Basler Electric BE1-51/27C User Manual
Page 6
iv
9137200998 Rev E
VOLTS INHIBIT ADJ or VOLTAGE INHIBIT ADJ Setting ................................................................... 54
INST 1 Control Setting ......................................................................................................................... 54
INST 2 Control Setting ......................................................................................................................... 55
Setting the Relay ..................................................................................................................................... 55
General ................................................................................................................................................ 55
Setting Example ................................................................................................................................... 56
Coordination with Feeder 51 Relay for Fault 1 .................................................................................... 57
Checking Coordination with Relay 67 for Fault 2 ................................................................................ 58
Checking Coordination with Relay 67 for Fault 3 ................................................................................ 59
Neutral Element Backup Settings ........................................................................................................ 60
Operational Specifications ....................................................................................................................... 61
Time Overcurrent Pickup Selection Range ......................................................................................... 61
Time Overcurrent Measuring Accuracy ............................................................................................... 61
Time Overcurrent Dropout Ratio .......................................................................................................... 61
Instantaneous Overcurrent Pickup Range ........................................................................................... 61
Instantaneous Overcurrent Measuring Accuracy ................................................................................ 61
Instantaneous Overcurrent Dropout Ratio ........................................................................................... 61
Instantaneous Response ..................................................................................................................... 61
Time Delay Accuracy ........................................................................................................................... 62
General Specifications............................................................................................................................. 62
Voltage Sensing Inputs ........................................................................................................................ 62
Voltage Sensing Selection Range ....................................................................................................... 62
Voltage Sensing Accuracy ................................................................................................................... 62
Sensing Input Burden .......................................................................................................................... 62
Sensing Input Rating ........................................................................................................................... 62
Output Circuits ..................................................................................................................................... 62
Target Indicators .................................................................................................................................. 62
Power Supply ....................................................................................................................................... 62
Radio Frequency Interference (RFI) .................................................................................................... 63
Isolation ................................................................................................................................................ 63
Surge Withstand Capability ................................................................................................................. 63
UL Recognized .................................................................................................................................... 63
GOST-R ............................................................................................................................................... 63
Operating Temperature ....................................................................................................................... 63
Storage Temperature ........................................................................................................................... 63
Shock ................................................................................................................................................... 63
Vibration ............................................................................................................................................... 64
Weight .................................................................................................................................................. 64
Case Size ............................................................................................................................................. 64
Contents
BE1-51/27C