Working Groups - B2 Overhead Lines

JWG B2./B3.27 Live line maintenance : a management perspective

JWG C3/B2/B1.13 Environmental issues of high voltage transmission lines for rural and urban areas

WG B2.21 Arc protection and diagnosis for composite string insulators

WG B2.23 Geotechnical and structural design of the foundations of HV & UHV Lines, application to the updating to the refurbishment and upgrading guide

WG B2.24 Qualification of HV and UHV overhead line supports under static and dynamic Loads

WG B2.25 Preparatory studies on specifications for revision of IEC testing of self damping and conductor fatigue characteristics (new IEC Spec.)

WG B2.28 Meteorological data for assessing climatic loads. Update of IEC TR 61774

WG B2.38 Evaluation of high surge impedance Load solutions for increased natural capacity of OHL

WG B2.40 Calculations of the electrical distances between live parts and obstacles for OHL : Preparatory studies for revision of IEC standard (IEC61)

WG B2.41 Guide to the conversion of existing AC lines to DC operation

WG B2.42 Guide to operation of conventional conductor systems above 100°C

WG B2.43 Guide for thermal rating calculations for overhead lines with high temperatures and real-time weather & load data

WG B2.44 Coatings for protecting overhead power network equipment in winter conditions

WG B2.45 Bushfire characteristics and potential impacts on overhead line performance

WG B2.46 Wind induced motion on bundle conductors (excluding ice galloping)

WG B2.47 Remedial actions for aged fittings and repair of conductors

WG B2.48 Experience with the mechanical performance of new conductor types

WG B2.49 Safe design tension for conductors fitted with elastomer cushioned suspension units

WG B2.50 Safe handling of fittings and conductors

WG B2.51 Methods for optimised design of overhead transmission lines

WG B2.52 The use of robotics in assessment and maintenance of OHL

WG B2.53 Management guidelines for outsourcing OHTL technical expertise

WG B2.54 Management of risk associated with severe climatic events and climatie change on OHL

WG B2.55 Conductors for the uprating of existing overhead lines

WG B2.56 Ground potential rise at overhead AC transmission line structures during faults