Smart Grid Demonstration in Commercial Areas in Albuquerque, NM Atsushi Denda Shimizu Institute of Technology (SIT) Shimizu Corporation September, 2010
Profile of Shimizu Corporation Founded in 1804 in Edo (present-day Tokyo) Capital US$ 797,141 thousand in FY2009 Employees 11,369 (As of April, 2010) Consolidated net sales US$ 17.0 billion in FY2009 Main business Project planning, designing and construction Facility management, maintenance and renovation http://www.shimz.co.jp/english/index.html
Shimizu Institute of Technology (SIT) 193 researchers and 64 staffs Total R&D budgets in 2010 US$ 82.4 Million Breakdown of researchers Physics, Geology, Social Eng., etc 20% Chemistry 4% Mechanical Engineering 4% Architectural Engineering 46% Electronics 8% Civil Engineering 18%
History of Shimizu Smart Grid 2006 Urban Micro Grid (Japan) 2008 PV Micro Grid (China) 2011 Smart Grid (United States)
Microgrid system in SIT Microgrid control system Exhaust heat utilization Exhaust heat recovery Gas engine gen. 350kW 排熱回収 Absorption water heater-chiller Gas engine gen. 90kW Nickelmetalhydrite battery 40kW x 10hrs Thermal energy storage Electricdoublelayercapacitor 100kW x ±2 sec Solar photovoltaics 10kW Heat pump chiller Heat storage tank Purchased power Electric power flow Thermal energy flow Laboratory buildings Chilled/hot water
Microgrid control results in SIT Cascade Control (Analog Communication) Gas engine gen. working alone The same condition as an emergency gen. working alone. Islanded Mode Effective Power [kw] Effective Power [kw] Parallel Mode 300 250 200 150 100 50 0-500 100 200 300 400 500 600 Time [sec] 300 250 200 150 100 Load 50 Gas engine NiMH 0 EDLC -500 100 200 300 400 500 600 Time [sec] Effective Power (kw) Event Rate Event Rate 0.6 0.5 0.4 0.3 0.2 0.1 0 0.3 0.25 0.2 0.15 0.1 0.05 800 600 400 200 0-100 Control Start EDLC 0 500 1000 1500 2000 Time (sec) Frequency [Hz] Gas Engine 49 49.249.449.649.8 50 50.250.450.650.8 51 50±0.2 [Hz] Total Load of Labs Purchased Power from the Utility 0 49 49.249.449.649.8 50 50.250.450.650.8 51 Frequency [Hz] NiMH
PV Microgrid in China International Cooperative Demonstration Project for Stabilized and Advanced Grid-connection PV Systems(NEDO) Demonstration Study of Stabilized and Advanced Grid-Connection PV Systems for Micro-Grid (High Quality Power Supply) System Demonstration site: Hangzhou Dianzi University, Zhejiang, China
System installation PV Panels 120kW PV(Solar power generation):120kw Diesel engine Generator :120kW Total Generation Capacity : 240kW The PV ratio of total power : 50% EDLC, PQC, etc. System Control Room Substation(Receiving Point)
Islanded Test Results in Sunny day
Project Architecture NEDO SHIMIZU Toshiba Sharp Meidensha Fuji Electric Tokyo Gas Mitsubishi HI Furukawa Electric Furukawa Battery Secretariat Companies ITOCHU, ACCENTURE MGCS, HVAC, Total Coordinate Upstream EMS (5MW) PV PCS for PV PAFC Co-generation and MGCS Gas Engine Gen. Management/Operation of Lead Acid Battery VR Lead Acid Battery
Scope of Work 1. Stabilization of distribution line by load flow control at PCC of the commercial building :(Shimizu Toshiba Tokyo G 2. High reliable and stable power supply by the BEMS control in the islanded mode :(Shimizu Tokyo Gas) 3. DSM targeted the air-conditioning system :(Shimizu) 4. Robustness improvement of the PCS for PV :(Meidensha) 5. Gas-engine generator for high altitude operation :(Mitsubishi Heavy Industries) 6. Fuel cell for high altitude operation :(Fuji Electric Systems) 7. Advanced lead-acid battery management system :(Furukawa Electric) 8. Advanced lead-acid battery :(Furukawa Battery) 9. Photovoltaic system :(Sharp)
Project Site We are here. Plant Site Albuquerque International Sunport Commercial Building PV Panels City Center Mesa del Sol Commercial Building
High Penetration PV Feeder Concept Total load on Studio Feeder 14 2.5 MW, Projected Load after Residential build 4.5 MW Sewer Plant Substation Feeder 14 Normally Open switch to Sewer Plant 14 Studio Substation Feeder 14 Normally close switch To Studio Substation- Feeder 14 DOE Project Switchgear Switchgear PNM installed 500 kw PV with 2 MWh Battery Storage Studio Substation Feeder 14 Applied Materials Phase 1 Residential MdS house Option Albuquerque Studios Proposed - 200 kw PV Installed through Sharp/Mesa Del Sol Town Center MdS/NEDO commercial building Town Center 50 kw PV 13
Diagram of Smart Grid Distribution System City Center Electric Load 400kW Shimizu Thermal Storage Tank Shimizu Shimizu Shimizu Air-Source 冷凍機 Chiller 70USRT Absorption Chiller 20USRT Cooling Tower Main Grid Toshiba Receiving Point Power Supply Equipment Controller Shimizu & Tokyo Gas Heat Source Equipment Controller PCS Meidensya 50kW Dummy Load 100kW Lead acid Battery 50kW/100kW 160kWh 燃料電池 Fuel Cell 80kW Gas Engine Generator 240kW Toshiba Sharp Shimizu Furukawa Fuji Elec. MHI notes New Power line Exist. Power line Comun. line Smart meter Meter
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