Product Announcement: Proterra Power Control Systems


Proterra introduced new high-power charging options this week to make a 100%-electric bus fleet more achievable. The Silicon Valley-based developer of heavy-duty battery electric vehicles and charging systems is offering a suite of high power DC chargers.

As cities, counties, and transit agencies throughout North America announce ambitious zero-emission fleet goals, the development of universal technology standards is required to accelerate the transition, Proterra says. The company is working to promote interoperability across technology platforms so all of their buses utilize the SAE J1772 CCS (IEC Type 1) standard for plug-in charging, and newer models of Proterra Catalyst vehicles will be fully compatible with the emerging SAE J3105 standard for overhead charging.

The three new Proterra Power Control Systems range from 60 kW to 500 kW and are compatible with J1772 CCS plug-in as well as J3105 inverted and roof-mounted overhead charging systems, the company says. The chargers also utilize Open Charge Point Protocol (OCPP 1.6), which is considered the industry standard for communication.

Proterra’s charging systems are capable of bi-directional, vehicle-to-grid power flow, enabling the chargers to be smart-grid ready to maximize the energy management capability of an entire bus fleet, according to the company. “Powering up a Catalyst bus is now as simple as connecting to a Proterra charger or other standards-based charging system,” Proterra says. Earlier this year, Cleantech Group named Proterra the North American company of the year on its annual Global Cleantech 100 list.

The company is collaborating with Schunk Carbon Technology, an international developer of overhead charging hardware for battery-electric vehicles, to introduce the new systems to its customers.

“We’ve had strong traction in Europe to date equipping the largest electric bus fleet with our roof charging pantograph technology,” said Robert Averkamp, the president of Schunk Carbon Technology US. “We’re thrilled to collaborate with Proterra and bring large-scale fleet charging for electric vehicles to market in North America.”

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