WG_A1.jpg A1, :

2023
  • WGA1.77 Survey on stator insulation reliability of motors, :2- 2023- 2- 2026;
  • WGA1.76 Study on eco-design, circular economy and impacts on generator production process., : 2023- 2025;
  • WGA1.75 Large air-cooled turbo-generator state of the art, limits and perspectives for small modular reactors, :1- 2023- 4- 2024;
  • WGA1.74 Evaluating quality of large electric motors used in power generation plant, :1- 2023- 1- 2025;
2020
  • WGA1.71 Survey on damper-winding concepts and its operational experience on hydro generators and motor-generators, : 2020- 2024;
  • WGA1.72 Survey on Generator and Motor multi-turn coils with dedicated turn insulation versus coils without dedicated turn insulation, : 2020- 2023;
  • WGA1.73 Customer Requirements for Qualification of Form Wound Stator Insulation Systems for Hydro Generators, : 2020- 2024;
2019
  • WGA1.68 State of the Art in methods, experience and limits in end winding corona testing for Hydro Generators, : 2019- 2022;
  • WGA1.67 Evaluating Quality Performance of Electric Motor Manufacturing and Repair Facilities, : 2019- 2022;
2018
  • WGA1.64 Guide for Evaluating the Repair-Replacement of Standard Efficiency Motors, : 2018- 2021;
  • WGA1.63 Turbo Generator Stator Winding Bushings and Lead Connections Field Experience, Failures and Design Improvements, : 2018- 2020;
  • WGA1.62 Thrust Bearings for Hydropower - A Survey of Known Problems and Root Causes, : 2018- 2020;
2017
  • WGA1.61 Survey of Partial Discharge Monitoring in Large Motors, : 2017- 2020;
  • WGA1.60 Guide on economic evaluation for refurbishment or replacement decisions on hydro generators, : 2017- 2020;
  • WGA1.59 Survey on Industry Practices and Effects associated with the Cutting Out of Stator Coils in Hydrogenerators, : 2017- 2019;
2016
  • WGA1.58 Selection of Copper Versus Aluminium Rotors for Induction Motors, :/ 2016- 2019;
  • WGA1.57 The Visual Inspection of Stator Windings and Cores of Large Turbo Generators, : 2016- 2017;
  • WGA1.56 Survey on Lap and Wave Windings and their Consequences on Maintenance and Performance, : 2016- 2018;
2015
  • WGA1.55 Survey on Split Core Stators, : 2016- 2018;
  • WGA1.54 Impact of Flexible Operation on Large Motors, : 2015- 2017;
  • WGA1.53 Guide on Design Requirements of Motors for Variable Speed Drive Application, : 2015- 2017;
  • JWGA1/C4.52 Wind generators and frequency-active power control of power systems, : 2015 - 2018 ;
  • WGA1.51 Monitoring, Reliability & Availability of Wind Generators, : 2015 - 2017;
  • WGA1.50 Factory Quality Assurance Testing Requirements for Turbo-generator Components, : 2014 - 2018 .
2014
  • WGA1.49 Magnetic core dimensioning limits in Hydro-Generators, : 2015 - 2016;
  • WGA1.48 Guidance on the Requirements for High Speed Balancing / Overspeed Testing of Turbine Generator Rotors Following Maintenance or Repair, : 2014 - 2016;
  • WGA1.47 Technological Feasibility Studies for Super (IE4) and Ultra (IE5) Premium Efficient Motors, : 2014 - 2017.
  • WGA1.46 Guide on Use of Premium Efficiency IE3 (IEC 60034-30) Motors & Determining Benefits of Green House Gas Emission Reduction, : 2014 - 2016.
  • WGA1.45 Guide for Determining the Health Index of Large Electric Motors, : 2014 - 2016.

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46- CIGRE A1 ( (),21-26 2016 ) ( .. , - 26 2016 .)