Q1. An MRI (Magnetic Resonance Imaging) system requires precise field control It is strong magnetic. In this example, it is controlled from a single-phase bridge rectifier from a single source 60 Hz is powered by 2000 V peak, we use. Connect the magnetic model Assume the inductance series 0.5 Hand the resistance 2.5 Q. Assuming that steady state current is required Magnet A 400 A) Find the angle of fire delay. B) What is the minimum time required to reduce the magnetic current to zero?

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Q1. An MRI (Magnetic Resonance
Imaging) system requires precise
field control It is strong magnetic. In
this example, it is controlled from a
single-phase bridge rectifier from a
single source 60 Hz is powered by
2000 V peak, we use. Connect the
magnetic model Assume the
inductance series 0.5 Hand the
resistance 2.5 Q. Assuming that
steady state current is required
Magnet A 400
A) Find the angle of fire delay.
B) What is the minimum time
required to reduce the magnetic
current to zero?
Transcribed Image Text:Q1. An MRI (Magnetic Resonance Imaging) system requires precise field control It is strong magnetic. In this example, it is controlled from a single-phase bridge rectifier from a single source 60 Hz is powered by 2000 V peak, we use. Connect the magnetic model Assume the inductance series 0.5 Hand the resistance 2.5 Q. Assuming that steady state current is required Magnet A 400 A) Find the angle of fire delay. B) What is the minimum time required to reduce the magnetic current to zero?
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