The market for electric vehicle inverters, both hybrid and pure electric, will grow from around
Every electric vehicle needs at least one electric traction motor, many have two or more, and each traction motor requires an inverter to power it. The market place for electric vehicle inverters is both varied and dynamic. Inverter sizes range from a few hundred watts to several hundred kilowatts and span electric vehicle applications from electric cycles to passenger vehicles to commercial and military vehicles, all of which are expanding at unprecedented rates.. This wide market place provides scope for players to participate in the general market place and in niche areas, and indeed there no providers of inverters who cross the complete range of electric vehicles.
For sheer volumes, inverters in light electric vehicles such as electric bicycles dominate now and will remain so by 2023, with these being largely in
The wide range in power and performance requirements, from small low voltage inverters used in electric scooters to large high power inverters used in hybrid and electric trucks, buses and military vehicles, creates a huge emerging market space and set of market requirements and thus an opportunity for large number of suppliers of electric vehicle power electronic systems and components to supply demand, and no real possibility of dominance by one provider.
The user demand for greater all electric range will push inverter and converter designers to optimise overall system efficiency. This, together with the requirement to reduce overall package size and system cost will result in the adoption of new materials and control algorithms and undoubtedly require a move towards higher levels of system integration.
Advances in inverter design for electric vehicles are driven by several key technologies, including power device materials, power capacitors and cooling technologies. These will assist in the realisation of step changes in performance, size and reliability over the next decade with materials such as Silicon Carbide and Gallium Nitrate among the most notable. These are unlikely to be in commercial high volume electric vehicle applications until much later in the decade due to issues around packaging and reliability. However, the benefits they offer indicate that they will be the most likely devices of choice by 2023. This report details state of the art in inverter design and highlights these technology trends.
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