Basler-electric BE1-11g Manual do Utilizador descarregar pdf (Página 131)

9424200994 Rev N 119

Figure 73. Current-Polarized Directional Scheme for BE1-11g CT Connection

Logic Connections

Neutral current differential element logic connections are made on the BESTlogicPlus screen in

BESTCOMSPlus. The neutral current differential element logic block is illustrated in Figure 74. Logic

inputs and outputs are summarized in Table 42.

Figure 74. Neutral Current Differential Element Logic Block

Table 42. Logic Inputs and Outputs

Disables the 87N function when true

True when the 87N element is in trip condition

True when the 87N element is in pickup condition

BE1-11g Neutral Current Differential (87N) Protection

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Basler-electric BE1-11g Manual do Utilizador Página 131