Preliminary Studies of the Electric Power Distribution for CLIC CLIC Meeting May 2009 Preliminary Studies of the Electric Power Distribution for CLIC Cezary JACH (EN/EL) 1. TS Workshop, Archamps 2004
Technical Studies for the Electric Power Distribution for CLIC CLIC Meeting May 2009 Technical Studies for the Electric Power Distribution for CLIC Power balance Layout Variants of the power distribution system Next steps 1. TS Workshop, Archamps 2004 2
3 TeV Power Requirements System 0.5 TeV Power [MW] 3 TeV Power [MW] Main Beam Magnets 11.1 25.8 Main Beam Injector RF 15.3 Drive Beam Magnets 14.1 46.7 Drive Beam Linac RF 61.0 263.3 Others 27.4 64.0 Total 129.3 415.1
Total consumption of active power = 415 MW Power Requirements Total consumption of active power = 415 MW Assuming an average power factor of 0.85, the apparent power will be approximately 500 MVA 80% (400 MVA) of the load located near central complex (CERN Prevessin, new substation) 20% (100 MVA) of the load located outside central complex (remote substations) 1. TS Workshop, Archamps 2004
Drive Beam Generation Complex Main Beam Generation Complex Layout (1) e+ injector, 2.4 GeV e- injector 2.4 GeV CLIC overall layout 3 TeV 48 km drive beam accelerator 2.37 GeV, 1.0 GHz 1 km Drive Beam Generation Complex Main Beam Generation Complex 1. TS Workshop, Archamps 2004 5
Layout (2) M S R S R S R S R S R S R S R S R S R S R S 4.9 km 8.7 km 4.9 km 48 km MS = Master Substation RS = Remote Substation 1. TS Workshop, Archamps 2004 6
CERN, existing installations 18 kV loop Variant 1 – 400/18 kV Main Substation, 18 kV Remote Substations, 18 kV Distribution – 18 kV Utility Voltage 400 kV RTE European Network 400 kV station Bois Tollot CLIC 400 kV 6x 400/18 kV, 100 MVA CERN, existing installations 18 kV loop New installations for CLIC 1. TS Workshop, Archamps 2004 7
CERN, existing installations 66 kV loop Variant 1a – 400/66/18 kV Main Substation, 66/18 kV Remote Substations, 66 kV distribution, 18 kV Utility Voltage 400 kV RTE European Network 400 kV station Bois Tollot CLIC 400 kV 5x400/18 kV, 100 MVA 2x400/66 kV, 100 MVA 10x66/18 kV, 20 MVA CERN, existing installations 66 kV loop New installations for CLIC 1. TS Workshop, Archamps 2004 8
CERN, existing installations Variant 2 – 400/66/18 kV Main Substation, 66/18 kV Remote Substations, 66 kV Distribution, 18 kV Utility Voltage 400 kV RTE European Network 400 kV station Bois Tollot CLIC 400 kV 6x400/66 kV, 100 MVA 5x66/18 kV, 100 MVA 10x66/18 kV, 20 MVA 66 kV CERN, existing installations 66 kV loop New installations for CLIC 1. TS Workshop, Archamps 2004 9
CERN, existing installations Variant 2a – 400/66/18 kV Main Substation, 66/18 kV Remote Substations, 18 kV Distribution, 18 kV Utility Voltage 400 kV RTE European Network 400 kV station Bois Tollot CLIC 400 kV 6x400/66 kV, 100 MVA 5x66/18 kV, 100 MVA 2x66/18 kV, 100 MVA 66 kV CERN, existing installations 66 kV New installations for CLIC 18 kV loops 1. TS Workshop, Archamps 2004 10
CERN, existing installations 36 kV loop Variant 3 – 400/36 kV Main Substation, 36 kV Remote Substations, 36 kV Distribution, 36 kV Utility Voltage 400 kV RTE European Network 400 kV station Bois Tollot CLIC 400 kV 6x400/36 kV, 100 MVA CERN, existing installations 36 kV loop New installations for CLIC 1. TS Workshop, Archamps 2004 11
Summary (Substations) Var. Voltages Substation Transformers 1 400 kV/18 kV 6 x 400/18 kV, 100 MVA 1a 400 kV/66 kV /18 kV 2 x 400/66 kV, 100 MVA 10 x 66/18 kV, 20 MVA 2 400 kV/66 kV/18 kV 6 x 400/66 kV, 100 MVA 5x 66/18 kV, 100 MVA 10 x 66/18 kV, 20 MVA 2a 5 x 66/18 kV, 100 MVA 2 x 66/18 kV, 100 MVA 3 400 kV 36 kV 6x 400/36 kV, 100 MVA 1. TS Workshop, Archamps 2004 12
CLIC 400 kV / 36 kV Main Substation 400 kV Grid, Scc = 13 000 MVA 100 MVA 400 kV/36 kV Remote loads Remote loads Local loads Local loads
CLIC 36 kV Remote Substation (Shaft Area) Machine Network Service Network 36 kV Busbar x V 400 V 400 V x V Surface Underground (Alcove) 400 V 400 V (Alcove) Tunnel
CLIC 36 kV Double Loop (End Section) Machine Network Service Network
Connection to 400 kV Grid via new transmission line? Major Cost Drivers Power requirements Connection to 400 kV Grid via new transmission line? Centrally located main substation (distribution voltages, number of transformers, switchgear, protection, monitoring, etc.) Remote substations (transformers, switchgear and 400 V panel-boards) Cables in the tunnel (?) using loop configuration Transformers (?), panel-boards in tunnel Emergency generators, cabling, transformers, etc. associated with safety system 1. TS Workshop, Archamps 2004 16
Preliminary design (chronologically) What’s Next? Preliminary design (chronologically) Loads (voltage, apparent power, power factor, harmonics, locations, etc.) Network topology (choice of variants, machine and service networks, redundancy, safety networks, underground facilities, etc.) Main substation preliminary design Remote substations preliminary design System simulations Cost estimate 1. TS Workshop, Archamps 2004 17
Preliminary Design Report Cost Estimate What’s Next? June 2010 Preliminary Design Report Cost Estimate Available Resources - discussion 1. TS Workshop, Archamps 2004 18