格局
监控位置 : UPS for a desktop PCs sold in retail stores (1-相2线, 100在)
问题 & 分析
Most low cost UPS used for general purposes output a square wave. 然而, 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, 等.
Note that the voltage swell or dip occurs in switching if the UPS does not compensate for the period.
源 : 电能质量测量指南, HIOKI E.E. 公司