Technical Guideline Charging Infrastructure Electromobility Version 3 Publisher Table of contents 1 Technical Guideline Charging Infrastructure ............................................................................................... 4 1.1. Motivation for Version 3 ............................................................................................................................ 5 1.2. Target groups .............................................................................................................................................. 5 1.3. Standards and their impact ...................................................................................................................... 6 1.4. Thematic delimitation ................................................................................................................................ 6 2 Charging ................................................................................................................................................................. 7 2.1. Normal charging and fast charging ....................................................................................................... 8 2.2. Charging modes .......................................................................................................................................... 9 2.2.1 Charging mode 1 (mode 1)..................................................................................................................... 9 2.2.2 Charging mode 2 (mode 2)..................................................................................................................... 9 2.2.3 Charging mode 3 (mode 3)................................................................................................................... 10 2.2.4 Charging mode 4 (mode 4)................................................................................................................... 10 2.2.5 Communication between the vehicle and charging station ............................................................. 11 2.3. Combined Charging System .................................................................................................................. 11 3 Planning ................................................................................................................................................................ 13 3.1. Demand for power input ......................................................................................................................... 14 3.1.1. Determination of the charging capacity and number of charging points ...................................... 14 3.1.2. Load management ................................................................................................................................ 15 3.2. Arrangements for metering and value added services .................................................................. 15 3.3. Installation location .................................................................................................................................. 16 3.4. Electrical installation ............................................................................................................................... 17 3.4.1. Grid connection ..................................................................................................................................... 18 3.4.2. New installations and aftermarket installation .................................................................................. 18 3.4.3. Notes on the setting up the system .................................................................................................... 20 3.5. Lightning and surge protection ............................................................................................................ 20 3.5.1 Surge protection requirements ............................................................................................................. 20 3.6. Qualifications and right to perform ...................................................................................................... 21 4 Operation .............................................................................................................................................................. 22 4.1. Safety ........................................................................................................................................................... 23 4.1.1 Instructions for using charging cables ................................................................................................ 23 4.1.2 Fire protection ......................................................................................................................................... 23 4.1.3 Inspection ................................................................................................................................................ 23 4.1.4 Data protection / Data security............................................................................................................. 23 4.2. Operation .................................................................................................................................................... 23 4.2.1 Ergonomics ............................................................................................................................................. 23 4.2.2 Access ..................................................................................................................................................... 24 4.2.3 Instructions .............................................................................................................................................. 24 4.3. Billing and management ......................................................................................................................... 24 4.3.1 Capturing information about charging cycles .................................................................................... 25 4.3.2 System monitoring and preventing unauthorized access ................................................................ 25 5 Use case ............................................................................................................................................................... 26 5.1. General information and recommendations ...................................................................................... 27 5.1.1 Publicly accessible ................................................................................................................................. 28 5.1.2 Private ...................................................................................................................................................... 28 5.1.3 Other example cases, demarcation .................................................................................................... 28 5.1.4 Considerations for property owners and managers.......................................................................... 28 5.2. Checklist...................................................................................................................................................... 29 6 Prospects ............................................................................................................................................................. 31 6.1. Further development of standards ....................................................................................................... 32 6.1.2 DC charging as per DIN EN 61851-23 ............................................................................................... 32 6.2. Intelligent power grids - "Smart grids” ............................................................................................... 33 6.2.1 Energy recovery into the electrical power network ........................................................................... 33 6.2.2 Grid usability ........................................................................................................................................... 33 6.3. Inductive charging .................................................................................................................................... 34 7 Literature .............................................................................................................................................................. 36 List of abbreviations ............................................................................................................................................. 39 1 Technical Guideline Charging Infrastructure 1.1. Motivation for Version 3 1.2. Target groups This extensive revision of the technical guideline This guideline is primarily aimed at the following on charging infrastructure takes into account the target groups: rapid technological progress and ongoing devel- • Home owners and real estate owners opments in the field of electromobility. • Property managers and parking garage In the years since the publication of the first edi- operators tion, concrete changes which necessitate a com- • Architects and urban planners prehensive adaptation have taken place both on • Public administration employees the technical side and in the adoption application • Network operators and energy suppliers rules and guidelines. • Electrical planners and installers Crucial points are the market-ready development and standardization of the Combined Charging The latter two