GE AKR-30 Series Maintenance Manual page 83

SECTION 1 0
1 0.0 TYPE SST OVERCURRENT
TRIP DEVICE
1 0.1 Programmer Unit
1 0.2 Current Sensors
1 0.2.1 Replacement of Current
Sensors
1 0.3 Flux Shift Tri p Device
1 0.4 Troubleshooti ng
1 0.4. 1 SST Test Set
1 0.4.2 Resistance Values
1 0.4.3 False Tri pping- Breakers
Equ i pped with G round Fault
1 0.5 SST Cabl ing Diag rams
SECTION 1 1
1 1 .0 TYPE ECS OVERCURRENT
TRI P D EVICE
1 1 .1 ECS Cabl ing Diag ram
SECTION 1 2
M ICROVERSATRI P '" TRIP D EVICE 58
1 2.0
1 2. 1 Programmer Unit
1 2. 1 .1 Fault Trip Indicators
Remote Fault Indication
1 2. 1 .2
1 2. 1 .3 MicroVersaTrip� Installation
1 2.2 Current Sensors
1 2.2.1 Replacement of Current
Sensors
1 2.3 Flux Sh ifter Tri p Device
1 2.4 Troubleshooting
1 2.4. 1 Resistance Values
1 2.4.2 False Tri pping- Breakers
Equ ipped with Ground Fault
1 2 .5
MicroVersaTrip .. Cabl ing Diag rams 66
SECTION
1 3
1 3.0 RMS-9 & EPIC M I CROVERSATRI P '"70
1 3. 1 Programmer U n it
1 3 . 1 . 1 Fault T r i p Indicators
1 3 . 1 . 2 RMS-9 & E p i c MicroVersaTrip
I nstallation
1 3. 2 Current Sensors
1 3. 2 . 1 Replacement of Current Sensors
1 3 .3 Flux Sh ifter Trip Device
1 3.4 Troubleshooting
1 3. 4 . 1 Resistance Values
False Trip ping-Breakers
1 3.4.2
Eq u ip ped With G round Fault
Cabling Diagrams
1 3.5
Page
45 SECTION 1 4
1 4. 0
45
1 4. 1
45
1 4. 2
46
1 4.3
1 4 .4
48
1 4. 5
48
1 4. 6
51
1 4 .7
52
52
1 4.8 Trip Unit Functions
1 4.9
53
SECTION 1 5
53
1 5 .0
56
1 5 . 1
1 5. 1 . 1
56
57
1 5. 1 .2 Instantaneous Low-Set Tripping
1 5 . 1 .3 Instantaneous H ig h -Set Tripping
58
1 5 .2
Tripping Device EC-1
58
1 5 . 2 . 1
58
1 5. 2 . 2 Long Time-Delay Tri pping
58
1 5 .2.3 Instantaneous Tri p ping
59
1 5 .2 .4 EC-1 Adjustment
60 1 5.3
1 5. 4
1 5. 4 . 1 Adjustment
63
1 5.4.2 Replacement
64
1 5.5
64
Trip Device Replacement
1 5. 6
65
65
70
7 0
7 0
7 1
7 1
7 4
74
7 4
7 4
75
7 5
M ICROVERSATRI P '" P LUS AND
M ICROVERSATRIP PM TRIP U N ITS 7 7
Trip U n it
Testing
Product Structure
Trip Unit Removal and Replacement 79
Phase Current Sensors
Neutral Current Sensors
Rating Plug Removal and
Replacement
Trouble-Shooting Guide
EC T R I P DEVI CE
Series Overcurrent Tripping
Device EC-2A
Long Time-Delay and High-Set
I nstantaneous Tri p ping
Series Overcurrent
Short Time-Delay Tri pping
Positive Trip Adjustment
Reverse Current Tripping Device
Switchette Feature
Page
77
7 7
78
78
80
8 1
8 1
82
83
84
84
86
86
86
86
87
87
87
88
88
88
89
90
90
90
90
3