Module Description

Module 1: Power flow in an EV

Module Description:
Overview of the different sub-systems of the EV powertrain, and the power-conversions involved.

Concepts Covered:

• Electrical to Mechanical
• Mechanical to Electrical
• DC to AC
• DC to DC
• AC to DC

Learning Outcomes:
Appreciation of the importance of power conversion in the EV powertrain

Applications of this Module:
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Module 2: The building blocks

Module Description:
The “bricks” of power electronic circuits and their characteristics

Concepts Covered:

• Resistors
• Inductors
• Capacitors
• Potential Dividers, Pull-up and Pull-down
• Filters
• Diodes
• Active Switches

Learning Outcomes:
A grasp of the foundational components that make up power electronic circuits.

Applications of this Module:
The learner is primed to appreciate how these components are combined to achieve different outcomes of power conversion

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Module 3: Power in DC and AC

Module Description:
Understanding of power, and how it plays out in DC and AC circuits

Concepts Covered:

• Transient response of R, L and C
• Power Loss in Semiconductor Junctions
• Single-phase AC, Power Factor
• Three Phase AC: Star and Delta
• Pulse Width Modulation
• Harmonics

Learning Outcomes:
A grasp of how basic components can be combined to deliver different manifestations of power

Applications of this Module:
Ability to control power circuits by timing the switching of power

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Module 4: Rectifiers and PFC

Module Description:
Conversion of AC to DC, power factor correction (PFC)

Concepts Covered:

• Half-wave and full-wave rectification
• Ripple control
• Power Factor Control
• Pulse Controller

Learning Outcomes:
Ability to convert AC power into low-ripple DC, without loading the input side with unfavourable power factor

Applications of this Module:
AC chargers

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Module 5: DC-DC Converters

Module Description:
Conversion of DC power from one voltage to another, to cater to different sub-systems

Concepts Covered:

• Volt-sec balance, Charge balance
• Analysis and design of Buck/Boost Converters
• Design Walk-through
• Sepic Converter
• Isolated Converters

Learning Outcomes:
Ability to source power from a single DC source and supply it at different voltages matched to the needs of other sub-systems

Applications of this Module:
DC converters that cater to the varied power needs of different circuits and components in the system

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Module 6: Inverters

Module Description:
Conversion of DC power to AC

Concepts Covered:

• Hex-bridge converter
• VVVF converter for motors
• Design Walk-through
• Grid Tied Inverter

Learning Outcomes:
Drawing power from a DC store (battery) to supply AC output in the form of single or three phase power

Applications of this Module:

• Three-phase power for motors
• Single-phase power to push into the grid

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Module 7: Current trends

Module Description:
Emerging technologies in power electronics

Concepts Covered:

• V2G, V2A, V2V
• Multi-level convertor
• X-in-1 Convertor including OBC
• Wireless Charging

Learning Outcomes:
Overview of novel developments in the domain

Applications of this Module:
Expanding envelope of application areas in power conversion