GE 845 Instruction Manual page 550

Transformer protection system
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REVISION HISTORY
A–4
Table A-4: Major Updates for 845-A3
PAGE
PAGE
CHANGES
NUMBER
NUMBER
(A2)
(A3)
-
4-10
Added new Custom Configuration section to Setpoints>Device
4-39
4-37
Changed DNP 3 to DNP Protocol
-
4-69
Added Event data section to Setpoints>Device
-
4-300
Added Harmonic detection section to Setpoints>Monitoring
Revised the FlexLogic table to add Flexlogic operands for
4-336
4-337
Harmonic detection
Moved RTD Temperature section from Setpoints>RTD
4-355
4-304
Temperature to Setpoints>Monitoring>RTD Temperature
4-347
Added Testing>Simulation section after FlexLogic section
-
5-2
Updated Status chapter to include Last trip data section
-
6-11
Added Harmonic magnitude section to Metering chapter
6-11
6-12
Replaced Harmonics 1 with Harmonics 1 (Harmonics 4)
6-12,
6-13, 6-14 -
Removed Harmonics 2, 3, and 4
Updated Metering chapter to include Harmonic detection
-
6-13
section
-
6-16
Added Power factor section
-
6-21
Added FlexElements section
Table A-5: Major Updates for 845-A2
PAGE
PAGE
CHANGES
NUMBER
NUMBER
(A1)
(A2)
Manual revision number from A1 to A2 and product version
revision from 1.4x to 1.5x
1-8
1-8
Updated 845 order codes, see slots B, C, G and H
1-10
1-10
Added Arc Flash specifications to Specifications>Protection
1-22, 1-23 1-22, 1-23 Added Analog Inputs and Analog Outputs to
Specifications>Inputs and Specifications>Outputs respectively
2-8, 2-9,
2-9, 2-10,
Revised all Typical Wiring diagrams to add Arc Flash, Analog
2-10. 2-11
2-11, 2-12
Inputs and LVIO; replaced existing RTD details
4-126,
Added Analog Inputs and Analog Outputs details to
4-
4-137
Setpoints>Inputs and Setpoints>Outputs
4-
4-304
Added Arc Flash protection details to Setpoints>Control
4-320
4-336
Revised the FlexLogic table to add the new Flexlogic operands
4-337
4-353
Updated RTD Temperature details, i.e. table
5-
5-2
Updated Status chapter to include Arc Flash status description
Updated Metering chapter to include Arc Flash and Analog
6-
6-18, 6-19
Inputs
-
8-1
Added new chapter for Transformer M&D information
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER A: APPENDIX A

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