继电保护中隐性故障以不正确的和不期望的方式切除电力系统元件造成电力系统大面积扰动。

It was found that hidden failures in protection schemes caused the disconnection of power system elements in an incorrect and undesirable manner contributing to the disturbance degradation.

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研究定义了继电保护的隐性故障而且展现这些种故障种类，有助于削减70 - 80%的大面积扰动。

This research defined hidden failures of protection schemes and showed that these kinds of failures have contributed in the degradation of 70-80 percent of the wide-area disturbances.

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对电子管电视发射机几种隐性故障影响电子管寿命进行了探讨，并结合实践给出了解决问题的经验和方法。

This paper mainly talks about the effect of hidden troubles with television transmitters on electronic tubes, and also comes up with some solutions according to the experience.

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