GE 845 - Page 549

CHAPTER A: APPENDIX A REVISION HISTORY
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL A–3
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-3: Major Updates for 845-A4
PAGE
NUMBER
(A3)
PAGE
NUMBER
(A4)
CHANGES
cover cover
Manual revision number from A3 to A4 and product version
revision from 1.6x to 1.7x
1-21 1-21
Changed Time Delay to 200,000,000 ms for
Introduction>Specifications>User-Programmable
Elements>FlexCurves
2-9 2-9
Replaced typical wiring diagram for 2-winding transformer with
VTs on HV side (894117A3.cdr) with 892841A1.pdf.
2-10 2-11
Replaced typical wiring diagram for 2-winding transformer with
VTs on LV side (894011A3.cdr) with 892822A1.pdf.
2-11 2-12
Replaced typical wiring diagram for 2-winding transformer
without VTs (894012A3.cdr) with 892823A1.pdf.
2-12 2-13
Replaced typical wiring diagram for 3-winding transformer
(894013A3.cdr) with 892789A1.pdf.
4-, 5-, 6-.
7-
4-, 5-, 6-,
7-
Removed the HMIs associated with the path description in each
chapter
4-28 4-29
Replaced single communications card option with two
communications card options for "S" and "C" in Setpoints >
Device > Communications > Ethernet Ports
- 4-61
Updated Setpoints>Device>Installation to add Voltage Cutoff
and Current Cutoff settings
- 4-283 Added new RTD Trouble section to Setpoints>Monitoring
4-337 4-314 Updated the FlexLogic Operands table
Table A-4: Major Updates for 845-A3
PAGE
NUMBER
(A2)
PAGE
NUMBER
(A3)
CHANGES
cover cover
Manual revision number from A2 to A3 and product version
revision from 1.5x to 1.6x
cover cover Replaced GE Digital Energy with GE Grid Solutions throughout
1-18 1-19
Added Harmonic detection specification to
Specifications>Monitoring
Revised the Line VT Connections diagram to 892776A3.cdr
Table A-2: Major Updates for 845-A5
Chapter CHANGES