CHOPPER FED DC MOTOR DRIVE
12:08:00
download matlab file (.m)
download schematics
download graph output in .pdf
AIM
Simulate a chopper fed dc motor drive using simulink
PRINCIPLE
A dc motor fed by dc source through a chopper which consist of gto thyristor and free wheeling diode D.The motor drive mechanical load characteristics by inertia “J”.Friction coefficient “B” and load torque TL.The motor uses the descrete dc machine provided in the machine library.The hysteresis current controller compares the sensed current with reference and generate the trigger signal for the gto thyrister to force the motor current to follow the reference. The speed controller loop uses a propotional integeral controller loop which provides the reference for the the current loop
PROCEDURE
• Open the matlab window
• Select ”simulink”icon from the window
• Simulink library browser will appear
• Select “new model”from the file menu
• Select all the functional blocks required from the various libraries and copy them to the new model
• Connect the blocks according to the block diagram
• Select the parameters of various blocks according to requirements and initialize the model property
• Select the discrete state in the configuration parameters
• Simulate the completed block diagram and analysis the performance using the wave forms obtained using a “scope”
• Save the file using .mdl extension
RESULT
Chopper fed dc motor drive was simulated using simulink and wave forms were obtained
download matlab file (.m)
download schematics
download graph output in .pdf
download matlab file (.m)
download schematics
download graph output in .pdf
AIM
Simulate a chopper fed dc motor drive using simulink
PRINCIPLE
A dc motor fed by dc source through a chopper which consist of gto thyristor and free wheeling diode D.The motor drive mechanical load characteristics by inertia “J”.Friction coefficient “B” and load torque TL.The motor uses the descrete dc machine provided in the machine library.The hysteresis current controller compares the sensed current with reference and generate the trigger signal for the gto thyrister to force the motor current to follow the reference. The speed controller loop uses a propotional integeral controller loop which provides the reference for the the current loop
PROCEDURE
• Open the matlab window
• Select ”simulink”icon from the window
• Simulink library browser will appear
• Select “new model”from the file menu
• Select all the functional blocks required from the various libraries and copy them to the new model
• Connect the blocks according to the block diagram
• Select the parameters of various blocks according to requirements and initialize the model property
• Select the discrete state in the configuration parameters
• Simulate the completed block diagram and analysis the performance using the wave forms obtained using a “scope”
• Save the file using .mdl extension
RESULT
Chopper fed dc motor drive was simulated using simulink and wave forms were obtained
download matlab file (.m)
download schematics
download graph output in .pdf
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