SEL-387E Relay Settings Sheet
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Group Settings (SET Command) Example
Date
Group
Date Code 20080110
C
ONFIGURATION
S
ETTINGS
Relay Identifier (39 Characters)
RID = XFMR 1
Terminal Identifier (59 Characters)
TID = STATION A
Enable Winding 1 in Differential Element (Y, N, Y1) E87W1 = Y
Enable Winding 2 in Differential Element (Y, N, Y1) E87W2 = Y
Enable Winding 3 in Differential Element (Y, N, Y1) E87W3 = Y
Enable Winding 1 O/C Elements and Dmd Thresholds (Y, N) EOC1 = Y
Enable Winding 2 O/C Elements and Dmd Thresholds (Y, N) EOC2 = Y
Enable Winding 3 O/C Elements and Dmd Thresholds (Y, N) EOC3 = Y
Enable Combined O/C Elements (Y, N) EOCC = N
Enable Volts/Hertz Protection (Y, N) E24 = Y
Enable Undervoltage Protection (Y, N) E27 = Y
Enable Overvoltage Protection (Y, N) E59 = Y
Enable Frequency Protection (N, 1–6) E81 = N
Enable SEL
OGIC
®
Control Equations Set 1 (Y, N) ESLS1 = N
Enable SEL
OGIC
Control Equations Set 2 (Y, N) ESLS2 = N
Enable SEL
OGIC
Control Equations Set 3 (Y, N) ESLS3 = N
G
ENERAL
D
ATA
Winding 1 CT Connection (D, Y) W1CT = Y
Winding 2 CT Connection (D, Y) W2CT = Y
Winding 3 CT Connection (D, Y) W3CT = Y
Winding 1 CT Ratio (1–50000) CTR1 = 120; 600*
Winding 2 CT Ratio (1–50000) CTR2 = 240; 1200*
Winding 3 CT Ratio (1–50000) CTR3 = 400; 2000*
Maximum Power Transformer Capacity (OFF, 0.2–5000 MVA) MVA = 100
Define Internal CT Connection Compensation (Y, N) ICOM = Y
Winding 1 CT Conn. Compensation (0, 1, …, 12) W1CTC = 11
Winding 2 CT Conn. Compensation (0, 1, …, 12) W2CTC = 11
Winding 3 CT Conn. Compensation (0, 1, …, 12) W3CTC = 0
Winding 1 Line-to-Line Voltage (1–1000 kV) VWDG1 = 230
*The first value applies to a 5 A relay, the second value applies to a 1 A relay.
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