Optical Current Transformer(OCT)resolves the problems of saturation and low transient precision created by electromagnetic current transformer.

光学电流互感器（OCT）解决了继电保护中传统电磁式电流互感器的饱和以及暂态精度低等问题。

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The development of the optimum calculation software of electromagnetic current transform-ers is introduced. The designing and calculating processes are given.

介绍了电磁式电流互感器优化计算软件的开发，给出了电流互感器产品的设计计算程序。

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Optical current transformer (OCT) as a novel representative of current transformer resolves problems of saturation and low transient precision created by electromagnetic current transformer.

以光学电流互感器(oct)为代表的新型电流互感器的出现，解决了继电保护中传统电磁式电流互感器的饱和以及暂态精度低等问题。

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Current Blu-ray lasers emit light in the blue part of the electromagnetic spectrum (about 405 nm wavelength).

FORBES: What is the Future of Optical Disc Technology and who will Use It?