logo-home
logo

Explain polarity of a tr - Study guides, Revision notes & Summaries

Looking for the best study guides, study notes and summaries about Explain polarity of a tr? On this page you'll find 1 study documents about Explain polarity of a tr.

All 1 results

Sort by

Apprentice Lineman Transformer Theory Questions and Answers

  • Apprentice Lineman Transformer Theory Questions and Answers

  • Exam (elaborations) • 3 pages • 2024
  • Apprentice Lineman Transformer Theory Why is a Closed Wye - Closed Delta primary neutral floated? - Answer- To prevent the backfeed of full primary voltage if a line cutout is blown. Why is a 4th cutout installed on the primary neutral of a closed Wye -closed Delta Bank? - Answer- To prevent Ferroresonance while switching. On an open transformer bank, what KVA capacity is the bank rated for? - Answer- 86.6% of nameplate ratings. Expain the term "Backfeed" - Answer- Feeding the prim...
    (0)
  • £7.66
  • + learn more