# US 2018/0026442 A1 · Energy store for a photovoltaic system, energy storage power plant, control device, and method for operating an energy store > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0026442 A1 - Document ID: US20180026442A1 - Status: Published application - Kind: A1 - Application number: 15/720,426 - Filed: 2017-09-29 - Published: 2018-01-25 - Earliest claimed: 2012-07-19 - Assignees: Robert Bosch GmbH - Applicants: Robert Bosch GmbH - Inventors: Werner Belschner - Web page: https://patentgrep.com/patent/US20180026442A1 ## CPC - H01M 10/441: {for several batteries or cells simultaneously or sequentially} - H01M 10/465: {with solar battery as charging system} - H02J 1/14: Balancing load and power generation in DC networks - H02J 3/00: Circuit arrangements for AC mains or AC distribution networks - H02J 3/32: using batteries or super capacitors with converting means - H02J 3/381: {Dispersed generators} - H02J 3/466: Scheduling or selectively controlling the operation of the generators or sources, e.g. connecting or disconnecting generators to meet a demand - H02J 7/35: with light sensitive cells - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 10/06: Lead-acid accumulators (semi-lead accumulators H01M10/20) - H01M 2220/10: Batteries in stationary systems, e.g. emergency power source in plant - H02J 7/82: Control of state of charge [SOC] - H02J 2101/24: Photovoltaics - Y02B 10/10: Photovoltaic [PV] - Y02E 10/56: Power conversion systems, e.g. maximum power point trackers - Y02E 60/10: Energy storage using batteries - Y02E 70/30: Systems combining energy storage with energy generation of non-fossil origin - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract An energy store for a photovoltaic system has: a first capacity range which is provided for feeding into the power grid; a second capacity range which is provided for internal consumption and feeding into the power grid; and a third capacity range which is provided for feeding into the power grid. ## Claims ### Claim at position 1 1-8. (canceled) ### Claim 9 An electrochemical energy store having a capacity with different states of charge that are controlled by a control device of the energy store, the electrochemical energy store comprising: a first capacity range for feeding into a power grid; a second capacity range for a consumption by coupled consumers and for feeding into the power grid; a third capacity range for feeding into the power grid; a fourth capacity range that is blocked; and a fifth capacity range that is blocked. ### Claim 10 (depends on 9) The electrochemical energy store as recited in claim 9, wherein the electrochemical energy store is for a photovoltaic system. ### Claim 11 (depends on 9) The electrochemical energy store as recited in claim 9, wherein the control device adjusts an actual state of charge of the electrochemical energy store in such a way that one of a set positive energy quantity and a negative energy quantity for feeding into the power grid is providable by the electrochemical energy store for a set time window at a set time. ### Claim 12 (depends on 11) The electrochemical energy store as recited in claim 11, wherein the control device adjusts the actual state of charge of the electrochemical energy store, taking into account at least one of a past load curve of an internal consumption and a yield projection of a photovoltaic system. ### Claim 13 (depends on 9) The electrochemical energy store as recited in claim 9, wherein at least one of: the first capacity range is 10% to 40% of the capacity of the energy store, the second capacity range is 40% to 80% of the capacity of the energy store, and the third capacity range is 80% to 90% of the capacity of the energy store. ### Claim 14 (depends on 9) The electrochemical energy store as recited in claim 9, wherein the electrochemical energy store is an electrical accumulator. ### Claim 15 (depends on 14) The electrochemical energy store as recited in claim 14, wherein the electrical accumulator includes one of a lead accumulator and a lithium-ion accumulator. ### Claim 16 An energy storage power plant, comprising: a plurality of electrochemical energy stores, each electrochemical energy store having a capacity with different states of charge, wherein the electrochemical energy store includes: a first capacity range for feeding into a power grid, a second capacity range for a consumption by coupled consumers and for feeding into the power grid, a third capacity range for feeding into the power grid, a fourth capacity range that is blocked, and a fifth capacity range that is blocked; and a central control device coupled to the plurality of electrochemical energy stores, wherein the central control device sets one of a positive and a negative energy quantity for feeding into the power grid for a time window at a specific time at least one of for an individual electrochemical energy store and for a group of the plurality of electrochemical energy stores. ### Claim 17 A method for operating an electrochemical energy store having a capacity with different states of charge that are controlled by a control device of the energy store, the electrochemical energy store including a first capacity range for feeding into a power grid, a second capacity range for a consumption by coupled consumers and for feeding into the power grid, a third capacity range for feeding into the power grid, a fourth capacity range that is blocked, and a fifth capacity range that is blocked, the method comprising: measuring an actual state of charge of the electrochemical energy store; setting one of a positive energy quantity and a negative energy quantity of the electrochemical energy store for feeding into the power grid for a time window at a specific time; and adjusting the actual state of charge of the electrochemical energy store, using the first capacity range, the second capacity range, and the third capacity range of the energy store, at the specific time in such a way that the one of the positive energy quantity and the negative energy quantity for feeding into the power grid is providable by the energy store for the time window at the specific time.