We all acknowledge the absurdity of ignoring an elephant, when one is present in the very room in which important matters are being discussed, but what about a hulking, jacked-up, V8-powered monster truck? Tesla permanently changed the conversation about EVs when it electrified a sporty two-seater, a luxury sedan and a crossover SUV, but few… Read more »
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The technical reasons Tesla would limit supercharging speed, and other practical charging considerations
Recently, a bit of a kerfuffle kicked up when a Tesla Model S owner noticed that the maximum charge rate for his car on the Supercharger network had suddenly been cut from 120 kW down to 90 kW, apparently the result of too many fast charge cycles. Tesla’s explanation was, essentially, that many things can… Read more »
LORD is developing a rotary band brake aimed at automotive thermal management systems
“Any product that uses less power and has high torque in a small package could be of interest to the EV space,” LORD’s Edward Conner told Charged. We were discussing the company’s electromagnetically actuated rotary band brake technology, and we naturally asked a lot of questions about its potential applications for EVs. The core of… Read more »
Carpenter Technology develops a new soft magnetic alloy with key benefits for EV motors
Electrical steels are soft magnetic materials found at the heart of electric motors. They’re typically manufactured in cold-rolled strips, cut into shapes to make laminations and then stacked together to form the stator and rotor of a motor. These specialty steels are tailored to produce certain magnetic properties, and have a magnetic flux density (key… Read more »
Hyundai launches Ioniq with three distinct powertrain choices: EV, PHEV and hybrid
In the short history of the modern EV industry, it’s been common for automakers to launch plug-in cars under a new brand or model – particularly those companies who are serious about selling EVs at scale. Or, at least the ones that want to appear serious about selling a lot of EVs. Even though Hyundai… Read more »
Isolation monitor detects potential electrical hazards during operation
Sendyne’s new SIM100 isolation monitoring safety device is designed to detect potential electrical hazards in electric and hybrid vehicles. The SIM100 module can unambiguously detect the electrical isolation state of a high-voltage system while the system is operating and experiencing large voltage variations. The SIM100 detects both resistive leakages and capacitively stored energy. High-voltage battery… Read more »
Maryland transit authority deploys 3 BYD e-buses
Howard County Transit, a division of the Regional Transit Authority of Central Maryland, has taken delivery of three 35-foot BYD K9S battery-electric buses – the first electric transit buses in the state, according to BYD. An inductive charging station will be installed on the Green Line in downtown Columbia to allow the buses to top… Read more »
Nexperia’s new compact automotive power MOSFET package
Nexperia is offering its automotive power MOSFETs in a new thermally-enhanced, loss-free package with a footprint that it says is 80% smaller than industry-standard devices. LFPAK33 MOSFETs enable the infrastructure that powers contemporary automotive subsystems such as radar and ADAS technology. In the industry, pressure is growing to reduce the size of modules in the… Read more »
Tesla’s chief motor engineer discusses the potential of next-generation motor technologies
Tesla spends a considerable amount of resources on basic research into EV systems – as well it should. EV technology is very young compared to that of ICE vehicles, so it’s safe to assume that, in a few short years, the aggregate of many incremental technology advances could lead to significantly better EVs. Of course,… Read more »
NH Research raises the voltage of its battery test systems
NH Research has released a higher-voltage, higher-power version of its single-channel 9210 series battery test system. The 9210 Series provided a 12 kW power module operating at 40, 120 or 600 Volts, which allowed paralleling with similar systems to increase the power. The new 9300 system provides a 100 kW power module with a software-selectable… Read more »