As we need only electrical power for FET switching on the carrier side, power supply system for carrier is basically not needed.
只有载体侧FET(场效应晶体管)开关需要电源，载体本身基本上不需要电源。
The reliability index and mechanical environment resistance index of switching electrical apparatus used in aerospace system are gradually upgraded.
执行航空、航天任务的开关电器的可靠性指标与耐力学环境指标正逐步提高。
The switching over-voltage is rising in pace with the raise of the power system grade, which is very harmful to the electrical equipment in the network.
目前，由于系统的电网等级不断提高，操作过电压也随之不断升高，这对电气设备的正常运行造成很大的危害。
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