The defect of this method is that the virtual value will lag the instantaneous value about one cycle. This event result in the virtual value is not exact.
这种方法的缺点是有效值的求取要滞后瞬时值将近一个周期,使得有效值的求取并不准确。
参考来源 - 电器试验中的检测技术与控制技术·2,447,543篇论文数据,部分数据来源于NoteExpress
A device that senses and stores the instantaneous value of an analog signal.
一种检测和存储模拟信号瞬时值的设备。
The common methods of current measurement for motor are presented, for example, instantaneous value measurement, integral measurement, etc.
同时阐述了电动机电流测定的常用方法,如瞬时值的测定,积分测定等。
The tester designed can be used to measure the parameters, such as power factor, effective value of voltage and current, instantaneous value, etc.
所设计的电网参数测试仪可以测量功率因数、电压和电流的有效值、瞬时值等参数。
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