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REJ 521
Earth-Fault Relay

Operator’s Manual

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Summary of Contents for REJ 521

Page 1: ...REJ 521 Earth Fault Relay Operator s Manual ...

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Page 3: ...ttons 10 3 1 4 How to select language 11 3 1 5 Main menu 12 3 1 6 Submenu 12 3 1 7 How to switch between the front and the rear connector 12 3 1 8 Passwords 13 3 2 HMI operation levels 14 3 2 1 Main level 14 3 2 2 User level 14 3 2 2 1 Menu groups of the user level 14 3 2 2 2 How to monitor measured values 14 3 2 2 3 How to monitor recorded data 15 3 2 2 4 INFO 16 3 2 3 Technical level 16 3 2 3 1 ...

Page 4: ... 2 Commissioning testing 26 5 2 1 Function test 26 5 2 2 Binary input test 27 5 2 3 LED test 27 5 3 Secondary injection testing 27 5 3 1 Testing of the earth fault measuring transformer 29 5 3 2 Testing of the earth fault stages 29 5 3 2 1 Low set stage I0 29 5 3 2 2 High set stage I0 29 5 3 3 Testing of the self supervision system IRF 30 5 4 Spare parts 30 6 Ordering information 31 7 References 3...

Page 5: ...l of the relay can be carried out using a portable computer connected to the front connector and remote control via the rear connector connected to the distribution automation system through the serial interface and the fibre optic bus 1 3 Features Low set non directional earth fault stage with definite time or indefinite minimum time IDMT characteristic High set non directional earth fault stage ...

Page 6: ...t functions freely configurable for desired operation Optical PC connector for two way data communication front RS 485 connector rear for system communication Continuous self supervision of electronics and software At an internal relay fault IRF all protection stages and outputs are blocked User selectable rated frequency 50 60 Hz User selectable password protection for the HMI Display of primary ...

Page 7: ...s be followed The device contains components which are sensitive to electrostatic discharge The frame of the device has to be carefully earthed Only a competent electrician is allowed to carry out the electrical installation Non observance can result in death personal injury or substantial property damage Breaking the sealing tape on the rear panel of the device will result in loss of warranty and...

Page 8: ...ip an HMI push button section with four arrow buttons and buttons for clear and enter an optically isolated serial communication port LJ URQW YLHZ RI WKH UHOD 1 LCD 2 Optical PC connector 3 HMI push button section 4 Indicator LEDs Left Ready green Centre Start yellow Right Trip red REJ 521 Order No REJ521B 413 BAA Article No 1MRS118011 Serial No ER 000001 Uaux 110 240 Vac Uaux 48 220 Vdc fn 50 60 ...

Page 9: ...y before the auxiliary voltage was disconnected will reappear on the display LJ LVSOD WHVW DW SRZHU XS 3 1 2 2 Display idle mode When the relay is in the idle mode the station name will be displayed which by default is ABB To change the station name use SPA parameter M20 LJ LVSOD LQ WKH LGOH PRGH 3 1 2 3 Display backlight Normally the backlight of the display is off The backlight is turned on at t...

Page 10: ...t desired menu items To move between the menu items use the arrow buttons The item to be edited is selected and the value stored by pressing the E button To increase or decrease the activated digit and to shift the activated decimal point use the and buttons To cancel and return the HMI to the idle mode press the C button Contr E and Push increase decrease Table 3 1 3 1 Button navigation and editi...

Page 11: ...d confirm the selection by pressing the E button The selected language will be shown on the display 6 Press the C button to return the HMI to the idle mode By pressing the C button before confirming the selection the former language will remain active and the display will be returned to the view mode Pressing the C button again will return the display to the idle mode Adjusting the display contras...

Page 12: ...of the group menu the name of the parameter and the parameter value or just the parameter value in which case it is also the name of the parameter is shown LJ 7KH GLVSOD VKRZLQJ WKH ILUVW VXEPHQX To enter a submenu press the button to exit press the button Press the C button to return the display to the idle mode To navigate between the main levels in the submenus use the or button 3 1 7 How to sw...

Page 13: ...d person The HMI password protection function will remain inactive until the default password has been replaced The default HMI password is 999 and the default SPA password 001 The passwords can be changed but not read from a remote unit The SPA password can be changed via the serial bus by first entering the currently valid password into parameter V160 and then entering the new password into para...

Page 14: ...lue RECORDED DATA stored alarm event values from the protection stages INFO information on the relay e g relay name serial number Data of every menu group can be monitored without a password 3 2 2 2 How to monitor measured values Measured values can be monitored either via MEASUREMENTS in the HMI menu or by activating the monitoring state To access measured values via the HMI menu 1 Press the butt...

Page 15: ...ial parameter M80 has been set via serial communication 3 2 2 3 How to monitor recorded data The contents of the event register are found under the main menu group RECORDED DATA 1 Choose RECORDED DATA in the main menu and press the button to enter the first event 2 To navigate between the events use the and buttons 3 To enter or exit a submenu use the or button 4 To return the HMI to the idle mode...

Page 16: ...n use no password will be required to change the parameters If the password protection is in use will be shown on the display until the valid HMI password has been given The views are used for reading setting parameters measured values etc The parameters are divided into two main groups SETTINGS CONFIGURATION Recd_521 INFO C 1 I0 In x xx 1 t0 xxx 1 t0 xxx Main Menu Group Menu Parameter Menu SETTIN...

Page 17: ...gs are to be altered proceed as follows 1 Select the main menu group SETTINGS and further PROTECT STAGES Press the button to enter the first submenu group 2 Use the arrow button to select the parameter to be changed and press the button 3 To enter setting group 2 press the button The active setting group is indicated by an asterisk 4 Enter the setting mode by pressing the E button If the default p...

Page 18: ...GF2 xxx SGF3 xxx SGF1 xxx SGB1 xxx SGR2 xxx SGR3 xxx SGR4 xxx SGR1 xxx CBFP s x xx DISABLED MIN xxx Sett_521 Main Menu Group Menu Parameter Menus SETTINGS CONFIGURATION MEASUREMENTS RECORDED DATA Cancel SETTINGS PROTECT STAGES GROUP 1 GROUP 2 NEW TRIP IND MEMORY SETTINGS Edit Confirm SETTINGS GRP 2 I x xx GRP 1 I x xx SETTINGS SETTINGS GRP 1 SGF1 xxx GRP 2 SGF1 xxx GRP 2 SGR1 xxx SETTINGS GRP 1 SG...

Page 19: ...w mode 6 Press the C button once more and the display will be returned to the idle mode LJ 6HWWLQJ WKH 0 SDVVZRUG If a setting value beyond the allowed limits is confirmed in the setting mode the former value will be restored 3 2 3 4 How to acknowledge and reset indications output contacts and memorized values To clear the LEDs and the display press the C button The LEDs and the display will be cl...

Page 20: ...MONITORING STATE SETTINGS SETTINGS PROTECT STAGES GROUP 1 GROUP 2 NEW TRIP IND RECORDED DATA SETTINGS GRP 1 SGF1 xxx GRP 2 SGF1 xxx GRP 2 SGR1 xxx SETTINGS GRP 1 SGR1 xxx Note ABB is the default MEASUREMENTS MEMORY SETTINGS MEASUREMENTS SETTINGS SETTINGS START I0 xxx RECORDED DATA START I0 xxx SETTINGS SETTINGS RECORDED DATA 1 EVENT 2 EVENT SETTINGS SETTING GROUP X SETTINGS SETTINGS MEM SETTINGS x...

Page 21: ...main lit and the red indicator LED will be lit When a starting protection stage is blocked the yellow indicator LED will start to blink 3 3 1 1 Green indicator LED LJ UHHQ LQGLFDWRU Two different functions are embedded in the READY indicator LED power on and IRF internal relay fault Indicator off The auxiliary voltage is not connected Lit indicator The relay is in normal operation i e the CPU oper...

Page 22: ... input signal or when the protection stage is no longer starting If a protection stage is blocked when other protection stages are starting the indicator will continue blinking Blocking has a higher priority than starting 3 3 1 3 Red indicator LED LJ 5HG LQGLFDWRU TRIP indicator Indicator off No protection stage has tripped Lit indicator A protection stage has tripped The trip indication is latchi...

Page 23: ...he first trip indication message will be displayed until the time as specified by the NEW TRIP IND setting value has expired After this a new trip indication message can displace the old one 3 3 2 2 Disturbance recorder indication When the display is in the idle mode an asterisk indicating that the disturbance recorder has been triggered and is ready to be unloaded will be shown in the lower right...

Page 24: ...st PO1 5 No response on the output contact test PO2 6 No response on the output contact test SO1 7 No response on the output contact test SO2 20 21 Auxiliary voltage dip 30 Faulty program memory 50 59 Faulty work memory 51 52 53 54 56 Faulty parameter memory 1 55 Faulty parameter memory 103 104 Faulty configuration set for IEC_103 131 139 195 203 222 223 Internal reference voltage error 253 Error ...

Page 25: ...ution systems where the relay can be applied as the main or backup protection relay of an object It can also be used for protection of generators motors and transformers The whole function software used in the relay is preloaded into the program memory at the production stage The operation and the features of the REJ 521 are explained in detail in the Technical Reference Manual ...

Page 26: ...ving overhaul of electronics are to be taken by the manufacturer Please contact the manufacturer or the nearest representative for further information about checking overhaul and recalibration of the relay When contacting ABB for ordering service please give a description of the fault and state the possible fault code 1RWH Static protection relays are measuring instruments which should be handled ...

Page 27: ...A parameter V166 5 3 Secondary injection testing When the auxiliary voltage is connected to the protection relay it will perform a self testing program This however does not include the matching transformers and the output contacts The operational condition of the relay is tested by means of ordinary relay test equipment Such a test also includes the matching transformers output contacts and the a...

Page 28: ...GDU LQMHFWLRQ WHVW FLUFXLWU When the test circuit has been completed and the switchgroups have been set the auxiliary voltage may be connected to the relay The operation of the test circuit can be verified using a multimeter Danger Do not open the secondary circuit of a current transformer during any phase of the testing when the primary circuit is live The high voltage generated by an open CT sec...

Page 29: ...c Set the test current to 2 x the setting value of stage I0 Switch off S1 clear the indicators and unlatch the output contacts The clock is started by closing switch S1 and stopped by closing output contact PO1 Inverse time characteristic At inverse time characteristic the operate time is measured at two different test current values 2 x I0 and 10 x I0 The operate times obtained are compared with ...

Page 30: ...esting of the self supervision system IRF The IRF output contact and the operation of the READY indicator LED can be tested by selecting the function test in the HMI menu Indicator L1 will be lit when testing the self supervision system 5 4 Spare parts To achieve the best possible operation accuracy all parts of the relay have been calibrated together Thus each product forms a whole for which no s...

Page 31: ...1MRS 752179 MUM Earth Fault Relay Operator s Manual REJ 521 31 6 Ordering information Refer to the Technical Reference Manual ...

Page 32: ...32 1MRS 752179 MUM Earth Fault Relay Operator s Manual REJ 521 7 References Other available manuals Technical Reference Manual 1MRS750939 MUM Installation Manual 1MRS750526 MUM ...

Page 33: ... Display backlight 9 Display contrast 10 Display idle mode 9 Display test 9 F Fault code 24 Front panel 8 Function test 26 H HMI operation levels 14 I Indication messages 22 23 INFO 16 Internal relay fault 23 L Language 11 LED 21 22 LED test 27 M Main menu 12 Master reset 19 Measured values 14 Memorized values 19 Menu chart 20 P Parameters 16 Passwords 13 Push buttons 10 ...

Page 34: ...34 1MRS 752179 MUM Earth Fault Relay Operator s Manual REJ 521 R Recorded data 15 S Safety information 7 Secondary injection testing 27 Service 26 Setting groups 17 Settings 17 Submenu 12 ...

Page 35: ...ailure protection CPU Central processing unit IDMT Inverse definite minimum time characteristic IRF Internal relay fault LCD Liquid Crystal Display LED Light emitting diode HMI Human Machine Interface SGB Switchgroups for binary input SGF Switchgroups for functions SGR Switchgroups for output contacts ...

Page 36: ...edback Date To fax 358 10 224 1080 Category Comment Query Complaint In case of feedback related to a specific product please state the name of the product Product Description Initiator Issuer Company Country Telefax no e mail address If necessary additional pages may be enclosed ...

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Page 40: ...ABB Oy Substation Automation P O Box 699 FIN 65101 VAASA Finland Tel 358 10 22 11 Fax 358 10 224 1094 www abb com substationautomation 1MRS 752179 MUM EN 08 2002 ...

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