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- Classify substations based on constructional features. For each of these categories
- (i) Mention voltage ranges for which these substations are built,
- (ii) preferred locations for each type and
- (iii) application areas for each type of substations ?
- What are AIS and GIS substations ? Compare them.
- Name different types of insulators available ?
- What is maximum range of voltage for pin type insulator ?
- Why pin type insulator of extra high voltage range is not available ?