Posts Tagged: TM4

TM4 introduces auxiliary power supply for EV accessories with CAN-based interface

TM4, a subsidiary of public utility Hydro-Québec, is active in the development of EV motors and power systems. Its latest product is the CO150-HVF, an auxiliary power supply for commercial vehicle applications. Based on the same platform as the company’s CO150 traction inverters, the CO150-HVF offers a CAN-based interface that allows dynamic control of frequency… Read more »

Prestolite to supply 250 electric powertrains to Chinese bus manufacturer

Prestolite E-Propulsion Systems (PEPS), a joint venture between Prestolite Electric Beijing and TM4 Inc, has received a multi-million-dollar order from Chinese bus manufacturer Foton for 250 SUMO HD electric powertrains. PEPS has been working with Foton to test its SUMO HD systems over the last 18 months. Prestolite’s TM4 SUMO system is designed for medium-… Read more »

An electric school bus is just the beginning of Québec’s electrification plans

Québec’s Ministry of Natural Resources has awarded Lion Bus Inc. $675,000 (Canadian) for a project to develop an all-electric school bus. The new bus will be based on the 72-seat Class C bus already built by Lion Bus, which features a body made largely of composite materials. With the help of three Québec-based partners –… Read more »

Advancing Inverters

Topping the list of EV inhibitors are cost and consumer perception of long-term reliability of the vehicle. After batteries, power electronics contribute the greatest cost to EVs, when compared to a traditional internal combustion engine (ICE) vehicle. Additionally, inverters and converters are among the most stressed powertrain components.  Increasing inverter performance, reliability, and lifetime –… Read more »