Date Code 20100129 Instruction Manual SEL-751A Relay
List of Tables
R.Instruct ion Manual
Table 1.1 Voltage Input Options........................................................................................................... 1.13
Table 1.2 SEL-751A Serial Port Settings............................................................................................. 1.17
Table 2.1 Communication Ports............................................................................................................. 2.4
Table 2.2 Communication Card Interfaces and Connectors................................................................... 2.5
Table 2.3 3 AVI Voltage Card Terminal Designation............................................................................. 2.5
Table 2.4 5 AVI Voltage Card Terminal Designation............................................................................. 2.6
Table 2.5 3 AVI/4 AFDI Voltage Card With Arc-Flash Detection Inputs Terminal Designation.......... 2.6
Table 2.6 Current Card Terminal Designation .......................................................................................2.7
Table 2.7 Eight Analog Input (8 AI) Card Terminal Allocation ............................................................ 2.7
Table 2.8 Four Analog Input/Four Analog Output (4 AI/4 AO) Card Terminal Allocation .................. 2.7
Table 2.9 I/O (3 DI/4 DO/1 AO) Card Terminal Allocation .................................................................. 2.8
Table 2.10 RTD (10 RTD) Card Terminal Allocation.............................................................................. 2.8
Table 2.11 Four Digital Input/Four Digital Output (4 DI/4 DO) Card Terminal Allocation ................... 2.9
Table 2.12 Eight Digital Input (8 DI) Card Terminal Allocation............................................................. 2.9
Table 2.13 Jumper Functions and Default Positions .............................................................................. 2.13
Table 3.1 SEL Software Solutions ......................................................................................................... 3.1
Table 3.2
ACSELERATOR QuickSet SEL-5030 Software....................................................................... 3.1
Table 3.3 File/Tools Menus.................................................................................................................... 3.7
Table 3.4 Help ...................................................................................................................................... 3.15
Table 4.1 Identifier Settings ................................................................................................................... 4.3
Table 4.2 CT Configuration Settings ..................................................................................................... 4.3
Table 4.3 Voltage Configuration Settings .............................................................................................. 4.4
Table 4.4 Maximum Phase Overcurrent Settings................................................................................... 4.5
Table 4.5 Neutral Overcurrent Settings.................................................................................................. 4.6
Table 4.6 Residual Overcurrent Settings................................................................................................ 4.8
Table 4.7 Negative-Sequence Overcurrent Settings............................................................................... 4.9
Table 4.8 Phase A, B, and C Time-Overcurrent Settings..................................................................... 4.10
Table 4.9 Maximum Phase Time-Overcurrent..................................................................................... 4.11
Table 4.10 Negative-Sequence Time-Overcurrent Settings ................................................................... 4.12
Table 4.11 Neutral Time-Overcurrent Settings ......................................................................................4.13
Table 4.12 Residual Time-Overcurrent Settings .................................................................................... 4.14
Table 4.13 Equations Associated With U.S. Curves .............................................................................. 4.16
Table 4.14 Equations Associated With IEC Curves............................................................................... 4.16
Table 4.15 RTD Settings ........................................................................................................................ 4.27
Table 4.16 RTD Resistance versus Temperature.................................................................................... 4.28
Table 4.17 Undervoltage Settings .......................................................................................................... 4.29
Table 4.18 Overvoltage Settings ............................................................................................................ 4.30
Table 4.19 Synchronism-Check Settings ............................................................................................... 4.35
Table 4.20 Power Element Settings........................................................................................................ 4.43
Table 4.21 Power Factor Settings........................................................................................................... 4.45
Table 4.22 Frequency Settings ............................................................................................................... 4.47
Table 4.23 Rate-of-Change-of-Frequency Settings................................................................................ 4.48
Table 4.24 Time Window Versus 81RnTP Setting................................................................................. 4.50
Table 4.25 Trip/Close Logic Settings..................................................................................................... 4.50
Table 4.26 Relay Word Bit and Front-Panel Correspondence to Reclosing Relay States ..................... 4.60
Table 4.27 Reclosing Control Settings................................................................................................... 4.63
Table 4.28 Shot Counter Correspondence to Relay Word Bits and Open Interval Times ..................... 4.66
Table 4.30 Demand Meter Settings........................................................................................................ 4.76
Table 4.31 Enable Settings..................................................................................................................... 4.81
Table 4.32 Latch Bits Equation Settings................................................................................................ 4.82
Table 4.33 SEL
OGIC Control Equation Operators (Listed in Operator Precedence) ............................. 4.84
Table 4.34 Other SEL
OGIC Control Equation Operators/Values............................................................ 4.87
Table 4.35 SEL
OGIC Variable Settings................................................................................................... 4.88
Table 4.36 Counter Input/Output Description........................................................................................ 4.89