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xxx 2012-09-06

IMTS 2012: IndraDrive power supply offers performance with less energy consumption

IMTS 2012: IndraDrive power supply offers performance with less energy consumption

The intelligent energy management of the IndraDrive power supplies with Smart Energy Mode avoids peak loads on the mains side and reduces losses in the mains connection line.

Rexroth’s IndraDrive power supplies with smart energy mode combine various approaches for intelligent energy management.

The IndraDrive M modular drive system offers both feeding and feeding/regenerating power supplies for single-axis and double-axis inverters. They provide the individual drives with DC bus voltage. This way they regain brake energy when the engine switches to generator mode.

The feeding supply unit saves this energy in DC bus capacitors. Because of the unregulated DC bus voltage that is inherent to the functional principle, a high voltage range is available to these types of devices.

Feeding/regenerating supplies take advantage of a regulated DC bus voltage, for example, to ensure the same level of machine performance independent of the supply voltage that may differ from region to region. Here, the brake energy is first fed back into the mains and then procured again from the mains during the next acceleration process. In case of peak performances that are required, for example, for highly dynamic and cyclic start-stop applications the mains will also experience high pulse loads.

The intelligent energy management of the IndraDrive power supplies with smart energy mode combines the benefits of either variant. The regulation ensures a mains-voltage independent DC bus voltage while at the same time using the capacitors as energy storages. This way, peak loads are avoided on the mains side and losses in the mains connection line are reduced. The result is reduced energy consumption, improved grid compatibility and the use of smaller components at same machine performance levels. Rexroth provides an intelligent energy management for the entire performance range of the IndraDrive M series.

For a list of specifications as well as available features and accessories please visit

In the U.S., Canada and Mexico, the Bosch Group manufactures and markets automotive original equipment and aftermarket products, industrial drives and control technology, power tools, security and communication systems, packaging technology, thermotechnology, household appliances, solar energy, healthcare telemedicine and software innovations. Having established a regional presence in 1906, Bosch employs over 22,500 associates in more than 100 locations, with sales of $9.8 billion in fiscal year 2011, per preliminary figures. For more information, visit

The Bosch Group is a leading global supplier of technology and services. According to preliminary figures, more than 300,000 associates generated sales of 51.4 billion euros ($71.5 billion) in the areas of automotive and industrial technology, consumer goods, and building technology in fiscal year 2011. The Bosch Group comprises Robert Bosch GmbH and its more than 350 subsidiaries and regional companies in some 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Bosch spent more than 4 billion euros ($5.5 billion) for research and development in 2011, and applied for over 4,100 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial. Further information is available online at and


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