21 A power system is divided into 10 protection zones, as illustrated in the figure below. If a fault occurs at the overlap region of Zone 9 and Zone 10, which zone(s) should open circuit breakers?Zone 5Zone 4IZone 2Zone 1 I~0LZone 3Zone 8sokI(N -0Zone 9Zone 9Zone 8, Zone 9, Zone 10, and Zone 5Zone 9 and Zone 10O Zone 1021000Zone 6_L_1IIZone 10Zone 7 1

Protective zones are planned in a such way that the zones cover entire power network. Overlapping of…

Answered: A power system is divided into 10…

A power system is divided into 10 protection zones, as illustrated in the figure below. If a fault occurs at the overlap region of Zone 9 and Zone 10, which zone(s) should open circuit breakers?

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

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.1P

See similar textbooks

Related questions

Q: e switch in Fig. 1 has been closed for a long time, and it opens at t = 0. Find v(t) for t≥ 0. I=(0)…

Q: A balanced delta-connected load with impedance per phase of 30/30 is connected to an abc-sequence…

Q: a. prove that the circulating current value decrease with the increase in the load between the tv…

A: Two or more transformers can be linked in parallel with an existing transformer to deliver a load…

Q: Among the main causes of electrical failure involves Electro-Static-Discharge (ESD). Please…

A: Since there are 4 different questions (a), (b), (c) and (d), as per the guidelines, in the following…

Q: For the system represented by the block diagram shown in the fig 1, determine C₁/R₁ and C₂/R₁. R₁ C₁…

A: Calculate transfer funtion first draw signal flow graph of the system apply mason's gain formula…

Q: C-An auto transformer is used to step-down from 240V to 200V. the complete winding consists of 438…

Q: The signal ä(t) is now sampled at a rate of w§. (i) (ii) If ws > Wn, plot the resulting spectrum of…

Q: Simulate the circuits shown using Multisim. Copy and paste the screenshot of simulated circuit.…

Q: Given the network in figure below find the value of R₁ for maximum power to the load R₁ E₁ Holl 3 Ω…

A: Given,

Q: What is the primary reason for adopting transposition of conductors in a three phase distribution…

A: In this question we will write about transposition of conductors in 3 phase distribution system....

Q: A silicon p-n junction (ε=11.9ɛ n; = 1.45 x 10¹⁰ cm³3³) at 300K has dopant concentrations N₁=2 x…

Q: For the circuit below. a. Calculate the current contributed by the two sources (in time domain). ɔ.…

Q: (a) Derive an expression for vout(t) in terms of vin(t). R2 www 60kQ R1 40kQ R3 vout 40ΚΩ Vin C1…

Q: B-two transformers A and B are connected in parallel to a load ot (2+j1.5). Their impeda in…

A: In this question we will find terminal voltage ,power output and power factor of parallel connected…

Q: 1. a) Two generating units has the following fuel cost, determine the economic load scheduling of…

A: Solution- Given, F1 =0.16 Pg12+0.22Pg1+100F2 = 0.0080 Pg22+0.22 Pg2+220 PL = 500 MW ∂F1∂P1 = 0.32…

Q: Please draw two I-V characteristics: one of an ideal and another of a real PV (Photovoltaic) cell.

A: Introduction - Photovoltaic (PV) cells - Photovoltaic cells are advanced energy transformation cells…

Q: Which one of the following elements in a power system can generate VARS ? OA.LV transmission lines…

A: In this question we will write which elements generate VARs...

Q: Item #: TLO #: 3 TLO 12 Two balanced three-phase motors in parallel, an induction motor drawing 400…

A: In this question we need to find a combined power factor of load , magnitude of the line current of…

Q: R₂₁ 4 Ω R₂ 202 R₁ 1202 E₂ 10 V 16 V 4. Using the superposition theorem, determine the current though…

A: In this question we need to find a current through 12 ohm resistor by using superposition theorem.

Q: Determine the gates circuit

Q: m(t) T/2 T 2T

Q: Find Vo 3A ww 4Ω www 16Ω ww 1Ω ww 5Ω 1) 12 V 10 Ω

A: To simulate the the given circuit using Multisim

Q: Problem #2. Find the transfer function {H(s)} for the Bode Plot (Magnitude) below. Note: The…

Q: The diagram below shows a mid-point reactor tap-changer in one phase of transformer winding. What is…

A: Given A circuit diagram of mid-point reactor tap changer. We need to determine the purpose of…

Q: A Req ? 2 Ω 2 Ω M 4 Ω Μ 2 Ω 4 Ω Μ 1Ω M B 1.6 Ω ΣΩ 3 Ω

Q: a + R Vi R m ww R {R m 1 b 1 d -oblem 1 a. Derive an expression for the equivalent resistance of the…

A: Resistance is defined as the ratio of applied voltage to current through the substance. Resistance…

Q: 2. Find the cascaded voltage gain Vout/Vin of the following amplifier chain. Vin www RS Vout AC 1K…

A: Cascade Amplifier: A cascade amplifier is a two-port network with amplifiers connected in series,…

Q: R ww R ww R ww a + + I Vi R Vo R₁ b I Problem 1 a. Derive an expression for the equivalent…

A: RESISTANCE : When an electric current travels through a bulb or any conductor, the conductor…

Q: An amplifier has an open-circuit voltage gain of 70 dB and an output resistance of 1.5 k. Determine…

A: We need to find out the value of load resistance for given gain

Q: Consider a parallel connection of two capacitors. They were detached from the potential source after…

A: From given condition both capacitors are in parallel, and they have been charged. Now since…

Q: Given the block diagram below, determine the system function H(z). x[n] -2 2 N O f. -2 a. (1+0.25z…

Q: According to the circuit determine - the balance of power - The maximum power transfer at points A…

Q: A circular coil 12.0 cm in diameter and containing nine loops lies flat on the ground. The Earth's…

A: Given data: Diameter = 12cm Number of Turns, N= 9 Current of the coil, I =7.20 A

Q: Question 6: Determine the range of K for Stability of the following System. R(S) K(5+1) (5+2) (5+8)…

Q: Check the linearity, casualty, stability and the time variance of the following: 1. y(n) = 1/4…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: A three-phase source has a phase sequence of EAB - EBC - ECA and delivers the following delta load…

Q: B- two transformers A and B are connected in parallel to a load of (2+j1.5). Their impedanc in…

A: In this question parallel connected transformers are given.....We have to find out terminal voltage…

Q: Question - Find the range of (K). For the Stability of the system with characteristic equation 3…

A: In this question, We need to determine the value of K for the system is stable using the routh…

Q: 1- The low voltage winding is wound under the high voltage winding. Why. 2- What are the differences…

Q: QUESTION 2 A conducting wire is turned in a circular loop 100 times. If the wire carries a curri…

Q: Q.22: 380V, 3-, 4-wire CBA system with A-connected load (3+j4,3-14,5) ohm. Find the line currents…

A: Delta Connections: In a three-phase electrical system, a delta connection is formed by three…

Q: Problem 4: Sketch/draw the Output waveform of a D Flip-flop for the input waveforms shown below.…

A: Sketch the output waveform of D-flipflop for the input waveform shown below. Here QB output gives…

Q: A continuous-time signal, x(t), has a Fourier transform denoted by X (w), and is expressed as: 0, w…

Q: (a) What is the physical meaning of the following Maxwell's equation? (b) Write the differential…

A: Given Maxwell's equation: ∮B→.dS→=0----(1)

Q: 50 V 260° Load 1 Load 2 5. For the system of Fig. 19.44: a. Find PT. Qr, and St. b. Find the power…

Q: The rotor of 220-V, 60 Hz, 4-pole induction motor has a power input of 80kW is observed that the…

A: To find the gross mechanical power developed If an induction motor takes power input of 80 kW and…

Q: -21 -2t 7. The Laplace transform of the function et cos(3t) + 5et sin(3t) is. a) (s+2) - 15 (s + 2)²…

A: given here time domain signals and asked to find the laplace transform of those signals. we know…

Q: Briefly explain about single phase and three phase power supply with diagrams.

Q: Item #: TLO #: 9 TLO 13 The power input to a synchronous motor is measured by two wattmeters both of…

Q: transformer has its maximum efficiency of 98% at 20kVA and unity power factor. During the day, it is…

A: In this question we need to find a all day efficiency of the given transformer

Question

A power system is divided into 10 protection zones, as illustrated in the figure below. If a fault occurs at the overlap region of Zone 9 and Zone 10, which zone(s) should open circuit breakers?
Zone 5
Zone 4
I
Zone 2
Zone 1 I
~
0
L
Zone 3
Zone 8
sok
I(N -0
Zone 9
Zone 9
Zone 8, Zone 9, Zone 10, and Zone 5
Zone 9 and Zone 10
O Zone 10
21000
Zone 6_L_1
I
I
Zone 10
Zone 7 1

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

What is the significance of fault analysis in power systems, and how is fault location determined?
Explain the concept of fault analysis in power systems. How is fault current calculated, and what protection mechanisms are in place?
Figure 2 shows the circuit of a simple power system. The ratings of the generators, transformers and the motors are as shown in the figure. The reactance of lines 1 and 2 are 40 ohms and 50 ohms respectively. Assume that system is unloaded, and the generators are generating their rated voltage. Select the generator G₁ ratings as base values. Choose the fault location in bus 1, bus 2, or bus 3.( Only one bus location) And give this answer For a symmetrical three phase fault on the bus 1.Draw the reactance diagram for the fault with all the reactances marked in per unit. 2.Determine the Thevenin's equivalent circuit which can be used to calculate the fault current. (3) Calculate the fault current in ampere and fault power in MVA. (4) Calculate the fault current contribution from the generator connected to the bus for fault calculation.
1-The following sequence currents were recorded in a power system under a fault condition Ipositive=j1.5pu, Inegative=–j0pu, Izero=– j0pu. The fault is a.Three-phase b.Double Line to ground c.Line to ground d.Line to line also if this case 2- he following sequence currents were recorded in a power system under a fault condition Ipositive=j1.5pu, Inegative=j0pu, Izero=j0pu. The fault is a.Three-phase b.Double Line to ground c.Line to ground d.Line to line i uploded the houndots (book )here :https://seomidea.com/hct/nu.pdf
Explain the concept of symmetrical and unsymmetrical faults in power systems. How are these faults analyzed, and what protective measures can be implemented?
Q the following Sequence curent were recorded under an un balanced fault condition La =-J1.653 p.u Ia,= Jo-s p.u Io,: 1153190 pu A: Identify the type of fault 8 Assume that prefault voltoge is 1.0 pu and Va, = o175 p.u. Find the Sequence impedonces of the System under the above Condition
A 100 MVA, 20 kV, 3¢ generator is operated with an internal voltage of 1.0 p.u. Assume a solid 3 fault occurs on the generator's terminal and that the circuit breaker operates after three cycles. Assume Xa = 0.15, X = 0.24, Xa = 1.05 (all per unit) Ta = 0.038 seconds, Ta = 2.0 seconds T = 0.36 seconds. Determine the fault current (both the ac and de transients) and estimate the RMS fault current (in kA) at 1=0.
What is the difference between OLTC and transformers
ISE 2. A bolted short circuit occurs in the series R-L circuit of Figure 1 with V=18kV, f=50Hz,X=1092, R=1.092, and with maximum dc offset. The circuit breaker opens 3 cycles after fault inception. Determine: (a) the rms ac fault current, (b) the rms "momentary" current at T=1.0 cycle, which passes through the breaker before it opens, (c) the rms asymmetrical fault current that the breaker interrupts. 1 R mm i(t) ~e(t)=√√2U sin(@t+a) t=0 X² Figure 1 series R-L circuit
Write in Briefly about circuit breaker, current transformer and voltage transformer
a) Classify the four categories of 3 phase power system faults we experience in our electrical power industry. b) Explain the emergence of such power systems fault as required in (question 1a)? c) Point out each type of fault specified under (a). d) Produce the (1D) design of the three-phase star connected faults stated under(b)
What is the impact of a fault at Location A to Location B? ..