HTS Cable Integration into Rural Networks with Renewable Energy Resources

Transcription

1 Platzhalter für Bild, Bild auf Titelfolie hinter das Logo einsetzen HTS Cable Integration into Rural Networks with Renewable Energy Resources Dr.-Ing. Nasser Hemdan

2 Outline Introduction Objectives Network Analysis and Scenarios Simulations Results Cost Analysis Conclusions Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 2

3 Introduction The vast networks of electrification are the greatest engineering achievement in the 20 th century U.S. National Academy of Engineering The Future of Energy Quelle: Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 3

4 Introduction Energiewende NEW COMPONENTS HVDC Overlay Grid Renewable Energy Integration NEW CONCEPTS Smart Grid Energy Efficiency Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 4

5 Introduction AmpaCity project in Germany Quelle: Nexans, 2012 Configuration of the retrofit cable system feeding downtown Amsterdam Quelle: EPRI, 2009 Proposed HVDC Interconnection Point with 5 GW DC HTS Power Cables Quelle: Superconductor Electricity Pipelines, by Narend Reddy Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 5

6 Outline Introduction Objectives Network Analysis and Scenarios Simulations Results Cost Analysis Conclusions Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 6

7 Main Objectives In the current work we have tried to explore the implications of the fluctuations of the renewable energy resources and load profiles on the feasibility of HTS integration into the distribution grids. The investigation was to conducted based on different scenarios Consideration of current and future network expansion (different time horizons) Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 7

8 Outline Introduction Objectives Network Analysis and Scenarios Simulations Results Cost Analysis Conclusions Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 8

9 Network Analysis and Scenarios Basic scenario Typical Network Load Wind CHP PV MVA MW MW MW Network 1 (Real Network) Network 2 Load MVA MVA Wind MW MW CHP MW kw PV MW kw Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 9

10 Network Analysis and Scenarios Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 10

11 Scenarios Network 1 Network 2 1 st Scenario HTS cable 20 kv conventional Cable 2 nd Scenario 20 kv conventional HTS cable Cable Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 11

12 Scenarios 3 rd Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 12

13 Scenarios 4 th Scenario Integration of HTS cables into the distribution network Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 13

14 Scenarios (Summary) 1 st Scenario 20 KV HTS Cable 20 kv Conventional Cable (4) Today nd Scenario 20 kv HTS Cable 20 kv Conventional Cable Today 3 rd Scenario 20 kv HTS Cable 110 Conventional Cable 110 Overhead lines Today th Scenario 20 kv HTS Cable (8) 20 Conventional Cable (8) 20 Conventional Cable (8, and 32) Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 14

15 Time Horizons Today Load at their maximum values DG with their rated power 2030 Loads were multiplied by 1.2 DG power was multiplied by Loads at their maximum values DG power was multiplied by Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 15

16 Outline Introduction Objectives Network Analysis and Scenarios Simulations Results Cost Analysis Conclusions Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 16

17 Simulation 3 Seasons Winter (Wi) Summer (Su) Spring/Autumn (SA) Load Profiles Working Days Saturday Sunday 9 days Load Flow with Load Profiles For Different Scenarios and Different Time Horizons Statistical Analysis Voltage Quality Reserve Capacity Wind CHP Duration Curve Maximum Range 9 days PV Minimum Range 9 days Energy Loss DG Profiles Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 17

18 Outline Introduction Objectives Network Analysis and Scenarios Simulations Results Cost Analysis Conclusions Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 18

19 Voltage Results 3 rd Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 19

20 Loading Results 3 rd Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 20

21 Energy Loss 3 rd Scenario Added Loss for HTS 20 km Today 12 W/m W/m W/m Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 21

22 Energy Loss 3 rd Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 22

23 Voltage Results 4 th Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 23

24 Loading Results 4 th Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 24

25 Energy Loss 4 th Scenario Added Loss for HTS 10 km Today 6 W/m W/m W/m Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 25

26 Energy Loss 4 th Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 26

27 Outline Introduction Objectives Network Analysis and Scenarios Simulations Results Cost Analysis Conclusions Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 27

28 Cost Analysis Installation 17% Terminals 15% Cable 55% Engineering 8% Refrigeration 5% Quelle: Conceptual study of superconducting urban area power systems. J Phys: Conf Ser 2010;234: Quelle: Method for estimating future markets for high-temperature superconducting power devices. IEEE Trans Applied Superconductivity, 2002;12: Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 28

29 Cost Analysis Cost Distribution Today Cable 632,500-60% -60% Refrigeration 57,000-67% -67% Engineering 92, Terminals 174,000-50% -50% Installation 195, Quelle: Conceptual study of superconducting urban area power systems. J Phys: Conf Ser 2010;234: Quelle: Method for estimating future markets for high-temperature superconducting power devices. IEEE Trans Applied Superconductivity, 2002;12: Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 29

30 3 rd Scenario Cost Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 30

31 4 th Scenario Cost Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 31

32 Outline Introduction Objectives Network Analysis and Scenarios Simulations Results Cost Analysis Conclusions Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 32

33 Conclusions Scenario Voltage Quality Energy Loss Cost Reserve Capacity 3 rd Scenario? 4 th Scenario Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 33

34 Conclusions HTS applications in power systems will be more competitive in the future Time series analysis provides a clearer overview about the implications of the integration of HTS cables into distribution grids as it takes into consideration the fluctuations of the renewable energy generation and load profiles. The ability of the HTS cables in decreasing the total energy loss of the grid depends on different factors such as the proposed location, and the loading state Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 34

35 Thank you for your attention [1] Integration of Superconducting Cables in Distribution Networks with High penetration of Renewable Energy Resource: Techno- Economic Analysis International Journal of Electrical Power & Energy Systems, vol. 62, pp , 2014 [2] Time Series Analysis of Rural Distribution Grids in the Presence of HTS Cables and Intermittent Renewable Resources IEEE Transactions on Applied Superconductivity, Vol. 24, No. 5, October 2014 Technische Universität Braunschweig Institut für Hochspannungstechnik und Elektrische Energieanlagen - elenia Prof. Dr.-Ing. Michael Kurrat Prof. Dr.-Ing. Bernd Engel Schleinitzstraße Braunschweig m.kurrat@tu-braunschweig.de Telefon: Fax: Hemdan HTS Cable Integration into Rural Networks with Renewable Energy Resources Seite 35