الإعداد
موقع الرصد : UPS for a desktop PCs sold in retail stores (1-المرحلة 2 سلك, 100في)
مشكلة & تحليل
Most low cost UPS used for general purposes output a square wave. لكن, most people assume that a sine wave is output. Here is a sample waveform output by a UPS.
- Low cost inverter type
- Commercial-type without a compensation function for the voltage distortion, الخ.
Note that the voltage swell or dip occurs in switching if the UPS does not compensate for the period.
مصدر : دليل للقياس جودة الطاقة, HIOKI E.E. شركة


