In Komatsu’s unique hybrid system, the machine’s fast, responsive, swing action is captured by an electric swing motor-generator which regenerates energy as the upper structure slows down and converts it into electric energy. That regenerated energy is stored in the capacitor and can either be used to swing or used by the generator-motor to assist in engine acceleration. The Hybrid system can help to reduce fuel consumption— and emissions — by up to 40%, while operating with substantially less ambient noise.
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Tandem rollers, which are continually braking and changing direction during the asphalt compaction process, are particularly suitable for hybrid technology. BOMAG’s BW 174 AP Tandem Rollers use a hydraulic hybrid drive to store braking energy, which can then be released flexibly during peak loads. The net result is a 20% reduction in fuel consumption and CO2 emissions — with zero loss in performance.
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