47.Power Electronics by John G. Webster (Editor)

By John G. Webster (Editor)

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1): 244–253, 1953. R. L. Witzke, J. V. Kresser, and J. K. , 72 (pt. 1): 689–697, 1953. htm }{{}} ● HOME ● ABOUT US ● CONTACT US ● HELP Home / Engineering / Electrical and Electronics Engineering Wiley Encyclopedia of Electrical and Electronics Engineering Battery Storage Plants Standard Article Loren H. , Salem, VA Copyright © 1999 by John Wiley & Sons, Inc. All rights reserved. W5823 Article Online Posting Date: December 27, 1999 Abstract | Full Text: HTML PDF (271K) ● ● ● ● Recommend to Your Librarian Save title to My Profile Email this page Print this page Browse this title ● Search this title Enter words or phrases Abstract The sections in this article are Applications of Battery Storage Plants Battery Considerations Selecting and Rating the Converter Conceptual Design of a Voltage Source Converter for a Battery Energy Storage System About Wiley InterScience | About Wiley | Privacy | Terms & Conditions Copyright © 1999-2008John Wiley & Sons, Inc.

The impedance of the battery and its feeders can be important, however, to the stability of the controls. The impedance of the converter is primarily resistive, and should be less than 1%. The impedance of the transformer is primarily reactive and is large with respect to the sum of all resistances. Thus the net impedance (ZO) of the converter and transformer is thought of as reactive. The value of the transformer reactance is established by the converter system designer based on a variety of factors and is high compared with a general-purpose transformer.

The flooded cells are built in transparent containers that allow the inspection of the individual cells for early warning of the various end-of-life mechanisms. The VRLA batteries cannot be Local-load support similarly inspected, so electrical tests are recommended periodically on VRLA cells to identify incipient failures. The flooded cells require a sill around the floor of the battery room to contain a large acid spill should one occur. A decision between these technologies will depend on the specific application.

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