Hydraulics

Decoupling the Future of Electrification

Decoupling the Future of Electrification Reach Stacker Mobile Systems Division EuropeWhen it comes to mobile heavy lifting applications, we are increasingly seeing that the electrification market can benefit from integrated, decoupled solutions. These solutions offer an alternative to inefficient coupled power distribution strategies where the internal combustion engine (ICE) is sized for peak energy demand with no energy storage or recovery capabilities. As a result, decoupled power distribution concepts can improve efficiency considerably and allow the employment of smaller, more fuel-efficient ICEs, or even the removal the ICE altogether.

With electrification delivering environmental, sustainability and performance benefits, equipment designers and users are increasingly looking to tap into the enabling technology. If successful, they can also expect to profit from better maintainability, greater safety and compliance with more stringent emissions regulations.

 

Decoupled solutions

Decoupled solutions add to this list of benefits, not least regarding the potential for a smaller ICE, or eliminating it altogether. In addition, there are advantages relating to energy recovery, power on/off demand and the operation not being dependent on the ICE speed, or torque.

Among the market’s prominent solutions in this area is Parker’s Electro-Hydraulic Pump System (EHPS) for mobile motion system applications. We’ve purposely designed this type of integrated system to provide customers with energy cost savings of up to 50 percent.

The key point here for discerning engineers is that this development has addressed a notable market need for decoupled loads and power distribution. Such a design concept provides enhanced engine management whereby energy storage and recovery functions can be introduced. Furthermore, the size of the drive system can be matched perfectly to requirements, giving power on demand, eliminating any waste and capturing returned energy on load lowering.

Decoupling the Future of Electrification mobile equipment Mobile Systems Division Europe

 

Elsewhere, EHPS also proved successful in a hybrid electric reach stacker developed by a key OEM, which again demonstrated fuel savings (30 percent) and productivity improvements with faster responses in lifting, lowering and driving. In addition, maintenance was made easier due to the system’s modular design and self-diagnostic capabilities. In this application, it is predicted that up to 100 tonnes fewer CO2 emissions will be generated based on 5000 hours running time per year.

 

Decoupling the Future of Electrification diagram Mobile Systems Division Europe

 

Conclusion

Ultimately, energy recovery via electrification will, of course, allow longer equipment usage. Crucially, however, this technology will permit customers to satisfy the requirements of the emerging environmental and emissions regulations.

For those worried about risk or ease of adoption, Parker recently unveiled a state-of-the-art electrification system development and validation facility in Warwick, UK. Using the flexibility of high power density, programmable EHP’s (Electro-Hydraulic Pumps), the new facility is able to replicate a large range of loading and duty-cycle profiles, while monitoring system efficiency, energy usage, and concept performance. 

Learn more about Parker's Electro-hydraulic pump system and the benefits it can bring to your project.

 

 

Decoupling the Future of Electrification James Playdon engineering marketing manager, Parker Hannifin CorporationArticle contributed by James Playdon, Engineering & Marketing Manager, Parker Hannifin

 

 

 

 

 

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