Solutions and Principles for Charging Electric Buses

Solutions and Principles for Charging Electric Buses
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Solutions and Principles for Charging Electric Buses

This article first appeared in the Bus-News magazine, Issue 1 2022.

What Solutions Are Available for Recharging My Vehicle?

In Europe, the vast majority of current electric buses are charged with direct current (also called DC). AC buses are more common outside Europe, particularly in China.

Discover all the possible solutions for recharging electric buses with direct current, depending on the different aspects of your vehicle fleet.

Two Types of Connection Solutions: Per Socket and per Opportunity

Electric buses with a battery are powered only by the battery on the vehicle, which provides the energy required. The choice of bus and battery size will depend on the power requirements, electrical energy, distance to be covered, climate, topography of the journey and the chosen recharging infrastructure.

There are two connection solutions for vehicle charging:

  • Plug-in charging (CCS2 in Europe). This connection method represents the traditional energy supply model for the vehicle (similar to refuelling). The user manually connects the charging socket to the vehicle. This type of socket is available on our Comeca chargers, for power ratings of 50 to 160kW.
  • Recharging by opportunity (via a pantograph, dome, etc.) allows much greater power to be conveyed and therefore considerably reduces the vehicle’s charging time. No manual intervention is necessary with this technology: it is the vehicle that warns of its arrival and alerts the charger of its intention to charge. Physical contact is then established between the two systems. This technology can deliver power up to 640kW.

Comeca’s range of electrical recharging solutions responds to these two recharging modes and is adapted to meet our customers’ needs. We assist our customers by studying their projects in order to offer them the most convenient solution. Our charging stations are accessorised to make their use even more ergonomic: brackets, reels and storage devices are just some of the solutions we offer to make the use of our charging stations optimal.

Download the full PDF here.

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