While considering relaying technological application perspectives, objectives are:
- To discuss differential protection methods for the protection of PSTs
- To discuss various issues and challenges related to the existing solutions
- To see the gaps between the available differential protection methods and protection requirements of the phase shifting transformers
And to find the answers like:
- Why a conventional power transformer differential principal established based on the ampere-turn relation is not fully applicable to PST?
- Do we need to revisit differential protection to fill the gaps?
- What are the design limitations of today transformer protection relay?
- Can a universal protection philosophy be established, which can be applied to conventional and special transformers including PSTs?
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