Micom P634 - Page 536

Parameter Address
Default Min Max Unit Logic Diagram
Current transformer
supervision
CTS: Enable PSx
001 118 001 119 001 120 001 121
0: No Fig. 3-149, (p. 3-196)
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This setting defines the parameter subset in which current transformer
supervision (CTS) is enabled.
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CTS: Ipos> PSx
001 111 001 115 001 116 001 117
0.10 0.05 4.00 Iref Fig. 3-151, (p. 3-198)
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Setting for operate value Ipos> as a quantity normalized to Iref. (Ipos = positive-
sequence current)
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CTS: Ineg/Ipos> PSx
001 102 001 103 001 104 001 105
0.05 0.05 1.00 Fig. 3-151, (p. 3-198)
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CTS: Ineg/Ipos>> PSx
001 122 001 123 001 124 001 125
0.40 0.05 1.00 Fig. 3-151, (p. 3-198)
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Setting for the operate value for the ratio Ineg/Ipos. (Ineg = negative-sequence
current, Ipos = positive-sequence current)
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CTS: t(Alarm) PSx
001 126 001 127 001 128 001 129
1.00 0.00 10.00 s Fig. 3-154, (p. 3-200)
Fig. 3-155, (p. 3-201)
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Setting for the operate delay.
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CTS: t(Latch) PSx
001 130 001 131 001 132 001 133
1.00 0.00 10.00 s Fig. 3-154, (p. 3-200)
Fig. 3-155, (p. 3-201)
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Setting for the latching time-delay.
P634 7 Settings
7-182 P634/EN M/R-42-A // P634‑311‑653