1-A 60 Hz generator supplying 60% of Pmax to an infinite bus trough a reactive network. A fault occurs which increases the reactance of network between the generator internal voltage and the infinite bus by 400%. When the fault is cleared the maximum power that can be delivered is 80% of the original maximum value. Determine the critical clearing angle for the condition described. Sketch powver angle curves in pre-fault during fault and post fault conditions

1-A 60 Hz generator supplying 60% of Pmax to an infinite bus trough a reactive network. A fault occurs which increases the reactance of network between the generator internal voltage and the infinite bus by 400%. When the fault is cleared the maximum power that can be delivered is 80% of the original maximum value. Determine the critical clearing angle for the condition described. Sketch powver angle curves in pre-fault during fault and post fault conditions

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.74P: A manufacturer in the United States wants to sell a refrigeration system to a customer in Germany....

See similar textbooks

Similar questions

(a) A very important component of a system has a mean time between failures of 100 hr and a mean time to repair of 10 hr. Determine the inherent availability of the system. (b) If the equipment in Q7 (c i) above is required to meet an inherent availability requirement of 0.985 and a mean time between failures of 100 hr. Calculate the permissible mean time to repair and if the system as a mean of the time intervals between corrective maintenance actions of 900 hrs and the sum of the mean corrective maintenance time intervals including supply downtime and administrative down time of 10 hrs Determine the operational availability of the system
A car repair shop has 3 stages of process serially to performcare of its customers' cars. Process 1 with Reliability R1 of 0.91 performedby Staff A, Process 2 with Reliability R2 of 0.92 and Process 3 withReliability R3 of 0.96 a. Sketch from the process above b. Calculate the System Reliability Rs of the systemc. If the workshop has a System Reliability standard of 0.88, whether thethe workshop is able to meet these standards? Explain your answerd. The workshop manager decided to make redundancy by adding staffprocess 1 with Reliability R1.1 of 0.92 and Process 2 with ReliabilityR2.1 is 0.93. Sketch from the process above e. What is System Reliability now? Is able to meet System standardsReliability workshop? Explain your answer
A central station is supplying energy to a community through Four substations. The 2-hour average demand are in table 1. Determine a) load factor, b) capacity factor, c) use factor if the station shuts down for 15 days in a year (the daily load curve is the same the whole year), d) diversity factor between feeders at substation A, (e) diversity factor att central station. Substation A are Feeder 1-4; Substation B are Feeder 5-9; Substation C are Feeder 10-14; and Substation D are Feeder 15-20;
Two wattmeter’s indicate 6 kW and 5kW respectively when connected to measure the input power to a 3 phase balanced load, the reverse switch being operated on the meter indicating 5kW reading. Determine (a) the input power and (b) the load power factor.
1 Draw a) The hierarchical configuration of a domestic refrigerator system b) The reliability block diagram with blocks representing first-level subsystems of a domestic refrigerator c) The reliability block diagram with blocks representing the second-level subsystems of a domestic refrigerator . Please answer all.
Determine the controllability and observability for this system
Based on the pic attached, If component B of #6 is changed to 3 parallel components and each has thesame reliability, what is the system reliability now? pls provide celaar solutions detailed thanks
10- The laplace transform of output variable to laplace transform of input variable is called as control system. Select one: True False
An assembly line is to be designed to operate 71⁄2 hours per day and supply a steady demandof 300 units per day. Here are the tasks and their performance times: Performance Performance Preceding Time Preceding Time Task Tasks (Seconds) task Tasks (Seconds) a — 70 g d 60 b — 40 h e 50 c — 45 i f 15 d…
31 _______ can be achieved by using common components and sub - assemblies like in automobile design: Select one: a. Complexity b. Synchronization c. Simplification d. Postponement
Solve for the Vrms (magnitude only) across the capacitive reactance if R2 = 1082 ohms and Xc = 2328 ohms.
When design for a cyclic load, if in one case, the designed reliability is 0.99, what is the approximate reliability factor which should be used according to the textbook? 1.0 0.9 0.81 0.75