Electric Motor
Elliot Butterfield-Gill
Created on May 9, 2022
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Transcript
Pathway to Electrification
Electric Motors
DC Motors
AC Motors
- Energy created from the creation of a magnetic field
- Uses alternating current
- Two Varients
- Synchronous
- Motors rotation matches the supplied current
- Induction (Most common)
- Two electrical sub-assemblies, stator coils, and rotor
- Advantages
- Torque and speed control by altering the alternating current frequency
- Efficient transmission of power along with large distances of wire
- Variable current helps reduce overheating
- High power output
- Long lifespan and low chance of failure
- Quiet
- Smooth
- Multiple phase varients
- Single, three
- Has the ability to direct power
- Regen battery charging
- Disadvantages
- Slow responces to load changes
- Requires invertor
- Applications
- Most commonly found in electric vehicles
- High speed low torque
- Power directly from DC power source
- Two Varients
- Brushes
- The charge and polarity of brushes control the direction and speed
- Brushless
- Magnets mounted around the rotor
- Specialize circuitry to control speed and direction
- Advantages
- Speed control
- Produces high torque
- Efficient
- Fast response to load changes
- Simple installation and maintenance
- Suitable for small electronics (i.e. circuit boards, sensitive electronics)
- Low electromagnetic interference
- Cost-effective
- Compact packaging
- Disadvantages
- Made up of multiple components
- Single phase
- High torque low speed
- Prone to overheating
- Applications
- Used in smaller electric vehciles i.e. forklifts
Pathway to Electrification
Electric Motors
DC Motors
AC Motors
- Energy created from the creation of a magnetic field
- Uses alternating current
- Two Varients
- Synchronous
- Motors rotation matches the supplied current
- Induction (Most common)
- Two electrical sub-assemblies, stator coils, and rotor
- Advantages
- Torque and speed control by altering the alternating current frequency
- Efficient transmission of power along with large distances of wire
- Variable current helps reduce overheating
- High power output
- Long lifespan and low chance of failure
- Quiet
- Smooth
- Multiple phase varients
- Single, three
- Has the ability to direct power
- Regen battery charging
- Disadvantages
- Slow responces to load changes
- Requires invertor
- Applications
- Most commonly found in electric vehicles
- High speed low torque
- Power directly from DC power source
- Two Varients
- Brushes
- The charge and polarity of brushes control the direction and speed
- Brushless
- Magnets mounted around the rotor
- Specialize circuitry to control speed and direction
- Advantages
- Speed control
- Produces high torque
- Efficient
- Fast response to load changes
- Simple installation and maintenance
- Suitable for small electronics (i.e. circuit boards, sensitive electronics)
- Low electromagnetic interference
- Cost-effective
- Compact packaging
- Disadvantages
- Made up of multiple components
- Single phase
- High torque low speed
- Prone to overheating
- Applications
- Used in smaller electric vehciles i.e. forklifts