Features | SEL-387 | SEL-487B | SEL-487E | SEL-587Z |
---|---|---|---|---|
Applications | ||||
Breaker Failure Protection | ƒ | ƒ | ||
Bus Differential | ƒ | |||
Transformer and Machine Current Differential | ||||
High-Impedance Bus Differential | ||||
Low-Impedance Bus Differential | ||||
Three-Phase Current Inputs | 4 | 7/ 10/ 21 ‡ | 5 | Com- mon |
Three-Phase Voltage Inputs | 1 | 2 | ||
Protection | ||||
27/59 Under-/Overvoltage | ||||
46 Current Unbalance | ƒ | |||
47 Voltage Unbalance | ƒ | |||
50 (N,G) Overcurrent (Neutral, Ground) | ||||
50P Phase Overcurrent | ||||
50Q Negative-Sequence Overcurrent | ||||
51 (N,G) Time-Overcurrent (Neutral, Ground) | ||||
51P Phase Time-Overcurrent | ||||
51Q Negative-Sequence Time-Overcurrent | ||||
87 Current Differential | ||||
87Z High-Impedance Differential | ||||
Single-Pole Trip/Close | ||||
Three-Phase Differential Bus Zones | 1 | 2/ 3/ 6 ‡ | 1 | 1 |
Check Zones | 3 | |||
Instrumentation and Control | ||||
79 Automatic Reclosing | ƒ | ƒ | ||
Dynamic Zone Selection | ||||
SELogic Control Equations | ||||
Nonvolatile Latch Control Switches | ||||
SELogic Remote/Local Control Switches | ||||
Display Points | ||||
Multiple Settings Groups | ||||
Substation Battery Monitor | ||||
Breaker Wear Monitor | ||||
Event Report (Multicycle Data) | ||||
Sequential Events Recorder | ||||
Instantaneous Meter | ||||
Demand Meter | ||||
Through-Fault Monitor | ||||
IEEE C37.118 Synchrophasors | ||||
Synchrophasor Real-Time Control | ||||
IEC 61850 | ||||
Built-In Web Server | ||||
Simple Network Time Protocol (SNTP) | ||||
Mirrored Bits Communications | ||||
Parallel Redundancy Protocol (PRP) | ||||
IEEE 1588 Precision Time Protocol Verion 2 (PTPv2) | ||||
Time-Domain Link (TIDL™) Technology | ||||
Miscellaneous Features | ||||
Connectorized (Quick Disconnect) Available |
Standard Feature
Model Option
ƒ This function may be created using settings
‡ 1/2/3 Relay Application