Basler-electric BE1-11g Instrukcja Użytkownika Pobierz pdf (Strona 197)

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Figure 123. Analog Metering, Voltage Screen

Current - Primary and Secondary

Metered current includes primary and secondary phase currents (IA, IB, IC), ground current (IG), positive-

sequence current (I1), negative-sequence current (I2), and neutral current (3I0). All current

measurements are auto ranging.

Values are provided for CT circuit 1 and CT circuit 2 (for protection systems equipped with two sets of

CTs).

Primary and secondary current metering data is found in BESTCOMSPlus (Figure 124) and on the

Metering > Analog Metering > Current screen of the front-panel display. A phasor diagram is also

provided in BESTCOMSPlus.

Figure 124. Analog Metering, Current Screen

Power

Power metering data is found in BESTCOMSPlus (Figure 125) and on the Metering > Analog Metering >

Power screen of the front-panel display. A phasor diagram is also provided in BESTCOMSPlus.

Real Power

Real power is metered over a range of –7,500 kilowatts to +7,500 kilowatts on five-ampere nominal

systems. One-ampere nominal systems meter real power over a range of –1,500 watts to +1,500 watts.

Phases A, B, C, and total phase are included.

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