Journal
APPLIED ENERGY
Volume 88, Issue 4, Pages 1312-1321Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2010.08.017
Keywords
High-tech industries; High performance facilities; Power quality; Uninterruptible power supply; UPS; DC power supply
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Funding
- Company Telvent Energy, Spain [12009028]
- European regional development fund (ERDF)
- Junta de Andalucia
- Ministry of Science and Innovation's Centre for the Development of Industrial Technology
- Spanish Ministry of Industry, Tourism and Trade [TSI-020100-2010-484]
- Spanish Ministry of Science and Innovation [TEC2010-19242-C03-02]
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With the generalized use of microelectronic devices, server computers and other susceptible equipment, the subject related to power quality (PQ) and its relationship to vulnerability of high performance plants are becoming an increasing concern to the industry. This paper addresses how uninterruptible power supply (UPS), particularly when configured in distributed DC mode, can become an energy efficient (EE) solution in high-tech buildings, especially when integrated with complimentary PQ measures. The paper is based on PQ audits conducted at different high-tech industries over the last years. It was found that the main problems for the equipment installed were voltage sags (or dips). Among all categories of electrical disturbances, voltage sags and momentary interruptions are the nemeses of the automated industrial process. The paper analyzes the capabilities of modern electronic power supplies and the convenience of embedded solution. Finally it is addresses the role of the Standards on the protection of electronic equipment and the implications for the final costumer. (C) 2010 Elsevier Ltd. All rights reserved.
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