Design for a highly efficient distributed power supply system based on reliability analysis

Yotsumoto, K.; Muroyama, S.; Matsumura, Shigenori; Watanabe, Hitoshi

doi:10.1109/intlec.1988.22406

Cited by 18 publications

(1 citation statement)

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“…This brings the disadvantages of low efficiency due to high currents in the DC bus and expensive cable installations. To overcome this disadvantage, one possibility is the usage of decentralized power supply systems [2]. To reach high efficiency in systems in the range of several 100 kW to MW in MWh scale with the advantages of centralized systems, an obvious possibility is to use high voltage storage systems.…”

Section: Introductionmentioning

confidence: 99%

Design and construction of a test bench to characterize efficiency and reliability of high voltage battery energy storage systems

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Stephan²,

Roggendorf

et al. 2010

Intelec 2010

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Stationary battery energy storage systems are widely used for uninterruptible power supply systems. Furthermore, they are able to provide grid services. This yields in rising installed power and capacity. One possibility uses high voltage batteries. This results in an improvement of the overall system efficiency. High voltage batteries may be advantageous for future medium voltage DC-grids as well. In all cases, high availability and reliability is indispensable. Investigations on the operating behavior of such systems are needed. For this purpose, a test bench for high voltage storage systems was built to analyze these processes for different battery technologies. A special safety infrastructure for the test bench was developed due to the high voltage and the storable energy of approximately 120 kWh. This paper presents the layout of the test bench for analyzing high voltage batteries with about 4,300 volts including all components, the safety requirements with the resultant safety circuit and the aim of the investigations to be performed with the test bench.

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Section: Introductionmentioning

confidence: 99%