1. Annual Review Meeting of SC activities October 19, 2008 Winnipeg Study Committee C4 System Technical Performance Danielle McNabb, Hydro-Québec -TransÉnergie

2. 2 C4 System Technical Performance  SC Subject Area: Methods and tools for analysis : Power Quality Performance (AG1) Power Quality Performance (AG1) Electromagnetic Compatibility EMC/EMF Electromagnetic Compatibility EMC/EMF Insulation co-ordination Insulation co-ordination Lightning Lightning Power System Security Assessment (new modeling tools and methods) Power System Security Assessment (new modeling tools and methods)

3. 3 C 4 System Technical Performance  SC Members : 43 members ADAMS, R. (AU)ENGELBRECHT, C. (NL) MALGAROTTI, S. (IT) SEKSO, A. (HR) ACKOSKI, R.GEORGANTZIS, G. (GR) MARTINEZ M. J.C.SHIM EUNG-BO (KR) AL-BASSAM, LGRANT, I. (US)MC NABB, D. (CA)STROEV, V. (RU) AMDUR, D (RO)GRAPE, U. (SE)MOTOYAMA, H. (JP)SEIFI, H. (IR) ARCOS VARGAS, A.HOEFFELMAN, J. (BE) NEUMANN, C. (DE)SLIMANOU, M. (FR) BIANCHI LASTRA, R. (AR) HANZELKA, Z.NUCCI, C.A. (IT) Chair. (2006) UHLEN, K. (NO) BRAUNLICH, R. (CH)Ishii, M. (JP)PACK, S. (AT)UUSITALO, M. (FI) BRONZEADO, H. (BR) KATIC, V.PHANG, W.VELEDAR, M CORREIA de BARROS, M. T. (PT) KOCH, R. (ZA)POURBEIK, P.(US) Secretary VILLA, A. (VE) CRISTESCU, D.(RO)KOCIS, L. (CZ)SABOT, A. (FR)XUE, Y. (CH) EMIN, Z. (UK)MOUSTAFA MAHMOUD, H. (EG) SEHGAL, Y. (IN)

4. 4 C4 System Technical Performance : AG ’s Chairman C. A. Nucci (IT) AG C4.5 Org. & Liaison M.T. Correia de Barros Secr. P. Pourbeik (USA) AG C4.1 Power Quality ____ R. Koch (SA) ________ 5 WGs 3 TFs AG C4.1 Power Quality ____ R. Koch (SA) ________ 5 WGs 3 TFs AG C4.2 EMC/EMF ____ J. Hoeffelman (BE) __________ 4 WGs AG C4.2 EMC/EMF ____ J. Hoeffelman (BE) __________ 4 WGs AG C4.3 Insulation coordination ____ C. Neumann (DE) ____________ 3 WGs AG C4.3 Insulation coordination ____ C. Neumann (DE) ____________ 3 WGs AG C4.4 Lightning ____ M. Ishii (JP) __________ 6 WGs AG C4.4 Lightning ____ M. Ishii (JP) __________ 6 WGs AG C4.6 Power System Security Assessment ____ K. Uhlen (NO) ________ 2 WG 4 TF AG C4.6 Power System Security Assessment ____ K. Uhlen (NO) ________ 2 WG 4 TF

5. 5 C4 System Technical Performance  Organisation and General concerns Strategic plan updated Strategic plan updated Added flexibility needed – Restructuring AGs (Number and Nature of AGs may change) Added flexibility needed – Restructuring AGs (Number and Nature of AGs may change) Moving to a Web-based process Moving to a Web-based process Need to implement means to keep contact with experts after WGs have been disbanded Need to implement means to keep contact with experts after WGs have been disbanded Need to renew WGs memberships (Renewed workforce in the industry) Need to renew WGs memberships (Renewed workforce in the industry)

6. 6 AG C4.1 Power Quality 105 Benchmarking PQ Perform. Trans. syst.. (M. McGranaghan) JWG C4.103 Emission Limits for Disturbing Installations (G. Beaulieu) JWG C4.103 Emission Limits for Disturbing Installations (G. Beaulieu) TF C4.102 Voltage Dip Simulation Tools (J. Martinez) TF C4.102 Voltage Dip Simulation Tools (J. Martinez) 2007 2007 107 Economic Framework (J.L. Gutierrez Iglesias) 106 Instrument Test Protocols (E. Gunther) 108 Review of Flicker Objectives (M. Halpin) 110 Equipment Dip Immunity (M. Bollen) Work to start in 2009 109 Emission Assessment Meth. (E. De Jaeger) 2008 2009 2008 2009 2009 2009 2009 - Temporary Over-voltages - Power Quality improvement programs - System PQ performance measurement and assessment - Temporary Over-voltages - Power Quality improvement programs - System PQ performance measurement and assessment

7. 7 Deliverables: JWG C4.106 : No WG meeting held– No recent progress - Meanwhile - IEC TC85 PQ Instrument Product Standard and protocols to be issued - Proposal to disband JWG C4.105: “Guidelines for benchmarking technical performances in transmission systems” Daft document Dec 2008 JWG C4.107:“Economic Framework for PQ” CIRED Paper (May 2007) Expected completion date - Dec 2009. TF C4.108: CIGRE report “Review of flicker objectives in EHV/HV/MV&LV systems” 1 st draft completed, meeting held with C4.109 CIRED paper 2009 JTF C4.109: CIGRE report “ Emission Assessment Techniques for Harmonics, Flicker, and Unbalance” Drafts Version of Harmonics and Flicker, Unbalance to be Developed, CIRED paper 2009 WG C4.110: CIGRE report “Dip immunity of equipment in Installations” 7 conference publications, Expected completion date Jan. 2009 AG C4.1 - Power Quality

8. 8 AG C4.2 EMC/EMF WG C4.201 EMC in HV substations and generating stations WG C4.201 EMC in HV substations and generating stations JWG C4.202 EMC with communication circuits, LV systems and metallic structures (L.E. Juhlin) JWG C4.202 EMC with communication circuits, LV systems and metallic structures (L.E. Juhlin) TF C4.203 ELF field measurement techniques (F. Deschamps) TF C4.203 ELF field measurement techniques (F. Deschamps) TF C4.204 Magnetic Field Mitigation Techniques E. Salinas TF C4.204 Magnetic Field Mitigation Techniques E. Salinas 2008 2008 2009 2009 WG C4.206: Protection of the High Voltage Power Network Control electronics against intentional Electromagnetic interference WG C4.209: Assessment of Contact current related to ELF electric field exposure WG C4.206: Protection of the High Voltage Power Network Control electronics against intentional Electromagnetic interference WG C4.209: Assessment of Contact current related to ELF electric field exposure Work to start in 2009

9. 9 Deliverables : WG C4.201 :New Convenor appointed Mr Siew (UK) Update Guide TB 124 – New T.o.R. to be approved WG C4.202 : Guide for “Measurement of Radio frequency Interference from HV and MV substations” approved and ready for publication (2008) Guide for “Assessment of Transferred EPR on telecommunication Systems due to fault in a.c. power systems –New Convener and T.o.R WG C4.203 : Guide for “Measurement of low frequency electric and magnetic fields near overhead power lines” Final draft ready WG C4.204 : Guide for “Mitigating Techniques of Power Frequency magnetic Fields originating from Electric Power Systems” Final draft ready TF C4.205 : Published as TB 320 in APRIL 2007. TF disbanded AG C4.2 - EMC

10. 10 AG C4.3 Insulation Coordination WG C4.301 Procedures for station and OHL insulation coordination (A. Xémard) WG C4.301 Procedures for station and OHL insulation coordination (A. Xémard) WG C4.302 Insulation Coordination related to internal insulation SF6 & N2/SF6 GIS (G. Muhr) WG C4.302 Insulation Coordination related to internal insulation SF6 & N2/SF6 GIS (G. Muhr) WG C4.303 Pollution and Environmental Influences on Electrical Performance of systems (C. Engelbretch) WG C4.303 Pollution and Environmental Influences on Electrical Performance of systems (C. Engelbretch) 2009 2007 JWG A2-C4.39 Electrical Transient Interaction between Transformers and the Power System ( A. da Costa oliveira Rocha ) JWG A2-C4.39 Electrical Transient Interaction between Transformers and the Power System ( A. da Costa oliveira Rocha ) Work to start in 2009

11. 11 Deliverables : WG C4.301 : Application guide for line arresters, Final version at the end of 2008 Study of resonance and ferro-resonance. Draft under preparation. To be transferred to new WG WG C4.302 : Paper to be published in 2008: Insulation coordination in SF 6 and N 2 /SF 6 WG C4.303 : Brochure “Outdoor Insulation in Polluted Conditions : Guidelines for selection and dimensioning- Part 1 General Principles and AC case“ Just published and can be downloaded from CIGRE website Brochure part 2: DC case - Paper in progress AG C4.3 - Insulation Coordination

12. 12 AG C4.4 Lightning WG C4.401 Lightning (C.A. Nucci) WG C4.401 Lightning (C.A. Nucci) JWG C4.402/Cired 05 Protection of MV and LV networks against lightning (F. Rachidi) JWG C4.402/Cired 05 Protection of MV and LV networks against lightning (F. Rachidi) WG C4.404 Lightning Location System Data for Engineering Applications (G. Diendorfer& H. Torres) WG C4.404 Lightning Location System Data for Engineering Applications (G. Diendorfer& H. Torres) WG C4.407 Lightning Parameters for Engineering Applications (V.A. Rakov) WG C4.407 Lightning Parameters for Engineering Applications (V.A. Rakov) TF C4.405 Lightning interception (V. Cooray & T. Shindo) TF C4.405 Lightning interception (V. Cooray & T. Shindo) TF C4.406 Performance of grounding electrodes for lightning currents (S. Visacro) TF C4.406 Performance of grounding electrodes for lightning currents (S. Visacro) 2008 2007

13. 13 Deliverables : WG C4.401: Draft of “Lightning-Induced Voltages on Overhead Power Lines – Part IV “Application of theory to distributed lines” almost complete (was prepared by disbanded TF C4.403 WG C4.402: Protection of MV and LV networks against Lightning – Draft of Part 2almost complete. WG C4.404: Report: Cloud-to-Ground Lightning Parameters Derived from Detection Systems – The effects of System Performance”. Final draft to be approved WG C4.405: Lightning Interception – Survey on literature - Report under preparation, Document on ESE devices Report under preparation WG C4.406: Electra paper on “ Performance of Transmission Lines Grounding Electrodes for Lightning Currents” draft waiting for approval WG C4.407 Lightning Parameters for Engineering Applications – Kick off meeting in June 2008 Next meeting in Brazil Nov. 2008 AG C4.4 - Lightning

14. 14 AG C4.6 New name : Power systems dynamic performance models and analysis WG C4.601 Power System Security Assessment (P. Pourbiek) __________ Unformal TF’s : WG C4.601 Power System Security Assessment (P. Pourbiek) __________ Unformal TF’s : Modeling and Performance of Wind Generation (P. Pourbeik) Modeling and Performance of Wind Generation (P. Pourbeik) On-line Power System Security Assessment tools and techniques (K. Morrison) On-line Power System Security Assessment tools and techniques (K. Morrison) Review of Potential Tools and Techniques for Risk based and Probabilistic Planning in Power Systems (P. Pourbeik) Review of Potential Tools and Techniques for Risk based and Probabilistic Planning in Power Systems (P. Pourbeik) 2004-8 Wide-area Monitoring and Control (C. Rehtanz) Wide-area Monitoring and Control (C. Rehtanz) WG C4.603 Analytical Techniques and Tools for Power Balancing Assessments (K. Ulhen) WG C4.603 Analytical Techniques and Tools for Power Balancing Assessments (K. Ulhen) 2009

15. 15 Deliverables : Technical Brochures in the last 2 years: “Modeling and Dynamic Performance of Wind Generation as it Relates to Bulk Power System Control and Dynamic Performance”, by WG C4.601. “Wide-Area Monitoring and Control for Transmission Capability Enhancement”, by WG C4.601. “On-Line Power system Security Assessment Tools and Techniques: Application of Intelligent Technologies”, by WG C4.601. "Coordinated Voltage Control in Transmission Networks", by TF C4.602. AG C4.6 Power System Security Assess nt.

16. 16 SC C4 System Technical Performance Preferential Broad Subjects 2010 Preferential Broad Subjects 2010   EMC/EMF and Power Quality for future networks – compatibility requirements, assessment techniques/tools and technical performance improvement programs;   Advances in Insulation coordination and Lightning knowledge for improved performance of EHV-UHV power systems;   Advanced techniques and Tools for Power balancing assessments and Risk-based security assessment Next SC4 meetings: Next SC4 meetings: Second week of June 2009 in Japan in conjunction with Japanese Colloquium, Second week of June 2009 in Japan in conjunction with Japanese Colloquium, Sept. 2010 in Paris. Sept. 2010 in Paris. Prospective for 2011 SC4 meeting - Recife Brazil Prospective for 2011 SC4 meeting - Recife Brazil ______ ______