GE 850 - Page 660

A–4 850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
REVISION HISTORY CHAPTER A: APPENDIX A
4
Revised Breaker logic diagram to 892740A2.cdr to update settings for
contact input 52a, 52b and remove the breaker disconnected dependencies
4
Revised Undercurrent logic diagram to 894205A1.cdr to add setting for
signal input
4 Added new SOTF section to Setpoints > Protection
4
Revised Negative Sequence Directional OC logic diagram to 894204A1.cdr to
add setting for signal input
4
Revised Broken Conductor logic diagram to 894043A2.cdr to add setting for
signal input
4
Revised Load Encroachment logic diagram to 894044A2.cdr to add settings
for CT input and VT inputs
4
Revised Thermal Overload logic diagram to 894045A3.cdr to add setting for
signal input
4
Added new Timed Undervoltage section to Setpoints > Protection > Voltage
Elements
4
Added new UV Reactive Power section to Setpoints > Protection > Voltage
Elements
4
Revised Neutral Overvoltage logic diagram to 894050A2.cdr to add setting
for signal input
4
Revised Negative Sequence OV logic diagram to 894051A2.cdr to add
setting for signal input
4 Added new Admittance section to Setpoints > Protection
4
Revised Wattmetric Ground Fault logic diagram to 894053A2.cdr to add
settings for CT and VT inputs
4
Revised Power Factor logic diagram to 894059A3.cdr to add setting for
signal input
4
Revised Pulsed Outputs logic diagram to 894064A2.cdr to add setting for
signal input
4
Revised Harmonic Detection logic diagram to 894001A2.cdr to correct
output relay numbering.
4 Added new Local Control Mode section, see Setpoints > Control
4 Added new Breaker Control section, see Setpoints > Control
4
Added new Switch Control (for disconnect switch control) section to
Setpoints > Control > Switch Control
4 Added new Pole Discordance section to Setpoints > Control
4 Added new CT Supervision section to Setpoints > Control
4 Added new Ethernet Loopback test section to Setpoints > Testing
Table A-5: Major Updates for 850-AA
PAGE
NUMBER
(A9)
PAGE
NUMBER
(AA)
CHANGES
cover cover
Manual revision number from A9 to AA, 850 version updated to
1.7x
Table A-4: Major Updates for 850-AB
Chapter SECTION and CHANGES