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1MRS 752137-MUM

Combined Overcurrent and Earth-Fault Relay

Operator’s Manual

REJ 525

7

2.

Safety information

Dangerous voltages can occur on the connectors, even though the
auxiliary voltage has been disconnected

National and local electrical safety regulations must always 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 proper operation will no longer be guaranteed

!

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Summary of Contents for REJ 525

Page 1: ...REJ 525 Combined Overcurrent and Earth Fault Relay Operator s Manual ...

Page 2: ......

Page 3: ...e the push buttons 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 leve...

Page 4: ...put test 27 5 2 3 LED test 27 5 3 Secondary injection testing 27 5 3 1 Testing of the overcurrent measuring transformers 29 5 3 2 Testing of the overcurrent stages 29 5 3 2 1 Low set stage I 30 5 3 2 2 High set stage I 30 5 3 3 Testing of the earth fault measuring transformer 30 5 3 4 Testing of the earth fault stages 31 5 3 4 1 Low set stage I0 31 5 3 4 2 High set stage I0 31 5 3 5 Testing of the...

Page 5: ...s and the software The HMI includes a Liquid Crystal Display LCD which makes the local use of the relay safe and easy Local control 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 Three phase low set o...

Page 6: ...manoeuvring buttons IEC 60870 5 103 and SPA bus communication protocols Two normally open power output contacts Two change over signal output contacts Output contact 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 ...

Page 7: ...ns must always 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...

Page 8: ...ready start trip 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 5 1 LCD 2 Optical PC connector 3 HMI push button section 4 Indicator LEDs Left Ready green Centre Start yellow Right Trip red REJ 525 Order No REJ525B 412 BAA Article No 1MRS091412 Serial No ER 000001 Uaux 110 240 Vac Uaux 48 220 Vd...

Page 9: ...n the display 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 tu...

Page 10: ...elect and edit 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 navigat...

Page 11: ... language and 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 dis...

Page 12: ...er the name 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...

Page 13: ... unauthorized 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 passwo...

Page 14: ...otection 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 button in the main menu group MEASUREMENTS to see the measu...

Page 15: ...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 see the maximum pickup value of the phases and the residual current use the button 5 To return the HMI to the idle mode press th...

Page 16: ...x 1 L2 In x xx 1 L3 In x xx 1 t xxx 1 t xxx 1 I0 In x xx 1 t0 xxx 1 DI xxx 1 tD xxx 1 xx xx xx 1 xx xx xx xxx 1 t0 xxx 1 L3 pu In x xx 1 L2 pu In x xx 1 L1 pu In x xx 1 I0 pu In x xx C Main Menu Group Menu Parameter Menus SETTINGS CONFIGURATION MEASUREMENTS RECORDED DATA NUMBER OF STARTS 5 EVENT 4 EVENT 3 EVENT RECORDED DATA 1 EVENT 2 EVENT RECORDED DATA RECORDED DATA RECORDED DATA START I xxx REC...

Page 17: ...few settings 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...

Page 18: ... s x xx DISABLED MIN xxx Main Menu Group Menu Parameter Menus SETTINGS CONFIGURATION MEASUREMENTS RECORDED DATA Cancel SETTINGS PROTECT STAGES GROUP 1 GROUP 2 NEW TRIP IND DEMAND VALUES MEMORY SETTINGS SETTINGS GRP 2 I x xx GRP 1 I x xx SETTINGS Edit Confirm SETTINGS SETTINGS SETTINGS SETTINGS SETTING GROUP X SETTINGS SETTINGS MEM SETTINGS xxx DEMAND VALUE xxx SETTINGS SETTINGS SETTINGS GRP 1 SGF1...

Page 19: ...ashing on the display 5 To exit the setting mode without saving changes press the C button once before confirming and the display will be returned to the view 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 ac...

Page 20: ...7 xxx SGR1 xxx SGR8 xxx CBFP s x xx DISABLED MIN xxx M_ch_525 I I I ABB C E NUMBER OF STARTS 5 EVENT 4 EVENT 3 EVENT MEASUREMENTS RECORDED DATA MONITORING STATE Note Parameters M80 and M83 must be set SETTINGS SETTINGS PROTECT STAGES GROUP 1 GROUP 2 NEW TRIP IND RECORDED DATA SETTINGS GRP 1 SGF1 xxx GRP 2 SGF1 xxx RECORDED DATA RECORDED DATA GRP 2 SGR1 xxx SETTINGS GRP 1 SGR1 xxx CONFIGURATION Not...

Page 21: ...r LED will remain 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...

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: ...stages trip the 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 th...

Page 24: ...ut contact test 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 err...

Page 25: ...ltage distribution 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 525 are explained in detail in the Technical Reference Manual ...

Page 26: ...es involving 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 ...

Page 27: ... E button The LEDs will remain lit for as long as the E button remains pressed 3 To quit the test mode press the C button The LED test can also be performed using SPA 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...

Page 28: ...justable voltage transformer 0 260 V 1 A current transformer ammeter accuracy 0 5 stop watch or counter for time measurement ac dc voltage source for the auxiliary supply switches and indicator lamps supply and pilot wires calibrated multimeter The secondary current is to be selected on the basis of the rated current 0 2 A 1 A or 5 A of the relay energizing input to be tested 1RWH For the limited ...

Page 29: ...y used SGR settings for later restoring Check that stage I is inhibited Set the relay switchgroups as follows The setting values can be those currently in use L1 PC 4 4 x 4 4 4 x 3 3 3 3 3 2 2 2 2 2 2 1 x 1 1 1 1 1 A 5 A 1 A 5 A 1 A 5 A Test525 PO1 PO2 IRF 3I 3I 1MKC950001 1 Io 5 6 3 4 13 14 15 1 2 17 18 1 2 3 4 5 6 7 8 9 10 11 12 5 6 10 11 12 7 8 9 SO1 SO2 X1 1 X2 1 L1 L2 L3 S2 S1 N A SGR1 SGR2 S...

Page 30: ...those obtained from the current time curves of the inverse time characteristic in question The test procedure is the same as at definite time characteristic 5 3 2 2 High set stage I Starting Close switch S1 and slowly increase the test current until the relay starts and indicator L2 is lit Read the start current value from the ammeter Operate time Set the test current to 2 x the the setting value ...

Page 31: ...time curves of the inverse time characteristic in question The test procedure is the same as at definite time characteristic 5 3 4 2 High set stage I0 Starting Close switch S1 and slowly increase the test current until the relay starts and indicator L2 is lit Read the start current value from the ammeter Operate time Set the test current to 2 x the the setting value of stage I0 Switch off S1 clear...

Page 32: ...32 1MRS 752137 MUM Combined Overcurrent and Earth Fault Relay Operator s Manual REJ 525 6 Ordering information Refer to the Technical Reference Manual ...

Page 33: ...1MRS 752137 MUM Combined Overcurrent and Earth Fault Relay Operator s Manual REJ 525 33 7 References Other available manuals Technical Reference Manual 1MRS750941 MUM Installation Manual 1MRS750526 MUM ...

Page 34: ...light 9 Display contrast 10 Display idle mode 9 Display test 9 Disturbance recorder indication 23 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 Pickup value 15 Push...

Page 35: ...752137 MUM Combined Overcurrent and Earth Fault Relay Operator s Manual REJ 525 35 R Recorded data 15 S Safety information 7 Secondary injection testing 27 Service 26 Setting groups 17 Settings 17 Submenu 12 ...

Page 36: ...cuit breaker failure 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 Switchgroup for binary input SGF Switchgroup for functions SGR Switchgroup for output contacts ...

Page 37: ... Customer feedback 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 752137 MUM EN 07 2002 ...

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