html{display:none} Generator and Motor Protection Features | Schweitzer Engineering Laboratories

Generator and Motor Protection Features

Generator Protection        
Induction Motor Protection        
Synchronous Motor Protection           
Motor Bus Transfer           
Feeder Protection         
Breaker Failure Protection ƒ   ƒ ƒ ƒ
Equipment Thermal Monitoring  
Generator Intertie Protection          
Synchronism Check      
Integrated Synchronizer         
21P Phase Mho or Compensator Distance         
24 Overexcitation (Volts/Hertz)        
27/59 Under-/Overvoltage  
27I/59I Inverse-Time Undervoltage/Overvoltage       
32 Directional Power     
37 Underpower        
40 Loss-of-Field       
46 Current Unbalance    
47 Phase Reversal       
49 Thermal     
49R Thermal Overload (RTD)     
50 (P,N,G) Overcurrent (Phase, Neutral, Ground)  
50Q Negative-Sequence Overcurrent   
51 (N,G) Time-Overcurrent (Neutral, Ground)    
51 (P,Q) Time-Overcurrent (Phase, Neg. Seq.)      
55 Power Factor   ƒ ƒ ƒ    
60 Loss-of-Potential    ƒ ƒ
64G 100 Percent Stator Ground         
64F Field Ground        
67 (N,G) Directional Overcurrent (Neutral, Ground)        
78 Out-of-Step        
78VS Vector Shift         
81 Over-/Underfrequency  
87 Current Differential        
REF Restricted Earth Fault          
Arc-Flash Detection          
Separate Neutral Overcurrent   
Inadvertent Energization ƒ ƒ         
Flashover Protection ƒ ƒ ƒ         
Broken Rotor Bar Detection           
Instrumentation and Control
SELogic Control Equations/Remote Control Switches
Nonvolatile Latch Control Switches  
Multiple Settings Groups    
Station Battery Monitor          
Breaker Wear Monitor     
Event Report (Multicycle Data)/Sequential Events Recorder
Demand Meter   
Load Profile Report    
RTD (Resistance Temperature Detector) Inputs   
Built-In Web Server    
IEEE 1588 Precision Time Protocol (PTP)     
IEC 61850     
IEC 61850 Edition 2     
IEC 60870-5-103       
Parallel Redundancy Protocol (PRP)     
DNP3 Serial     
Simple Network Time Protocol (SNTP)     
Modbus TCP     
Modbus RTU Outstation  
Synchrophasors With IEEE C37.118 Protocol        
Mirrored Bits Communications      
Miscellaneous Features
Accepts Wye or Open-Delta Voltage Transformers   
Connectorized (Quick Disconnect) Available          

Standard Feature

Model Option

ƒ This function may be created using settings


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