IPS Rev 1.0 Ken Lutz University of California, Berkeley

Information Overlay to the Energy Grid 2 Conventional Electric Grid Generation Transmission Distribution Load Intelligent Energy Network Load IPS Source IPS energy subnet Intelligent Power Switch Conventional Internet IPS 1.0 Here

3 Intelligent Power Switch (IPS) Energy Network PowerComm Interface Energy Storage Power Generation Host Load energy flows information flows Intelligent Power Switch PowerComm Interface: Network + Power connector Scale Down, Scale Out

4 Intelligent Power Switch (IPS) Data and Energy Network PowerComm Interface Energy Storage Host Load Uni-directional energy flow information flows Simplified IPS 1.0 PowerComm Interface: Network + Power connector Scale Down, Scale Out Time series Data Archive sMAP Plotter

Energy Coupler Multi-port Universal Energy Coupler –Support for Independent AC domains if desired Control of power flows in energy network Integration of distributed storage 5 Intelligent Power Switch (IPS) AC Clock 1 Data and Energy Network PowerComm Interface Energy Storage Host Load AC Clock 2

Intelligent Power Switch (IPS) Data and Energy Network PowerComm Interface % Capacity Host Load sMAP Plotter Time series Data Archive PowerComm Interface Network Based Control and Actuation Data Measurement for monitoring current state and archival 6 Voltage, Current

IPS Prototype Battery Charge Controller 12 V Lead-Acid Battery 15 VDC Converter Load Controller Inverter AC Out AC In ACME DC Output LabJack Voltage, Current Switch Actuation Voltage, Current Switch Actuation DC Bus

Specifications 400 Watt Nominal 50% Efficiency AC- AC (low load) 64% Efficiency AC- DC Hold up time 20 min (discharge to 11.5V) Recharge time 60 min 8

Mode 1: Run From Grid Battery Charge Controller 12 V Lead-Acid Battery 15 VDC Converter Load Controller Inverter AC Out AC In ACME DC Output Run Only from Utility

IPS Voltage and Current 10 IPS Current

Mode 2: Run From Battery Battery Charge Controller 12 V Lead-Acid Battery 15 VDC Converter Load Controller Inverter AC Out AC In ACME DC Output Run from Battery

Utility OFF, Run From Battery 12

Mode 3: Run and Charge 12 V Lead-Acid Battery 15 VDC Converter Load Controller Inverter AC Out AC In ACME DC Output Run And Charge from Utility Battery Charge Controller

Line and Battery Operation 14 IPS Current

Run From Battery Then Run and Recharge 15 IPS AC Input Power

Mode 4: Charge Only 12 V Lead-Acid Battery 15 VDC Converter Load Controller Inverter AC Out AC In ACME DC Output Charge Only from Utility Battery Charge Controller

IPS 600W AC-15VDC Converter Solid State Switches 40A Xantec Charge and Load Controllers Lead Acid Battery Exeltech 600W inverter Labjack for sense and control ACME AC power measurement 17

IPS and FitPC-2i cluster 18

Future Work Package IPS and Replicate to Form a Network Incorporate Local Intelligence and State to support plug and play? Scale Storage driven by load requirements Bi-Directional Power Flow? 19