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首页> 外文期刊>International Journal on Hydropower & Dams >Upgrading a conventional pump turbine to a variable speed machine
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Upgrading a conventional pump turbine to a variable speed machine

机译：将传统的水泵水轮机升级为变速机

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With the increase in renewable energy being added to power grids, more storage for electricity is also needed as well as faster plant regulation, and an increased capacity for regulation. Currently, pumped-storage plants provide the most cost-effective means of storing large amounts of energy, while at the same time compensating for large wind power fluctuations into the grid. Variable speed technology can offer additional network flexibility to conventional pumped storage, by allowing power regulation in the pumping mode. The paper will discuss the benefits of variable speed units in a pumped-storage scheme from an electricity grid perspective, as well as examining the challenges faced when replacing a 1975 vintage synchronous generator motor with a modern double-fed induction machine.
机译：随着将可再生能源增加到电网中，还需要更多的电力存储，以及更快的工厂监管和更大的监管能力。当前，抽水蓄能电站是存储大量能源的最具成本效益的手段，同时可以补偿进入电网的较大风能波动。通过允许在泵送模式下进行功率调节，变速技术可以为传统的泵送存储提供额外的网络灵活性。本文将从电网的角度讨论抽油蓄能方案中变速单元的优势，并探讨用现代双馈感应电机取代1975年老式同步发电机电动机时所面临的挑战。

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