To deal with the problems in the experiment, the current foldback, optical coupler insulation and electromagnetic shielding was used to optimize the laser's performance.

针对激光器在实验过程中出现的问题，采用了过流保护、光耦合器隔离，电磁屏蔽等措施，优化了激光器的性能。

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To avoid shortcomings of conventional current transducers in insulation and saturation, the hybrid optical sensor head of a new type air core current transducer is presented.

针对传统电流互感器易饱和﹑绝缘复杂等缺点，介绍了一种混合式光电电流互感器传感头用于测量的新型空心电流互感器。

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The influence of the insulation gas pressure change on optical voltage transformer couldn't be neglected. It's a new problem created by the new sensing principle.

绝缘气体压力的变化对光电电压互感器的影响不可忽视，这是新的传感原理引出的新问题。

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