GE G60 Instruction Manual page 8
Generator protection system
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- Instruction manual (780 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (430 pages)
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8 APPLICATION OF
viii
6.5.2
Event records ....................................................................................................................... 6-30
6.5.3
Oscillography ....................................................................................................................... 6-31
6.5.4
Data logger ........................................................................................................................... 6-31
6.5.5
Phasor Measurement Unit records ........................................................................... 6-32
6.6
Product information.............................................................................................6-32
6.6.1
Model information ............................................................................................................. 6-32
6.6.2
Firmware revisions ............................................................................................................ 6-33
7.1
Commands menu ...................................................................................................7-1
7.1.1
Virtual inputs ...........................................................................................................................7-2
7.1.2
Clear records...........................................................................................................................7-2
7.1.3
Set date and time..................................................................................................................7-3
7.1.4
Relay maintenance ..............................................................................................................7-3
7.1.5
Phasor Measurement Unit one-shot ...........................................................................7-4
7.1.6
Security ......................................................................................................................................7-6
7.2
Targets menu ..........................................................................................................7-6
7.2.1
Target messages...................................................................................................................7-7
7.2.2
Relay self-tests .......................................................................................................................7-7
8.1
Overview ..................................................................................................................8-1
8.2
Settings.....................................................................................................................8-2
8.2.1
System setup...........................................................................................................................8-2
8.2.2
Power system .........................................................................................................................8-3
8.2.3
Signal sources ........................................................................................................................8-4
8.2.4
Stator differential ..................................................................................................................8-4
8.2.5
Generator unbalance..........................................................................................................8-4
8.2.6
Loss of excitation ..................................................................................................................8-5
8.2.7
Reverse power........................................................................................................................8-6
8.2.8
System backup overcurrent.............................................................................................8-7
8.2.9
Backup distance....................................................................................................................8-8
8.2.10
Stator ground fault...............................................................................................................8-9
8.2.11
Overexcitation ..................................................................................................................... 8-11
8.2.12
Inputs/outputs..................................................................................................................... 8-12
8.2.13
Frequency.............................................................................................................................. 8-13
8.2.14
Accidental energization .................................................................................................. 8-14
8.2.15
FlexLogic ................................................................................................................................ 8-14
8.3
Phase distance through power transformers .................................................8-15
8.3.1
Phase distance protection............................................................................................. 8-15
8.3.2
Example.................................................................................................................................. 8-17
9.1
Testing ......................................................................................................................9-1
9.1.1
Testing underfrequency and overfrequency elements.......................................9-1
10.1 Phase distance through power transformers .................................................10-1
10.1.1
Example.................................................................................................................................. 10-5
10.2 Saturation detector..............................................................................................10-7
10.2.1
CT saturation detection................................................................................................... 10-7
11.1 Monitoring .............................................................................................................11-1
11.1.1
Devices with Site Targets ............................................................................................... 11-1
11.1.2
Data with Modbus Analyzer.......................................................................................... 11-1
G60 GENERATOR PROTECTION SYSTEM - INSTRUCTION MANUAL
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