Automotive & Electric Vehicles Report

Electric Motors for Electric Vehicles 2017-2027

Traction motors, motor generators, boost recuperation machines, BSG, ISG for 48V MH, strong hybrid, pure electric, EIV: land, water, air

Electric motor systems will become a market of about $400 billion in 2027
 
Electric Motors for Electric Vehicles: $400 Billion Confusion
What do golf cars and heavy electric trucks have in common? There is still no agreement on the best type of electric motor to use in either of them. On IDTechEx analysis, the booming, confusing traction motor business will rise to around $400 billion in 2027. Its new report, "Electric Motors for Electric Vehicles 2017-2027" navigates the jargon, the design options and, yes, the disagreement. The changing needs and evolving technology are matched to create forecasts and technology timelines based on intensive recent travel and interviews by PhD level analysts.
 
Rotating electric machines REM propel electric vehicles at least some all of the time by land, water and air. In a hybrid the motor may sometimes have to run hotter due to hot engine systems nearby and tougher duty cycles. This affects motor design as do cost-performance compromises for the very different duty cycles and environments experienced by vehicles land, water and air. Off-road vehicle REMs are very different from on-road. The second most expensive part of an EV after the energy storage is typically the REM system including its intimately related motor controller.
 
The report reveals how the REM system is taking a larger share of cost over the years as simpler batteries reduce in cost. By contrast, REM systems are variously being asked to grab regenerative energy, eliminate transmission, provide better speed/ torque characteristics and even form part of the structure such as tucked into the wheel with brake and controller. In hybrids add takeoff. Creeping and active cruising with engine off and start and boost the engine. Crucially, in addition to becoming motor-generators, more REMs are being used per vehicle for reasons explained in the report which has in-wheel forecasts for that form of multi-motor.
 
"Electric Motors for Electric Vehicles 2017-2027" reports that, increasingly, the choice of REM system benefits the unique selling propositions of the vehicle. Where it eliminates the need for a gearbox it can increase range 15%. Extreme power-to-weight ratio REMs are sought for most vehicles.
 
A pure- electric heavy construction vehicle with several quiet REMs appropriately placed may have vectored traction so it can cross roads without damaging them and be legally used indoors and at night time as needed. It may operate implements with improved precision and response time and create electricity instead of heat when the vehicle or the implements brake. Start-stop is smoother. Emissions, acceleration, ride, fuel consumption and autonomy of navigation and energy are improved with better REMs. Emissions are reduced or eliminated. There are chapters on how this all fits in with all vehicles, the technology being fully explained.
 
New business opportunities, new skills
Mechanical parts are rapidly becoming replaced by electrical and electronic ones, creating many new business opportunities. For instance there is a shortage of good designers of motor controllers. The variety of EVs is becoming greater so we now have special coreless motors for the multi-billion dollar market for drones that has arrived from nowhere. Small agricultural robots are being contemplated for agriculture: "elephants to ants" that will change completely the type of REM system required. The new robots mining at the bottom of the sea call for something else completely. The basics are explained from P0 to P4 REM positioning to the merits and popularity of design options from asynchronous to PM, SWM, BSG, ISG and more. Future popularity of in-wheel vs near-wheel and inboard? Axial vs radial flux? It is all here with a full listing of traction REM manufacturers and their typical offerings.
 
The report even analyses 48V mild hybrid motor-generators as well because later versions of these cars, light commercial vehicles and trucks will have brief electric traction modes. They are the lowest cost way of modifying internal combustion vehicle production to stay legal under impending carbon dioxide emissions laws and they give useful fuel saving but the REM is challenging.
 
Ten important trends receive particular attention: Multifunction. Proliferation. Integration. Power increase. Voltage increase. Less metal/ more electronics. New technology preferences. Changed location. Less cooling.
 
It is not all confusing. Quadcopters nearly all have an outrunner PM REM and forklifts are largely hooked on asynchronous motors. Sense is made of the rest through infograms, roadmaps and forecasts.
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Report Statistics

-Pages283
-Forecasts to2027
-Last updateSep 2017
 

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