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May 05, 2024
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HEV 2040 - Power Inverter Systems
Clock Hours: 83
Delivery Mode
on-ground
Course Description:
This is a study of how the power inverter uses frequency, voltage level and type of waveform to control the speed and torque of an electric machine. Also the study of the various sensors on a Hybrid or Electric vehicle used to control electrical energy.
Student Learning Outcomes:
- Power Inverter Systems
- Identify common locations for power inverters
- Identify the types of transistors used in power inverters
- Explain why current sensors are used for power inverters
- List the different waveforms used to control an electric machine
- Describe how sine and six-step waveforms are created
- Demonstrate how to calculate rotor frequency and motor speeds
- Describe the operation of a DC brush-type motor
- Explain why power inverter boosting is used
- Describe the operation of a six-pack motor drive system
- Describe the operation of the regenerative braking system
- Electric Propulsion Sensing Systems
- List the types of speed (or RPM) sensors used with electric machines
- Describe the operation of resolver, encoder, and proximity sensor systems
- Explain why at least two current sensors must be used in a 3 phase power inverter
- Describe the design of the throttle position sensors
- List several other vehicle sensors that are used as inputs to control an electric propulsion system
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