5-94 F650 DIGITAL BAY CONTROLLER GEK-106310-AF
5.4 PROTECTION ELEMENTS CHAPTER 5: SETPOINTS
Figure 5-20: Angles
Operating power
V
n
– neutral voltage (3 times V_0): either calculated (VX as auxiliary voltage setting) or supplied from the Auxiliary voltage
channel (VN as auxiliary voltage setting)
I
n
– neutral current (3 times I_0): either calculated (IN as current selection setting) or supplied from the ground current
channel (IG as current selection setting)
The following figure shows the logic scheme diagram for high range and low range wattmetric ground fault elements
(32NH, 32NL).
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