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Table 220. Voltage unbalance (VSQVUB)

Characteristic Value

Operation accuracy ±1.5% of the set value or ±0.002 × U

Reset ratio Typically 0.96

Table 221. Voltage unbalance (VSQVUB) main settings

Parameter Function Value (Range) Step

Operation VSQVUB 1 = on

5 = off

Unb detection method VSQVUB 1 = Neg Seq

2 = Zero Seq

3 = Neg to Pos Seq

4 = Zero to Pos Seq

5 = Ph vectors Comp

1MRS759144 A

REX640

Product version: 1

ABB 97

Table of Contents2
Description3
Product Version3
REX640 Base and Optional Functionality3
Application Packages3
Module Slots4
Relay Hardware4
- Hardware Module Slot Overview of the REX640 Relay5
- Module Description6
- Test and Commissioning Support in the Local HMI7
Local HMI Pages7
- LHMI Pages8
- LHMI Connectors9
- Feeder Application10
Application10
- Transformer Application11
- Motor Application12
- Autosynchronizer Application13
- Busbar Protection Application14
- Arc Flash Protection Application15
- Generator Application16
- Digital Switchgear Application17
Supported ABB Solutions18
Control20
Arc Flash Protection20
Power Transformer Differential Protection20
Measurements21
Power Quality21
Fault Locator21
Disturbance Recorder21
Event Log22
Recorded Data22
Load Profile23
Trip Circuit Supervision23
Self-Supervision23
Access Control and Cybersecurity23
Station Communication23
- Parallel Redundancy Protocol (PRP) Solution24
- High-Availability Seamless Redundancy (HSR) Solution25
- Ptpv2 Features26
- Supported Station Communication Interfaces and Protocols26
Protection Communication and Supervision26
- Fiber-Optic Communication Link27
- Pilot Wire Protection Communication Link27
- Power Supply for the Relay28
- Dimensions of the Relay28
- Dimensions of the LHMI28
Technical Data28
- Power Supply for the LHMI29
- Energizing Inputs29
- Energizing Inputs (Sensors)29
- Binary Inputs30
- Rtd/Ma Inputs and Ma Outputs30
- Signal Outputs and IRF Output30
- Single-Pole Power Output Relays31
- Static Signal Output (SSO) Relays31
- Double-Pole Power Output Relays with TCS Function31
- Ethernet Interfaces32
- USB Interface, LHMI32
- Serial Rear Interface32
- Static Power Output (SPO) Relays32
- IRIG-B (Connector X8)33
- Lens Sensor and Optical Fiber for Arc Protection33
- Degree of Protection of Flush-Mounted Protection Relay33
- Degree of Protection of the LHMI33
- Electromagnetic Compatibility Tests34
- Insulation Tests35
- Mechanical Tests36
- Environmental Tests36
- Product Safety36
- EMC Compliance36
- Protection Functions37
- Distance Protection (DSTPDIS)37
- Distance Protection (DSTPDIS) Main Settings38
- Scheme Communication Logic (DSOCPSCH) Main Settings40
- Local Acceleration Logic (DSTPLAL)40
- Scheme Communication Logic (DSOCPSCH)40
- Local Acceleration Logic (DSTPLAL) Main Settings40
- Current Reversal and Weak-End Infeed Logic (CRWPSCH)41
- Current Reversal and Weak-End Infeed Logic (CRWPSCH) Main Settings41
- Communication Logic for Residual Overcurrent (RESCPSCH)41
- Communication Logic for Residual Overcurrent (RESCPSCH) Main Settings41
- Binary Signal Transfer (BSTGAPC)43
- Switch-Onto-Fault Protection (CVPSOF)43
- Switch-Onto-Fault Protection (CVPSOF) Main Settings43
- Three-Phase Non-Directional Overcurrent Protection (Phxptoc)44
- Three-Phase Directional Overcurrent Protection (Dphxpdoc)45
- Non-Directional Earth-Fault Protection (Efxptoc)46
- Non-Directional Earth-Fault Protection (Efxptoc) Main Settings46
- Directional Earth-Fault Protection (Defxpdef)47
- Directional Earth-Fault Protection (Defxpdef) Main Settings48
- Three-Phase Power Directional Element (DPSRDIR) Main Settings48
- Neutral Power Directional Element (DNZSRDIR) Main Settings48
- Admittance-Based Earth-Fault Protection (EFPADM)49
- Admittance-Based Earth-Fault Protection (EFPADM) Main Settings49
- Multifrequency Admittance-Based Earth-Fault Protection (MFADPSDE)50
- Wattmetric-Based Earth-Fault Protection (WPWDE)50
- Wattmetric-Based Earth-Fault Protection (WPWDE) Main Settings51
- Transient/Intermittent Earth-Fault Protection (INTRPTEF)51
- Transient/Intermittent Earth-Fault Protection (INTRPTEF) Main Settings51
- Harmonics-Based Earth-Fault Protection (HAEFPTOC)52
- Harmonics-Based Earth-Fault Protection (HAEFPTOC) Main Settings52
- Negative-Sequence Overcurrent Protection (NSPTOC)52
- Residual Overvoltage Protection (ROVPTOV)53
- Phase Discontinuity Protection (PDNSPTOC)53
- Phase Discontinuity Protection (PDNSPTOC) Main Settings53
- Negative-Sequence Overcurrent Protection (NSPTOC) Main Settings53
- Residual Overvoltage Protection (ROVPTOV) Main Settings54
- Three-Phase Undervoltage Protection (PHPTUV)54
- Three-Phase Undervoltage Protection (PHPTUV) Main Settings54
- Three-Phase Overvoltage Variation Protection (PHVPTOV)54
- Three-Phase Overvoltage Variation Protection (PHVPTOV) Main Settings55
- Three-Phase Overvoltage Protection (PHPTOV)55
- Three-Phase Overvoltage Protection (PHPTOV) Main Settings55
- Positive-Sequence Overvoltage Protection (PSPTOV)56
- Positive-Sequence Overvoltage Protection (PSPTOV) Main Settings56
- Positive-Sequence Undervoltage Protection (PSPTUV)56
- Positive-Sequence Undervoltage Protection (PSPTUV) Main Settings56
- Frequency Protection (FRPFRQ)57
- Negative-Sequence Overvoltage Protection (NSPTOV) Main Settings57
- Negative-Sequence Overvoltage Protection (NSPTOV)57
- Frequency Protection (FRPFRQ) Main Settings58
- Three-Phase Voltage-Dependent Overcurrent Protection (PHPVOC)58
- Overexcitation Protection (OEPVPH)59
- Overexcitation Protection (OEPVPH) Main Settings59
- Three-Phase Thermal Overload Protection, Two Time Constants (T2PTTR)60
- Three-Phase Overload Protection for Shunt Capacitor Banks (COLPTOC)61
- Current Unbalance Protection for Shunt Capacitor Banks (CUBPTOC)61
- Directional Negative-Sequence Overcurrent Protection (DNSPDOC)64
- Low-Voltage Ride-Through Protection (LVRTPTUV)64
- Low-Voltage Ride-Through Protection (LVRTPTUV) Main Settings65
- Voltage Vector Shift Protection (VVSPPAM)65
- Voltage Vector Shift Protection (VVSPPAM) Main Settings66
- Directional Reactive Power Undervoltage Protection (DQPTUV )66
- Reverse Power/Directional Overpower Protection (DOPPDPR)67
- Underpower Protection (DUPPDPR)67
- Underpower Protection (DUPPDPR) Main Settings68
- Three-Phase Underimpedance Protection (UZPDIS)68
- Three-Phase Underexcitation Protection (UEXPDIS)68
- Three-Phase Underexcitation Protection (UEXPDIS) Main Settings69
- Third Harmonic-Based Stator Earth-Fault Protection (H3EFPSEF)69
- Rotor Earth-Fault Protection, Injection Method (MREFPTOC)70
- High-Impedance or Flux-Balance Based Differential Protection (MHZPDIF)70
- Out-Of-Step Protection OOSRPSB71
- Out-Of-Step Protection (OOSRPSB) Main Settings71
- Negative-Sequence Overcurrent Protection for Machines (MNSPTOC)71
- Loss of Load Supervision (LOFLPTUC)72
- Loss of Phase, Undercurrent (PHPTUC) Main Settings72
- Loss of Phase, Undercurrent (PHPTUC)72
- Motor Start-Up Supervision (STTPMSU)73
- Loss of Load Supervision (LOFLPTUC) Main Settings73
- Motor Load Jam Protection (JAMPTOC) Main Settings73
- Motor Load Jam Protection (JAMPTOC)73
- Motor Start-Up Supervision (STTPMSU) Main Settings74
- MSCPMRI Group Settings (Basic)74
- Phase Reversal Protection (PREVPTOC)74
- Phase Reversal Protection (PREVPTOC) Main Settings74
- Thermal Overload Protection for Motors (MPTTR)75
- Thermal Overload Protection for Motors (MPTTR) Main Settings75
- Table 151. Underpower Factor Protection (MPUPF)76
- Table 152. Underpower Factor Protection (MPUPF) Main Settings76
- High-Impedance Based Restricted Earth-Fault Protection (HREFPDIF)79
- Circuit Breaker Failure Protection (CCBRBRF) Main Settings80
- Circuit Breaker Failure Protection (CCBRBRF)80
- High-Impedance Differential Protection (Hixpdif)80
- Three-Phase Inrush Detector (INRPHAR)81
- Three-Phase Inrush Detector (INRPHAR) Main Settings81
- Arc Protection (ARCSARC) Main Settings81
- High-Impedance Fault Detection (PHIZ) Main Settings81
- Fault Locator (SCEFRFLO)82
- Fault Locator (SCEFRFLO) Main Settings82
- Load-Shedding and Restoration (LSHDPFRQ)82
- Load-Shedding and Restoration (LSHDPFRQ) Main Settings83
- Multipurpose Protection (MAPGAPC)83
- Multipurpose Protection (MAPGAPC) Main Settings83
- Operation Characteristics84
- Emergency Start-Up (ESMGAPC) Main Settings85
- Autoreclosing (DARREC)85
- Emergency Start-Up (ESMGAPC)85
- Control Functions85
- Autosynchronizer for Network Breaker (ASNSCSYN)86
- Autosynchronizer for Network Breaker (ASNSCSYN) Main Settings87
- Synchronism and Energizing Check (SECRSYN) Main Settings88
- Tap Changer Control with Voltage Regulator (OL5ATCC)88
- Tap Changer Control with Voltage Regulator (OL5ATCC) Main Settings89
- Petersen Coil Controller (PASANCR) Main Settings90
- Condition Monitoring and Supervision Functions91
- Circuit-Breaker Condition Monitoring (SSCBR)91
- Current Circuit Supervision (CCSPVC)91
- Current Circuit Supervision (CCSPVC) Main Settings91
- Runtime Counter for Machines and Devices (MDSOPT)92
- Fuse Failure Supervision (SEQSPVC)92
- Current Circuit Supervision for Transformers (CTSRCTF) Main Settings92
- Runtime Counter for Machines and Devices (MDSOPT) Main Settings93
- Three-Phase Remanent Undervoltage Supervision (MSVPR)93
- Three-Phase Remanent Undervoltage Supervision (MSVPR) Main Settings93
- Measurement Functions94
- Three-Phase Current Measurement (CMMXU)94
- Sequence Current Measurement (CSMSQI)94
- Residual Current Measurement (RESCMMXU)94
- Residual Voltage Measurement (RESVMMXU)95
- Three-Phase Power and Energy Measurement (PEMMXU)95
- Frequency Measurement (FMMXU)95
- Tap Changer Position Indication (TPOSYLTC)95
- Power Quality Functions96
- Voltage Variation (PHQVVR)96
- Voltage Variation (PHQVVR) Main Settings96
- Voltage Unbalance (VSQVUB) Main Settings97
- Voltage Unbalance (VSQVUB)97
- Logging Functions98
- Other Functionality99
- Pulse Timer, Eight Channels (PTGAPC)99
- Time Delay Off, Eight Channels (TOFPAGC)99
- Time Delay On, Eight Channels (TONGAPC)99
Mounting Methods100
Selection and Ordering Data100
Modification Sales100
Mounting101
Accessories and Ordering Data101
- Arc Sensors102
- Connectors102
Tools102
- Supported Functions103
- Tools103
- AIM1001 Module104
Module Diagrams104
- AIM1002 Module105
- SIM1001 Module106
- BIO1001/BIO1003 Modules108
- BIO1002/BIO1004 Modules109
- Psm100X Module110
- RTD1001 Module111
Certificates113
References113
Functions, Codes and Symbols114
Contents of Application Packages121
Base and Optional Functionality122
Document Revision History127

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ABB REX640 Specifications

General

Device Type	Protection Relay
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Rated Frequency	50/60 Hz
Operating Temperature Range	-25°C to +55°C
Display	LCD
Housing	Metal
Manufacturer	ABB
Model	REX640
Mounting	Rack mounting
Inputs and Outputs	Configurable binary inputs and outputs
Rated Voltage	48-240 V AC/DC
Protection Functions	Overcurrent, Earth Fault
Input Voltage	48-240 V AC/DC
Certifications	CE, UL, IEC