Physics, 12.12.2019 00:31 Hjackson24
Abalanced three-phase y-connected generator with positive sequence has an impedance of 0: 2 + j0: 5 per phase and an internal voltage of 120 v rms per phase. the generator feeds a balanced three-phase y-connected load having an impedance of 39+j28 per phase. the impedance of the line connecting the generator to the load is 0: 8 + j1: 5 per phase. the a-phase internal voltage of the generator is specied as the reference phasor. a) construct the a-phase equivalent circuit of the system. b) calculate the three line currents iaa, ibb and icc. c) calculate the three phase voltages at the load, van, vbn and vcn. d) calculate the line voltages vab, vbc and vca at the terminals of the load. e) calculate the phase voltages at the terminals of the generator, v an, v bn and v cn. f) calculate the line voltages v ab, v bc and v ca the terminals of the generator. g) calculate the average power per phase delivered to the y-connected load h) calculate the total average power delivered to the load. i) calculate the total average power lost in the line. j) calculate the total average power lost in the generator. k) calculate the total number of magnetizing vars absorbed by the load. l) calculate the total complex power delivered by the source.
Answers: 1
Physics, 21.06.2019 23:00
The key to stability is feedback between the reservoir and the fluxes into and/or out of the reservoir. assume that the rate of outflow from a reservoir depends on the size of the reservoir according to the following relationship: outflow rate= k x (size of reservoir), where k is a constant. a reservoir of water has a volume of 5000 liters, and the rate of outflow at steady state is 25 liters per minute. what is k? (give both the numerical value and its units.) what is the residence time? what is the relationship between k and the residence time?
Answers: 1
Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
Answers: 1
Physics, 22.06.2019 18:30
Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above
Answers: 2
Abalanced three-phase y-connected generator with positive sequence has an impedance of 0: 2 + j0: 5...
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