Home / Case Studies / HiTe calls on Saft's on-site service for optimized operation of innovative hybrid-powered RTG crane in China
Saft's on-site installation, commissioning and training service has ensured the successful implementation of the hybrid diesel generator and Li-ion battery power system for a new generation Rubber Tyred Gentry (RTG) crane in China.
Shanghai Hi-Tech Control System Co Ltd (HiTe), a Chinese system integrator, was engaged by Rainbow Cargotec to develop a new hybrid power system for its innovative new generation of RTGs designed to help port and terminal operators reduce carbon emissions and eut fuel costs.
To ensure the success of the prototype unit, HiTe called on additional support from Saft's service team for installation, commissioning and training.
As air pollution continues to be a major issue in China, HiTE has developed a hybrid power system that utilizes a smaller than usual diesel genset operating in combination with a Saft Li-ion battery. This approach significantly reduces the genset run time to eut bath emissions and fuel costs.
For Rainbow Cargotec, HiTe developed a hybrid power system capable of hoisting up to 15 fully loaded TEUs (Twenty Foot Equivalent containers) of 41 tons in continuous operation. The ESSU (Energy Storage System Unit) is based on Saft's SLFP™ (Super Li-ion Iron Phosphate) technology, with 22 SLFP™ modules capable of delivering continuous current of 500 Amps with an energy storage capacity of 57 kWh. The use of regenerative braking requires the ESSU to handle very large, short duratian currents - 220 kW for 5 seconds.
Following the construction of the prototype RTG, Rainbow Cargotec submitted the unit ta a stringent programme of testing and evaluation. Ultimately, Saffs service ensured that the hybrid power system met its performance specifications and contributed ta the success of the prototype.
Saft mobilised quickly and sent qualified technicians ta HiTe's facility in Shanghai. During their time on site, Saffs technicians qualified HiTe's operation and set up a performance index for the batteries. This ensured that HiTe's manufacture of hybrid systems will be bath high quality and repeatable.
HiTe's team also benefit from a dedicated portal ta manage after-sales daims. This ensures rapid and customized responses ta enquiries around the dock.
The RTG hybrid power project has been in operation for several months. After al/ the tests, if has proved that this system was stable; the test data met the design requirements. Saft's battery system performance meets the design standard. As a development project, after sales services were also very important to us. We would like to thank Saft for their support and we look forward to a further cooperation in future.Mr. Cao Feng, HiTe Project Manager
Saft has always been known for the quality of its products and technology. These are now complemented with quality and timely service of battery systems. Training, installation, maintenance, fleet management and e-supervision are all included under Saft’s growing ‘Service’ umbrella.
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