BATTERIES AU LITHIUM

    公开(公告)号:EP4387043A1

    公开(公告)日:2024-06-19

    申请号:EP23215102.7

    申请日:2023-12-07

    Inventor: ALNEJAILI, Tareq

    CPC classification number: H02J7/35

    Abstract: Circuit électrique (40) agencé pour être connecté à au moins un panneau photovoltaïque (3), à au moins une batterie principale (5) et à un régulateur de charge (6), et comprenant :
    - un premier composant d'alimentation (50) agencé pour, à intervalles prédéfinis, générer une première tension (V1) à partir d'une énergie photovoltaïque qui est produite par le au moins un panneau photovoltaïque (3) ;
    - un module de commutation (51) agencé pour, lorsque le premier composant d'alimentation (50) génère la première tension (V1), être alimenté par ladite première tension et appliquer, aux bornes de la au moins une batterie principale et du régulateur de charge, pendant une durée prédéfinie, une tension d'alimentation (Va) produite à partir de l'énergie photovoltaïque.

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