| Features | SEL-487E | SEL-387E | SEL-387 | SEL-387A | SEL-787 | SEL-787-2/-3/-4 | SEL-587 | SEL-2414 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Applications | ||||||||||
| Breaker Failure Protection | ƒ | ƒ | ƒ | ƒ | ƒ | |||||
| Transformer and Machine Current Differential | ||||||||||
| Low-Impedance Bus Differential | ||||||||||
| Underfrequency Load Shedding | ƒ | |||||||||
| Undervoltage Load Shedding | ƒ | |||||||||
| Three-Phase Current Inputs | 5 | 3 | 4 | 2 | 2 | 2, 3, or 4 | 2 | |||
| Three-Phase Voltage Inputs | 2 | 1 | 1+ | 1+ | 1+ | |||||
| Protection Elements | ||||||||||
| 24 Overexcitation (Volts/Hertz) | ||||||||||
| 25 Synchronism Check | ||||||||||
| 27I Inverse Time Undervoltage (Phase, Phase to Phase, Sequential, Vsync) | ||||||||||
| 27/59 Under-/Overvoltage | ||||||||||
| 32 Directional Power | ||||||||||
| 46 Current Unbalance | ||||||||||
| 49 Equipment Thermal Monitoring | ||||||||||
| 50FO Flashover Protection | ƒ | ƒ | ƒ | 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 | ||||||||||
| 67 (P,G,Q) Directional Overcurrent (Phase, Ground, Negative Sequence) | ||||||||||
| 81 Under-/Overfrequency | ||||||||||
| 81R Rate-of-Change-of-Frequency | ƒ | |||||||||
| 87 Phase Differential | ||||||||||
| REF Restricted Earth Fault | ||||||||||
| Instrumentation and Control | ||||||||||
| SELogic Control Equations | ||||||||||
| Voltage Check on Closing | ƒ | ƒ | ƒ | |||||||
| Transformer Cooling Fan Control | ƒ | ƒ | ƒ | |||||||
| Nonvolatile Latch Control Switches | ||||||||||
| SELogic Remote Control Switches | ||||||||||
| SELogic Local Control Switches | ||||||||||
| Analog Control Variables | ||||||||||
| Display Points | ||||||||||
| Multiple Settings Groups | ||||||||||
| Substation Battery Monitor | ƒ | |||||||||
| Breaker Wear Monitor | ||||||||||
| Event Report (Multicycle Data) | ||||||||||
| Sequential Events Recorder | ||||||||||
| Instantaneous Meter | ||||||||||
| Demand Meter | ||||||||||
| Load and Temperature Profile Report | ||||||||||
| Resistance Temperature Detector (RTD) Inputs | ||||||||||
| Built-In Web Server | ||||||||||
| IEEE C37.118 Synchrophasors | ||||||||||
| EtherNet/IP | ||||||||||
| IEC 61850 | ||||||||||
| IEC 61850 Edition 2 | ||||||||||
| Simple Network Time Protocol (SNTP) | ||||||||||
| Parallel Redundancy Protocol (PRP) | ||||||||||
| IEEE 1588 Precision Time Protocol Version 2 (PTPv2) | ||||||||||
| Time-Domain Link (TiDL) Technology | ||||||||||
| Through-Fault Monitor | ||||||||||
| Thermal Model/SEL-2600 RTD Module Communications | ||||||||||
| Miscellaneous Features | ||||||||||
| Spanish Language Support | ||||||||||
| Connectorized (Quick Disconnect) Available | ||||||||||
Standard Feature
Model Option
ƒ This function may be created using relay, device word bits, analog quantities, and timers.