Q3) Consider the following 230 V TNC network a) Is the RCD allowed to be used as protection device for this network? Why? b) Assume that the total RPEN = 22 and (each section RPEN1=RPEN2=RPEN3=RPEN4= 0,5 2). Find VFI, VF2, VF3 and VF4- c) Find whether a 20A gG fuse is a correct protection device for the network. d) Find whether a B32 A circuit breaker is a correct protection device for this network. RPENY M RPEN 3 M RPENZ PE REENA MM ML IVF3 VF2 Notice: The faults don't occure at the Same time, but Single.

Q3) Consider the following 230 V TNC network a) Is the RCD allowed to be used as protection device for this network? Why? b) Assume that the total RPEN = 22 and (each section RPEN1=RPEN2=RPEN3=RPEN4= 0,5 2). Find VFI, VF2, VF3 and VF4- c) Find whether a 20A gG fuse is a correct protection device for the network. d) Find whether a B32 A circuit breaker is a correct protection device for this network. RPENY M RPEN 3 M RPENZ PE REENA MM ML IVF3 VF2 Notice: The faults don't occure at the Same time, but Single.

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 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...

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1. Which of the following statements is true?a. Terminal A is negative with respect to terminal D.b. Terminal D is negative with respect to terminal A.c. A voltmeter connected between terminals A and C would measure 40Vdc.d. Terminal A is positive with respect to terminal D.2. Which of the following statements is true?a. ES = ER1 – ER2 – ER3b. ER1 – ER2 – ER3 = 100Vdcc. ES = ER1 + ER2 + 30 Vdcd. ER1 + ER2 + ER3 = ES3. What is the value of resistor R1?a. 5000 Ωb. 1500 Ωc. 3000 Ωd. 10 000 Ω 4. What is the voltage drop between points A and B?a. 45 Vdcb. 15 Vdcc. 10 Vdcd. 60 Vdc 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor R2?a. 500 Ωb. 1000 Ωc. 1500 Ωd. 3000 Ω7. Refer to TLO 4, Fig. 4-3 and Exercise Procedure 4. What is the approximatedresistance of DS1 when lighted?a. 35 Ωb. 75 Ωc. 42 Ωd. 100 Ω 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor…
1. Which of the following statements is true?a. Terminal A is negative with respect to terminal D.b. Terminal D is negative with respect to terminal A.c. A voltmeter connected between terminals A and C would measure 40Vdc.d. Terminal A is positive with respect to terminal D.2. Which of the following statements is true?a. ES = ER1 – ER2 – ER3b. ER1 – ER2 – ER3 = 100Vdcc. ES = ER1 + ER2 + 30 Vdcd. ER1 + ER2 + ER3 = ES3. What is the value of resistor R1?a. 5000 Ωb. 1500 Ωc. 3000 Ωd. 10 000 Ω 4. What is the voltage drop between points A and B?a. 45 Vdcb. 15 Vdcc. 10 Vdcd. 60 Vdc 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor R2?a. 500 Ωb. 1000 Ωc. 1500 Ωd. 3000 Ω7. Refer to TLO 4, Fig. 4-3 and Exercise Procedure 4. What is the approximatedresistance of DS1 when lighted?a. 35 Ωb. 75 Ωc. 42 Ωd. 100 Ω 5. What is the voltage drop between points B and C?a. 5 Vdcb. 15 Vdcc. 10 Vdcd. 7.5 Vdc6. What is the value of resistor…
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