Electric Vehicle News

New designs for compact power converters in EV charging applications  (Webinar)

New designs for power converters demand compact, high power density components and are increasingly using higher switching frequencies. This has become a real challenge for magnetic component designers to overcome the extra losses created by large air gaps necessary for transformers and resonant inductors, those related to fringing effect.

Join this webinar at next week’s Virtual Conference on EV Engineering, presented by Prax Power, where we will introduce key rules and considerations for the design of such transformers and resonant inductors.

Multi-gap technology has been developed by PRAX to reduce winding AC losses. It allows a large air gap to be evenly distributed on a toroid to minimize fringing effect by splitting the gap into smaller gaps.

The use of multigap (XGAP TM) technology allows for the creation of cost-effective solutions with maximum power density thanks to the reduction of core volume around 30%, while overall size reductions up to 20%. Mutigap technology also minimizes losses and offers optimal heat dissipation of windings in all type of cooling systems. All of these advantages match the requirements of magnetic components in EV charging applications.

Reserve your spot—it’s free!

Engwe M20 review: A full-suspension 1,000W electric moped for a budget price

The Engwe M20 electric bike looks like another SUPER73 knockoff. And it is. But the bike also has two things going for it: It has an option for a second battery pack to double its range, and it also offers full suspension for less than the price of a non-suspension SUPER73.

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The post Engwe M20 review: A full-suspension 1,000W electric moped for a budget price appeared first on Electrek.


Source: Charge Forward

Hyundai develops an automatic charging robot for EVs

Hyundai Motor Group has developed an automatic charging robot (ACR) for EVs, able to operate reliably in all environments, regardless of charger location, weather and potential obstacles.

The ACR for EVs is a one-arm robot capable of plugging a cable into an EV’s charging port by using control technology applied by a 3D-camera-based AI algorithm. It can also remove the cable once charging is complete.

The ACR has received a waterproof and dustproof grade of IP65. Engineers have installed a safety pole with a built-in laser sensor around the robot to prevent possible accidents by enabling it to detect stationary and moving obstacles.

“The ACR will help to make EV charging easier and more convenient, especially in dark environments,” said Dong Jin Hyun, Head of the Robotics Lab at Hyundai. “It will also improve accessibility, particularly for people with mobility barriers, as charging cables become thicker and heavier to enable high-speed charging.”

Two Volvo FH Electric trucks to operate in Swedish mines

Volvo Trucks and Swedish mining company Boliden have teamed up to implement electric truck transport in underground environments.

Exhaust gases from diesel vehicles are responsible for most of the carbon dioxide emissions from Boliden’s mines. The company is committed to reducing its CO2 emissions by 40% by 2030, in which the electrification of transport is expected to play a critical role, according to the company.

According to the agreement, two heavy Volvo FH Electric trucks will be used in Boliden’s Kankberg mine outside Skellefteå in northern Sweden. The first truck will be used to transport rock bolts and other equipment into the mine and will be put into service in 2023. Based on the experience with the first truck, another one will later be put into operation and used for the underground transport of rock and ore.

If all trucks in the mine were to be electric, the CO2 emissions from the mine could be reduced by more than 25%, says the company.

“This is an exciting collaboration in a tough environment; steep slopes, heavy loads and humid air that wears on the vehicles,” says Jessica Lindholm, project manager at Volvo Trucks. “The collaboration with Boliden will give us valuable knowledge about the performance of electric trucks when driven underground, and provide insight into how the driveline and batteries are affected.”