Test: Fault Analysis of Power Systems

# Test: Fault Analysis of Power Systems

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## 10 Questions MCQ Test GATE Electrical Engineering (EE) 2023 Mock Test Series | Test: Fault Analysis of Power Systems

Test: Fault Analysis of Power Systems for Electrical Engineering (EE) 2022 is part of GATE Electrical Engineering (EE) 2023 Mock Test Series preparation. The Test: Fault Analysis of Power Systems questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Fault Analysis of Power Systems MCQs are made for Electrical Engineering (EE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Fault Analysis of Power Systems below.
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Test: Fault Analysis of Power Systems - Question 1

### When all the three phases are short circuited it gives rise to

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A three-phase fault is a symmetrical fault.

Test: Fault Analysis of Power Systems - Question 2

### The zero sequence reactance will be more than the positive sequence reactance, if the equipment is:

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For transmission line

Test: Fault Analysis of Power Systems - Question 3

### The sequence networks for a three-phase faults are connected in

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A three-phase fault is a symmetrical fault where only positive sequence network (current exists).

Test: Fault Analysis of Power Systems - Question 4

Match List-l (Symbol for 3-phase transformer connections) with List-ll (Zero-sequence equivalent circuits) and select the correct answer using the codes given below the lists:
List-I

List-ll

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Using switch diagram, we find the zero sequence network for a transformer.

Test: Fault Analysis of Power Systems - Question 5

The base impedance and base voltage for a given power system are 10Ω and 400 V respectively. The base kVA and the base current will be respectively

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Test: Fault Analysis of Power Systems - Question 6

The per-unit admittance YPu of a power system in terms of the base voltage Vbase and the base voltamperes (VA)base is given by

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Test: Fault Analysis of Power Systems - Question 7

In a line to ground fault on a system, the fault current is 1500 A. The zero sequence current is

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or,

Test: Fault Analysis of Power Systems - Question 8

The fault current, in a double line to ground fault on a system depends on

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Test: Fault Analysis of Power Systems - Question 9

There may be a zero sequence components in
1. line voltage of star circuit
2. phase voltage of star circuit
3. line current of delta circuit
4. phase current of delta circuit
Select the correct answer from the given options:

Test: Fault Analysis of Power Systems - Question 10

A 10 kVA, 400 V/200V single phase transformer with 10% impedance draws a steady short circuit line current of

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## GATE Electrical Engineering (EE) 2023 Mock Test Series

20 docs|208 tests