answer number 2.write your solution pls. them so that they correspond to properly labeled minus (-) andsimultaneously to yield the three currents.eas-tilled tubes, are unilateral, wherea resistors, induetors, anda done for d-e eircuits. However, when there are two or moreurrent and voltage equations are set up in essentially the same wayeinclade silicon, selenium, and copper-oxide unita as well as vacuume of it will be necessary to take the added preeaution tos14)aymbols on the eireuit diagrams; this is essential for the pur-near.305All types of reetifiers, andand iron-coretors,eed-Thisas inlars,rebraich(+)(+)the(-)(-)prop-aWs,ages,mple,ed tosteadstate-5, andLition,artheroe impedancesa pair of line impedances. Note particularly the polaritythroughaeines on the generators since they relate to the angles attached tonolar form of the voltages. Specifically E/a refers to a voltage riseh the generator from a to b, i.e., from minus to plus; also E/8s to a voltage rise through the generator from e to d, i.e., fromnus to plus. If, for example, E1/aetangular form will be (86.6 + j50) volts. Conversely,-(E/a) repre-ts & voltage through the generator from b to a, i.e., from plus to minus.that-(100/30°) volts is, in the rectangular form, (-86.6-j50) volta.Belerring to Fig. 15-1, assume that it is desired to determine the phasorrents I1, I, and I, the indicated arrow directions of which are cbosenanly. Since IL is the geometric sum of I, and I, two voltage equa-e may be written as follows:100/30° volts, its correspondingoff toced asa of ance volt-sentedilateralis pro-not foructors,as-filledE/a- I,Z1- ILZ 0E/B- (IL-1)Z, - IZ=0lved Problems1. Referring to Fig. 15-1, set up a voltage equation for the cireuit abcdefa.A The following informstion is given in connection with Fig. 15-1: E1E = 100/53.1°, Z, = Z, = 20/0°, Z,I1, and I.8. Solve Prob. 2 assuming that E,A Referring to Fig. 15-1, the following data are given for the two voltages and the100/0°,20/-90°. Calculate the values of IL,E, – 130/0°.

When two generators with different characteristics are connected to a common bus which feed a common…

Problems 1. Referring to Fig. 15-1, set up a voltage equation for the cirenit abcdefa. A. The following information is given in connection with Fig. 15-1: E = E, = 100/53.1°, Z1 = Z2 = 20/0°, Z, I, and I. 8. Solve Prob. 2 assuming that E = E - 100/0°. K Referring to Fig. 15-1, the following data are given for the two voltages and the 100/0°, 20/-90°. Calculate the values of IL, %3! %3D

Problems 1. Referring to Fig. 15-1, set up a voltage equation for the cirenit abcdefa. A. The following information is given in connection with Fig. 15-1: E = E, = 100/53.1°, Z1 = Z2 = 20/0°, Z, I, and I. 8. Solve Prob. 2 assuming that E = E - 100/0°. K Referring to Fig. 15-1, the following data are given for the two voltages and the 100/0°, 20/-90°. Calculate the values of IL, %3! %3D

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.9MCQ: Match the following: (i) Hysteresis loss (a) Can be redud by constructing the core with laminated...

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