
GE Multilin N60 Network Stability and Synchrophasor Measurement System vii
TABLE OF CONTENTS
5.2.16 DIRECT INPUTS/OUTPUTS ...........................................................................5-51
5.2.17 TELEPROTECTION.........................................................................................5-59
5.2.18 INSTALLATION................................................................................................5-59
5.3 SYSTEM SETUP
5.3.1 AC INPUTS......................................................................................................5-61
5.3.2 POWER SYSTEM............................................................................................5-63
5.3.3 SIGNAL SOURCES.........................................................................................5-64
5.3.4 BREAKERS......................................................................................................5-66
5.3.5 DISCONNECT SWITCHES .............................................................................5-70
5.3.6 PHASOR MEASUREMENT UNIT....................................................................5-73
5.4 FLEXLOGIC™
5.4.1 INTRODUCTION TO FLEXLOGIC™...............................................................5-89
5.4.2 FLEXLOGIC™ RULES ....................................................................................5-98
5.4.3 FLEXLOGIC™ EVALUATION..........................................................................5-98
5.4.4 FLEXLOGIC™ EXAMPLE ...............................................................................5-99
5.4.5 FLEXLOGIC™ EQUATION EDITOR.............................................................5-103
5.4.6 FLEXLOGIC™ TIMERS.................................................................................5-103
5.4.7 FLEXELEMENTS™.......................................................................................5-105
5.4.8 NON-VOLATILE LATCHES ...........................................................................5-109
5.4.9 FLEXMATH....................................................................................................5-110
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW....................................................................................................5-113
5.5.2 SETTING GROUP .........................................................................................5-113
5.5.3 POWER SWING DETECT.............................................................................5-114
5.5.4 PHASE CURRENT ........................................................................................5-122
5.5.5 VOLTAGE ELEMENTS..................................................................................5-123
5.5.6 SUPERVISING ELEMENTS..........................................................................5-127
5.5.7 SENSITIVE DIRECTIONAL POWER.............................................................5-129
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW....................................................................................................5-132
5.6.2 SETTING GROUPS.......................................................................................5-132
5.6.3 SELECTOR SWITCH.....................................................................................5-133
5.6.4 UNDERFREQUENCY....................................................................................5-139
5.6.5 OVERFREQUENCY ......................................................................................5-140
5.6.6 SYNCHROCHECK.........................................................................................5-141
5.6.7 DIGITAL ELEMENTS.....................................................................................5-145
5.6.8 DIGITAL COUNTERS....................................................................................5-148
5.6.9 MONITORING ELEMENTS ...........................................................................5-150
5.6.10 FREQUENCY RATE OF CHANGE................................................................5-151
5.6.11 DIGITIZERS...................................................................................................5-153
5.6.12 8-BIT COMPARATORS.................................................................................5-156
5.6.13 8-BIT SWITCHES ..........................................................................................5-162
5.6.14 TRIP BUS.......................................................................................................5-164
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................5-166
5.7.2 VIRTUAL INPUTS..........................................................................................5-168
5.7.3 CONTACT OUTPUTS....................................................................................5-169
5.7.4 VIRTUAL OUTPUTS......................................................................................5-171
5.7.5 REMOTE DEVICES.......................................................................................5-172
5.7.6 REMOTE INPUTS..........................................................................................5-173
5.7.7 REMOTE OUTPUTS......................................................................................5-174
5.7.8 RESETTING...................................................................................................5-175
5.7.9 DIRECT INPUTS/OUTPUTS .........................................................................5-175
5.7.10 DIRECT ANALOG INPUTS AND OUTPUTS.................................................5-178
5.7.11 TELEPROTECTION INPUTS/OUTPUTS......................................................5-181
5.8 TRANSDUCER INPUTS/OUTPUTS
5.8.1 DCMA INPUTS ..............................................................................................5-183
5.8.2 RTD INPUTS..................................................................................................5-184
5.8.3 DCMA OUTPUTS ..........................................................................................5-185
5.9 TESTING
5.9.1 TEST MODE..................................................................................................5-189
5.9.2 FORCE CONTACT INPUTS..........................................................................5-189
5.9.3 FORCE CONTACT OUTPUTS......................................................................5-190
5.9.4 PHASOR MEASUREMENT UNIT TEST VALUES........................................5-191