Schweitzer Engineering Laboratories SEL-421-4 - Page 7

Date Code 20171021 Instruction Manual SEL-421 Relay
List of Tables
Table 1.1 Application Highlights ..............................................................................................................1.11
Table 1.2 SEL-421 Relay Characteristics..................................................................................................1.13
Table 2.1 Recommended Control Input Pickup Settings.............................................................................2.6
Table 2.2 Required Settings for Use with AC Control Signals ...................................................................2.7
Table 2.3 Control Inputs ............................................................................................................................2.15
Table 2.4 Control Outputs .........................................................................................................................2.15
Table 2.5 Main Board Jumpers..................................................................................................................2.16
Table 2.6 Main Board Jumpers—JMP2, JMP3, and JMP4.......................................................................2.19
Table 2.7 I/O Board Jumpers.....................................................................................................................2.23
Table 2.8 Jumper Positions for Breaker OPEN/CLOSE Indication ..........................................................2.23
Table 2.9 Jumper Positions for Arc Suppression.......................................................................................2.23
Table 2.10 Front-Panel LED Option ...........................................................................................................2.24
Table 2.11 Fuse Requirements for the Power Supply .................................................................................2.34
Table 2.12 TiDL LED Status.......................................................................................................................2.45
Table 3.1 UUT Database Entries for SEL-5401 Relay Test System Software—5 A Relay .......................3.2
Table 3.2 UUT Database Entries for SEL-5401 Relay Test System Software—1 A Relay .......................3.2
Table 3.3 Negative-Sequence Directional Element Settings AUTO Calculations....................................3.17
Table 4.1 Metering Screens Enable Settings ...............................................................................................4.2
Table 4.2 Front-Panel Target LEDs...........................................................................................................4.10
Table 4.3 TIME Target LED Trigger Elements—Factory Defaults..........................................................4.11
Table 4.4 Operator Control Pushbuttons and LEDs—Factory Defaults ...................................................4.13
Table 5.1 Available Current Source Selection Settings Combinations .......................................................5.4
Table 5.2 Available Current Source Selection Settings Combinations When ESS := Y, NUMBK := 1 ....5.4
Table 5.3 Available Current Source Selection Settings Combinations When ESS := Y, NUMBK := 2 ....5.5
Table 5.4 Available Voltage Source Selection Setting Combinations ........................................................5.6
Table 5.5 ESS := N, Current and Voltage Source Selection .......................................................................5.8
Table 5.6 ESS := 1, Current and Voltage Source Selection ........................................................................5.8
Table 5.7 ESS := 2, Current and Voltage Source Selection ........................................................................5.9
Table 5.8 ESS := 3, Current and Voltage Source Selection ......................................................................5.10
Table 5.9 ESS := 4, Current and Voltage Source Selection ......................................................................5.11
Table 5.10 ESS := Y, Tapped Line..............................................................................................................5.13
Table 5.11 ESS := Y, Current Polarizing Source ........................................................................................5.13
Table 5.12 VMEMC Relay Setting .............................................................................................................5.15
Table 5.13 Frequency Measurement and Frequency Tracking Ranges.......................................................5.16
Table 5.14 Frequency Estimation ................................................................................................................5.16
Table 5.15 Voltage and Breaker Pole Correlation.......................................................................................5.17
Table 5.16 Frequency Estimation Outputs ..................................................................................................5.17
Table 5.17 Table Y12. Summary of the Valpha and 81UVSP Calculations...............................................5.19
Table 5.18 Time-Error Calculation Inputs and Outputs ..............................................................................5.21
Table 5.19 Fault Location Triggering Elements..........................................................................................5.23
Table 5.20 Fault Type..................................................................................................................................5.24
Table 5.21 Fault Location Settings..............................................................................................................5.24
Table 5.22 Fault Location Relay Word Bit .................................................................................................5.24
Table 5.23 Open-Phase Detection Relay Word Bits ...................................................................................5.25
Table 5.24 Pole-Open Logic Settings..........................................................................................................5.25
Table 5.25 EPO Setting Selections..............................................................................................................5.25
Table 5.26 Pole-Open Logic Relay Word Bits............................................................................................5.25
Table 5.27 LOP Logic Setting .....................................................................................................................5.29
Table 5.28 LOP Logic Relay Word Bits .....................................................................................................5.29
Table 5.29 Fault Type Identification Logic Settings ...................................................................................5.33
Table 5.30 FIDS Relay Word Bits...............................................................................................................5.33
Table 5.31 Directional Elements Supervising Ground Elements ................................................................5.33
Table 5.32 Ground Directional Element Settings........................................................................................5.34