CRIEPI/Japan Utility Visit Paul M. Grant Strategic Science & Technology 26 March 1998 New EPRI Organization New SS&T Organization SS&T Program Structure ($38 M/yr) n Legacy Superconducting Cable EPRI/DARPA APE Initiative n Spot Individual Outstanding Projects n Strategic Initiatives Goal-oriented blended advanced technology programs Legacy -- Examples n Pirelli/EPRI/ASC/DECO/DOE Substation Cable Demonstration 120 m, 3 , 26 kV, 2 kA rms, $6 M, 3 years n ASC/EPRI Coated Conductor Alliance Deformation textured, MOD buffer/YBCO, $14 M, 4 years n EPRI/DARPA Advanced PE Alliance SiC, GaN, Diamond devices, kV, 2-5 kA, $11 M, 3 years Strategic Initiatives -- Examples n Future Power/Information Corridor Underground (2 m dia tunnel, 50 m deep) Use Overhead ROW LVDC HTSC (50 kV, 50 kA) Fiber Optics CH 4, Hydrogen Parcel Delivery Strategic Initiatives -- Examples n Advanced Coal-Fired Generation CGCC 6-12 pole HTSC Rotors HTSC Busses HTSC Transformers Storage in a Re-regulated Electric Utility Industry SMES Definitions 1 MJ = 0.28 kWh SMES Applications CH 4 : Monthly Price Fluctuations 5 GWh SMES SMES (1-10 MJ { kWh}) n Local Power Quality n SI/ASC, IGC ($700 - $900 K) n 17 units installed in US (1-3 MJ) n 1 unit abroad (ESKOM) n US Market ???? Abroad ? n Possible Military Opportunity The SokPlot Time C/P ($/kAm) Substation Elimination SMES/FCL/Transformers 70% New UG Cables Wire C/P Market Entry Threshold n Assumptions/Costs Tape Dimensions: 5 mm 0.5 mm 50% HTSC Fill Factor I C = 100 A Ag Cost = $0.153/gm n Ag C/P = $20/kA m BSCCO OPIT/Ag : Ag Component, C/P J C Paths in BSCCO OPIT/Ag U. Wisconsin E = aJ n n = 15 T = 77 K E = 1 V/cm BSCCO OPIT/Ag: E-J Characteristic L R(I) I(t) bIL dI dt 0 I(t) b(n1) L (tt)I n 00 1n 1 1n Solenoid Loop Current: t > t 0 Persistent Current Decay E-011.0E+011.0E+031.0E+051.0E+07 t (sec) I (A) B = 0.50 T B = 0.25 T 12 Days Persistent Current Decay EPRI Advanced Energy Storage n Assess C/P potential of HTSC coated conductors for SMES n Address scale-up to FACTS level devices (10 MW, 10 kWh units) n Identify demonstration sites