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Homework answers / question archive / Can you help me solve my problem set with solutions PS2 1 Use a DECIMAL VALUES forALL questions

Can you help me solve my problem set with solutions

PS2 1

Use a DECIMAL VALUES forALL questions. It is suggested that youlent_rdeffy r answers mly when IntingI,t lo_iti. Your workplace has a synchronous generator However most of the information on its rating has been Lost except that it can run at Moorpm safely. and is a q-pole single phase generator. Using a DC motor, you are able to run the AC generator at 1800 rpm. Knowing the pri nci pleof circuit equivalence, ou decidetomodel an 'st=emto"Ass'me thatthereisrophirheternygeneratedvoltageoftZg4 Ee Doing some tests. you are able to determine the following: L When doing an open circuit test the terminals are open circuited), you are able to determine an rms voltage of 76V in the terminals of your generator a. When doing a short circuit test the terminals are short circuited), you are able to determine an rms current of o.8A in the terminals of your generator. What is the value of the internally generated voltage in the the DC motor model? Answer 1 I Choose._ H cuestion2 Not yet answered Marked our of 1.000 1' Flag question What is the value of the synchronous inductance in the equivalent model? Answer [ 11 Choose._ ••1 Ouestion3 Not yet answered Marked our of P Flag question You then decided to use the synchronous generator to power a prototyped circuit. C uF R 0 What is the equivalent impedance of the inductor = Lt? .i 1 1 ..."Ron4 Not yet answered Marked our of 0,500 I' Flan question What is the equivalent impedance of the capacitor C? il la Ouestion5 Not yet answered Marked our of 0150 17 Flag question Determine the nodal voltage equations at node A. ROTA + b, Vg + Ka = 0 Note DO NOT SIMPLIFY THE NODAL EQUATION (le multiply your equation to get 'whole number answers't UVLe will mad, those wrong otherwise. What is Relarl Answer: II Choose... •,1 cuestion6 Not yet answered Marked out of 0.5. I" Rag question What is Imlarl? Answer) 11 Choose... v I Question) Not yet answered Marked our of vaso 1' Hag question What is Regal? Answer: 1 11 Choose... v I onestion8 Not yet answered Marked our of vaso 1' Flag question What is !Mk'? Answer: 1 11 Choose.. 'I Ouestion9 Not yet answered Marked mato! vaso 1' Flag question What is RelKal Answer[ 11 Ch°°se- 'I Ouestion10 Not yet answered Marked out of sag Flag question What is IrnIKnI? Answer) 11 Ch°°se... H Ouestionli Not yet answered Marked ato! 0,375 I' Flag question Determine the nodal voltage equations at node B. ,—) —)—) n2Kt + tb Va = 0 Note DO NOT SIMPLIFY THE NODAL EQUATION. UVLe will mark those wrong otherwise. What is Retail Answer.) 1[ Ch..... '1 cuesti.12 Na yet answered Marked out of 0,375 Flag question What is Imlay} Answer) [1 Choose-. sl Ouestion 13 Not yet ansd Marked oa awere 0,375 Flag question What is Pelt's} Answer) 11 Choose.. H Question 14 Notyet answered Marked out a Flag Flag question What is Imlb21 Answer:1 11 Choose.. H Question 15 Notver answered Mao, rked out of co I' Flag question What is the phasor node voltage at A? RMS: Answer) 11 Choose._ H Ouestion16 Not yet answered Marked oa a ewe I' Flag question Phase Answer) 11 Choose._ el onestion17 Not yet answered Mao, rked mat o! co I' Flagg uestion What is the phasor node voltage at B? RMS: Answer) 11 Choose._ •01 Ouestion18 Not yet answered Marked oa a ewe I' Flag question Phase Answer) 11 Choose._ el

PS2 2

You are operating a three-phase motor rated at boVA o.gpf lag when operated with 1000 6oHz. This motor must be operated within 96V to lo6V onty. Your workplace also has an existing moV6oHz three-phase generator set which you are tasked to test and verify If It can power the motor you are working with. You found a three-phase connector Labeled to have a rating of 15A per Line that you are considering to use. Before wiring the components and running the generator, you analyzed first the motor and generator respectively. I. When operated with looV. what is the total three phase real power that is expected to be consumed by the motor? Answer with 5 significant digits. Is pointll 1W Quest...12 ngyet answered Narked outoftoo P Flag quesean a. What is the expected total. three phase reactive poweratros be consumed by the motor? Answer with 5 significant diglts. (1 pointll v Quest. 3 eotyetanswered marked out ol o.se 1' Flag quesean You also decided to compute the expected per-phase-impedance values under a cases. assuming that the motor is a wye- and a deita-connected load, expecting that these values may come In handy in the next parts of your analysis. a. What is the real part of the per-phase-impedance of the motor modeling it as a vrye-connected Load? Answer with 5 significant digits. (05 point)1 lOhms eumtion 4 not yet answered Marked ap! o, Y Flag g... q. What is the imaginampart of the per-phase-impedance of the motor modeling it as a Nlq -conr,1 toad? Answer with 5 significant digits. (o.5 pointy 'Ohms oue.on 5 Not ye answered Marked out Y Flag g... 5 What is the real part of the per-phase-impedance of the motor modeling it as a delta-connected load? Answer with 5 significant digits. (o5 point)1 )Ohms oumnon 6 Na yet answered Marked out of 5o Y Flag question . What is the imaginary part of the per-phase-impedance of the motor modeling it as a delta-connected load? Answer with 5 significant digits. 10.5 point)) 1 Ohms Ouestion 7 N' Vet answered Mark. outs .. Y Flag vberurn Assume that the motor is linear enough that the impedances will be the grltedWithadirntn'TitUde'fVtthge.NVr'tredt°r""thernetr WCIt theloadfiinderLrO-kadeIlpIhgPeator abletoIIpinly99V further inspection the generator was also known to present some Impedance Zs-,j3.6 ohms that can be modeled as shown. This means generator (as a whole, see dashed boat Is not an ideal aooV generator Generator: same even when bUtsource that your to drive the will appear across 41) zs 0 0 ZS 1. You than try to predict what will happen when you connect the generator motor. What is the magnitude of the expected Line-to-Line voltage that the motor load? 11.25 points) I 'volts Ti .., Me single phase equivalent circuit Be careful and double ,u know to far are line-lo-line or line-to-neutral. Note also if 1e.to-line or line-to-neutral. Quest. 8 nay. answered marked ..75 P Flag question B. What is the ma. nitude of the expected current that will flow through each Line? (1)5 points) IA Ouestion 9 nay. answered Marked out of 2.00 P Flag g... S hat % of the expected rated real power will be delivered to the motor? Iz points) 1% ouaston10 ...,.answered marked outolo.z, P Flag question so. Is the mA rated connector you found safe to use for your test? (o.z. point) Input lit your answer is YES. input o if your answer is NO 1 cues.. 1.t ...,........ Narked outoloe, V' Flag guesm, 11. Is the expected voltage within the limits indicated? (oa5 point) Input I. if your answer is YES. input o if your answer is NO.' I

PS2 3

You are operating a three-phase motor rated at boVA o.gpf lag when operated with 1000 6oHz. This motor must be operated within 96V to lo6V onty. Your workplace also has an existing moV6oHz three-phase generator set which you are tasked to test and verify If It can power the motor you are working with. You found a three-phase connector Labeled to have a rating of 15A per Line that you are considering to use. Before wiring the components and running the generator, you analyzed first the motor and generator respectively. I. When operated with looV. what is the total three phase real power that is expected to be consumed by the motor? Answer with 5 significant digits. Is pointll 1W Quest...12 ngyet answered Narked outoftoo P Flag quesean a. What is the expected total. three phase reactive poweratros be consumed by the motor? Answer with 5 significant diglts. (1 pointll v Quest. 3 eotyetanswered marked out ol o.se 1' Flag quesean You also decided to compute the expected per-phase-impedance values under a cases. assuming that the motor is a wye- and a deita-connected load, expecting that these values may come In handy in the next parts of your analysis. a. What is the real part of the per-phase-impedance of the motor modeling it as a vrye-connected Load? Answer with 5 significant digits. (05 point)1 lOhms eumtion 4 not yet answered Marked ap! o, Y Flag g... q. What is the imaginampart of the per-phase-impedance of the motor modeling it as a Nlq -conr,1 toad? Answer with 5 significant digits. (o.5 pointy 'Ohms oue.on 5 Not ye answered Marked out Y Flag g... 5 What is the real part of the per-phase-impedance of the motor modeling it as a delta-connected load? Answer with 5 significant digits. (o5 point)1 )Ohms oumnon 6 Na yet answered Marked out of 5o Y Flag question . What is the imaginary part of the per-phase-impedance of the motor modeling it as a delta-connected load? Answer with 5 significant digits. 10.5 point)) 1 Ohms Ouestion 7 N' Vet answered Mark. outs .. Y Flag vberurn Assume that the motor is linear enough that the impedances will be the grltedWithadirntn'TitUde'fVtthge.NVr'tredt°r""thernetr WCIt theloadfiinderLrO-kadeIlpIhgPeator abletoIIpinly99V further inspection the generator was also known to present some Impedance Zs-,j3.6 ohms that can be modeled as shown. This means generator (as a whole, see dashed boat Is not an ideal aooV generator Generator: same even when bUtsource that your to drive the will appear across 41) zs 0 0 ZS 1. You than try to predict what will happen when you connect the generator motor. What is the magnitude of the expected Line-to-Line voltage that the motor load? 11.25 points) I 'volts Ti .., Me single phase equivalent circuit Be careful and double ,u know to far are line-lo-line or line-to-neutral. Note also if 1e.to-line or line-to-neutral. Quest. 8 nay. answered marked ..75 P Flag question B. What is the ma. nitude of the expected current that will flow through each Line? (1)5 points) IA Ouestion 9 nay. answered Marked out of 2.00 P Flag g... S hat % of the expected rated real power will be delivered to the motor? Iz points) 1% ouaston10 ...,.answered marked outolo.z, P Flag question so. Is the mA rated connector you found safe to use for your test? (o.z. point) Input lit your answer is YES. input o if your answer is NO 1 cues.. 1.t ...,........ Narked outoloe, V' Flag guesm, 11. Is the expected voltage within the limits indicated? (oa5 point) Input I. if your answer is YES. input o if your answer is NO.

PS2 4

In the setup shown, the voltage from the source is stepped up by the first ideal transformer and then stepped down by the second ideal transformer before delivering to the Load The impedance at the middle. Zm-eo•bo ohms. sees some voltage source at its Left side and some impedance at its right side. The Load is known to consume 1.2kW and 3ooVars as shown in the first figure. zm ei ? 111 1 al PQL = :::vars zm 9 el ,eq Let's use the current across the impedance at the middle as the reference phasor where Im-szo' A. The first and second transformers have tums ratio of r5o and 50:1 respectively. Tip: To answer the questions, take into account how the powers in the original and equivalent circuit must be related. I. What is the real part of the equivalent toad impedance (Zleq) seen by Zm? (1 point) Answer with 5 significant digits. 1 (Ohms ouestion 2 Not yet answered Marked our alto° 1' Hag question 2. What is the imaginary part of the equivalent toad impedance 1ZLeq) seen by Zm? (a point) Answer with 5 significant digits. 1 I Ohms Ouestion 3 Not yet answered Marked out of 05. 1' Oat 3. What is the real part of the original toad impedance 1ZO? (o.5 point) Answer with 5 significant digits. I I Ohms .uesrion 4 Not yet answered Marked out of 050 1' Hag question , What is the imaginary part of the original toad impedance (ZO? 10.5 point) Answer with 5 significant digits. I lOhms Guest. 5 Not yet answered Marked our atm) 1' Flag question 5 Given the setup. calculate the magnitude of the equivalent source voltage (Vseq) seen by Zm? 11 point) Answer with 5 significant digits. 1 V 555.556 Not yet answered Marked out of too 1' Hag question 5. What is the magnitude of the voltage in the original source? Is pointl Answer with 5 significant digits. 1 V Ouestion 7 Not yet answered Marked out of too 1' Hag question , What is the magnitude of the current in the original source? Is point) Answer smith 5 significant digits. A 555.558 way. ansered Marked ourw alto° P Flag question 5. What is the real power drawn from the source? (1 point) Answer with 5 significant digits. i W I ale..0119 hays answered Marked ma...h.° 1' Hag question O. What is the reactive power drawn from the source? Is pointl Answer with 5 significant digits. 1 1 oars , Ouestion 10 Not yet answered Marked our alto° 1' Flag question lo. If there were no transformers used. i.e. Vs is directly connected to Zrn and ZL, what will be the real. power drawn from the source? (I. point) Answer with 5 significant digits. 1 IW , Ouestionli Not yet answered Marked out of too 1' Flag question ',Continuing from the previous number. what will be the reactive power drawn from the source? 11 point) Answer with 5 significant digits.

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