1. In a three-phase system, the line voltage Vca has phase angle of 0° and VeN has phase angle of –30°, the phase sequence of the system is: a. ABC b. ВСА c. CAB d. options a, b, c are correct e. None of these

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1. In a three-phase system, the line voltage VCA has phase angle of 0° and VeN has phase angle of –30°, the
phase sequence of the system is:
а. АВС
с. САВ
d. options a, b, c are correct
e are
b. ВСА
e. None of these
2. In a three-phase system, the line voltage Vnc has phase angle of -60° and Vgy has phase angle of -90°, the
phase sequence of the system is:
а. АВС
b. ВСА
c. CAB
d. options a, b, c are correct
e. None of these
Transcribed Image Text:1. In a three-phase system, the line voltage VCA has phase angle of 0° and VeN has phase angle of –30°, the phase sequence of the system is: а. АВС с. САВ d. options a, b, c are correct e are b. ВСА e. None of these 2. In a three-phase system, the line voltage Vnc has phase angle of -60° and Vgy has phase angle of -90°, the phase sequence of the system is: а. АВС b. ВСА c. CAB d. options a, b, c are correct e. None of these
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