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Volvo Buses

Short facts

Passenger capacity:
Max 95
Engine:
Volvo MD5 diesel engine and electric motor

This is how it works

Lithium ion batteries
The Volvo 7700 Hybrid has active temperature controlled lithium ion battery cells, with individual cell charge control. This results in reliable and efficient energy storage. Volvo Buses’ lithium ion battery is known for its high energy storage capacity, low weight and low environmental impact. It is optimised so that the hybrid can run everywhere, regardless of climate. There is no scarcity of lithium and it can be exploited with low environmental impact.

Electric motor/generator
I-SAM (Integrated Starter Alternator Motor) is a permanent magnet motor running on alternating current. It also functions as a generator.

Energy converter DC/DC
The energy converter provides conversion from 600V/24V 7.5 kW.

Transmission
The close ratio Volvo I-Shift automatic gear-changing transmission has software that interacts with the hybrid system and is optimised for city and commuter traffic.

Powertrain Management Unit (PMU)
The brain of the system is an electronic control module that regulates engagement and disengagement of electric and diesel power, as well as gear-changing modes and battery recharging.

Diesel engine
Fuel efficient 4-cylinder, 5-litre Volvo D5E diesel engine, producing 210 hp. Installed vertically in the left rear corner, just as in the rest of the Volvo 7700 range.

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