Main breaker a main breaker is a circuit breaker at the input or output of the bus, through which all of the bus power must flow.

主开关主开关是在母排输入或输出端的线路断路器，所有的电流都要从那通过。

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The authors propose the theory of normal forms of vector fields to the auxiliary dynamic system. This methodology is tested on a 4-bus power system.

为此对电力系统的辅助动态系统采用向量场正规形方法，对一个简单4节点电力系统进行了分析。

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In addition, we study the effect of STATCOM on static voltage stability of one-load infinite-bus power system.

对于包含STATCOM的单负荷-无穷大电力系统，分析了STATCOM对系统电压静态稳定性的作用。

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This lasered Eva Herzigova, a model clad in a black push-up bra, on London's Battersea power station and plastered her across roadside billboards and bus shelters, photographed life-sized against the backdrop of the local street.

ECONOMIST: Star turn

The drive is also USB 3.0 bus-powered, eliminating the need to carry an external AC power supply.

ENGADGET: G-Technology kicks out USB 3.0 G-Drives for Macs, keeps your Retina MacBook Pro well-fed

In a testament to the power of the invisible hand, the rough-and-tumble success of the Chinese bus lines is attracting new competitors, and the industry is becoming less dodgy in the process.

ECONOMIST: Innovation brings emulation