Inrush identification is always a key problem in power transformer current differential protection.

励磁涌流识别一直是电力变压器差动保护中比较关注的问题。

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Development of virtual instrument based calibrator for electronic current transformer.

基于虚拟仪器的电流互感器校验仪的研制。

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This device is called a current transformer.

这个装置被称为电流互感器。

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Since 2005, the company has stood out in the fast-moving LED industry with an innovation that allows LEDs to be powered by alternating current, or AC, rather than requiring a transformer that turns AC into direct current.

WSJ: Seoul Semiconductor's LED-Lighted Path

With more than 700 patents to his name, Tesla invented radio, the coil transformer, wireless communication, fluorescent lights and the alternating-current motor, which allowed electricity to flow over long distances.

FORBES: Pioneers Die Broke