power electronics, drives and control
DESCRIPTION
Info in brief regarding Motor Drives!TRANSCRIPT
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Power Electronics, Drives and control
BY : • KIRAN PURANIK• YOGESH TAMHANE
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Way of journey… Introduction to power electronics Introduction to motor drives Secrets of motor drives Types of motor drives “Smart” baby motor drives References
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Power Electronics? Power electronics = High Power
Utilities Relates to control of flow of current. Scope of power electronics: milliwamtts
⇒ Gigawatts Main motive is efficiency. Some power electronics device
Mercury arc tube Rectifiers, etc.
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Power devices requirements High switching speed Minimum losses High on state current High off state voltage Low noise
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Power Devices
Power Device
s
Diodes
FETs
IGBT
Transistors
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Motor drives? It is device to control:
Speed Direction Torque
Motor Drives Component: Diodes Thyristor family devices
Over all optimizes performance.
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Motor Drive Schematic
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Basic Classification
AC Drives
• When The Power Supply is AC
DC Drives
• When The Power Supply is DC
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MOTOR DRIVES: TYPES
MOTOR DRIVERS
UNIVERSAL MOTOR DRIVE
AC UNIVERSAL MOTOR DRIVE
DC UNIVERSAL MOTOR DRIVE
HIGH FREQUENCY PWM UNIVERSAL
MOTOR DRIVE
BRUSHED DC MOTOR DRIVE
SINGLE SWITCH CHOPPER DRIVE
FULL BRIDGE CONVERTOR DRIVE
SINGLE PHASE INDUCTION MOTOR
DRIVE
BIDIRECTIONAL
INDUCTION MOTOR DRIVE
MULTIWINDING ON OFF MOTOR DRIVE
PHASE CONTROLLED
INDUCTION MOTOR DRIVE
HIGH FREQUENCY PWM INDUCTION
MOTOR DRIVE
THREE PHASE INDUCTION MOTOR
DRIVE
SCALAR V/F DRIVE
VECTOR DRIVE
STEPPER MOTOR DRIVE
UNIPOLAR STEPPER MOTOR
DRIVE
TWO PHASE BIPOLAR STEPPER
MOTOR DRIVE
MULTI PHASE BIPOLAR STEPPER
MOTOR DRIVE
SWITCHED RELUCTANCE MOTOR DRIVE
ASYMMETRICAL HALF BRIDGE PWM
DRIVE
SIMPLIFIED ASYMMETRICAL
HALF BRIDGE PWM DRIVE
BRUSHLESS DC PMSM MOTOR
DRIVE
SCALAR DRIVE
VECTOR DRIVE
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Speed Control
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Speed Control
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Direction Control
S1 S2 S3
S4 Function
1 0 0 1 Motor rotates in one direction
0 1 1 0 Motor rotates in opposite direction
0 0 0 0 Motor free runs (coasts)
0 1 0 1 Motor brakes1 0 1 0 Motor brakes
H-Bridge Circuit
Truth Table
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AC Universal Drive
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DC Universal Motor Drive
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High Frequency PWM Universal Motor Drive
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Single Switch Chopper Drive
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Full-Bridge Convertor Drive
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Bidirectional Induction Motor Drive
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Multi-Winding On/Off induction Motor Drive
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Phase-Controlled Induction Motor Drive
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High Frequency PWM Induction Motor Drive
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Unipolar Stepper Motor Drive
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Two-Phase Bipolar Stepper Motor Drive
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Multi-phase Bipolar Stepper Motor Drive
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“Smart” Baby Motor Drive
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Driver ICs H-Bridge ICs.:
L293/L293D L298
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Programmable Motor Drives
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Programming Assembly
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Conclusion Thus, the operation of any Drive can be
studied by observing it’s basic circuit. The new inroads into development of an
IC chip instead of a bulky drive circuit has improved cost- efficiency of the system.
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References Websites:
www.wikipedia.org www.st.com www.haydonkerk.com
Books: 1 2 3
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THANK YOU ALL
For Your Precious Time!