Proceedings Forty-Seventh Research Session Held at Hubli-Dharwar, Karnataka on 20-24 November, 1978. Volume VI--Power: Technical Papers on Transmission, and Substations

摘要

;Contents: Study of impact of a 500 MW generating unit tripout on U.P. system; Radio interference measurements on high voltage lines; Experience with 34 tower tests at the tower testing station of Central Power Research Institute, Bangalore; Aeolian vibration problem in overhead transmission lines--development of specifications (ISS); Vibration bending amplitude and strain in transmission lines; Successful and practical achievements in overcoming pollution difficulties of insulators; Pollution performance of composite insulators; Modern hot line maintenance techniques; System model of thermal behavior of transformer; A dielectric loss and insulation power factor test set; Automatic dielectric strength detector device for transformer oil; Prototype aseismic tests on minimum oil circuit breaker type: HLR 245/250-B; Selection of the number and location of lightning arresters for multi-circuit substations: II; Utility of HVDC testing in preventing maintenance of EHV lightning arresters; Effect of soil ionization on resistance of concentrated grounds; To evolve an effective earth mat--design for EHT substation grounding; and Revision and standardization of earthing practices.