DELBI 2009 International Conference NAS Battery Application 2 June 2009 Akimichi Okimoto
Outline of NGK Company Name NGK INSULATORS, LTD. Date of Establishment May 5, 99 Paid-in Capital 69,849 Million Yen Representative Directors Masaharu Shibata (Chairman) Shun Matsushita (President CEO) Taro Kato (Executive Vice President) Tsurayuki Okamoto(Senior Vice President) Number of Employees 2,99 (non-consolidated),55 (consolidated) Consolidated Subsidiaries 54 companies As of April, 2008 As of March, 2008 2
NGK Power Business Group Porcelain Insulators Hollow Insulators Polymer Insulators NAS Batteries 3
General of NAS Battery NAS Battery System (Sodium Sulfur Battery =NaS) MW system (0mx3mx5mH) Cells Sodium (Na) Modules(50kW) Sulfur (S) Ceramic tube 2Na + xs Discharging Na 2 Sx Charging 4
NGK's NAS Battery 8MW NAS Battery System for Hitachi Factory 5
Superior Function 200MW(,200 MWh) More than 6 hours a day rated output 2 High Energy Density High Energy Power 3 Fast Response 3 times energy density Of conventional battery Response Time: 2milliseconds /3 space footprint 6
Comparison Table of Various Battery Item Battery Continuous Discharge Duration with rated output Expected lifetime (at standard conditions) Size MW NAS (Base) 6 hours 5years Lead Acid (Current) 2 hours 3 to 5 years Lithium Ion 3 hours 0 years Ni-H 2 hours 7 years MWh(MWx6h) 3 times 2 times 3 times Weight MW 2 times 2 times MWh(MWx 6h) 6times 2 times 6 times Price MWh 5 times 3 times MWh x5 years 3 to 5 times 8 times 6 times Notes Self discharge Memory Effect No No Yes No Yes No Note: These data are typical values and change by the manufacturers Yes Yes 7
Installation Records 70 40 60 20 50 40 30 20 0 0 Total 270 MW 96 Systems 992 993 994 995 996 997 998 999 2000 200 2002 2003 2004 2005 2006 2007 Installed Capacity: MW LL: Load Leveling Production Capacity:90MW(2008) 50MW(200) 00 80 60 40 Installed Capacity: MW 20 0 LL LL+EPS LL+UPS Renewable R&D Others 8
Load Leveling by NAS Battery Application of NAS Battery Load leveling + Back up power for outage Power Discharge Charge Day Time Night Time 2 24 Time More than 270MW records 9
Typical NAS Battery Application :Stabilizing Intermittent Renewable Energy Smart Grid Vital role for Smart Grid to stabilize all generation and grid system 2:Substation Application :Charge :Discharge Minimizing fuel consumption and CO2 Emission 3:Ancillary Service Response:0 seconds to 00% Output : Up to 200MW 0
Application : Stabilizing Renewable Energy Flat Power :Charge :Discharge
Wind Application :Rokkasho Wind Farm 34MW Battery System for 5MW Rokkasho Wind Firm 5MW Wind Farm 34MW NAS Battery System August,2008 : Power Supply Start to Power Company also JEPX (Japan Electric Power Exchange) 2MW NAS 7sets Flat Control method 44m 2MW PCS 7sets 33.5m 82m 2
Solar Application: Wakkanai Project.5MW NAS Battery for 5 MW Solar Financed by NEDO (New Energy and Industrial Technology Development Organization) Project Size: Solar Panel: 5MW NAS Battery:.5MW 3
Substation Application Use :Peak Shaving / Load Leveling CO2 Gas generation ratio CO2/Output [wt-co2/kw] 0 20 40 60 80 00 Generator Output [%] 00 % rated operation(ro) :the most efficient and stable 2 Power below 00% RO :Charged to NAS 3 Power above 00% RO :Discharged from NAS The most efficient and stable operation of gas turbine by hybrid NAS Battery system Min. Fuel Consumption Minimum CO2 Output 4
Grid Control by NAS Battery (UAE Case) Battery Station Substation Application Control Center Substation Application Battery Station Substation Application Battery Station 5
Application 3: Ancillary Services Response:0 seconds to 00% Output : Up to 200MW 6
Application for SMART GRID Smart Grid NAS system can have vital role for Smart Grid to stabilize all generation and grid system Wind Turbine Photovoltanic Office Home Smart Meter Fuel Cell Information System Factory Fossil Generator MW Class Energy Storage System Control System Energy Storage 7
Micro Grid (Aichi EXPO) These system had operated at Aichi EXPO from Mar. to Sep. in 2005. And transferred to Tokoname City, and had operated from Aug. 2006 to Dec.2007. *Supported and funded by NEDO (New Energy and Industrial Technology Development Organization) 8