Basler-electric BE1-11g Manual de usuario descargar pdf (Pagina 238)

100

101

226 9424200994 Rev N

Voltage

Figure 159 illustrates the Power Quality, Voltage screen.

Figure 159. Power Quality, Voltage Screen

10-Second Frequency

A 10-second average of the frequency is calculated using Equation 24.

   

    

Equation 24. 10-Second Frequency Calculation

Example

Number of integral cycles: 501 cycles over 10 s

Total duration of the 501 cycles: 9.998 s

10-Second Frequency = 501/9.998 = 50.1100 Hz

Distortion

The voltage during a dip is often distorted. This distortion may be important for understanding the effect of

the dip on the system. The BE1-11g calculates distortion using Equation 25











1× 100

Equation 25. Distortion Calculation

Figure 160 illustrates the Power Quality, Distortion screen.

Figure 160. Power Quality, Distortion Screen

Dip/Swell

Figure 161 illustrates the Power Quality, Dip/Swell screen. A green LED indicates that the threshold

specified in Power Quality Settings has been exceeded.

Power Quality BE1-11g

1 2 ... 233 234 235 236 237 238 239 240 241 242 243 ... 671 672

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Basler-electric BE1-11g Manual de usuario Pagina 238

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