Online Learning Center
Introduction
Summary
Quiz
Glossary
Online Learning Center
Beckwith Electric Home
Impact of Voltage Transformer Connection and Grounding
on Generator Protection Security and Selectivity
Quiz
VT secondary windings are
grounded for safety reasons
Line-to-ground connected
VT secondary windings allow the use of individual phase power elements
Line-to-line connected VT
secondary windings allow the use of the 59D element
Software derived line-to-line
quantities taken from line-to-ground connected VT secondary windings allow
the use of phase segregated oscillography
Delta connected VT secondary
windings will prevent the ground overvoltage protection (59N) from operating
on VT secondary side ground faults
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