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New Technologies and Services in Power Quality: Improving Your Bottom Line

机译：电能质量的新技术和服务：改善您的底线

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As electric power markets are opening, and as electricity-using equipment has become more sophisticated, managers are turning their attention more and more to issues of power quality. Two of the most vexing issues in power quality are reliability of supply and electrical "pollution" in the form of harmonics. Each of these problems―the abrupt loss of operations due to a sag in purchase power, or the nagging and mysterious problems that elusive harmonics may cause―represent challenges for managers. There are a number of technologies available to deal with harmonics, including harmonics-canceling transformers, chokes, and passive filters. Active harmonics filters, which are just now entering the market, offer a new and much more flexible way to deal with electrical distortion. In addition, facility managers are finding that reliability and harmonics problems are linked, particularly when different sources of power (such as standby generators) are used within a facility. In addition to technical innovation in harmonics, smart facility managers are now taking steps to evaluate technologies to protect whole facilities from brief power sags or outages. This field has a number of new contenders, including new energy flywheel-based storage systems―featuring either conventional low-speed or composite high-speed flywheels-improved superconducting magnetic energy storage (SMES) technologies, and new strategies for conventional chemical batteries.
机译：随着电力市场的开放以及用电设备​​的日益先进，管理人员越来越将注意力转向电能质量问题。电能质量中最令人困扰的两个问题是供电的可靠性和谐波形式的电气“污染”。这些问题中的每一个（由于购买力下降而导致的突然运营损失，或者难以捉摸的谐波可能引起的烦人和神秘的问题）都对管理人员构成了挑战。有许多技术可以处理谐波，包括消除谐波的变压器，扼流圈和无源滤波器。刚刚进入市场的有源谐波滤波器提供了一种新的且更加灵活的方式来处理电气失真。此外，设施管理员发现可靠性和谐波问题之间存在联系，特别是当设施内使用不同的电源（例如备用发电机）时。除了谐波方面的技术创新外，智能设施管理人员现在还采取措施评估技术，以保护整个设施免遭短暂的电源跌落或停电。该领域有许多新的竞争者，包括基于新能源飞轮的存储系统-具有传统的低速或复合高速飞轮-改进的超导磁储能（SMES）技术，以及针对常规化学电池的新策略。

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