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highprecision DC Power Supplies &more High voltage DC power units with energy recovery Heinzinger provides high precision DC power units for applications in the area of battery substitute. Over the years, these power units are advancing more and more in test beds of hybrid motors as well as electrical components of the future in the automotive and supplier industry. The power units are then equipped with energy recovery, which makes a significant contribution to cost reduction when operating. Heinzinger accommodates for these requirements with the new PTNer and ERS series. The devices, satisfy surpassing demands in terms of precision, stability and fast regulation. With these power units, precision classes between 0.001% and 0.01% are achieved. The devices are combined with the "Heinzinger energy recovery" system for energy recovery. Particular attention is paid to realising the changeover between power unit and energy recovery operation with these new power units capable of energy recovery. In order to enable an automatic test process, special intelligence on the part of the power unit is necessary. For this, the power unit system independently recognises which operational state the connected "consumer" is in. The important thing here is whether the "consumer" is requiring or recovering energy. This detection takes place rapidly and with a minimum tolerance threshold. Complex evaluation electronics at the power unit output accounts for these special circumstances. In energy recovery operation, the power unit converts the DC voltage supplied by the "consumer" into alternating voltage and feeds this into the electrical supply line. For this, the high requirements of the galvanic separation between the different components (power unit, consumer, energy recovery, control) are realised accordingly in the device's design. In this way, reliable and error-free function can be assured in all operational states. The voltages 16 Volt, 32 Volt or also 65 Volt are typical as battery substitutes. They cover the usual battery voltages such as 12 and 24 Volt just as any future applications. The power units can be supplied for voltages up to >600 Volt for applications in the area of hybrid motors. The magnitude of the required current is dependent on the application and may amount to several thousand amperes. "Heinzinger Energy Recovery" is tuned to the respective power unit output and the requirements of the test bed. A wide variety of interface solutions are available for the remote control of the systems. The Heinzinger electronic GmbH, with an experienced team of specialists focuses on the development, production, and sales of high-quality power supplies for applications in industry, research, and development. The company has many years of experience and competence in all areas of precision power supply solutions; even, and especially for very great outputs. Heinzinger not only offers power supply solutions optimally designed for the respective requirements, but also provides a range of services all around the subject of high current and high voltage. Heinzinger - supplies your world. . –www.heinzinger.deFIGURE: "Heinzinger PTN Hybrid.jpg“ electronica 2008, hall B2, stand 110 Contact person for enquiries: Peter Bannert Heinzinger electronic GmbH Tel.: 08031-2458-61 Fax: 08031-2458-58 [email protected] Heinzinger electronic GmbH The Power Supply Company Anton-Jakob-Straße 4 83026 Rosenheim Tel.: 0 80 31 – 24 58 – 0 Fax: 0 80 31 – 24 58 – 58 www.heinzinger .de [email protected]