Standard Feature Model Optionƒ This function may be created using settings‡ Except phase currents
| Distribution Control Features | SEL-351RS KESTREL | SEL-651R | SEL-651RA |
|---|---|---|---|
| Applications | |||
| Distribution Feeder Protection | |||
| Breaker Failure Protection | ƒ | ƒ | ƒ |
| Generator Intertie Protection | |||
| Recloser Control | |||
| Synchronism Check | |||
| Underfrequency Load Shedding | |||
| Undervoltage Load Shedding | |||
| Protection | |||
| 25 (G,T) Generator/Intertie Synchronism Check | |||
| 27/59 Under-/Overvoltage | |||
| 27I Inverse-Time Undervoltage | |||
| 32 Directional Power Elements | |||
| 50 (P,N,G,Q) Overcurrent Element (Phase, Neutral, Ground, Negative Sequence) | |||
| 51 (P,N,G,Q) Time Overcurrent Element (Phase, Neutral, Ground, Negative Sequence) | |||
| 51V/C VoltageRestrained/Controlled TimeOvercurrent | |||
| 59I Inverse-Time Overvoltage | |||
| 67 (P,N,Q) Directional Overcurrent (Phase, Neutral, Negative Sequence) | |||
| 78VS Vector Shift | |||
| 81 Over-/Underfrequency | |||
| 81R Rate-of-Change of Frequency (df/dt) | |||
| 81RF Fast Rate-of-Change of Frequency (ROCOF) | |||
| 81W Frequency Window | |||
| Separate Neutral Overcurrent | |||
| Load-Encroachment Supervision | |||
| Low-Energy Analog (LEA) Voltage Inputs | |||
| Directional Sensitive Earth Fault Protection | |||
| Pilot Protection Logic | ƒ | ƒ | |
| Harmonic Blocking | |||
| Fast Islanding Detection | |||
| Arc Sense Technology (AST) High-Impedance Fault Detection | |||
| Phantom Phase Voltage | |||
| Current/Voltage Channels | 1/1 | 4/6 | 4/1 4/6⁺ |
| Instrumentation and Control | |||
| 79 Automatic Reclosing | |||
| Fault Locating | |||
| SE L ogic Control Equations With Remote Control Switches | |||
| SE L ogic Counters | |||
| Voltage Check on Closing | |||
| SE L ogic Nonvolatile Latch | |||
| Nonvolatile Local Control Switches | |||
| Display Points | |||
| Breaker/Recloser Wear Monitor | |||
| Trip Coil Monitor | ƒ | ƒ | ƒ |
| IEEE 1547-2018 | |||
| Ethernet | |||
| IEC 61850 | |||
| Simple Time Network Protocol (SNTP) | |||