Table Of Contents - ABB REJ 527 Technical Reference Manual

ABB Substation Automation
Products and Systems
1MRS750616-MUM
Technical Reference Manual
Contents
1. Introduction ...........................................................................................5
1.1. About this manual .........................................................................5
1.2. The use of the relay ......................................................................5
1.3. Features ........................................................................................5
1.4. Guarantee .....................................................................................6
2. Safety information .................................................................................7
3. Instructions ...........................................................................................8
3.1. Application .....................................................................................8
3.2. Requirements ................................................................................8
3.3. Configuration .................................................................................9
4. Technical description ..........................................................................10
4.1. Functional description .................................................................10
4.1.1. Product functions ................................................................10
4.1.1.1. Schema of product functions .......................................10
4.1.1.2. Earth-fault current, zero-sequence voltage and
intermittent earth-faults ................................................10
4.1.1.3. Inputs ...........................................................................11
4.1.1.4. Outputs ........................................................................11
4.1.1.5. Circuit-breaker failure protection .................................11
4.1.1.6. Disturbance recorder ...................................................11
4.1.1.7. MMI module .................................................................11
4.1.1.8. Self-supervision ...........................................................12
4.1.2. Configuration ......................................................................12
4.1.3. Protection ............................................................................13
4.1.3.1. Block diagram ..............................................................13
4.1.3.2. Directional or non-directional earth-fault current unit ..13
4.1.3.3. Zero-sequence voltage unit .........................................17
4.1.3.4. Protection against intermittent earth-faults ..................18
4.1.3.5. Time/current characteristics ........................................19
4.1.3.6. Settings .......................................................................23
4.1.3.7. Technical data of protection functions .........................31
4.1.4. Monitoring ...........................................................................33
4.1.5. Self-supervision (IRF) .........................................................33
4.1.6. I/O test ................................................................................34
4.1.7. Disturbance recorder ..........................................................34
4.1.7.1. Function .......................................................................34
4.1.7.2. Recorder data ..............................................................34
4.1.7.3. Control and indication of recorder status .....................34
4.1.7.4. Triggering ....................................................................35
4.1.7.5. Settings and unloading ................................................35
4.1.7.6. Event code ..................................................................36
4.1.8. Recorded data ....................................................................36
4.1.9. External serial communication ............................................37
REJ 527
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