Calculate the fault AC and DCcomponents current in 2.5sec instantafter short-circuit of 200MVA, 20KVand 60HZ synchronous generator.The values of subtransient, transientand synchronous reactances are0.15, 0.25 and 1.5pu respectively.Also, the times are 0.05 and1.3sec.the base value of voltage is22000V.

Given- Sub transient reactance =0.15 pu Transient reactance =0.25 pu Synchronous reactance = 1.5 pu…

Answered: Calculate the fault AC and DC…

Engineering

Electrical Engineering

Calculate the fault AC and DC components current in 2.5sec instant

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...

See similar textbooks

Related questions

Q: Question: Find out the appropriate protection schemes for stator winding protection of alternator.…

A: The most common system used of the protection of stator winding foults in the differential…

Q: The circuit breakers operate during transients, then why sub transient calculations are important…

A: Circuit breaker(CB) generally has two ratings,one is (1) making current and the other is (2)…

Q: Which of the following is not a boundary condition for an SLG fault on phase 'a' of a power system?…

A: Since the single line to ground fault occurs on the phase a of the system the fault current of phase…

Q: Explain the significance of fault current analysis in power system protection.

A: Fault current analysis is a fundamental and critical aspect of power system protection. It involves…

Q: Draw the circuit diagram and explain the operation of power factor improvement by using (i)…

Q: An 22kV, 100 MVA alternator is provided with differential protection. The percentage of winding be…

Q: Discuss the concept of fault analysis in power systems and the techniques used to identify and…

A: Fault analysis in power systems is a critical aspect of maintaining the reliability and stability of…

Q: Describe the importance of fault analysis in power systems and the methods used for fault detection.

A: Here we need Describe and explain the concept of fault analysis in power systems and the methods…

Q: (a) Define the terms harmonics, harmonics synchronous and harmonics non- synchronous (b) List and…

Q: The DC Components components initially average about ______ of the fault current. a. 0.50 to 0.60…

A: The correct option is (C) When the fault occurs it is limited only by the reactance of the system.…

Q: A short circuit occurs in the series R-L circuit with V = 20 kV, X = 8 ohm, and R = 0.8 ohm. The…

A: Given V- 20 kV R= 0.8 ohm X= 8 ohm

Q: Q the following Sequence curent were recorded under an un balanced fault condition La =-J1.653 p.u…

A: The solution is given below

Q: A synchronous generator has a constant mechanical input power. In the fault followed by the…

A: In this question we need to choose a correct option

Q: Please briefly describe the fault characteristics of DC microgrids and compare different typical…

A: We have to describe the fault characteristics of DC microgrids and compare different typical…

Q: 1-The following sequence currents were recorded in a power system under a fault condition…

A: In this question we will find fault type....

Q: What's the maximum percent overshoot NOS for this system with its closed-loop poles as

A: Given pole zero plot is,Asked to find the maximum percentage over shoot (%OS)=?

Q: ort-circuit occurs at its terminals. The fault MVA and fault

A: In this question, alternator ratings are given..3 phase short circuit occurs at terminals..We have…

Q: Calculate the allowable duty cycle of Gas Tungsten Arc Welding (GTAW) machine when a power source of…

A: The power system has to transmit power from the generation side to the load side. For this purpose,…

Q: The sequence components of the fault Izero = -j1pu. The type of fault in the system is current are…

A: The sequence components of the fault current are, Ia1=j2 puIa2=-j0.5 puIa0=-j1.5 pu

Q: In protection systems design, the relays must detect the fault within the: * sub-transient period of…

A: In general, the phrase "transient" refers to something that isn't constant and is always changing.…

Q: Explain the concept of fault analysis in power systems. What methods are used to detect and analyze…

A: To maintaina reliable and resilient power system fault analysis and detection is necessary. By…

Q: ence components of the fault current are as Ipositive 12 p.u., Inegative and Izero The type of fault…

A: SOLVE ABOVE QUES

Q: A LLL fault occurs at terminals of a 33 kV, 3 phase 50 Hz circuit breaker. The maximum value of…

A: Given- A LLL fault- 33 kV, 3 phase-50 Hz circuit breaker, To Find- The maximum value of the…

Q: Describe the key principles behind power system protection schemes and their importance in…

A: The above question is based on the importance of power system protection schemes to prevent faults…

Q: Which among these is the advantage of synchronous condensers? O The maintenance cost is low. O The…

Q: A report on Fault analysis in presence of renewable energy sources.

A: Fault in electrical equipment or apparatus refers to an imperfection in the electrical circuit due…

Q: a. In sequence networks of power system, why does voltage sources appear only in the positive…

A: a) Machine are design such as it will generate voltage if the phase sequence will be same as…

Q: The plant capacity of a three phase generating station consists of two 15,000 kVA generators of…

Q: The sequence components of the fault current are as follows: Ipositive = j 2 p.u., Inegative = -j0.5…

A: Given, The sequence components of the fault current are, Ia1=j2 puIa2=-j0.5 puIa0=-j1.5 pu

Q: What is subtransient and transient fault current? How do they occur in a system?

A: In a system before the fault occurs voltage and current both are symmetrical AC but when a 3 phase…

Q: The sequence components of the fault Izero -j1pu. The type of fault in the system is current are as…

A: In this question we need to identify the type of fault

Q: Explain the concept of fault detection and location in power systems and its role in minimizing…

A: Fault detection and location in power systems is a crucial process aimed at identifying the location…

Q: what is oscillating column and smoothening column in cascade voltage multiplier circuit ?

A: What is cascade voltage multiplier circuit ? The cascade circuit is a unique type of rectifier that…

Q: Approximately 75 percentage of the fault are either _____ or permanent LG Faults. a. LLG b.…

A: There are different types of faults occurs in transmission line. 1) LLG When two lines come…

Q: Describe the concept of fault current analysis in power systems and its role in protecting…

A: Fault current analysis is a critical aspect of power system engineering that involves the…

Q: Explain the concept of fault analysis in power systems. How is fault current calculated, and what…

A: To explain:the concept of fault analysis in power systems. How is fault current calculated, and what…

Q: Draw the fault current direction both in Current transformer and operating relay coils for internal…

A: Restricted Earth Fault Protection system for Alternator Stator Winding. Fault types1. External fault…

Q: One of the major threats due to electrical accidents is

A: There are several threats due to electrical accidents but obviously there are few major threats…

Q: The speed of circuit breaker is defined as the time between the occurrences of the fault to the…

A: Given The speed of circuit breaker is defined as the time between the occurrences of the fault to…

Q: Describe the process of fault current analysis in power systems and its significance in protecting…

A: Fault current analysis in power systems is a critical process that involves calculating and…

Question

Calculate the fault AC and DC
components current in 2.5sec instant
after short-circuit of 200MVA, 20KV
and 60HZ synchronous generator.
The values of subtransient, transient
and synchronous reactances are
0.15, 0.25 and 1.5pu respectively.
Also, the times are 0.05 and
1.3sec.the base value of voltage is
22000V.

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 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Types of Resonance and Different Parameter

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

Which fault can cause unacceptable circulating current?
How do shunt capacitor banks are protected against following abnormal conditions. i. Over-current due to individual capacitor unit failure ii. Continuous capacitor over-voltages
Give the three reasons on neglecting prefault currents in faults analysis .
If an unsymmetrical fault occurs on phase C of a transmission line, what would make the fault symmetrical? A. if phase C of the transmission line opens B. If phases A and B become faulted C. If two different faults occur on phas a and b
Explain the concept of fault analysis in power systems. What are the different types of faults, and how are they analyzed and mitigated?
1. A Zone 2 fault is detected in 25 cycles of a 60 Hz power system and the circuit breaker clears in 5 cycles. Calculate the fault clearing time for this case. a) 60 ms b) 500 ms c) 120 ms d) 150 ms 2. The Burden on a CT should always be kept a) High b) Low c) Either, because burden does not affect the CT d) At the rated burden value for the CT 3. The purpose of backup protection is a) To increase speed b) To leave no blind spots c) To guard against failure of primary d) To increase reach 4. In distance protection scheme, which Zone is set to trip instantaneous without any delay? a) Zone 3 b) Zone 2 c) Zone 1 d) All of the above 5. The protective relay is provided to: 1) Provide additional safety by limiting arcing current during circuit breaker operation. 2) Close the contacts when the actuating quantity attains a certain predetermined value. a) Only 1 b) Only 2 c) Both 1 and 2 d) None of these
iv. The swing equation can be considered mathematically, as a equation due to the v. The main objects of fault analysis are term.
In induction type energy meter, is a U shaped Silicon Steel laminated assembly placed below the Aluminum disc and it is wound with current coil (CC).
What is the significance of fault analysis in power systems, and how does it contribute to system reliability and safety?
Hello. Please write here.. Not write in PAPER... To easy Copy it
Describe the concept of fault analysis in power systems and the methods used to detect and mitigate electrical faults.
Describe the concept of fault analysis in power systems. What types of faults can occur, and how are they mitigated?