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1MRS 751108-MUM

Protection Relay

Technical Reference Manual, General

REX 521

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If there are more auxiliary contacts available, an opening contact can be series
connected with the R

ext

-resistor. The shunt-resistor circuit is opened when the CB is

closed. Therefore the supervision of the auxiliary contact is also possible.

4.1.11.

Self-supervision

In order to avoid false operations due to relay faults and to maximize the overall
availability of the protection, a set of autodiagnostic circuit arrangements have been
implemented in the relay modules.

The different memory circuits, i.e. the RAM and the non-volatile memories, are
continuously tested with different methods.

TCS1

TCSSTATE ALARM

HW
SW

Sclose

TCS

X4.2

CBPOS_open

TCS blocking

int

CBPOS_open

TCS gesperrt

TCSopen

TCS1

TCSSTATE ALARM

HW
SW

TCS

X4.2

TCS blocking

CBPOS_open

int

ext

Содержание REX 521

Страница 1: ...REX 521 Protection Relay Technical Reference Manual General...

Страница 2: ......

Страница 3: ...ns 11 4 1 4 2 Low auxiliary voltage indication 12 4 1 5 Overtemperature indication 12 4 1 6 Analogue channels 12 4 1 6 1 Setting the rated values for the protected unit 12 4 1 6 2 Technical data of th...

Страница 4: ...and SA system tools 42 8 References 43 9 Index 44 10 Customer feedback 46 11 Appendix A The IEC 60870 5 103 bus 48 11 1 Functions supported by the REX 521 48 11 2 The general principle of application...

Страница 5: ...lways be followed The device contains components that are sensitive to electrostatic discharge The frame of the device has to be carefully earthed Only a competent electrician is allowed to carry out...

Страница 6: ...al applications include incoming and outgoing feeders as well as substation protection The protection relay is provided with energizing inputs for conventional current and voltage transformers Also a...

Страница 7: ...2 3 1 Hardware versions of the REX 521 Relay type REX 521 Version name Basic Medium High Sensor REX521xBxxx REX521xMxxx REX521xHxxx REX521xSxxx Transformer modules MIM 1 1 1 1 Transformers Current tr...

Страница 8: ...ly active gases or dust the relay should be visually inspected in association with the secondary testing The visual inspection should focus on Signs of mechanical damage to the relay case and terminal...

Страница 9: ...o be changed is entered by navigating in the menu structure For detailed instructions refer to Operator s Manual 1MRS751107 MUM 4 1 1 2 External parametrization The Relay Setting Tool is used for exte...

Страница 10: ...alues and registered data e g current digital input states can be uploaded by means of the Measurements Registered Data view 4 1 2 Non volatile memory The protection relay is equipped with a non volat...

Страница 11: ...e is a galvanically isolated flyback type DC DC converter A green LED indicator on the front panel is lit when the power supply module is in operation 4 1 4 1 Power supply versions There are two basic...

Страница 12: ...e channels The protection relay measures the analogue signals needed for protection measuring etc via galvanically separated matching transformers In addition current sensors Rogowski coil and voltage...

Страница 13: ...ia HMI The set values Configuration Meas devices will affect the measurements carried out by the REX 521 9DOXHV WR EH VHW IRU D FXUUHQW WUDQVIRUPHU rated primary current 0 6000 A of the current transf...

Страница 14: ...of the current sensor 1 0000 1 0000 9DOXHV WR EH VHW IRU D YROWDJH GLYLGHU division ratio of the voltage divider primary and secondary voltage 0 20000 rated value of primary phase to phase voltage 0...

Страница 15: ...voltage controlled and optically isolated For technical data of the digital inputs refer to Table 4 2 1 3 on page 31 4 1 7 1 Filtering of digital inputs The filter time eliminates debounces and short...

Страница 16: ...hrough the HMI or the Relay Setting Tool Configuration Digital inputs Input inversion When inverted the status of a digital input is TRUE 1 when no control voltage is applied to the terminals and FALS...

Страница 17: ...ee the figure below LJ LJK VSHHG VLQJOH SROH SRZHU RXWSXW 632 4 1 8 2 Single pole power outputs PO The single pole power outputs PO1 3 are outputs where the object to be controlled is connected in ser...

Страница 18: ...The test mode can be set with a parameter The green READY LED indicator will be blinking to announce that the test mode has been entered In this state the relay configuration is disconnected from the...

Страница 19: ...or the internal circuit s too low e g due to welded relay contacts the fault is detected Mathematically the operation condition can be expressed as where Uc operating voltage over the supervised trip...

Страница 20: ...connected with the Rext resistor The shunt resistor circuit is opened when the CB is closed Therefore the supervision of the auxiliary contact is also possible 4 1 11 Self supervision In order to avo...

Страница 21: ...fault If the fault is fatal the microcontroller tries to get the system to work by warm resetting ten times If this attempt is not successful a signal about the internal relay fault IRF is linked to...

Страница 22: ...r an internal fault be detected the contact gap 3 5 is opened LJ 6HOI VXSHUYLVLRQ RXWSXW 5 When a fault has been detected the green READY LED indicator starts blinking a fault indication text is displ...

Страница 23: ...TERNAL FAULT Relay SO2 16 Protection operative but the faulty output relay cannot be controlled INTERNAL FAULT Relay control 20 Protection inoperative An attempted relay control operation failed INTER...

Страница 24: ...or the Relay Setting Tool Main menu Configuration Communication Rear port 4 1 12 2 Front panel optical connection for a PC The front connector is standardized for ABB relay products and requires an o...

Страница 25: ...DPSOH RI D 63 EDVHG VXEVWDWLRQ DXWRPDWLRQ V VWHP In the case of longer transmission distance e g between MicroSCADA system and a substation a following Fig 4 1 12 4 2 system configuration is recommend...

Страница 26: ...ther manufacturers or other ABB companies may be used for various DI AI and DO functions MicroSCADA is used for remote control SPA loopsys MicroSCADA SPA ZC22 RS232C REX 521 REX 521 REXFRONT C E START...

Страница 27: ...us messages Status of breakers and isolators sliding window protocol Analogue measurement values sliding window protocol Other DI AI data sliding window protocol Other DO data transparent SPA bus mess...

Страница 28: ...ux 110 220 Vdc fn 50 60 Hz Un 100 120 V In 1 5A 0 2 1 A Io Iob In 1 5A REXFRONT C E START READY TRIP FEEDER PROTECTION REX 521 Order No REX521 AMHPL Serial No 000001 Uaux 110 240 Vac Uaux 110 220 Vdc...

Страница 29: ...ion message is received from the SNVT_Timestamp input network variable Time synchronization message is received from the nv_warning nv_clock input network variables Some additional comments The SNVT_T...

Страница 30: ...inuously 1 5 A 4 A 20 A for 1 s 20 A 100 A 500 A dynamic current withstand half wave value 50 A 250 A 1250 A input impedance 750 m 100m 20 m Voltage inputs rated voltage 100 V 110 V 115 V 120 V parame...

Страница 31: ...Continuous carry 5 A Make and carry for 0 5 s 30 A Make and carry for 3 s 15 A Breaking capacity when control circuit time constant L R 40 ms at 48 110 220 V dc 5 A 3 A 1 A Minimum contact load 100 mA...

Страница 32: ...6 kV for air discharge 8 kV Radio frequency interference test conducted common mode IEC 61000 4 6 IEC 60255 22 6 10 V rms f 150 kHz 80 MHz radiated amplitude modulated IEC 61000 4 3 IEC 60255 22 3 10...

Страница 33: ...xes CAP 501 CAP 505 LIB 510 SMS 510 110 All events are recorded in higher level syntax reason time date are in clear text format in the selected language The last 50 events are recorded Data recording...

Страница 34: ...DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 X3 1 DI9 I R F 3 8 7 6 10 11 9 5 4 SO1 X4 1 1 2 SO2 12 13 PO1 PO2 PO3 14 15 17 18 TCS1 HSPO1 X4 2 3 4 1 2 Block_Basic X3 2 X3...

Страница 35: ...X4 2 DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 X3 1 DI9 I R F 3 8 7 6 10 11 9 5 4 SO1 X4 1 1 2 SO2 12 13 PO1 PO2 PO3 14 15 17 18 TCS1 HSPO1 X4 2 3 4 1 2 Block_Medium X3...

Страница 36: ...DI4 DI5 DI6 DI7 DI8 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 X3 1 DI9 I R F 3 8 7 6 10 11 9 5 4 SO1 X4 1 1 2 SO2 12 13 PO1 PO2 PO3 14 15 17 18 TCS1 HSPO1 X4 2 3 4 1 2 Block_High X3 2 X3 3 CT1 CT2 CT3...

Страница 37: ...7 DI8 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 X3 1 DI9 I R F 3 8 7 6 10 11 9 5 4 SO1 X4 1 1 2 SO2 12 13 PO1 PO2 PO3 14 15 17 18 TCS1 HSPO1 X4 2 3 4 1 2 HighSensor X3 2 X3 3 CT4 CT5 VT1 I0 I0B U0 In H...

Страница 38: ...18 X4 2 X4 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 X3 1 1 2 3 4 5 6 7 8 9 10 X3 2 X3 3 CE Made in Finland X1 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Service pin1...

Страница 39: ...8 9 10 X3 2 X3 3 CE Made in Finland X1 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 RearViewHigh 1 Service pin RearViewMedium 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 X...

Страница 40: ...ntact the manufacturer or nearest representative of the manufacturer for further information about checking overhaul and recalibration of the relay To achieve the best possible operation accuracy all...

Страница 41: ...available in the REX 521 When ordering the other additional language must be defined according to the table below When ordering a REX 521 the latest hardware and configuration revisions are delivered...

Страница 42: ...rlier released revision A HQHUDO Local control and Local Remote selection Navigation from Event menu to Recorded data in the HMI Additional HMI languages French and Portuguese XQFWLRQ EORFNV DQG VWDQG...

Страница 43: ...ual 1MRS 751107 MUM Installation Manual 1MRS 750526 MUM Technical Descriptions of Functions CD ROM 1MRS750889 MCD Parameter List for REX 521 1MRS751999 RTI Event List for REX 521 1MRS752000 RTI Genera...

Страница 44: ...tomer feedback 46 D Digital inputs Filtering 15 Inversion 16 Technical data 31 Testing 18 Voltage range 11 Display language 41 E Electromagnetic compatibility 32 Energizing inputs 30 Environmental con...

Страница 45: ...values 12 Real time clock 11 Relay Setting Tool 9 Requirements 8 Revisions 42 Rogowski coil 12 14 15 S Scaling factors 12 Self supervision 22 Sensor 7 12 30 Serial communication 23 24 33 Service Pin 3...

Страница 46: ...Comment Query Complaint In case of feedback related to a specific product please state the name of the product Product Description What happened in the network How has the relay functioned What action...

Страница 47: ...____ Main menu Configuration Self supervision SW reset Digital I O aux voltage ___________________ IRF code __________________ __________________ Version of relay tools CAP 505 ___________________ LIB...

Страница 48: ...andard but the REX 521 application signal interface differs from this model Class 1 data buffering and priorities The internal IEC 60870 5 103 Class 1 buffer inside the REX 521 unit can store up to 50...

Страница 49: ...ASDU frames According to the standard the Meas I ASDU can have four different profiles and Meas II has one profile These five profiles are supported in the REX 521 In addition there are five more priv...

Страница 50: ...Erg nze Empfehlungen zur Anwendung in Verteilnetzstationen P Private definition Ftyp Function type Note If stated as the signal type Ftyp corresponds with the unit function type Unit function type may...

Страница 51: ...1 NOC3Inst 3I Directional overcurrent general START P 164 84 1 1 1 9 DOC6Low 3I Directional overcurrent TRIP P 164 90 0 1 1 DOC6Low 3I Directional overcurrent START P 164 94 1 1 1 9 DOC6High 3I Direc...

Страница 52: ...ystem Output relay 2 position PO1 P 251 28 1 1 1 9 system Output relay 3 position PO2 P 251 29 1 1 1 9 system Output relay 4 position PO3 P 251 30 1 1 1 9 system Output relay 5 position SO1 P 251 31 1...

Страница 53: ...ncy or overfrequency St1 TRIP2 P 171 91 0 1 1 Freq1St1 f2 Underfrequency or overfrequency St2 START1 P 172 84 1 1 1 9 Freq1St2 f2 Underfrequency or overfrequency St2 TRIP1 P 172 90 0 1 1 Freq1St2 f2 U...

Страница 54: ...te If stated as the signal type Ftyp corresponds with the unit function type Unit function type may be adjusted via the Function type parameter InfNum Information element number COT cmd Cause of trans...

Страница 55: ...number of the data values in the class 2 message data part Typ Meas type 3 or 9 when the definition is private meas type 9 is used Data Measurement data in class 2 message data part Not available Tabl...

Страница 56: ...al General REX 521 DPSOH If the set No 11 is used the ASDU octets will look like in the following figure LJ DPSOH RQ 6 8 RFWHWV 9 COT ADR 135 140 IL1 IL2 IL3 Io 5 Uo IECexamp TypeId VSQ Num of data Fu...

Страница 57: ...state Input 4 state Input 5 state Input 6 state Input 7 state Input 8 state Input 9 state Input states Output states Test mode Activate IRF Software reset Factory settings Send Neuron ID Load def conf...

Страница 58: ...al Current trafo 2 Corr factor 1 Current trafo 2 Displ error 1 Current trafo 2 Corr factor 2 Current trafo 2 Displ error 2 Current trafo 2 Second current Current trafo 3 Primary current Current trafo...

Страница 59: ...ltage Voltage trafo 4 Corr factor Voltage trafo 4 Displ error Voltage trafo 4 Output voltage Rog sensor 1 Rated current Rog sensor 1 Corr factor Rog sensor 1 Displ error Rog sensor 1 Output voltage Ro...

Страница 60: ...eference Manual General REX 521 14 Appendix D Parameters which require test mode Input 1 state Input 2 state Input 3 state Input 4 state Input 5 state Input 6 state Input 7 state Input 8 state Input 9...

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Страница 64: ...ABB Oy Substation Automation P O Box 699 FIN 65101 VAASA Finland Tel 358 10 22 11 Fax 358 10 224 1080 www abb com substationautomation 1MRS 751108 MUM EN 07 2002...

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