Need Correct Answer 3. If the existing overhead line is available within the periphery of m, of the distribution line to be erected,existing line should be shutdown.10203040IncorrectRefer Green Field Construction of OH Lines - Part 4 to learn the concept4. While installing the pole using mechanized system how many temporary guy ropes to be used?.12IncorrectRefer Green Field Construction of OH Lines - Part 2 to learn the concept5.While installation of pole using pick and carry type crane, drive temporary guy pin at4IncorrectRefer Green Field Construction of OH Lines - Part 5 to learn the conceptsides of the crane.. 8.9.How many types of stays are there?5IncorrectRefer Green Field Construction of OH Lines - Part 4to learn the conceptFor H.T. lines, mm diameter stay rod,mm size eye bolt are used.15,1617,1819,2021,22CorrectTo know about permissible voltage drop in a motor during starting and running conditionFor L.T. lines, mm diameter stay rod,12.5, 1515,1512.5,12.515, 12.5mm eyebolt are used.IncorrectRefer Green Field Construction of OH Lines - Part 4 to learn the concept

Step 1: 4. generally at least three temporary guy ropes to stabilize the pole during installation.6.…

Answered: 3. If the existing overhead line is…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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4. What can installation records be used to determine while servicing equipment?A. Broken connectors in a cable linkB. Problems due to aging during operationC. Broken fiberD. Decreased bending radius during operation
2.a. What's defined as an assembly consisting of a service raceway, guy wires or braces, service head, andany fittings necessary for the termination and support of overhead service conductors?A. Drip loopB. Service lateralC. Service dropD. Service mast 2.b. What's likely to happen when connected parallel conductors are different lengths?A. An NEC violationB. Misidentification of conductor cablesC. An uneven distribution of currentD. Conductor termination
c.1. Which of the following is one of the three essential functions of an equipment grounding conductor?A. Provide an arc-fault current pathB. Establish groundingC. Establish bondingD. Ensure the system is groundedc.2. What's another name for the three-point method of Earth resistance testing?A. Fall-of-potentialB. Line surgeC. Spatial shieldingD. Leakage current c.3. If the National Electrical Code provides a requirement to ground equipment, it generally implies thatthere will be a direct connection to the Earth of a connection through a/anA. grounding electrode conductor.B. equipment grounding conductor.C. equipotential bonding conductor.D. bonding conductor.
The active component of line current in figure 1 is______. a. 12A b. 20A c. 12A d. 4A
7. What is the object of equipment grounding? Briefl y describe the functions of substation grounding system.
Explain how the tie line power deviation can be incorporated in two area systems block diagram? Explain in details !!
QUESTION 1 Figure 1 shows the schematic diagram of a three phase radial transmission system. The ratings and reactance of various components are as shown, along with the nominal transformer rated line voltage. Convert the schematic into an equivalent per unit circuit by using a base of 250 MVA and voltage reference as 40 kV at Zone C. Subsequently, calculate the new per unit reactance for all zones and load current at the receiving busbar. (Zone C) VBnew =40 kV (Zone A) (Zone B) Vs Vg = 33 kV GA 11 kV 132 kV Lc 134 kV 35 kV 100 MW 0.8 p.f. lagging j50 2 TA 150 MVA X= 10 % TB 120 MVA 200 MVA 10.8 kV X= 12 % X= 12 % Te 50 MVA X= 15 % 11 kV 10 MW 0.85 pf. lagging (Zone D) Figure 1 32 kVy 11 kV
A set of conductors is used to supply residential unit with a total load current of 60 A at a single-phase supply voltage of 230 V. What would be the minimum size of the conductor to be used to achieve at least 5% voltage drop? The total conductor length is 300 ft. ..
9. Which grounding method is typically required of higher-voltage systems? A. Grounding through inductorsB. Grounding through a low amount of resistanceC. Grounding through a high-impedance device D. Grounding through surge arresters 10. Which term relates to the conductors connected to the output side of a separately derived system? A. Neutral conductorB. Transformer secondary conductorC. System conductor D. Derived phased conductor 11. If there's no service disconnect at a remotely supplied building, then the grounding electrode conductor and the equipment grounding conductor can be bonded together at a A. junction box.B. structural steel location. C. grounding electrode rod. D. water line. 12. In a DC system, the bonding jumper between the negative of the supply and ground is normally made at the source or at the A. first disconnecting means. B. first device on the supply. C. end of the DC line.D. entrance to the building. 13. Which of the following is a common raceway…
1.a. To create usable voltages for 120-volt loads, _______ are usually installed.A. photovoltaic arraysB. transformersC. wind power turbinesD. generators1.b. Which grounding method is typically required of higher-voltage systems?A. Grounding through a high-impedance deviceB. Grounding through a low amount of resistanceC. Grounding through inductorsD. Grounding through surge arresters
a). What is the reason for providing sag in an Overhead transmission line? b). List any two properties of supporting structure required for an Overhead transmission line. A a) Answer b)Answer !!!
A dc two line distributor AB 600 metre long is fed at 440 V from substation A and at 430 V from substation B, the load are: 100 A at C (150 m from A), 200 A at D (150 m from C), 250 A at E (50 m from D), 300 A at F (100 m from E). If each line conductor has a resistance of 0.01 ohm per 100 m, calculate the current supplied from substation A and B and the voltage across each load.

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