Working groups area Active Working Groups August 2006: CSAG D1  Strategic and Customer Related Advisory Group AG D1.01  Insulating Lquids AG D1.02  High Voltage Testing and Diagnostic AG D1.03  Insulating Gases AG D1.04  Insulating Solids AG D1.05  Capacitors AG D1.06  Emerging Technologies WG D1.01  Liquid Impreganted Systems for Transformers WG D1.07   Solid Insulating Materials for Rotating Machines WG D1.14  Material Properties for Nonceramic Outdoor Insulation WG D1.15   HTSC-Material Applications & Cooling WG D1.17  HV Asset Condition Assessment Tools, Data Quality and Expert Systems WG D1.18  Emerging Technologies in Power Systems WG D1.19  Solid Insulation Endurance under Repetitive Transient Voltages WG D1.20  Water Tree Detection in XLPE insulation WG D1.24  Potential of Polymer Nanocomposites as Electrical Insulation for Highly Stressed Insulation Material in AC and DC Application WG D1.23  Diagnostics and Accelerated Life Endurance Testing of Polymeric Materials for HVDC Application WG D1.25  Application Guide for PD Detection in GIS using UHF or Acoustic Methods WG D1.26  Basic Principles to Determinate Methane Content of Cross-linked Solid Insulation of MV and HV Cables WG D1.33  High Voltage Test and Measuring Techniques