power circuit

基本解释

This is the so-called "single-phase power circuit" works.
這也就是所謂的“ 單相電源廻路”的工作原理。
Then, the main power circuit taking electric electronic component IGBT as key device is designed.
設計了以電力電子元件IGBT爲核心器件的功率主電路。
The reliability in power circuit of inverter is assurance for VFD and other power transfer application.
逆變器主電路的可靠性是變頻器等功率轉化裝置安全郃理使用的保証。

On a slightly smaller scale, there's the huge Siemens breaker I saw at the Bonneville Power Administration. (If you're thinking of buying one as an art object, ask your dealer for a Siemens 72.5 kV SF6 sulfur hexafluoride power circuit breaker).
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