DC Distribution Network For a better low carbon world Prof. Rong - PowerPoint PPT Presentation

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DC Distribution Network For a better low carbon world Prof. Rong Zeng Assistant Prof. Zhanqing Yu Department of Electrical Engineering (EEA) Tsinghua University 01/13/2011 Rong Zeng, Professor, Vice

DC Distribution Network � ——For a better low carbon world Prof. Rong Zeng Assistant Prof. Zhanqing Yu Department of Electrical Engineering (EEA) Tsinghua University 01/13/2011 �
• Rong ¡Zeng, ¡ ¡ ¡Professor, ¡Vice ¡Director ¡ ¡Dept. ¡of ¡Electrical ¡Engineering, ¡ Tsinghua ¡University ¡ • Main ¡research ¡topics ¡is ¡ – UHV ¡transmission, ¡ ¡ – DistribuAon ¡AutomaAon ¡ ¡ – EMC ¡in ¡power ¡systems. ¡ �
Demo DC Connection System � Distribute Generation and New Energy Application Technology Research Platform Fig. 8 Diagram of the research platform The infrastructure should be improved when DC distribution technology was induced.
Demo DC Connection System � High Performance Battery System and MMC Invertor Vanadium Redox Battery Stacks and its Testing System Lithium Iron Phosphate Battery Stack Super Capacitors � Multi-functional Battery Testing System � Unidirectional DC/ DC Converters � Bidirectional DC/DC Converters Bidirectional DC/AC Converters Fig. 6 VRB Stack and its Testing System
Possible issues � l Infrastructure l Potential use for different circumstances The DC distribution network may be applied to ： � Urban ¡ Tele ¡ Micro-‑ Centers � Grids � Data ¡ Shipboard ¡ Centers � Systems � Off-‑shore ¡ DC ¡ Family ¡ DistribuAon ¡ Power ¡ Users � Network � StaAons � Fig. 4 Potential use of DC Distribution Network
Technology Research Topics � Key Equipment Development � • The manufacture of inverters and converters � • The function of PEDs Integrated with the Renewable Energy � • The application of distribute generation � • The installation of energy storage devices Grounding & Overvoltage � System Protection and Control with PEDs � Impact on AC Systems � • The impact and interaction characteristics between the DC system and the AC system � Evaluation on Reliability & Safety � Cost Reduction �
Schedule � Target � Time Range � specifications � Remarks � Infrastructure � System research Key 2011.1~2011.12 � and design � technology � Demo system several 2011.7~2012.6 � construction � hundred Watt � For datacenter, load center, home use and so real system on with support 2012.6~ � 10MW � construction � of government and State Grid of China � Table. 1 Schedule of DC distribution construction

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