html{display:none} Breaker Failure and Capacitor Bank Protection Features | Schweitzer Engineering Laboratories

Breaker Failure and Capacitor Bank Protection Features

Applications—Breaker Failure Protection
Number of Breakers 1
50BF Breaker Failure Protection 
50FO Flashover Protection   
62 Breaker Failure Timer  ƒ ƒ ƒ
Point-on-Wave Open/Close (Voltage and Ambient Air Temperature Compensation)      
Applications—Capacitor Bank Protection and Control
Capacitor Bank Protection    ƒ*  
Capacitor Bank Fault Location       
Capacitor Bank Unbalance Compensation (KSET Command)       
Capacitor Bank Settings Assistant Tool       
59T IEC 60871-1 Inverse-Time Overvoltage       
60P Phase Current Unbalance       
60N Neutral Current Unbalance        
87V Phase Voltage Differential       
87VN Neutral Voltage Differential       
Automatic Voltage Control (Voltage/VAR/Power Factor)       
Time-of-Day Control       
Automatic Bank Sequencing Control       
Underfrequency Load Shedding   ƒ   ƒ
Undervoltage Load Shedding ƒ ƒ ƒ ƒ
Bus Differential      
General Protection
25 Synchronism Check    
26 Insertion Resistor Thermal       
27/59 Under-/Overvoltage 
32/37P Power Elements  ƒ
37 Undercurrent Elements    ƒ ƒ
46 Current Unbalance  ƒ ƒ
47 Voltage Unbalance    ƒ   ƒ
49 IEC 60255-149 Thermal Model     
49 Equipment Thermal Monitoring  
50 (N,G) Overcurrent (Neutral, Ground) ƒ
50P Phase Overcurrent
50Q Negative-Sequence Time-Overcurrent    
51 (N,G) Time-Overcurrent (Neutral, Ground)   ƒ
51P Phase Time-Overcurrent  
51Q Negative-Sequence Time-Overcurrent    
67 Directional Overcurrent    
81 Under-/Overfrequency    
81R Frequency Rate of Change      
87 Current Differential      
Single-Pole Trip/Close  
Instrumentation and Control
Open-Pole Detection   ƒ
79 Automatic Reclosing ƒ ƒ ƒ
Synchrophasor Real-Time Control    
SELogic Control Equations
Voltage Check on Closing      
Nonvolatile Latch Control Switches
SELogic Remote/Local Control Switches
Display Points
Multiple Settings Groups
Substation Battery Monitor
Breaker Wear Monitor  
Voltage Sag, Swell, and Interruption Recording    
Event Report (Multicycle Data)
Sequential Events Recorder
Fundamental Metering
Demand Metering      
Energy Metering      
Harmonic Metering (Up to the 15th Harmonic)      
RMS Meter  
IEEE C37.118 Synchrophasors    
IEC 61850  
IEC 61850 9-2LE Sampled Values    
Simple Network Time Protocol (SNTP)  
Parallel Redundancy Protocol (PRP)  
IEEE 1588 Precision Time Protocol Version 2 (PTPv2)    
Time-Domain Link (TIDL) Technology    
Built-In Web Server  
SEL-2600 RTD Module Communication  
Miscellaneous Features
Connectorized (Quick Disconnect) Available

Standard Feature

Model Option

ƒ This function may be created using relay elements and timers

*The SEL-487V is preferred for capacitor bank protection and control applications.


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