Basler-electric BE1-11g Manuale Utente Scaricare il pdf (Pagina 200)

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Figure 128. Analog Metering, Differential Screen

Energy

Energy is metered for positive and negative watthours and varhours. Watthour and varhour values are

calculated per minute as shown in Equation 23

Primary VT Ratio × Primary CT Ratio

60 minutes

× Secondary Watts or Vars

Equation 23. Energy Data Equation

Watt and var values are updated every 250 milliseconds and watthour and varhour values are logged

once every minute. Energy registers are stored in nonvolatile memory at 15-minute intervals.

Watthour values and varhour values can be read, reset, or changed through the front panel or

communication ports. A lagging power factor load will report positive watts and positive vars.

Energy metering data is found in BESTCOMSPlus (Figure 129) and on the Metering > Analog Metering >

Energy screen of the front-panel display.

Metering BE1-11g

1 2 ... 195 196 197 198 199 200 201 202 203 204 205 ... 671 672

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Basler-electric BE1-11g Manuale Utente Pagina 200

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