Which one of the following schematics is a correct transposition of a 3-phase transmission system?Transposition schematic:ABCTranspositiontowerTransposition schematic:ABCTranspositionBACBCATranspositiontowerTranspositionCBACAB Transposition schematic:ABCTranspositiontowerO Transposition schematic:ABCTranspositiontowerBCACABTranspositiontowerTranspositiontowerABCBAC

Given 4 schematics and asked to find correct transposition of the transmission line among 4 options

Which one of the following schematics is a correct transposition of a 3-phase transmission system? Transposition schematic: A B Exx A C B C Transposition schematic: A Transposition tower B B èëë C A с Transposition tower Transposition C B A Transposition C A B

Which one of the following schematics is a correct transposition of a 3-phase transmission system? Transposition schematic: A B Exx A C B C Transposition schematic: A Transposition tower B B èëë C A с Transposition tower Transposition C B A Transposition C A B

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 3.21MCQ: In order to avoid difficulties with third-harmonic exciting current, which three-phase transformer...

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Concept explainers

Fault Analysis

In an electrical engineering system, a fault is an abnormal electric current flowing through the system, and fault analysis is the study of these faults. For instance, a short-circuit is a fault where the live wire touches the ground or neutral wire. If a circuit is interrupted by a failure of a current-carrying wire then an open circuit fault occurs. The open-circuit faults are also called series faults. One or more phases or ground may be involved in a three-phase fault or may occur only between two phases. Current flows into the earth in case of a ground fault or earth fault. For most situations, the prospective short circuit current of a fault that is predictable can be calculated. To limit the loss of service because of a failure, the protective devices can detect fault conditions and operate circuit breakers and also other devices. All phases equally can be affected in a poly-phase system which is known as symmetric electrical fault. The asymmetric fault becomes more complicated to analyze if only some phases are affected. By using methods such as symmetrical components, the power system analysis of these types of faults is often simplified. The main objective of power system protection is to design, detect, and interrupt power system faults.

Question

100%

Which one of the following schematics is a correct transposition of a 3-phase transmission system?
Transposition schematic:
A
B
C
Transposition
tower
Transposition schematic:
A
B
C
Transposition
B
A
C
B
C
A
Transposition
tower
Transposition
C
B
A
C
A
B

Transposition schematic:
A
B
C
Transposition
tower
O Transposition schematic:
A
B
C
Transposition
tower
B
C
A
C
A
B
Transposition
tower
Transposition
tower
A
B
C
B
A
C

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