GE L60 Instruction Manual page 195

5 SETTINGS
Phase comparison signals are important for the analysis of 87PC operation. As such, they are recorded in oscillography. A
list of the 87PC channels recorded in oscillography is shown below.
Table 5–12: 87PC OSCILLOGRAPHY CHANNELS
CFG FILE LABEL DESCRIPTION
X1: IA Phase A of the F module CT bank
X2: IB Phase B of the F module CT bank
X3: IC Phase C of the F module CT bank
X#: IA Phase A of the X module CT bank
X#: IB Phase B of the X module CT bank
X#: IC Phase C of the X module CT bank
87PC BKR1 Current Effective mixed operating signal of BKR1
87PC BKR1 POS Positive current pulse for the first breaker
87PC BKR1 NEG Negative current pulse for the first breaker
87PC BKR1 Mag Magnitude of the effective operating signal of BKR1
87PC BKR1 FDL Low-set fault detection for the first breaker
87PC BKR1 FDH High-set fault detection for the first breaker
87PC BKR2 Current Effective mixed operating signal of BKK2
87PC BKR2 POS Positive current pulse for the second breaker
87PC BKR2 NEG Negative current pulse for the second breaker
87PC BKR2 Mag Magnitude of the effective operating signal of BKR2
87PC BKR2 FDL Low-set fault detection for the second breaker
87PC BKR2 FDH High-set fault detection for the second breaker
87PC POS Positive current local pulse for both breakers
87PC NEG Negative current local pulse for both breakers
87PC FDL Low-set fault detection for both breakers
87PC FDH High-set fault detection for both breakers
87PC Rx1P Voltage Received pulse (voltage) on channel 1P
87PC Rx1P Received pulse on channel 1P
87PC Rx1N Voltage Received (voltage) on channel 1N
87PC Rx1N Received pulse on channel 1N
87PC Rx2P Voltage Received pulse (voltage) on channel 2P
87PC Rx2P Received pulse on channel 2P
87PC Rx2N Voltage Received pulse (voltage) on channel 2N
87PC Rx2N Received pulse on channel 2N
87PC POS Aligned Aligned (delayed) local positive pulse
87PC NEG Aligned Aligned (delayed) local negative pulse
87PC Rx1P Aligned Received and conditioned pulse on channel 1P
87PC Rx1N Aligned Received and conditioned pulse on channel 1N
87PC Rx2P Aligned Received and conditioned pulse on channel 2P
87PC Rx2N Aligned Received and conditioned pulse on channel 2N
87PC POS Int Input Input of the positive integrator
87PC NEG Int Input Input of the negative integrator
87PC POS Integrator Positive integrator in (degrees)
87PC NEG Integrator Negative integrator in (degrees)
Refer to Chapter 9: Application of Settings for the calculation examples for the 87PC element.
GE Multilin L60 Line Phase Comparison Relay
5.5 GROUPED ELEMENTS
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