subject
Engineering, 06.12.2019 03:31 maisymooch

3-phase synchronous generator produces an open-circuit line voltage of 6928v when the de excitation current is 50a. the de terminals are then short-circuited, and the three line currents are found to be 800a
(1) calculate the synchronous reactance per phase.
(2) calculate the terminal voltage if three 12 ω resistors are in y-connection at the 1. a terminals.

ansver
Answers: 3

Another question on Engineering

question
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
question
Engineering, 04.07.2019 18:10
Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
Answers: 1
question
Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
question
Engineering, 04.07.2019 18:10
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
Answers: 2
You know the right answer?
3-phase synchronous generator produces an open-circuit line voltage of 6928v when the de excitation...
Questions