1. August 22nd/23rd 2014 WG B3.32 Saving through Optimized Maintenance in Air Insulated Substations 2014 Session – Paris, France

2. 1.WG objectives overview 2.Schedule / Organisation 3.Questionnaire 4.Technical Brochure WG B3.32 - Paris session August 2014 2 Summary

3. 3 B3.32 Objectives Background This WG endeavours to review the concepts of Sustainment, in particular for Air Insulated Substations (AIS), applicability to various types of equipments and in different jurisdictions, methodology of testing to improve the reliability of the substation, Refurbish versus Replacement decisions in AIS substations and optimization of operating and maintenance costs for the Utility or Asset Owners, such as: reduction of man-hours required for various equipment maintenance extension of maintenance intervals for various equipments simplification of maintenance tasks and elimination of some that are redundant or have marginal benefit accelerated capital replacement of maintenance-intensive equipment that requires frequent maintenance for support systems (e.g. airblast breakers supported by compressed air stations, etc.)

4. WG B3.32 - Paris session August 2014 4 Scope Review of operating and maintenance methodologies presently in use in the utility industry, with emphasis on optimizing maintenance expenditures and reliability of the substation. Guidelines for creating uniform and practical Maintenance Standards for various types of substation equipment. Review of commissioning and periodic testing methodology for various types of equipment, applicability and pragmatic time intervals... Guidelines for Refurbish-versus-Replacement decisions based on life- cycle costs analysis. Review of experience from utilities, documenting do’s and don’ts in case studies B3.32 Objectives

5. WG B3.32 - Paris session August 2014 5 Schedule / Organization Next meeting: November 2014 (location to be decided during the meeting) Technical Brochure & Electra Article: Submission: December 2014 Publish: April 2015

6. WG B3.32 - Paris session August 2014 6 Schedule / Organization Regular members: 32 Corresponding members: 16 24 countries involved Members structure:

7. WG B3.32 - Paris session August 2014 7 Questionnaire Online version of the questionnaire: Use of surveymonkey.com : centralized and easy to analysesurveymonkey.com Released on the 06/07/2012 63 questions (roughly 1.5h to complete)

8. WG B3.32 - Paris session August 2014 8 Questionnaire Answers’ distribution: 38 answers from 22 countries

9. WG B3.32 - Paris session August 2014 9 Questionnaire Examples: Question 29 Question 35

10. WG B3.32 - Paris session August 2014 10 Content Technical Brochure Chapters that still need contribution

11. WG B3.32 - Paris session August 2014 11 Review the Technical Brochure Follow us on: http://b3.cigre.org/WG-Area/WG-B3.32-Saving- through-Optimized-Maintenance-of-Air-Insulated- Substations No contribution is too small! Participate to our active discussions today and tomorrow Your help is more than welcome! Thank you very much