The 4.76-kV circuit breaker in Table 9.4 can be used for a rated fault current interruption of
Question:
The 4.76-kV circuit breaker in Table 9.4 can be used for a rated fault current interruption of 41 kA at a rated 4.76 kVLL system voltage. Determine the range of system voltage and interruption current it can be used for.
Table 9.4
Transcribed Image Text:
TABLE 9.4 Standard Ratings of Indoor Circuit Breaker in 4.76-38 kV Range Rated System Voltage kV₁ LLrms 4.76 4.76 4.76 8.25 15 15 15 38 Rated Continuous Current kArms 1.2 1.2, 2.0 1.2, 2.0, 3.0 1.2, 2.0 1.2, 2.0 1.2, 2.0 1.2, 2.0, 3.0 1.2, 2.0, 3.0 Rated Symmetrical Fault Current Interrupt kArms 8.8 29 41 33 18 28 37 21 Rated Symmetrical Fault Current Interrupt MVArms (within K-factor)a 72.5 240 340 470 470 730 960 1380
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 75% (4 reviews)
According to Table 94 the 476kV circuit breaker can be used for a rated fault current interruption o...View the full answer
Answered By
WAHIDUL HAQUE
hello,
I'm a professional academic solution provider working as a freelance academic solution provider since 7 years. I have completed numerous projects. Help lots of students to get good marks in their exams and quizzes. I can provide any type of academic help to your homework, classwork etc, if you are a student of Accounting, Finance, Economics, Statistics. I believe in satisfying client by my work quality, rather than making one-time profit. I charge reasonable so that we make good long term relationship. why will you choose me? i am an extremely passionate, boldly honest, ethically driven and pro-active contractor that holds each of my clients in high regards throughout all my business relations. in addition, I'll always make sure that I'm giving my 100% better in every work that will be entrusted to me to be able to produce an outcome that will meet my client's standards. so if you are a student that is now reading my profile and considering me for your academic help. please feel free to look through my working history, feedback and contact me if you see or read something that interests you. I appreciate your time and consideration.
regards
4.90+
233+ Reviews
368+ Question Solved
Related Book For
Introduction To Electrical Power And Power Electronics
ISBN: 9781466556607
1st Edition
Authors: Mukund R. Patel
Question Posted:
Students also viewed these Engineering questions
-
The 8.25-kV circuit breaker in Table 9.4 can be used for rated fault current interruption of 33 kA at a rated 8.25-kV LL system voltage. Determine the range of system voltage and interruption current...
-
Tan-O-Rama is a local tanning salon. The following information reflects its number of appointments and total costs for the first half of the year: Number of Total Cost Month Appointments January 300...
-
The statements of financial position of Parkway plc for 20X7 and 20X8 are given below, together with the income statement for the year ended 30 June 20X8. Statement of comprehensive income of Parkway...
-
What are two possible attributes to be measured when an item is to be included in financial statements? What unit of money is used to measure items in the United States?
-
Pulsar Optics produces medical lasers for use in hospitals. The accounts and their balances appear in the ledger of Pulsar Optics on April 30 of the current year as follows: Preferred 1% Stock, $120...
-
Reconsider Problem 65. Plot a graph of capital recovery cost versus useful life for lives 1 to 25 by 1. Data from problem 65 Crush Autosmashers can purchase a new electromagnet for moving cars at a...
-
A venture capitalist wants to estimate the value of a new venture. The venture is not expected to produce net income or earnings until the end of Year 5 when the net income is estimated at...
-
Construct and group the following data into classes. Calculate the frequency by classes, relative frequencies and cumulative frequencies. A. Calculate the size of each class (use 6 classes) a....
-
Identify equipment and reasons that may require time-delay fuse and fast acting fuse.
-
Determine the time-delay fuse rating for a three-phase, 208-V, 5-hp motor branch circuit in the engine room, which has an ambient air temperature of 55C. Assume the motor efficiency of 92% and power...
-
Why is it important for communication goals and objectives to reflect the organisations business goals and objectives?
-
What is the effect of Covid-19 on Indias supply of loanable funds? Indias government budget deficit is 4.6 percent of GDP in 20192020. The government projected a deficit of 3.8 percent of GDP in...
-
What is the monetary base and how does it relate to the Feds balance sheet?
-
When You Find Out a Coworker Makes More Money than You Do Finding out that a co-worker with similar qualifications, working at the same job but getting paid more than you is infuriating. Let your...
-
Government Budget Surplus in Kuwait Despite a substantial decline in government revenues following a sustained decline in oil prices, Kuwait continues to report budget surpluses because of decreased...
-
What is the value of Michaels capital at the end of 2022? Michael, an Internet service provider, bought an existing business worth $400,000 on December 31, 2021. During 2022, his business grew and he...
-
Canseco Company has the following data for the weekly payroll ending January 31. Employees are paid 1½ times the regular hourly rate for all hours worked in excess of 40 hours per week. FICA...
-
Presented below are income statements prepared on a LIFO and FIFO basis for Kenseth Company, which started operations on January 1, 2024. The company presently uses the LIFO method of pricing its...
-
Pyrocatechol violet (Table 11-3) is to be used as a metal ion indicator in an EDTA titration. The procedure is as follows: 1. Add a known excess of EDTA to the unknown metal ion. 2. Adjust the pH...
-
Give three circumstances in which an EDTA back titration might be necessary.
-
Neglecting activity coefficients and ion pairing, find the pH and concentrations of species in 1.00 L of solution containing 0.010 mol hydroxybenzene (HA), 0.030 mol dimethylamine (B), and 0.015 mol...
-
Exercise equipment company produces a range of exercise equipment. All the equipment is manufactured locally, and currently the business promotes its equipment as a premium brand. Sales growth is...
-
What steps must a user perform when using the Navigation Bar in QBO to update a Vendors List before entering transactions?
-
1. What type of case is this 2. SWOT analysis using the information from the case 3. What seems to be the decision that needs to be made according to the information in this case and how would you...
Study smarter with the SolutionInn App