在关键的低压UPS和备用发电机电源电路中是否实现了选择性?

Industry Applications Society 46th Annual Petroleum and Chemical Technical Conference (Cat.No. 99CH37000) Pub Date : 1999-09-13 DOI:10.1109/PCICON.1999.806431

R. Cosse, J. Bowen

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引用次数: 9

摘要

本文回顾了石化工业中典型的临界低压不间断电源系统和备用发电机电源电路，以确定在短路条件下保护装置之间是否实现了选择性。当不能达到选择性时，建议采用替代系统配置。讨论了故障条件下发电机励磁系统和UPS的支持。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Is selectivity achieved in critical low-voltage UPS and standby generator power circuits?

This paper reviews typical critical low-voltage UPS (uninterruptible power supply) systems and standby generator power circuits used in the petrochemical industry to determine if selectivity is achieved between protective devices during short-circuit conditions. Alternate system configurations are proposed when selectivity is not achieved. Generator excitation systems and UPS support during fault conditions is discussed.

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Industry Applications Society 46th Annual Petroleum and Chemical Technical Conference (Cat.No. 99CH37000)

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