Case studies: Electric Power Network and Road Network in Italy

Transcription

1 Systemc Sesmc Vulnerablty and Rsk Analyss for Buldngs, Lfelne Networks and Infrastructures Safety Gan Case studes: Electrc Power Network and Road Network n Italy Francesco Cavaler, UROMA SYNER-G Fnal Workshop, Mlano, March

2 Applcaton to an Electrc Power Network n Italy Chosen regon Scly Data source: ENEL (former Italan State Electrcty Board) Collected data: Electrc power network topology and propertes Muncpalty data (locatons, nhabtants, etc) from ISTAT Intended study Capactve study SYNER-G Fnal Workshop, Mlano, March

3 Applcaton to an Electrc Power Network n Italy 181 nodes (1 balance node, 5 supply nodes, 175 demand nodes) 390 muncpaltes fed Map of muncpaltes, balance node, supply nodes and demand nodes SYNER-G Fnal Workshop, Mlano, March

4 Applcaton to an Electrc Power Network n Italy 199 overhead transmsson lnes (26 HV, 160 MV, 13 LV) 21 lnes wth transformer Map of HV (220 kv), MV (150 kv) and LV (60 kv) networks SYNER-G Fnal Workshop, Mlano, March

5 Applcaton to an Electrc Power Network n Italy Object-Orented Paradgm (OOP): Class Dagram SYNER-G Fnal Workshop, Mlano, March

6 P [ DS > ds PGA ] P [ DS > ds PGA ] P [ DS > ds PGA ] Applcaton to an Electrc Power Network n Italy Identfcaton of vulnerable components Overhead lnes are consdered not vulnerable, based on ENEL data The only vulnerable components are chosen to be the mcro-components n substatons 1) 2) 3) 4) 5) 6) 7) 8) + - 9) 10) 11) 1) Col support 2) Crcut breaker 3) Current transformer 4) Voltage transformer 5) Horzontal sectonalsng swtch 6) Vertcal sectonalsng swtch 7) Dscharger 8) Bar support 9) Autotransformer 10) Box 11) Power supply to protecton system Mcrocomponents Horzontal sectonalzng swtch Vertcal sectonalzng swtch Dscharger Bar support Mcrocomponents Autotransformer Box Power supply Mcrocomponents Col support Crcut breaker 0.1 Current transformer Voltage transformer PGA (m/s 2 ) PGA (m/s 2 ) PGA (m/s 2 ) SYNER-G Fnal Workshop, Mlano, March

7 Applcaton to an Electrc Power Network n Italy The nternal logc of substatons s modelled, wth reference to two typologes Layout of a typcal dstrbuton substaton Layout of a typcal transformaton/dstrbuton substaton Bus Bus 1 Bus 2 Lne wthout transformer Bars Lne wthout transformer Autotransformer lne Bars Bars-connectng lne Low voltage sde Bars-connectng lne Hgh voltage sde SYNER-G Fnal Workshop, Mlano, March

8 Applcaton to an Electrc Power Network n Italy Every sesmcally nduced damage to components s consdered as a short crcut, that eventually spreads wthn substatons and between substatons The only protecton aganst cascadng falures s the acton of the crcut breakers, that f unbroken and actve (.e. fed wth power) nstantaneously open and arrest the malfunctonng propagaton Example of short crcut propagaton component broken crcut breaker passve crcut breaker open Bus 1 Bus 2 Bus 1 Bus 2 Autotransformer lne Autotransformer lne Lne wthout transformer Bars Lne wthout transformer Bars short-crcut out Low voltage sde Bars-connectng lne Hgh voltage sde Low voltage sde Bars-connectng lne Hgh voltage sde SYNER-G Fnal Workshop, Mlano, March

9 Applcaton to an Electrc Power Network n Italy CAPACITIVE APPROACH vs CONNECTIVITY APPROACH The analyss s carred out at the capactve level; powers, currents and voltages n the network are computed, both n the undamaged or reference condton and n the damaged one Power Flow Analyss N 0 P V V G cos B sn k k k k k k 1 N 0 Q V V G sn B cos k k k k k k 1 I V y V V y t pq p pq _ p p q pq I V y V V y t qp q pq _ q q p pq S P jq V I * pq pq pq p pq S P jq V I * qp qp qp q qp S P jq S slack slack slack slack, Q gen Im Sgen, Ip p ypq q Iq Ip p ypq/a q Iq t ypq/2 Vp Vq t ypq/2 ypq*(1-a)/a^2 Vp Vq ypq*(a-1)/a SYNER-G Fnal Workshop, Mlano, March

10 Applcaton to an Electrc Power Network n Italy Sesmc envronment DISS database s used, employng the Smple fault model 18 faults are consdered to affect Scly, for ths applcaton SYNER-G Fnal Workshop, Mlano, March

11 Applcaton to an Electrc Power Network n Italy Applcaton results, MCS smulaton (20,000 runs) Connectvty Loss (System level) CL 1 N N s 0 SSI System Servceablty Index (System level) 1,..., N D P 1 R w,0 1,..., N D P,0 100 SYNER-G Fnal Workshop, Mlano, March

12 Applcaton to an Electrc Power Network n Italy Applcaton results, MCS smulaton (20,000 runs) Connectvty Loss (System level) CL 1 N N s 0 SSI System Servceablty Index (System level) 1,..., N D P 1 R w,0 1,..., N D P,0 100 SYNER-G Fnal Workshop, Mlano, March

13 Applcaton to an Electrc Power Network n Italy Applcaton results, MCS smulaton (20,000 runs) Voltage Rato VR (Component level) V, s V,0 SYNER-G Fnal Workshop, Mlano, March

14 Applcaton to a Road Network n Italy Chosen regon Calabra, Southern-Italy Data source: prevous studes for the Italan Mnstry of Health-care Collected data: Road network topology and propertes Muncpalty data (locatons, nhabtants, etc) from ISTAT Health-care facltes (two n great detal, structural system known) Landsldes areas Intended study Connectvty analyss SYNER-G Fnal Workshop, Mlano, March

15 Physcal network Applcaton to a Road Network n Italy Graph for analyss RED man roads n the regon (hghways and state roads) BLACK lower order roads (a subset of muncpal roads) 6058 nodes (un-dr.) edges SYNER-G Fnal Workshop, Mlano, March

16 Health-care facltes n the regonal HCS Applcaton to a Road Network n Italy Influence area of each faclty under normal operatonal condtons Castrovllar Castrovllar Rossano Calabro Rossano Calabro Paola Cosenza Paola Cosenza Crotone Crotone Lameza Terme Catanzaro Lameza Terme Catanzaro Vbo Valenta Vbo Valenta Reggo Calabra Locr Reggo Calabra Locr SYNER-G Fnal Workshop, Mlano, March

17 Applcaton to a Road Network n Italy Data are avalable at the suburb level We are not nterested n such a level of detal Data reducton SYNER-G Fnal Workshop, Mlano, March

18 Applcaton to a Road Network n Italy Data reducton (1) Removal of many TAZ s, correspondng to suburbs havng a very small populaton: number of TAZ s reduced from 2451 to 422 SYNER-G Fnal Workshop, Mlano, March

19 Applcaton to a Road Network n Italy Data reducton (2) Removal of brdges wth length mnor than 35 m, 11 of whch characterzed by detaled fraglty data Removal of nactve landsldes areas Removal of connectors of TAZ s to the road network, not affectng network connectvty Removal of secondary roads not ncluded n mnmum paths connectng TAZ s to man roads Removal of all dead ends SYNER-G Fnal Workshop, Mlano, March

20 Applcaton to a Road Network n Italy Data after reducton 2861 nodes, subdvded nto 422 TAZ s centrods and smple ntersectons 5970 edges, subdvded nto brdge/road segments and man/secondary roads 2089 actve landsldes areas SYNER-G Fnal Workshop, Mlano, March

21 Applcaton to a Road Network n Italy Identfcaton of vulnerable components Road segments are vulnerable to geotechncal hazard (landsldes and co-sesmc rupture) Brdges are vulnerable to ground shakng SYNER-G Fnal Workshop, Mlano, March

22 Applcaton to a Road Network n Italy Object-Orented Paradgm (OOP): Class Dagram SYNER-G Fnal Workshop, Mlano, March

23 Applcaton to an Electrc Power Network n Italy Sesmc envronment DISS database s used, employng the Smple fault model 20 faults are consdered to affect Calabra, for ths applcaton SYNER-G Fnal Workshop, Mlano, March

24 Applcaton to a Road Network n Italy Applcaton results, MCS smulaton (20,000 runs) Smple Connectvty Loss (System level) SCL 1 N N s 0 Weghted Connectvty Loss (System level) s s 0 0 WCL 1 N W N W SYNER-G Fnal Workshop, Mlano, March

25 Applcaton to a Road Network n Italy Applcaton results, MCS smulaton (20,000 runs) Smple Connectvty Loss (System level) SCL 1 N N s 0 Weghted Connectvty Loss (System level) s s 0 0 WCL 1 N W N W SYNER-G Fnal Workshop, Mlano, March

26 Applcaton to a Road Network n Italy Applcaton results, MCS smulaton (20,000 runs) Termnal Relablty (Component level) Probablty that a path exsts between a specfc OD par SYNER-G Fnal Workshop, Mlano, March

27 Applcaton to a Road Network n Italy Mnmum travel tme to hosptals, non-sesmc condtons SYNER-G Fnal Workshop, Mlano, March

28 Applcaton to a Road Network n Italy Increment of mnmum travel tme to hosptals SYNER-G Fnal Workshop, Mlano, March