The core of electric power circuit probably is big power switch unit, and it's most important that it runs stably and safely.

电力电子线路的核心多为大功率开关器件，其稳定安全运行至关重要。

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Researchers have discovered that there's enough power in living trees to run an electric circuit.

研究人员发现，活树上的能量足以使电路运转。

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Then, the main power circuit taking electric electronic component IGBT as key device is designed.

设计了以电力电子元件IGBT为核心器件的功率主电路。

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The electro electric systems business markets transformers, switchgears, circuit breakers, power electronics and control systems and others.

FORBES: Hyundai Heavy Industries