The method and the device acquire and judge the alternating current directly, shorten the signal acquisition time and the protectivetime during overcurrent.
本发明直接对交流电流进行采集和判断,缩短了信号采集时间和电流过流时的保护时间。
2
This type of surgery involves constantx-rays and can take a long time to complete, exposing the physician toharmful radiation and mandating that they wear a heavy protective vestwhile operating.