Exciting Force - (AT/cmr.m.a.) Question 4 If a single-phase VT has a voltage error of +0.8% and a phase error of +15 minutes at an output of 20VA upf and a voltage error of -0.1% and a phase error of -3 minutes at 110vA upf what would be the voltage and phase errors at an output of 150 VA upf?

Fig: 1