What is the phase sequence of a three-phase motor for which VAN =220 /-100° V and VeN =220 140°V ? Q1. a) abc \00 b. acb VAN Q2. If in an acb phase sequence, VAN =100 /-20° ,then VCN is : VeN a, Van =100 /-140° b. VAN =100 /100° c. VAN =100 /-50° %3D -120 220 十 d. VAN =100 /10° Q3. Which of these is not a required condition for a balanced system: a. VAN =|VeN=|VCN| b. TAN + Ian + IN = 0 c. VantVBn+VCN=0_ d. Source voltages are 120° out of phase with each other. Load impedances for the three phase are equal. v
What is the phase sequence of a three-phase motor for which VAN =220 /-100° V and VeN =220 140°V ? Q1. a) abc \00 b. acb VAN Q2. If in an acb phase sequence, VAN =100 /-20° ,then VCN is : VeN a, Van =100 /-140° b. VAN =100 /100° c. VAN =100 /-50° %3D -120 220 十 d. VAN =100 /10° Q3. Which of these is not a required condition for a balanced system: a. VAN =|VeN=|VCN| b. TAN + Ian + IN = 0 c. VantVBn+VCN=0_ d. Source voltages are 120° out of phase with each other. Load impedances for the three phase are equal. v
Chapter39: Synchronous Motor Operation
Section: Chapter Questions
Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...
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