SYSTEM FOR DISTRIBUTING AND STORING ELECTRIC ENERGY

• US 20160006249A1
• Filed: 01/22/2014
• Published: 01/07/2016
• Est. Priority Date: 02/08/2013
• Status: Abandoned Application

• Current Assignee: Alberto Limonta, Davide Sala, Francesco Gargiuolo, Gabriele Rossato, Giovanni Sala, Giuseppe Carmine Peretto, Maurizio Egidio Brioschi, Michele Rossato
• Original Assignee: Alberto Limonta, Davide Sala, Francesco Gargiuolo, Giovanni Sala, Maurizio Egidio Brioschi
• Inventors: SALA, Giovanni, Rossato, Gabriele, GARGIUOLO, Francesco, SALA, Davide, LIMONTA, Alberto, BRIOSCHI, Maurizio Egidio, ROSSATO, Michele, PERETTO, Giuseppe Carmine
• Application Number:
  US14/765,597
• Publication Number:
  US 20160006249A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06Q 50/06 Energy or water supply
• CPC Class Codes: H02J 2300/20 The dispersed energy generation being of renewable origin
• CPC Class Codes: H02J 3/32 using batteries with converting means
• CPC Class Codes: H02J 3/381 Dispersed generators
• CPC Class Codes: H02J 7/0014 Circuits for equalisation of charge between batteries
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: H02J 7/35 with light sensitive cells
• CPC Class Codes: H02J 9/06 with automatic change-over , e.g. UPS systems
• CPC Class Codes: Y02B 10/10 Photovoltaic [PV]
• CPC Class Codes: Y02B 10/30 Wind power
• CPC Class Codes: Y02B 10/70 Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
• CPC Class Codes: Y02E 10/56 Power conversion systems, e.g. maximum power point trackers
• CPC Class Codes: Y02E 10/76 Power conversion electric or electronic aspects
• CPC Class Codes: Y02E 70/30 Systems combining energy storage with energy generation of non-fossil origin
• CPC Class Codes: Y02P 80/10 Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

The present invention refers to a system (100) for distributing and storing electric energy, comprising: - a first input terminal (103) connectable to a fixed electric network (105) for withdrawing electric energy from the latter; a second input terminal (106) connected or connectable to an electric energy source (107) alternative to the fixed electric network, particularly a renewable energy source, for withdrawing electric energy from the latter; an output terminal (102) for delivering electric energy to one or more users (101); a first input/output terminal (100) connected or connectable to a first storage system (8) for storing electric energy in the latter and for withdrawing stored electric energy from the same; a second input/output terminal (112) connected or connectable to a second storage system (9) for storing electric energy in the latter, and withdrawing stored electric energy from the same, the second storage system (9) being of a type different from the first storage system (8); a control module (3) configured in order to deliver electric energy to one or more users (101) by withdrawing it until it is reached an instant required quantity with the following sequence: 1) from the alternative electric energy source (105); 2) from the first storage system (8); 3) from the second storage system (9); 4) from the fixed electric network (105).

Claims

1. System (100) for distributing and storing electric energy, comprising:

a first input terminal (103) connectable to a fixed electric network (105) for withdrawing electric energy from the latter;

a second input terminal (106) connected or connectable to an electric energy source (107) alternative to the fixed electric network (105), particularly a renewable energy source, for withdrawing electric energy from the latter;

an output terminal (102) for delivering electric energy to one or more users (101);

a first input/output terminal (110) connected or connectable to a first storage system (8) for storing electric energy in the latter and for withdrawing stored electric energy from the same;

a second input/output terminal (112) connected or connectable to a second storage system (9) for storing electric energy in the latter and withdrawing stored electric energy from the same, the second storage system (9) being of a type different from the first storage system (8);

a control module (3) configured in order to deliver electric energy to one or more users (101) by withdrawing it until it is reached an instant required quantity with the following sequence;

1) from the alternative electric energy source (105);

2) from the first storage system (8);

3) from the second storage system (9);

4) from the fixed electric network (9).

2. System (100) according to claim 1, comprising a third input terminal (108) connected or connectable to an auxiliary generation system (109), wherein said control module (3) is configured so that, without available electric energy from the fixed electric network (105) or if it is exceeded the instant quantity available from the same, the electric energy to be delivered to the one or more users (101) is withdrawn subsequently:

5) from the auxiliary generation system (109).

3. System (100) according to claim 1, wherein said control module (3) is configured so that if the instant energy quantity required from the one or more users (101) is less than or equal to the instant energy quantity available from the alternative electric energy source (107), all the electric energy for the users (101) is withdrawn from the alternative electric energy source (107), and the excess of the available electric energy is delivered with the following sequence, until it is reached a corresponding complete recharge or until it is reached a predetermined charge level:

1) to the first storage system (8);

2) to the second storage system (9).

4. System (100) according to claim 1, wherein said control module (3) is configured so that if the instant energy quantity required by the users (101) is greater than the instant energy quantity available from the alternative electric energy (107), the electric energy for the users (101) is withdrawn with the following sequence, until it is reached the corresponding complete charge or until it is reached a predetermined minimum charge level:

1) from the first storage system (8);

2) from the second storage system (9).

5. System (100) according to claim 1, wherein said control module (3) is configured so that if the instant energy quantity required by the users (101) is greater than the instant energy quantity available from the alternative electric energy source (107), and both the first (8) and second storage systems (9) are completely discharged, or have a remaining charge less than or equal to a predetermined minimum charge level, the electric energy for the users (101) is withdrawn from the fixed electric network (105) and/or from the auxiliary generation system (109).

6. System (100) according to claim 1, wherein said first storage system (8) is characterized by charge and discharge rates greater than the ones of the second storage system (9) and by storable energy quantities less than the ones of the second storage system (9).

7. System (100) according to claim 1, wherein said first storage system (8) comprises one or more supercapacitors, and said second storage system (9) comprises one or more chemical batteries, particularly lithium batteries.

8. System (100) according to claim 1, comprising a first balancing system (112) associated to the first storage system (8), and a second balancing system (113) associated to the second storage system (9), arranged so that the supply voltages of the first (8) and second storage systems (8) are kept inside predetermined values during the recharge.

9. System (100) according to claim 8, comprising a first (5) and a second recharge modules (6) associated to the first (8) and second storage systems (9) respectively, and connected to the control module (3), wherein said first (112) and second balancing systems (113) are of the active type, and said first (5) and second recharge modules (6) are configured to keep active the first (112) and the second balancing systems (113) only during the recharge respectively of the first (8) and the second storage systems (9).

10. System (100) according to claim 1, comprising a module (1) for filtering the electric signal from the fixed network (105), and a transformer module (2) for modifying the voltage output from the filtering module.

11. System (100) according to claim 1, comprising an user interface module (10) so that an user can manage the system (100), and for displaying its operative parameters.

12. System (100) according to claim 1, comprising an inverter module (7) for processing the current for the one or more users, or dedicated for selling it to an energy provider (101).