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PluginIndia Electric Vehicles

Electric Vehicle Motors: The Next Big Thing

23/1/2019

2 Comments

 
by Dr Peter Harrop, Chairman, IDTechEx
Electric Vehicle motors have lasted for over 100 years and their design has changed slowly. During the last few years they have been subject to rapid technology change and they are also part of an acquisition frenzy. What is going on? The new IDTechEx report explains and - in over 30 ten-year forecasts and roadmaps - predicts.
Firstly, the numbers are awesome. The electric vehicle business is entering the rapid growth part of the sigmoid growth curve of most major new technologies. It is headed to create a $100+ billion traction motor business in 2029. Make it double that if you include the units in which the motors are increasingly integrated, such as wheels, axles or transmission.

Premium pricing is increasingly possible because the motors not only become motor generators much of the time - they make new things possible. For example, going beyond four-wheel drive to vectored steering stops construction and agricultural vehicles ripping up roads and makes them smaller, lower cost and more capable, increasing sales.

Up to 20 motor-propellers on aircraft wings exploits the new principle of "distributed thrust" so the wing can be half the size or take off using half the distance. Multicopters planned for air taxis are notoriously inefficient and flying ones with only 30 minutes' endurance over a city is just plain irresponsible, but large numbers of thrusters close together reduces the deficit against a helicopter. The Nikola fuel cell truck has six in-wheel motors, so it has superb traction and does not rip the tires off when accelerating - similar logic to the Tesla S adding a second motor. ​
Picture
The Pipistrel WATTsUP is an electric aircraft with 85 kW electric motor that weighs just 14 kg
Yes, the proliferation of motors, including in military boats and off-road transport for attack survival, means the motor market is growing even faster than the EV market.

Secondly, prices are often rising. You cannot buy a starter-motor-generator for the 17 million unit market for 48V mild hybrid trucks and cars in 2029 for the same price as a simple single motor. Indeed, some of these vehicles will have two! You cannot buy four in-wheel motors for the cars recently announced if you want to pay the price of one inboard motor.

Thirdly, there is an acquisition frenzy and it has a pattern. With many vehicle makers, from Toyota to the small Zero Motorcycles, making their own motor-generators as key enabling technology, the Tier One component suppliers are often faced with stark consequences from their inadequate R&D. From buying broad range motor makers such as Remy, they are now targeting specific up and coming technologies. What do acquisitions SR Drives, CPT and Visedo have in common with Tesla making its own motor for the Tesla 3? They all involve switched reluctance, potentially the lowest cost, most rugged motor-with-control. It has size and performance advantages over other ways of avoiding permanent magnet price hikes and temperature limitations. Yes, some have some small magnets for now, but the point is made.
Picture
The Nikola fuel cell truck has six in-wheel motors
So why do motors die so soon in many applications compared to those 100 year old electric boats? Tough duty cycles and they are getting tougher. For example, huge drones up for ten years beaming the internet will not only need 20kW/kg motors as the report details, they will need incredibly reliable motors as will tethered drones generating megawatts from high level winds. Billions of dollars of investment is going in: premium pricing awaits. Just the same as the monster unmanned trucks in totally automated deep mines this year. The new IDTechEx report, "Electric Motors for Electric Vehicles: Land, Water, Air 2019-2029" reveals which motor technology innovators will be the next targets of those urgently seeking to catch up and why.

​
For more see www.IDTechEx.com/Motors or contact the IDTechEx Research team at research@IDTechEx.com.
2 Comments
Euclion energy link
24/6/2019 03:52:39 pm

very informative blog.Thanks for sharing valuable information.

Reply
dishansomani link
13/7/2022 09:25:54 am

i have read article helpful information share you and using electric vechile are using electric moter using svitch csr 762 Electric bike
electric vechile are nice and more info visit the website

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