GE 845 User Manual

A–2 845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
REVISION HISTORY CHAPTER A: APPENDIX A
Major Updates
Table A-2: Major Updates for 845-A5
Chapter CHANGES
cover
Manual revision number from A4 to A5 and product version revision from
1.7x to 2.0x
1 Added Accessories list to Order Code section
1
Added note to Order Code section: Refer to the online store for available
order code combinations.
2 Added depth-reducing collar installation instructions and dimensions
3
Revised Single Line Diagram section, see Interfaces > Front Panel Interface
> Graphical Display Pages
3
Added new SLD Configurator section see Interfaces> Software Interface >
Advanced EnerVista 8 Series Setup Software Features
4
Added new Tab Pushbuttons section to Setpoints > Device > Front Panel >
Tab Pushbuttons
4
Added new Annunciator with Panel section to Setpoints > Device > Front
Panel > Annunciator
4
Added new Switches section (for disconnect switch setup) to Setpoints >
System > Switches
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

GE 845 Specifications

General

Brand	GE
Model	845
Category	Protection Device
Language	English