# US 10,500,967 B2 · Electrical charging apparatus, electrical charging station and method for controlling an electrical charging apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,500,967 B2 - Document ID: US10500967B2 - Status: Granted - Kind: B2 - Application number: 15/006,158 - Filed: 2016-01-26 - Published: 2016-07-28 - Granted: 2019-12-10 - Earliest claimed: 2015-01-26 - Assignees: Dr. Ing. h.c. F. Porsche Aktiengesellschaft - Applicants: Dr. Ing. h.c. F. Porsche Aktiengesellschaft - Inventors: Daniel Spesser; Thomas Krauss; Dirk Herke - Web page: https://patentgrep.com/patent/US10500967B2 ## CPC - B60L 53/14: Conductive energy transfer - B60L 53/63: in response to network capacity - B60L 53/65: involving identification of vehicles or their battery types - H02J 3/26: Arrangements for eliminating or reducing asymmetry in polyphase networks - H02J 7/731: {specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence)} - H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] - Y02E 40/50: Arrangements for eliminating or reducing asymmetry in polyphase networks - Y02E 60/00: Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - Y02T 90/167: Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV] - Y04S 10/126: the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G] - Y04S 30/14: Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract An electrical charging apparatus (10) for charging an electrical energy store of a motor vehicle (12) has an electrical connection (16) to electrically connect the charging apparatus (10) to a charging station (14) and to interchange electrical energy with the charging station (14). An electrical converter (18) is connected to the electrical connection (16) to interchange the electrical energy with the charging station (14) via the electrical connection (16) and to convert the electrical energy. A control unit (20) is connected to the electrical converter (18) to control the interchange of the electrical energy. A communication interface (22) is assigned to the control unit (20) and is designed to interchange data (34) with the charging station (14). The control unit (20) is designed to control the interchange of the electrical energy on the basis of the data. ## Claims ### Claim 1 An electrical charging apparatus for charging an electrical energy store of a motor vehicle, comprising: an electrical connector configured to removably connect the charging apparatus to a stationary charging station and configured to interchange electrical energy and data with the stationary charging station, wherein the electrical connector has a plurality of phases to interchange the electrical energy with the stationary charging station in a multi-phase manner; a communication interface electrically connected to the electrical connector; an electrical converter configured to be removably coupled to the electrical energy store of the motor vehicle and to convert the electrical energy from the stationary charging station from an alternating current (AC) voltage to a direct current (DC) voltage; an electrical line electrically connecting the communication interface to the electrical converter, the electrical line including a first electrical line and a second electrical line; the first electrical line including a first end and a second end, the first end of the first electrical line connected to the communication interface and the second end of the first electrical line connected to a control unit, the first electrical line forming a bidirectional powerline communication (PLC) channel between the communication interface and the control unit for transmitting data and electrical energy; the second electrical line including a first end and a second end, the first end of the second electrical line connected to the control unit and the second end of the second electrical line connected to the electrical converter, the second electrical line forming a bidirectional PLC channel between the control unit and the electrical converter for transmitting data and electrical energy; the control unit integrated in the electrical line and configured to form an overvoltage protection device; and the communication interface configured to interchange data between the stationary charging station and the control unit via the electrical connector and the first electrical line, wherein, the control unit is configured to independently control the interchange of the electrical energy in each of the phases between the stationary charging station and the charging apparatus via the electrical converter on the basis of the interchange data to prevent high reactive powers, zero point shifts, and asymmetrical network loads, wherein, in the event of an existing asymmetrical network load, the control unit is configured to limit the withdrawal of electrical energy over individual phases or load individual phases more greatly to avoid and/or compensate for the existing asymmetrical network load. ### Claim 2 (depends on 1) The electrical charging apparatus of claim 1, wherein the data interchanged with the stationary charging station have information relating to a maximum amount of electrical energy in the phases. ### Claim 3 (depends on 1) The electrical charging apparatus of claim 1, wherein the communication interface is connected to the electrical converter via the second electrical line. ### Claim 4 (depends on 1) The electrical charging apparatus of claim 1, wherein the communication interface forms a bidirectional interface for bidirectional data interchange. ### Claim 5 (depends on 1) The electrical charging apparatus of claim 1, wherein the electrical converter is positioned on the motor vehicle. ### Claim 6 A method for controlling an electrical charging apparatus, comprising: removably connecting an electrical converter of the electrical charging apparatus to a charging station, wherein the electrical connector has a plurality of phases to interchange the electrical energy with the stationary charging station in a multi-phase manner; interchanging data between the electrical charging apparatus and the charging station using a line that transmits electrical energy from the charging station to the electrical charging apparatus; independently interchanging the electrical energy in the phases between the charging station and the electrical converter by controlling the electrical converter on the basis of the interchanged data; and providing a control unit integrated in the line between the electrical converter and the charging station, the control unit configured to form an overvoltage protection device and to control the electrical converter to independently control the interchange of electrical energy in each of the phases between the stationary charging station and the charging apparatus on the basis of the interchanged data to prevent high reactive powers, zero point shifts, and asymmetrical network loads, wherein, in the event of an existing asymmetrical network load, the control unit is configured to limit the withdrawal of electrical energy over individual phases or load individual phases more greatly to avoid and/or compensate for the existing asymmetrical network load. ### Claim 7 (depends on 6) The method of claim 6, further comprising transmitting authentication data from the charging apparatus to the charging station for authenticating the electrical charging apparatus.