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Coordinated Universal Time is expressed using a 24-hour clock,
and uses the Gregorian calendar. It is used for aeroplane and
ship navigation, where it is also sometimes known by the
military name, "Zulu time." "Zulu" in the phonetic alphabet
stands for "Z", which stands for longitude zero.
UV
Undervoltage
WEI
Weak end infeed logic
VT
Voltage transformer
3I
O
Three times zero-sequence current. Often referred to as the
residual or the ground-fault current
3V
O
Three times the zero sequence voltage. Often referred to as the
residual voltage or the neutral point voltage
Section 17
1MRK 511 286-UUS A
Glossary
362
Application manual
Содержание REC650 ANSI
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