Back-up power from compressed air is now a cheap and simple option, claims Energetix, a new energy specialist based in Chester.The first commercial installation of its UK designed and manufactured power unit was for South African electricity utility Eskom Holdings, one of the 10 largest electricity producers in the world. The Pnu Power TC1 compressed-air uninterruptible power supply device will be deployed to a live substation and provide more than 10 hours of standby power for relay-switching.
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机译：总部位于切斯特的新能源专家Energetix称，利用压缩空气提供备用电源现在是一种便宜而简单的选择。其英国设计和制造的动力装置的首次商业安装是为南非电力公司Eskom Holdings提供的。全球10大电力生产商。 Pnu Power TC1压缩空气不间断电源设备将部署到带电变电站，并为继电器切换提供10个小时以上的备用电源。
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