sc b2 2010 presentation - cigre-canada.org kieloch.pdf · cigre-canada conference october 17-19,...
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CIGRE-Canada ConferenceOctober 17-19, 2010
Vancouver, BC
SC B2 “Overhead Lines”2010 Activity Report
Zibby Kieloch (Manitoba Hydro)
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SC B2 Overhead Lines
1. Field Of Activities
• Design, construction and operation of overhead lines including the mechanical and electrical aspects and components (conductors, ground wires, insulators, accessories, structures and their foundations).
• Validation tests, studies of in service performance, assessment of the state of line components and elements.
• Maintenance, refurbishment, upgrading, and uprating of overhead lines.
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SC B2 Overhead Lines
2. Study Committee Structure
Secretary
Strategic AG
Customer AGPublications AG
Electrical Performance AG B2.04
Towers & Foundations AG B2.05
Asset Management, Reliability and
Availability AG B2.07
SC B2 Convenor
Conductors & Fittings AG B2.06
Working Groups:36, 38, 41, 42, 43
Working Groups:21, 23, 24
Working Groups:25, 30, 31, 32, 33
Working Groups:22, 27, 28, 34, 39, 40, 44,
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Normand Bell (ret.)
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SC B2 Overhead Lines
2. Study Committee Structure
• Presently: 22 Working Groups
• Approximately 200 technical experts
• 35 experts from Canada
• One of the most active and the most productive Working Groups in CIGRE.
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SC B2 Overhead Lines
3. Technical Groups
Electrical Performance
• WG B2.36 “Guide for application of direct real time monitoring systems on overhead transmission lines”Completion date: December 2010
• WG B2.38 “Evaluation of high surge impedance load solutions for increased natural capacity for OHL”Completion date: December 2010
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SC B2 Overhead Lines
3. Technical Groups
Electrical Performance
• WG B2.41 “Guide to the conversion of existing AC lines to DC operation”Newly created - completion date: December 2013
• WG B2.42 “Guide to operation of conventional conductor systems above 100oC”Newly created - completion date: December 2012
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SC B2 Overhead Lines
3. Technical Groups
Electrical Performance
• WG B2.43 “Guide for thermal rating calculations for overhead lines with high temperatures and real-time weather & load data”Newly created - completion date: December 2012
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SC B2 Overhead Lines
3. Technical Groups
Electrical Performance
• Future Work Items:• Compact line/voltage upgrade• Shield wire selection & fault current analysis• Designing for safety – earthing of structures & field
reduction
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SC B2 Overhead Lines
3. Technical Groups
Towers, Foundations and Insulators
• WG B2.21 “Arc protection and diagnosis for composite string insulators”Completion date: December 2010
• WG B2.23 “Geotechnical and structural design of the foundations of HV & UHV lines ”Completion date: December 2011
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SC B2 Overhead Lines
3. Technical Groups
Towers, Foundations and Insulators
• WG B2.24 “Qualification of HV and UHV OHL supports under static and dynamic loads”Newly created - completion date: December 2012
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SC B2 Overhead Lines
3. Technical Groups
Towers, Foundations and Insulators
• Future Work Items:• Tower painting systems for transmission line towers• Reliability & availability of OHL versus cost of the
OHL supports• Performance of poles• Performance of composite insulators on overhead lines
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SC B2 Overhead Lines
3. Technical Groups
Conductors and Fittings
• WG B2.25 “Preparatory studies on specifications for revision of IEC testing of self damping and conductor fatigue characteristics (new IEC Spec.), for high temperature fittings (IEC 61284), for tests on spacers (IEC 61854) and on dampers (IEC 61897)”Completion date: December 2011
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Conductors and Fittings
• WG B2.30 “Engineering guidelines relating to fatigue endurance capability of conductor/clamp systems”Completion date: December 2010
• WG B2.31 “Modeling of aeolian vibration of single conductors”Completion date: December 2010
SC B2 Overhead Lines
3. Technical Groups
Louis Cloutier (Sherbrooke University)
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SC B2 Overhead Lines
3. Technical Groups
Conductors and Fittings
• WG B2.32 “Assessing the performance of aged fittings: testing, acceptance criteria & recommendations for HV & UHV lines”Completion date: December 2010
• WG B2.33 “Guidelines for cable cart/trolley (cycling) safety on old conductors (earthwires) equipped with aircraft warning markers (and other fittings)”Completion date: December 2010
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SC B2 Overhead Lines
3. Technical Groups
Conductors and Fittings
• Future Work Items:• Wind induced motion on bundled conductors
(excluding ice galloping)• Remedial actions for aged fittings & repair of
conductors• Experience with the mechanical performance of
`novel’ conductors• Safe design tensions for conductors fitted with
elastomer cushioned suspension units• Guidelines for the handling and installation of fittings
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Asset Management, Reliability and Availability
• WG B2.22 “Mechanical Security of OHL with effective failure containment measures: design loading cases and strategies for effective anti-cascading supports Completion date: December 2011
• JWG B2/B3.27 “Live-Line Maintenance - A Management Perspective”Completion date: December 2010
SC B2 Overhead Lines
3. Technical Groups
Ghyslaine McClure (McGill Univ.)
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Asset Management, Reliability and Availability
• WG B2.28 “Meteorological data for assessing climatic loads. Update of IEC TR 61774Newly created - completion date: December 2012
• WG B2.29 “Anti- and de-icing systems for HV and UHV overhead lines”Completion date: December 2011
SC B2 Overhead Lines
3. Technical Groups
Massoud Farzaneh (Universite du Quebec a Chicoutimi)
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SC B2 Overhead Lines
3. Technical Groups
Asset Management, Reliability and Availability
• WG B2.34 “The impact of line configurations on electric and magnetic fields, radio interference and audible noise for 800 and 1000 kV OHL”Completion date: December 2011
• WG B2.39 “Validation of design guidelines implemented for High Intensity Winds (HIW)”Completion date: December 2011
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SC B2 Overhead Lines
3. Technical Groups
Asset Management, Reliability and Availability
• WG B2.40 “Calculations of the electrical distances between live parts and obstacles for OHL: Preparatory studies for revision of IEC standards (IEC 61865, IEC 60826, EN 50341)”Completion date: December 2011
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Asset Management, Reliability and Availability
• WG B2.44 “Coatings for protecting overhead power network equipment in winter conditions”Newly created - Completion date: December 2014
• WG B2.45 “Bushfire characteristics and the potential impacts on overhead line performance”Newly created - Completion date: December 2014
SC B2 Overhead Lines
3. Technical Groups
Massoud Farzaneh (Universite du Quebec a Chicoutimi)
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SC B2 Overhead Lines
3. Technical Groups
Asset Management, Reliability and Availability
• Future Work Items:• Implementation of RBD methods for overhead lines• Management guidelines for outsourcing overhead
transmission line technical competence• Integration of mechanical security indicators in global
grid reliability
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4. Meetings and Events
• June 3-4, 2009 Sarajevo, Bosnia and Herzegovina “Power Frequency Electromagnetic Fields - ELF/EMF”International Colloquium (in cooperation with CIGRE SC’s B1, B2, B3, B4, C3 & C4)
• October 19-22, 2009Seoul, South KoreaSC B2 Annual Meeting
• October 23, 2009Gyeongju, South Korea765 kV Technology Colloquium
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5. Publications in Year 2010
• Electra 247 & TB 399“Improvement on the tower testing methodology”
• Electra 249 & TB 410 “Local wind speed-up on overhead lines for specific terrain features”
• Electra 250 & TB 416“Innovative Solutions for Overhead Line Supports”
• Electra 251 & TB 425“Increasing Capacity of Overhead Transmission Lines- Needs and Solutions”
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SC B2 Overhead Lines
5. Publications in Year 2010
• Electra 251 & TB 426“Guide for qualifying high temperature conductors for use on overhead transmission lines”
• Electra 251 “Investigation of different liquid solutions for dyepenetration tests used in standard IEC 62217 for design and routine testing”
• Electra 252 & TB 428 – October 2010“Effect of fabrication & erection tolerance on strenght of lattice tower”
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SC B2 Overhead Lines
5. Publications in Year 2010
• Electra 252 & TB 429 – October 2010“Engineering guidelines to endurance capacity of conductor/clamp system”
• Electra 253 & TB 438 – December 2010“Ice shedding and anti-icing of overhead lines”
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6. Current Issues and Challenges
• Addressing the needs of our customers
• Effective knowledge transfer
• Attracting young engineers