Hyster, a US manufacturer of forklifts and materials-handling equipment, has agreed to provide 10 battery-powered terminal tractors to shipping company APM Terminals at its location in Port of Mobile, Alabama. The tractors are part of APM’s $60-million investment in port equipment electrification pilots, and are scheduled to be delivered this year. Each has a 182,000-pound… Read more »
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A closer look at inductors and chokes In EVs
Traction motors and transformers are the magnetic components that seem to get all the attention, but the humble inductor/choke is just as critical a component in modern power converters, and it has surprisingly profound effects on performance, reliability and cost. Another temptation for the bewildered design engineer (or one that is just short on time—but… Read more »
Rocsys launches integrated platform to enable hands-free charging for autonomous mobility
Hands-free charging specialist Rocsys has announced the launch of the Rocsys Platform, an integrated solution that combines hardware, intelligent software and proactive support to simplify and scale hands-free charging for autonomous mobility. Designed to meet the demands of 24/7 autonomous operations, the Rocsys Platform is designed to ensure that electric vehicles are always charged, connected… Read more »
Electronic fuses and the evolution of overcurrent protection
An old saw often uttered by an electrical engineer (or their hapless techs) when an electronic device releases its magic smoke goes something like this: “The transistor bravely sacrificed itself to protect the fuse.” This is a succinct way of saying that conventional fuses (and most types of circuit breakers) shouldn’t be counted on to… Read more »
New technology platform pinpoints EV battery hotspots
Sponsored by Littelfuse. New technology platform enhances the performance and lifespan of EV batteries. Lithium batteries offer the highest power density compared with other battery chemistries. Lithium batteries can store more energy in a smaller, lightweight package than any other type of battery. As a result, Lithium-based batteries are the battery type of choice for… Read more »
How to improve EV traction motor efficiency
A look at improving motor efficiency in two main categories: electrical and mechanical. Regular readers of Charged don’t need to be told that the typical EV drivetrain is way more efficient from battery to wheels than its ICE-based equivalent, but it is perhaps less well-known that the approximate drivetrain efficiency ranges from 75-90% for the… Read more »
Capacity Trucks unveils new battery-electric terminal truck
American truck maker Capacity Trucks, a subsidiary of REV Group, introduced its lithium-ion-powered terminal truck at the ACT Expo in Anaheim, California. The truck is designed for port, intermodal and distribution/warehouse use. It is equipped with a Hyster-Yale powertrain and either a 130 kWh or 260 kWh battery. It is expected to operate over a… Read more »
How to measure EV current and voltage in confined spaces
Sponsored by CSM For tests drives of electric vehicles, high-frequency currents and voltages must be measured in the high-voltage vehicle electrical system. The installation options for the necessary measurement equipment can be very limited due to confined installation spaces. This example shows how currents and voltages can nevertheless be measured with high sampling rates, HV-safe… Read more »
The ideal fluid control valve for EV thermal management
Sponsored by TLX Technologies The increasing demand for EVs are driving design teams to search out innovative fluid management solutions for EV thermal management applications. Unlike internal combustion engines, which have relatively simple cooling systems, EV cooling systems must be able to manage multiple heat sources and sinks, each with specific optimal operating temperatures and… Read more »
Wildcat develops new device to measure battery electrode thickness during cycling
Wildcat Discovery Technologies, a creator of high-throughput methods to rapidly design new battery materials, has developed a new Linear Displacement Measurement (LDM) Device that measures small thickness changes in pouch cells during cycling. Developed in partnership with BMW, Wildcat’s LDM capability allows new cell performance feedback as parts of projects with its collaboration partners. Measurements… Read more »
