CICED 2016 Xi an, China Distribution Grids The active link between generation and consumption Theodor Connor Siemens AG Erlangen, Germany CIRED Chairman of the Directing Committee CICED 2016 Xi an, August 2016 1
History of power supply systems Power GVA MVA kva VA Alternating current Direct current BBC AC Systems AC Systems DC Systems Direct current 1900 2000 CICED 2016 Xi an, August 2016 2
From island supply to interconnection Generation Location of resources Load Increase of load Losses => Transmission => Higher voltage level Outages => Meshes Back up Load balancing => Interconnection CICED 2016 Xi an, August 2016 3
Carbon dioxide concentration in the air CO 2 Konzentration 500 400 300 200 100 0 1000 1200 1400 1600 1800 2000 Industrial revolution CICED 2016 Xi an, August 2016 4
Think in Energy Social aspects Politics Emissions Trade Energy Electricity Electricity Transmission Transmission Distribution Transport Distribution Demand GenerationDemand Generation Heating Cooling Energy resources Geographic's CICED 2016 Xi an, August 2016 5
Physics of electricity supply Up to now no large scale storage of electricity is not possible! Transmission Excitation => U, Q Revolution => f Distribution Steam => P Generation Load Schedule Stochastical Load => Predictable Load CICED 2016 Xi an, August 2016 6
Challenges of future grids Renewable Regulator TSO Trade DSO Excitation => U, Q Revolution => f Steam => P Smart Meter Distributed generation E-Car Generator Trade Customer Storage CICED 2016 Xi an, August 2016 7
Concept of today s distribution Control center Circuit breaker Load breaker Traditional network CICED 2016 Xi an, August 2016 8
Integration of distributed generation U U Voltage band Selective protection Fault current level Voltage quality Operational details CICED 2016 Xi an, August 2016 9
Development of load and fault currents I K max Fault Future I K min I max Load Load I max Load Flexible network configuration e.g. Islanding Night Day Past I K min Flexible loading within tolerable limits CICED 2016 Xi an, August 2016 10
Components and functions of future grids Micro Grid Power Quality Energy Storage Supply Reliability Integration of E-car Virtual Power Plant Distribution Automation Demand Side Management Energy Efficiency and Energy Management Smart Metering and Meter Data Management CICED 2016 Xi an, August 2016 11
Components and functions of future grids Power Micro Grid Power Quality Balanced generation curve Energy Storage Supply Reliability Typical PV infeed Integration of E-car Virtual Power Plant Distribution Automation Demand Side Management Balanced infeed curve PV infeed fluctuating due to clouds Time Energy Efficiency and Energy Management Smart Metering and Meter Data Management CICED 2016 Xi an, August 2016 12
Components and functions of future grids Micro Grid Control Centre Power Quality Energy Storage Supply Reliability Wind park Integration of E-car Virtual Power Plant Distribution Automation Demand Side Management PV Load Energy Efficiency and Energy Management Smart Metering and Meter Data Management Co-Gen Industry Fuel cell Battery CICED 2016 Xi an, August 2016 13
Components and functions of future grids Micro Grid Power Quality Energy Storage Supply Reliability Operation with neutral grounding S3 Integration of E-car Virtual Power Plant S1 S4 S2a S2b Distribution Automation Demand Side Management Energy Efficiency and Energy Management Smart Metering and Meter Data Management CICED 2016 Xi an, August 2016 14
Components and functions of future grids Micro Grid Power Quality Energy Storage Supply Reliability Integration of E-car Virtual Power Plant Distribution Automation Demand Side Management Utility Optimal loading Load control Simplification of billing Trade Energy Efficiency and Energy Management Awareness of consumption Competition Other services: Communication Water/Gas Security Society Customer Tariff selection Provider selection Load control Public Smart Metering and Meter Data Management CICED 2016 Xi an, August 2016 15
Vision of intelligent electricity grid Control centre Adaptive protection Position Condition Smart meter Load control Generation Temperature Future distribution network CICED 2016 Xi an, August 2016 16
Grid components as foundation of business Digitalization Grid control grid applications planning and simulation data analytics Automation Electrification Smart communication self healing smart metering grid protection SCADA - grid automation power quality, Generators Transformers Breaker, Switchgear, Fuses High voltage direct current transmission, FACTS Overhead lines, cables, compact transmission lines Isolator, Bushings, Surge Arrestor, Instrument transformer CICED 2016 Xi an, August 2016 17
Modelling of hybrid systems E-Storage Wind PV-Park Heat-Storage Tank Electricity grid E- heating P2HC Heating/Cooling system P2G Heat pump Home Industry Boiler Solar-thermal PV-Pannel Micro-Co-gen Bio-Gas Gasstorage Gas network Co-generation CICED 2016 Xi an, August 2016 18
Final statement Thank You for the attention. Sorry for my limited Chinese language skills and have a successful conference CICED 2016 Xi an, August 2016 19