Search for tag: "magnet"

59 Media

Week11_MRI_Physics duration 1 hour 24 minutes Week11_MRI_Physics Week11_MRI_Physics	Week11_MRI_Physics This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. The Physics of MRI and MRI design criteria is discussed. medical physics medical imaging mri physics field magnetization protons frequency signal coils rf naught angle magnet gradient vector times energy relaxation coil direction axis pause From Janos Juhasz 13 plays 0
MRI Safety duration 1 hour 34 minutes MRI Safety MRI Safety	MRI Safety field mri magnet things rf thing gradients tesla safety sequences patient sar gradient level kind lot body patients skin sequence From Troy Farncombe 59 plays 0
40_Switched Reluctance Motor Drives_1_Part1 duration 6 minutes 7 seconds 40_Switched Reluctance Motor Drives_1_Part1 40_Switched Reluctance Motor Drives_1_Part1	40_Switched Reluctance Motor Drives_1_Part1 motor rotor motors magnets windings coils induction bars construction stator component types core field brushes commutator armature magnet reluctance poll From BERKER BILGIN 65 plays 0
39_Brushless DC Motor Drives_Part1 duration 4 minutes 9 seconds 39_Brushless DC Motor Drives_Part1 39_Brushless DC Motor Drives_Part1	39_Brushless DC Motor Drives_Part1 motor position rotor waveform voltage phase emf linkage flux brushless magnets dc currents shape magnet coils windings motors control power From BERKER BILGIN 72 plays 0
36_PMSM_Operational Characteristics_Part3 duration 4 minutes 14 seconds 36_PMSM_Operational Characteristics_Part3 36_PMSM_Operational Characteristics_Part3	36_PMSM_Operational Characteristics_Part3 voltage axis motor edtpa ellipses equation point t3 torque magnet curve characteristics script currents sum voltages combination condition limits sense From BERKER BILGIN 68 plays 0
36_PMSM_Operational Characteristics_Part2 duration 2 minutes 9 seconds 36_PMSM_Operational Characteristics_Part2 36_PMSM_Operational Characteristics_Part2	36_PMSM_Operational Characteristics_Part2 axis torque expression proof currents relationship edtpa levels talk components trajectory tpa reluctance motor magnet From BERKER BILGIN 67 plays 0
36_PMSM_Operational Characteristics_Part1 duration 4 minutes 17 seconds 36_PMSM_Operational Characteristics_Part1 36_PMSM_Operational Characteristics_Part1	36_PMSM_Operational Characteristics_Part1 current torque axis motor magnet linkage flux currents control circles circle times circuit script stator pairs resistance expression limits icu From BERKER BILGIN 81 plays 0
35_Tutorial_PMSM Problems_Part5 duration 7 minutes 36 seconds 35_Tutorial_PMSM Problems_Part5 35_Tutorial_PMSM Problems_Part5	35_Tutorial_PMSM Problems_Part5 axis phase voltage torque iq omega components motor dx current component angle magnitude magnet degrees vector lambda amps rs icu From BERKER BILGIN 77 plays 0
35_Tutorial_PMSM Problems_Part4 duration 5 minutes 38 seconds 35_Tutorial_PMSM Problems_Part4 35_Tutorial_PMSM Problems_Part4	35_Tutorial_PMSM Problems_Part4 axis voltage omega iq angle flux phase linkage dx degrees vector stator motor magnet vd lambda emf magnitude sum component From BERKER BILGIN 81 plays 0
35_Tutorial_PMSM Problems_Part3 duration 5 minutes 7 seconds 35_Tutorial_PMSM Problems_Part3 35_Tutorial_PMSM Problems_Part3	35_Tutorial_PMSM Problems_Part3 phase axis degrees angle cosine sine times torque linkage flux iq equals current amps degree dx motor reluctance magnet pairs From BERKER BILGIN 81 plays 0
35_Tutorial_PMSM Problems_Part2 duration 2 minutes 32 seconds 35_Tutorial_PMSM Problems_Part2 35_Tutorial_PMSM Problems_Part2	35_Tutorial_PMSM Problems_Part2 voltage linkage flux omega times axis phase magnet question radians pairs pole characteristics load root motor rabbi logs seconds speed From BERKER BILGIN 87 plays 0
35_Tutorial_PMSM Problems_Part1 duration 6 minutes 37 seconds 35_Tutorial_PMSM Problems_Part1 35_Tutorial_PMSM Problems_Part1	35_Tutorial_PMSM Problems_Part1 phase lambda voltage axis condition load linkage flux angle frame magnet iq motor vd reference variables question current magnitude omega From BERKER BILGIN 110 plays 0
35_Practice Problem_Solutions_Part3 duration 6 minutes 33 seconds 35_Practice Problem_Solutions_Part3 35_Practice Problem_Solutions_Part3	35_Practice Problem_Solutions_Part3 iq lambda omega voltage times axis rpm phase degrees vd torque angle volts pairs pole current question vector minus magnet From BERKER BILGIN 6 plays 0
34_PMSM_Torque_Voltage_Equations_FOC_Part5 duration 9 minutes 6 seconds 34_PMSM_Torque_Voltage_Equations_FOC_Part5 34_PMSM_Torque_Voltage_Equations_FOC_Part5	34_PMSM_Torque_Voltage_Equations_FOC_Part5 axis motor reference currents control speed magnet phase field transformation torque pi model output position angle voltage parameters regulator voltages From BERKER BILGIN 78 plays 0
34_PMSM_Torque_Voltage_Equations_FOC_Part3 duration 5 minutes 5 seconds 34_PMSM_Torque_Voltage_Equations_FOC_Part3 34_PMSM_Torque_Voltage_Equations_FOC_Part3	34_PMSM_Torque_Voltage_Equations_FOC_Part3 voltage flux linkage transformation axis load speed times theta cloud pairs analysis dx position script magnet pole waveform rpm linkages From BERKER BILGIN 73 plays 0
34_PMSM_Torque_Voltage_Equations_FOC_Part2 duration 6 minutes 47 seconds 34_PMSM_Torque_Voltage_Equations_FOC_Part2 34_PMSM_Torque_Voltage_Equations_FOC_Part2	34_PMSM_Torque_Voltage_Equations_FOC_Part2 axis lambda flux voltage magnet linkage phase load iq omega torque angle equals dx rotor transformation condition speed voltages reluctance From BERKER BILGIN 75 plays 0
34_PMSM_Torque_Voltage_Equations_FOC_Part1 duration 5 minutes 26 seconds 34_PMSM_Torque_Voltage_Equations_FOC_Part1 34_PMSM_Torque_Voltage_Equations_FOC_Part1	34_PMSM_Torque_Voltage_Equations_FOC_Part1 flux linkage axis phase angle magnet torque equation voltage transformation cosine dx lambda times current function position emf load motor From BERKER BILGIN 82 plays 0
33_PMSM_Torque_Voltage_Equations_Part8 duration 5 minutes 36 seconds 33_PMSM_Torque_Voltage_Equations_Part8 33_PMSM_Torque_Voltage_Equations_Part8	33_PMSM_Torque_Voltage_Equations_Part8 axis flux magnet linkage iq lambda term times equation torque expression current minus omega voltage power dx expressions frame circuit From BERKER BILGIN 68 plays 0
33_PMSM_Torque_Voltage_Equations_Part1 duration 2 minutes 4 seconds 33_PMSM_Torque_Voltage_Equations_Part1 33_PMSM_Torque_Voltage_Equations_Part1	33_PMSM_Torque_Voltage_Equations_Part1 phase magnet flux voltage linkage rotor a. equation currents motor sum operation magnets position linkages linear phases drop rsi law From BERKER BILGIN 92 plays 0
31_Synchronous Motor Drives2_Part3 duration 12 minutes 8 seconds 31_Synchronous Motor Drives2_Part3 31_Synchronous Motor Drives2_Part3	31_Synchronous Motor Drives2_Part3 phase angle axis flux linkage degree position rotor magnet coil current load torque currents degrees voltage direction respect stator magnets From BERKER BILGIN 82 plays 0
30_Synchronous Motor Drives1_Part4 duration 10 minutes 38 seconds 30_Synchronous Motor Drives1_Part4 30_Synchronous Motor Drives1_Part4	30_Synchronous Motor Drives1_Part4 phase axis position rotor flux coil magnet linkage degree m1 direction degrees surface coils cycle values status magnets linkages maximum From BERKER BILGIN 68 plays 0
30_Synchronous Motor Drives1_Part3 duration 8 minutes 20 seconds 30_Synchronous Motor Drives1_Part3 30_Synchronous Motor Drives1_Part3	30_Synchronous Motor Drives1_Part3 axis phase coil flux magnet linkage coils direction position degrees hand slots m1 slot rule linkages surface polarity arrow minus From BERKER BILGIN 82 plays 0
30_Synchronous Motor Drives1_Part2 duration 4 minutes 57 seconds 30_Synchronous Motor Drives1_Part2 30_Synchronous Motor Drives1_Part2	30_Synchronous Motor Drives1_Part2 position degrees status magnet degree rotor pole coil magnets angles phase motor axis m2 slot figure slots stater paul note From BERKER BILGIN 95 plays 0
30_Synchronous Motor Drives1_Part1 duration 4 minutes 18 seconds 30_Synchronous Motor Drives1_Part1 30_Synchronous Motor Drives1_Part1	30_Synchronous Motor Drives1_Part1 phase magnets slots flux magnet motor pole direction rotor stator axis linkage poles coils magnitude position phases currents gap air From BERKER BILGIN 96 plays 0