Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.

合理的无功就地补偿和选择变压器容量可以降低损耗，提高系统运行的经济性，是电力需求侧管理的重要内容。

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The design, construction and operating condition of grounding equipment affect not only safety operation of power system but also electromagnetic interference of substation.

接地装置的设计施工及运行情况的好坏不仅影响电力系统安全运行，也是影响变电站电磁干扰的重要方面。

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The transformer fault diagnosis is very important to the safety and economic operation of power system.

电力变压器故障诊断对电力系统的安全经济运行有着十分重要的意义。

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The court may not be elected, but its members are nominated by the president and confirmed by Congress, which also has considerable power over the funding and operation of the federal court system.

ECONOMIST: The politics of justice

The first phase of construction includes early earthwork and concrete foundations for a mill and on-site power plant, expansion of the existing water-supply system, construction and operation of the initial phase of a new tailings facility, and expansion of camp facilities by approximately 6, 600 additional beds for workers.

FORBES: Kinross: Tasiast-Expansion Commitment To Hit $1 Billion By Year-End; Production Set For 2014